Character List To String Java Jobs in Usa
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Java Developer
Must have Java + Spring Boot
DESCRIPTION:
Job Responsibilities:
● Develop applications using Java 8/JEE (and higher), Angular 2+, React.js, SQL, Spring, HTML5, CSS, JavaScript and TypeScript among other tools.
● Write scalable, secure, maintainable code that powers our clients’ platforms. ● Create, deploy and maintain automated system tests.
● Works with Testers to understand defects opened and resolves them in a timely manner ● Support continuous improvement by investigating alternatives and technologies and presenting these for architectural review
● Collaborates effectively with other team members to accomplish shared user story and sprint goals
Requirement:
● Experience in a programming language Java and JavaScript
● Decent understanding of the software development life cycle
● Basic programming skills using object-oriented programming (OOP) languages with in-depth knowledge of common APIs and data structures like Collections, Maps, lists, Sets etc.
● Knowledge of relational databases (e.g. SQL Server, Oracle) basic SQL query language skills
Preferred Qualifications:
● Master’s Degree in Computer Science (CS)
● 0-1 year of practical experience in Java coding
● Experience using Spring, Maven and Angular frameworks, HTML, CSS ● Knowledge with other contemporary Java technologies (e.g. Weblogic, RabbitMQ, Tomcat, etc.) · Knowledge of JSP, J2EE, and JDBC
Writes programs according to specifications provided.
Builds, deploys and maintains programs, Web Site pages and applications.
Develops and improves site navigation and applications.
Responsible for the design, development, and configuration of software systems to meet market and/or client requirements.
Updates, repairs, modifies, and expands existing computer programs.
Writes, tests, and maintains computer programs.
Develops code using Java, C#, HTML, Javascript, or other programming languages.
Responsible for design and development of Java code for a large-scale Federal IT Program.
Provides technical site maintenance and advice on moderately complex issues related to animation, search engine techniques, link integrity, navigation, browsers, graphics, and other technical web developments.
Prepares functional specifications from which programs will be written and then designs, codes, debugs, and documents programs.
Develops the requirements of a product from inception to conclusion.
Tests, debugs, and refines the software to produce the required product Designs user interfaces of interactive web applications including ADA 508, and cross browser compliance.
Maintains compliance with standards and conventions in developing programs.
Develops required specifications for simple to moderately complex programs or problems.
Conducts systems tests, monitors test results, and takes appropriate corrective action for the non-routine issues.
Creates coded unit tests and works with Testers/Information Assurance to address program and/or security findings.
Prepares required documentation, including block diagrams, logic flow charts and software program documentation.
Minimum Qualifications Bachelor’s Degree in Computer Science, Information Systems or a related field or equivalent relevant experience.
2+ years of experience with programming or web development activities.
Active Secret Clearance Ability to report to the client site in Annapolis Junction, MD (up to 3x a week) Other Job Specific Skills 2+ years of hands-on Java development experience.
Experience with J2EE or other Java frameworks (e.g.
Spring).
Experience using Java development tools (e.g.
Eclipse, JUnit, Git).
2 years of work experience with Web development technologies (HTML, JSP, etc.).
2+ years of Java development experience in order to build enterprise applications.
2+ years’ experience with using Java development tools (e.g.
Eclipse, JUnit, Git).
Ability to report to the client site in Annapolis, Junction, MD (up to 3x a week).
Experience in a large scale Federal IT Program.
Experience with SAFe Agile delivery framework.
#cjpost Bachelor’s Degree in Computer Science, Information Systems or a related field or equivalent relevant experience.
2+ years of experience with programming or web development activities.
2+ years of hands-on Java development experience.
2 years of work experience with Web development technologies (HTML, JSP, etc.).
2+ years of Java development experience in order to build enterprise applications.
2+ years’ experience with using Java development tools (e.g.
Eclipse, JUnit, Git).
Active Secret Clearance Ability to report to the client site in Annapolis Junction, MD (up to 3x a week)
Please have a look at the JD below for the position of SeniorJava Developer for one of our clients, if you have a relevant profile please share it with me.
