Arraylist Java Jobs Hiring Now Jobs in Usa

Job Title : Mobile Application Developer

Location : Torrance, CA (Hybrid)

Duration : 12 Months contract with a multiple years on an extension

Key Responsibilities:

• Technical Leadership: Guide and mentor, the mobile development team to ensure successful delivery of projects.

• Project Ownership: Collaborate with stakeholders to plan, design, develop, test, and maintain mobile applications.

• Architecture & Design: Build scalable and maintainable solutions for complex business challenges.

• Native Development: Lead development for Android (Kotlin/Java) and iOS (Swift/Objective-C) platforms.

• Integration & Security: Work with RESTful APIs, OAuth, JWT, and third-party SDKs.

• Automotive Integration: Implement and maintain CarPlay and Android Auto features.

• Quality Assurance: Ensure high standards through code reviews, debugging, and performance optimization.

• Documentation: Maintain clear and comprehensive technical documentation.

• Cross-Functional Collaboration: Work closely with product managers, designers, and backend engineers and other stakeholders.

Required Technical Skills:

• 4+ years of experience in mobile and smartwatch app development.

• Expertise in native Android (Kotlin/Java) and iOS (Swift/Objective-C)

• Strong understanding of authentication protocols (OAuth, JWT) and API integration.

• Experience with CarPlay and Android Auto.

• Proficient in debugging and performance optimization.

• Familiarity with MQTT and real-time communication.

• Experience integrating third-party SDKs.

Optional but Preferred Skill:

• Experience with hybrid frameworks (React Native, Flutter, AngularJS, NodeJS).

• Knowledge of CI/CD pipelines for mobile apps.

• Understanding of mobile security best practices.

• Experience in Agile/Scrum environments.

• Automotive domain and Digital Services experience.

Required Soft Skills:

• Leadership & Ownership: Proactive in driving initiatives and delivering results.

• Collaboration: Strong team player in cross-functional settings.

• Communication: Able to clearly convey technical concepts to diverse audiences.

• Problem-Solving: Analytical and solution-oriented mindset.

• Adaptability: Comfortable in fast-paced, dynamic environments.

• Mentorship: Supportive of junior developers and committed to team growth

Senior Software Engineer – Integration (Apache Camel & Spring Boot)

Warren, NJ(07059)

Hybrid - 2 days/week.

About the Role

We are seeking a highly skilled, hands-on Senior Software Engineer to join our Integration Engineering team. The ideal candidate is an expert in Apache Camel (latest stable version) and Spring Boot (latest stable version), with strong experience in Java 21+, Kafka, and Kubernetes/AKS. This role focuses on building high-performance, scalable integration solutions, including streaming large file contents, payload transformations, and enterprise messaging workflows.

This is a development-focused role where design input is welcome, but hands-on engineering excellence is essential.

• Key ResponsibilitiesDevelop robust and scalable integration solutions using Apache Camel with Spring Boot.
• Stream large file contents efficiently across inbound and outbound systems.
• Implement payload transformations within integration flows with emphasis on performance and throughput.
• Build Kafka-based messaging workflows using Camel for reliable, high-volume integrations.
• Navigate and leverage Camel components, libraries, and integration patterns effectively.
• Develop, containerize, and deploy applications using Docker and Kubernetes/AKS, including:
• CSI drivers
• Persistent storage (PV/PVC)
• Cloud-native deployment best practices
• Implement observability and monitoring using OpenTelemetry (OTEL) or Dynatrace, including:
• Auto-instrumentation
• Metrics collection
• Tracing and logging
• Conduct performance tuning for:
• Camel routes
• Payload handling
• Large file streaming pipelines
• Collaborate with cross-functional teams to deliver scalable, maintainable, and high-performance integration solutions.

• Required Skills & ExperienceStrong expertise in Java 21+.
• Strong expertise in Spring Boot (latest stable version).
• Mandatory expertise in Apache Camel (latest stable version), with deep knowledge of:
• Components
• Routing
• Enterprise integration patterns
• Performance optimization
• Mandatory hands-on experience with Kafka integration using Camel.
• Proven experience streaming large file contents efficiently (both inbound and outbound).
• Experience with payload transformations within Camel integration flows.
• Mandatory skills with Kubernetes/AKS, including:
• CSI drivers
• Persistent volumes
• Cloud-native deployment techniques
• Observability experience:
• OA/OTEL awareness
• Metrics and tracing
• Auto-instrumentation using OpenTelemetry or Dynatrace
• Proven background in performance tuning for:
• Camel routes
• Payload processing
• File streaming pipelines
• Strong problem-solving skills and ability to deliver complex integration solutions independently.

CFD Simulation Engineer

Overview

A global automotive company in Raymond, Ohio is seeking a highly skilled CFD Simulation Engineer with strong expertise in Conjugate Heat Transfer (CHT) analysis. This role focuses on developing and executing high-fidelity CFD simulations to support thermal management, design validation, and performance optimization of complex automotive engineering systems.

The ideal candidate will have hands-on experience with STAR-CCM+, along with working knowledge of ANSYS Fluent and OpenFOAM, strong pre-processing skills using ANSA, and experience developing automation and scripting tools to accelerate simulation workflows. This position requires a minimum of four days onsite per week.