Job Title: Senior Java Developer Job Location: Charlotte, NC
- Hybrid Interview is F2F.
Must Have: Finance / Payments Domain Microservices.
Kafka MongoDB Spring Boot Job Description: We are seeking a highly experienced Senior Java Developer with strong expertise in Spring Boot, Microservices, Kafka, and MongoDB, ideally with a background in Payments or Financial Services.
The ideal candidate will be responsible for designing and developing scalable, secure, and high-performance applications that support mission-critical payment processing systems.
You will collaborate with cross-functional teams including Architecture, QA, DevOps, Business Analysts, and Product Owners to deliver enterprise-grade solutions that comply with financial industry standards.
Key Responsibilities Design, develop, and maintain Java-based microservices using Spring Boot with a strong focus on modularity, scalability, and performance.
Build event-driven distributed systems using Kafka, including topics, partitions, consumer groups, and streaming pipelines.
Work with MongoDB to design schemas, implement queries, optimize performance, and ensure data integrity.
Develop secure and fault-tolerant components for payment processing, including transaction workflows, settlements, reconciliation, and real-time validations.
Integrate microservices with internal and external payment gateways, APIs, and third-party financial systems.
Participate in architecture discussions, code reviews, and contribute to best practices, standards, and design patterns.
Troubleshoot production issues and provide Level-3 support for high-availability systems.
Ensure compliance with financial regulations, security standards, and audit requirements.
Required Skills and Experience 10 years of hands-on experience in Core Java, OOPs, multithreading, collections, and concurrency.
Strong experience with Spring Boot, Spring Cloud, Spring Security, and REST API development.
Deep understanding of Microservices Architecture, service discovery, load balancing, API gateways, and resilience patterns (Circuit Breaker, Retry, Bulkhead).
Hands-on experience with Kafka (producers, consumers, schema registry, Kafka Streams).
Strong experience with MongoDB (schema design, indexes, aggregation framework, performance tuning).
Experience in developing applications within payments, banking, or financial services domain.
Familiarity with secure coding practices, PCI-DSS guidelines, OAuth 2.0/JWT, encryption, and tokenization.
Knowledge of CI/CD pipelines, Git, Jenkins, Docker, Kubernetes (good to have).
Experience working in Agile environments with cross-functional teams.
Nice to Have Experience with cloud platforms (AWS, GCP, or Azure).
Exposure to Redis, ELK, OpenShift, GraphQL, or gRPC.
Experience with high-throughput, low-latency system design.
Microservices, MongoDB, Java
Get Hired by taking action.
If you just graduated (or you're about to) and the job search is already feeling confusing, you're not imagining it.
A degree proves you can learn—but employers hire for job readiness: projects that look like real work, current tech stacks, interview confidence, and the ability to contribute on day one.
That's why many new grads send hundreds of applications and still hear nothing back.
It's not because you're "not smart enough.” It's because most entry-level pipelines are crowded, and hiring teams filter heavily for candidates who look production-ready.
We are actively considering candidates for entry-level software engineering and data roles, especially Java full stack, Java/Python development, DevOps automation, data analytics, data engineering, data science, and ML/AI—full-time opportunities aligned to client needs.
Our core emphasis remains Java/Full Stack/DevOps and Data/Analytics/Engineering/ML.
SynergisticIT focuses on two high-demand lanes: Java / Full Stack / DevOps and Data (Data Analyst, Data Engineer, Data Scientist) + ML/AI—so you don't graduate with scattered skills, you graduate with an employable stack.
SynergisticIT since 2010, has helped candidates land full-time roles at major organizations (examples often cited include Google, Apple, PayPal, Visa, Western Union, Wells Fargo, Client, Banking, Wayfair, Client, Client, and more) with offers commonly in the $95k–$154k range depending on role and skill depth.
For a new grad, the bigger message isn't the number—it's that results require a structured pathway, not random applications.
Here's a realistic way to think about your advantage as a fresh graduate: you're early enough to build the right foundation before bad habits set in.
If you master fundamentals—coding, debugging, data structures, system thinking—and then layer modern tools on top (frameworks, cloud, CI/CD, analytics stacks), you become the kind of "entry-level” candidate who actually feels like a safe hire.
What roles are companies hiring for right now? A typical market demand pattern is clear: organizations still need entry-level software programmers, Java full stack developers, Python/Java developers, DevOps-focused engineers, and on the data side data analysts, BI analysts, data engineers, data scientists, and machine learning engineers.
The strongest candidates aren't "tool collectors”—they're people who can show end-to-end capability: build an API, connect a database, deploy a service, analyze data, explain results, and handle interviews calmly.
Why fresh grads get stuck— Fresh grads often struggle for four predictable reasons: Resume doesn't match job keywords (ATS filters you out).
Projects look like school assignments (not production-aligned).
Interview skills are undertrained (DSA, system design, SQL, behavioral).
No structured pipeline (random applying without feedback loops).
A job-placement-first approach addresses these systematically: build the right portfolio, practice the right interview questions, align your tech stack to roles, and keep improving until the market says "yes.” Who this path fits best If you're a recent graduate, you'll likely fit if you match any of these: New grads in CS, Engineering, Math, or Statistics with limited job experience Students finishing Bachelor's or Master's programs who need a real hiring plan Candidates who apply consistently but don't get callbacks Candidates who reach interviews but struggle to close International students on F-1/OPT who need a job plan for STEM extension/H-1B timing Graduates with strong academics but thin practical experience SynergisticIT helps STEM extension and work authorization pathways, and for candidates who need long-term stability, support related to H-1B and green card processes as part of employer-side realities.
If you're tired of guessing, stop treating your job search like a lottery.
Treat it like a project with milestones: skills → portfolio → interview readiness → targeted applications → scheduled interviews → offer.
If you want to explore the program directly, here are the key links: Event videos (OCW, JavaOne, Gartner): USA Today feature Contact & get a roadmap: Please read our blogs Why do Tech Companies not Hire recent Computer Science Graduates | SynergisticIT What Recruiters Look for in Junior Developers | SynergisticIT Software engineering or Data Science as a career? How OPT Students Can Land Tech Jobs – SynergisticIT Bottom line for fresh grads: Your degree is the starting line, not the finish line.
If you want to get hired faster, you don't need "more random courses.” You need a guided, job-focused path and the right people around you.
In tech, it's not just what you learn—it's how you learn and who you build with that decides how far you go.
Please note: Resume databases are shared with clients and interested clients will reach out directly if they find a qualified candidate for their req.
Java Developer (Spring WebFlux, MongoDB, Kafka, Websockets, Gradle)
Onsite in Austin, TX from Day 1 (Client prefers only local candidates)
Hybrid Schedule: 3 Onsite Days (Tue, Wed, Thur) & 2 Remote Days (Mon, Fri)
Long term contract
Direct client opportunity
No Mid layer / No Implementation partners are Involved
Most Important
Need at least 8-12 years backend Java, Java developer folks, this role is focused on Java Backend.
No needed full stack.
Client is looking for a Java backend developer in the contact center voice platform space, specifically on Voice domain services. Stack will be Java with spring web flux. Client will be building flows like Outbound call, Voicemail, Inbound voice call services, Speech to text, Agentic integration, SIP to stream conversions.
Skills:
Spring web flux
Kafka topics
REST API's
Websockets and streaming
Gradle builds
MongoDB
Aluminum Framework is a plus
Candidate will Interact with Freeswitch framework teams, So freeswitch knowledge is a plus.
Pay Range: $65/hr - $70/hr
The specific compensation for this position will be determined by a number of factors, including the scope, complexity and location of the role as well as the cost of labor in the market; the skills, education, training, credentials and experience of the candidate; and other conditions of employment. Our full-time consultants have access to benefits including medical, dental, and vision as well as 401K contributions.
Working at Citi is far more than just a job. A career with us means joining a team of more than 230,000 dedicated people from around the globe. At Citi, you'll have the opportunity to grow your career, give back to your community and make a real impact.
Job OverviewThe Senior Java Developer is a senior level position responsible for establishing and implementing new or revised application systems and programs in coordination with the Technology team. The overall objective of this role is to lead applications systems analysis and programming activities.
Responsibilities:
- Partner with multiple management teams to ensure appropriate integration of functions to meet goals as well as identify and define necessary system enhancements to deploy new products and process improvements
- Resolve variety of high impact problems/projects through in-depth evaluation of complex business processes, system processes, and industry standards
- Provide expertise in area and advanced knowledge of applications programming and ensure application design adheres to the overall architecture blueprint
- Utilize advanced knowledge of system flow and develop standards for coding, testing, debugging, and implementation
- Develop comprehensive knowledge of how areas of business, such as architecture and infrastructure, integrate to accomplish business goals
- Provide in-depth analysis with interpretive thinking to define issues and develop innovative solutions
- Serve as advisor or coach to mid-level developers and analysts, allocating work as necessary
- Appropriately assess risk when business decisions are made, demonstrating particular consideration for the firm's reputation and safeguarding Citigroup, its clients and assets, by driving compliance with applicable laws, rules and regulations, adhering to Policy, applying sound ethical judgment regarding personal behavior, conduct and business practices, and escalating, managing and reporting control issues with transparency.
Qualifications:
- 10 -13 years of relevant experience in Apps Development or systems analysis role
- Extensive experience system analysis and in programming of software applications
- Experience in managing and implementing successful projects
- Subject Matter Expert (SME) in at least one area of Applications Development
- Ability to adjust priorities quickly as circumstances dictate
- Demonstrated leadership and project management skills
- Consistently demonstrates clear and concise written and verbal communication
Backend Development (Required):
- Strong hands-on core Java, functional programming, and Spring Boot microservices development experience.
- Understanding of concurrent and parallel programming, including threads, processes, synchronization, and handling race conditions.
- Knowledge of reactive programming for building asynchronous, event/message-driven systems in microservices based applications that are highly concurrent.
- Proficient in containerizing applications, continuous integration, and continuous delivery in Java ecosystem.
- Knowledge of distributed tracing and API Gateway integration for microservices architecture.
- Proficient in functional programming concepts with Streams API, Lambda Expressions and Optional.
- Understanding of secure coding practices, SSL/TLS, OAuth, and JWT token handling in Java-based applications.
- Expertise in integrating Java with NoSQL databases such as MongoDB for scalable, high availability applications.
- Strong experience in data modeling and experience with relational and no-SQL database, Oracle and MongoDB.
- Understanding of integrating APIs with third party libraries/vendors and handle the security around it.
- Understanding of the principles of distributed systems, including data partitioning, replication, and consistency models.
- Strong grasp of data structures and algorithms, especially those relevant to distributed systems like distributed hash tables and load balancing techniques.
- Understanding of microservices architecture, including service discovery, API gateways, and inter-service communication.
Other areas (Required):
- Exceptional Problem-Solving and Analytical Skills to diagnose and resolve issues in distributed environments.
- Above average skills in monitoring, logging, and debugging distributed systems to ensure reliability and performance.
- Expertise in fundamental concepts such as consistency, availability, partition tolerance, fault tolerance, and scalability.
- Familiarity with container orchestration (e.g., Kubernetes), and distributed messaging systems (e.g., Kafka).
- Experience using Git/BitBucket.
- Good communication skills, both written and verbal.
Other areas (Good to have):
- Unix shell scripting.
- Knowledge of ElasticSearch, and GraphQL.
- Experience with building apps which are highly performant and scalable will be great.
- Knowledge of Generating Artificial Intelligence (AI), Machine Learning (ML), and Large Language Models (LLMs).
Education:
- Bachelor's degree/University degree or equivalent experience
- Master's degree preferred
Working at Citi is far more than just a job. A career with us means joining a team of more than 230,000 dedicated people from around the globe. At Citi, you'll have the opportunity to grow your career, give back to your community and make a real impact.
Job OverviewThe Senior Java Developer, FX eCommerce is a senior level position responsible for architecting, building and maintaining backend systems that serve a large number of institutional clients. The role involves liaising with product teams and development teams to build state of the art Trading systems.
The overall objective of this role is to lead applications systems analysis and programming activities. Citi's FXLM technology group supports the front office technology operations of one of the world's largest capital market businesses. Our talented technology group is looking for a senior level hands-on, java developer to work on the backend development team on our award-winning Citi FX Velocity platform.
Citi Velocity serves Institutional clients and delivers electronic access to Citi's capital markets services across equities, futures, FX, emerging markets, rates, credit, commodities, securitized, municipals, prime and research Citi Velocity is a best in-class, state of the art, proprietary ecommerce platform. It deploys cutting edge technology and innovation to offer a slick, dynamic and rich end user experience. By leveraging Citi's global footprint with world-class innovation, we are giving our clients unprecedented access to our capital markets intelligence, multi-asset real-time execution and post-trade service.
Responsibilities:- Partner with multiple management teams to ensure appropriate integration of functions to meet goals as well as identify and define necessary system enhancements to deploy new products and process improvements
- Resolve variety of high impact problems/projects through in-depth evaluation of complex business processes, system processes, and industry standards
- Provide expertise in area and advanced knowledge of applications programming and ensure application design adheres to the overall architecture blueprint
- Utilize advanced knowledge of system flow and develop standards for coding, testing, debugging, and implementation
- Develop comprehensive knowledge of how areas of business, such as architecture and infrastructure, integrate to accomplish business goals
- Provide in-depth analysis with interpretive thinking to define issues and develop innovative solutions
- Serve as advisor or coach to mid-level developers and analysts, allocating work as necessary
- Appropriately assess risk when business decisions are made, demonstrating particular consideration for the firm's reputation and safeguarding Citigroup, its clients and assets, by driving compliance with applicable laws, rules and regulations, adhering to Policy, applying sound ethical judgment regarding personal behavior, conduct and business practices, and escalating, managing and reporting control issues with transparency.
- 6-10 years of hands-on experience in Apps Development with a Java background
- Extensive experience in system analysis and in programming of software applications
- Understanding of multithreaded Java, networks and how JVM works
- Experience in managing and implementing projects
- Experience developing large scale resilient systems
- Experience working in low latency solutions
- Ability to adjust priorities quickly as circumstances dictate
- Leadership and project management skills
- Clear and concise written and verbal communication
- Core Java, Spring Boot, Solace
- Bachelor's degree/University degree
- Master's degree preferred
At Genpact, we don’t just keep up with technology—we set the pace. AI and digital innovation are redefining industries, and we’re leading the charge. Genpact’s AI Gigafactory, our industry-first accelerator, is an example of how we’re scaling advanced technology solutions to help global enterprises work smarter, grow faster, and transform at scale. From large-scale models to agentic AI, our breakthrough solutions tackle companies’ most complex challenges.
If you thrive in a fast-moving, innovation-driven environment, love building and deploying cutting-edge AI solutions, and want to push the boundaries of what’s possible, this is your moment.
Genpact (NYSE: G) is an advanced technology services and solutions company that delivers lasting value for leading enterprises globally. Through our deep business knowledge, operational excellence, and cutting-edge solutions – we help companies across industries get ahead and stay ahead. Powered by curiosity, courage, and innovation, our teams implement data, technology, and AI to create tomorrow, today. Get to know us at   and on LinkedIn, X, YouTube, and Facebook.
Inviting applications for the role of Lead Consultant - Java/J2EE
Skills – Headstrong Services LLC seeks Lead Consultant - Java/J2EE (multiple positions) in New York NY to be responsible for the design, development, and modification of object oriented enterprise applications developed using primarily Java/J2EE tools on Windows, Linux, and UNIX platforms. Analyze end-user needs to develop application solutions for a range of business operations within the Banking/Financial Services and Healthcare domains. Employ expertise in Java frameworks (Struts, Spring, Hibernate); interfaces and MVC patterns to develop and optimize applications. Will employ Scrum Methodology throughout the system development lifecycle. Execute development tasks within a distributed resources environment (onshore/offshore). Communicate and collaborate effectively with clients and team members to ensure that any gaps between client's business requirements and project's technical requirements are resolved.
Education – Position requires a Master’s degree in an Engineering (all), Computer Science, Sciences, Mathematics, or related field and 2 years of experience in the job offered, a related software engineering, computer programmer, or systems analyst position, or related occupation. Alternatively, a Bachelor’s degree in Engineering (all), Computer Science, Sciences, Mathematics, or related field and 5 years of progressively responsible post-Bachelor's experience in the job offered, a related software engineering, computer programmer, or systems analyst position, or related occupation is also acceptable. Foreign equivalent degrees are acceptable.
Position headquartered in New York, NY with placement at project sites nationally within the United States with no additional travel required.
$150,550 to $158,077 per year.
Please send resume and cover letter to:
Indicate job code “HSLCJJNY0226†when applying.
Why join Genpact?
Lead AI-first transformation – Build and scale AI solutions that redefine industries Make an impact – Drive change for global enterprises and solve business challenges that matter Accelerate your career—Gain hands-on experience, world-class training, mentorship, and AI certifications to advance your skills Grow with the best – Learn from top engineers, data scientists, and AI experts in a dynamic, fast-moving workplace Committed to ethical AI – Work in an environment where governance, transparency, and security are at the core of everything we build Thrive in a values-driven culture – Our courage, curiosity, and incisiveness - built on a foundation of integrity and inclusion - allow your ideas to fuel progress
Come join the 140,000+ coders, tech shapers, and growth makers at Genpact and take your career in the only direction that matters: Up.
Let’s build tomorrow together.
The approximate annual base compensation range for this position is $150,550 to $158,077. The actual offer, reflecting the total compensation package plus benefits, will be determined by a number of factors which include but are not limited to the applicant’s experience, knowledge, skills, and abilities; geographic location; and internal equity
“Los Angeles, California based candidates are not eligible for this role.
Genpact is an Equal Opportunity Employer and considers applicants for all positions without regard to race, color, religion or belief, sex, age, national origin, citizenship status, marital status, military/veteran status, genetic information, sexual orientation, gender identity, physical or mental disability or any other characteristic protected by applicable laws. Genpact is committed to creating a dynamic work environment that values respect and integrity, customer focus, and innovation.
Furthermore, please do note that Genpact does not charge fees to process job applications and applicants are not required to pay to participate in our hiring process in any other way. Examples of such scams include purchasing a 'starter kit,' paying to apply, or purchasing equipment or training. JobiqoTJN. Keywords: Java Consultant, Location: New York, NY - 10060
You've done a ton of Leetcode.
You've racked up certificates, aced LeetCode challenges, and you know your way around system design like the back of your hand.
On paper, you're everything a tech company wants.
However tech stacks and requirement change every day.
Since 2010, we've helped thousands of candidates land full-time jobs at tech leaders like Google, Apple, PayPal, Visa, Western Union, Wells Fargo, Client, Paypal, Banking, Wayfair, Client, Client and hundreds more with Job offers of $95k to $154k.
Synergisticit focuses on closing the gap between your tech skills and what employers want now.
Open Roles We're Hiring For our clients: Entry-Level Software Programmers (Java/Python) Java Full Stack Developers Data Analysts & BI Engineers Data Scientists & ML Engineers All visa types and U.S.
citizens are encouraged to apply.
Note: Internships, freelance, or personal projects will not be considered toward experience requirements.
If you submit your resume, please be advised it may be entered into a central database shared by our JOPP team (our placement program).
You may unsubscribe if you receive emails.
Check the links below: Please check the below links: SynergisticIT USA Today Article Videos of Synergisticit At OCW, JAVAONE, GARTNER SUMMIT We Focus on Java /Full stack/Devops and Data Science /Data Engineers/Data analysts/BI Analysts/ Machine learning/AI candidates Ideal Candidates: Recent grads in CS, Engineering, Math, or Statistics with limited or no job experience Jobseekers who had layoffs due to Downsizing and want to get in demand tech stack Professionals seeking a career switch to tech Candidates with career gaps or lacking real-world experience Individuals looking to boost their skill portfolio for better job prospects Computer Science grads with limited or no job experience Students who recently finished their Bachelor's or Master's programs Those struggling to land interviews despite having experience Candidates on F1/OPT needing a job for STEM extension or H-1B filing Currently, We are looking for entry-level software programmers, Java Full stack developers, Python/Java developers, Data analysts/Data Engineers/ Data Scientists, Machine Learning engineers for full time positions with clients.
Top tech companies are flooded with smart grads.
What gets you in the door now is real-world application, confidence in delivery, and the soft skills to own a room—or a Zoom.
please check the below links Why do Tech Companies not Hire recent Computer Science Graduates | SynergisticIT Technical Skills or Experience? | Which one is important to get a Job? | SynergisticIT Backend vs.
Full Stack Development: Job Prospects | SynergisticIT What Recruiters Look for in Junior Developers | SynergisticIT Software engineering or Data Science as a career? How OPT Students Can Land Tech Jobs – SynergisticIT Is AI Going to Replace Software Programmers? | SynergisticIT The Market's Changed—Have You? Please note: Resume databases are shared with clients and interested clients will reach out directly if they find a qualified candidate for their req.
Resume submissions may be shared with our JOPP team database also.
Please unsubscribe if contacted or if you don't want to be contacted please don't submit your resume.
Optomi, in partnership with a leading logistics company is seeking a Senior Full Stack Java Developer (Java / Kafka / Spring Boot / AWS) to support and modernize critical systems within the Mechanical organization. This team maintains locomotives, railcars, and detector systems that capture millions of operational and safety data points across the network.
About the Position: The role focuses on refactoring legacy microservices, scaling event-driven architectures, re-platforming rules engines, and building cloud-native, resilient, high-volume IoT data pipelines. This is a high-impact engineering role where your work directly influences safety, reliability, and operational efficiency across one of the largest transport networks in the US.
Apply Today if your Background Includes:
- 6+ years of Full Stack experience with a backend emphasis in Java Spring Boot development.
- Strong event-driven architecture + Kafka experience
- Proven experience modernizing legacy microservices & distributed systems
- AWS Cloud experience
- Hands-on Python experience for backend/data workflows
- DevSecOps mindset: automated testing, CI/CD, secure coding
- Experience supporting both greenfield and legacy systems
- Strong relational DB experience (Postgres preferred)
- Experience handling IoT or high-volume sensor data pipelines
- Familiarity with open-source tooling and cloud-agnostic architectures
- Ability to mentor junior engineers and provide technical leadership
What the Right Professional Will Enjoy!
- Fully remote work opportunity with up to 20% travel.
- Opportunity to work with a fast-growing team focused on modernization, cloud adoption, and automation.
- Direct impact on safety, rail operations, and national freight logistics.
- Work on high-volume IoT, event-driven architectures, cloud-native systems.
- Exposure to AI/GenAI, automation, and open-source tooling
- Leadership opportunities with junior developers
Responsibilities:
- Modernize legacy microservices and distributed systems supporting mechanical operations and detector networks.
- Design and implement backend services using Java, Spring Boot, event-driven patterns, and Kafka.
- Scale and optimize high-volume IoT data pipelines (30M+ incoming data points from sensors/detectors).
- Lead architecture, design, and deployment efforts for new and existing services.
- Refactor and support large rules-engine frameworks (600+ rulesets).
- Contribute to cloud-native development (AWS preferred; Azure acceptable; cloud agnostic mindset encouraged).
- Use Python for backend workflows, automation, and data processing tasks.
- Build automated CI/CD and testing frameworks following DevSecOps best practices.
- Work with Postgres and relational databases to tune, model, and integrate data.
- Mentor junior developers and support a strong engineering culture focused on speed, clarity, and automation.
- Collaborate across teams to build scalable, modern systems.
- Support both new development and the existing application footprint.
Remote working/work at home options are available for this role.