Key Responsibilities

• Develop and execute CHT and thermal-fluid CFD simulations for full-system and component-level models
• Perform geometry cleanup, surface preparation, and mesh generation using ANSA and STAR-CCM+
• Build, calibrate, and validate CFD models using experimental data or benchmark references
• Execute simulations using STAR-CCM+, ANSYS Fluent, and OpenFOAM, ensuring accuracy and computational efficiency
• Conduct parametric studies, sensitivity analyses, and design optimization to support engineering decisions
• Develop and maintain automation and scripting tools (Python, Java, macros) to streamline model setup, execution, and post-processing
• Collaborate closely with design, test, and systems engineering teams to interpret results and provide actionable recommendations
• Document simulation methodologies, assumptions, and validation results clearly and concisely

Required Qualifications

• Bachelor’s or Master’s degree in Mechanical Engineering, Aerospace Engineering, or a related field
• 3+ years of hands-on experience in CFD simulations, with a focus on CHT and thermal-fluid coupling
• Proficiency in STAR-CCM+; working knowledge of ANSYS Fluent and OpenFOAM preferred
• Strong experience using ANSA for geometry preparation and mesh generation; working knowledge of CATIA preferred
• Solid understanding of heat transfer mechanisms, including conduction, convection, and radiation
• Experience modeling thermal systems, preferably in automotive or transportation applications
• Experience with Python, Bash, or Java for CFD process automation
• Familiarity with HPC environments, parallel computing, and GPU acceleration (e.g., NVIDIA A100/H100) is a plus

Preferred Skills

• Experience with parametric studies, DOE, and optimization frameworks
• Familiarity with CAD tools such as CATIA or SolidWorks for model import/export
• Experience with data visualization tools such as ParaView, Ensight, or Tecplot
• Strong analytical skills with the ability to communicate complex technical concepts clearly and effectively

Job Title: Sr Software Engineer/ Technical SW Project Manager – Medical Device

Job Location: Minneapolis, Minnesota (Fully onsite)

Type: W2 contract

Duration: 06 Months

Job Description:

The Pelvic Health R&D team is one of the most cutting edge groups, Defining and executing on technology and architectural strategy using skills that span a variety of domains including Mobile Apps (Android), cloud, data analytics, web services, 2d/3d visualization, machine learning, and interfacing with embedded software for management and control of interconnected medical devices.

As a Senior Software Engineer (Project Engineer – Mobile), you will lead execution for a defined mobile software release pipeline, working with motivated, diverse, and knowledgeable development teams. You will collaborate with Product Engineering, Development, and Test Leads to translate requirements into actionable plans, create structured backlogs, and drive high-quality delivery. This role requires a mix of technical expertise, project execution, and leadership to deliver reliable, impactful mobile software that improves the quality of life of people around the world.

Technical skills Must have:

2 years of experience writing Software , Java , Python , C

Agile Metrics

Agile Product Owner

agile sprint

Android

Mobile Software Development

Project Planning

Software Project Management

Technical Leadership

technical software project management

Nice To Have:

DevOps tools like GitHub

GitLab

Kotlin

Kotlin Multiplatform (KMM)

PTC Codebeamer

Must Have: Minimum Requirements

Bachelor’s degree in Software Engineering, Computer Science or equivalent with 8 to 10 years of managing delivery of advanced applications for mobile platform.

Hands-on experience in mobile software development

Android development experience (Kotlin or Java); familiarity with Kotlin Multiplatform (KMM) is a plus

Understanding of mobile testing strategies and quality practices

Experience working in Agile/Sprint-based development environments

Ability to work at both technical detail and release-level view

Experience creating and managing backlogs, tracking execution, and driving delivery

Strong communication skills and ability to collaborate effectively across teams

Strong attention to detail and an ability to deal with ambiguity

Nice to Have:

Good understanding of Continuous Integration environments (Jenkins, Bamboo, ElectricCloud)

Experience with iOS platforms.

Experience with configuration management tools and best practices (GIT, SVN, etc.).

Ability to think strategically and execute methodically.

Excellent written and oral communication skills.

Ability to multitask and prioritize while managing multiple projects and day to day responsibilities

Ability to influence cross-functional teams without formal authority.

A Day in the Life:

Own end-to-end delivery of an assigned mobile software release

Translate product features and requirements into structured, execution-ready backlogs and user stories

Lead backlog refinement, sprint planning, and overall release planning

Approve and accept completed work in the ALM system using technical and quality judgment

Apply technical judgment to evaluate approaches, challenge assumptions, and ensure architectural alignment and quality

Partner with Product Engineering, Development, and Test Leads to ensure scope clarity, accurate task breakdown, and alignment with product intent

Support prioritization discussions and maintain alignment with product strategy and system dependencies

Identify risks and dependencies and drive mitigation plans

Track delivery metrics and drive execution discipline across development and test teams

Collaborate with stakeholders and communicate status, risks, and dependencies to leadership

Ensure compliance with quality systems and software lifecycle processes

Support regulatory deliverables in collaboration with engineering and test leads

Promote engineering best practices and continuous improvement

We're looking for a DevOps Engineer to join our team and play a key role in supporting internally developed software solutions that power our business. The DevOps Engineer is responsible for building and maintaining a secure, scalable, and stable infrastructure that supports the development, testing, deployment, and operation of internal and externally accessed software solutions. In this role, you’ll collaborate closely with software, network, and support engineers to implement new solutions, enhance existing systems, and ensure operational readiness.

What You’ll Do

• Build and manage infrastructure for internal and external software solutions (AWS, Docker, Jenkins, Vault, etc.)
• Maintain a Shift-Left Security approach to automate build, test, deployment, and monitoring processes
• Collaborate with software, network, and support engineers on new solution deployments and enhancements
• Expand and standardize Infrastructure-as-Code practices
• Ensure stability, security, and operability of actively deployed and in-development services
• Perform root cause analysis and resolve technical issues alongside network, server, and software teams
• Monitor systems for required patches, updates, and upgrades; coordinate timely remediation
• Adhere to—and promote—documentation standards
• Support development teams with issues related to Java, Groovy, Grails, C#, and related technologies
• Create and maintain automation scripts for nightly jobs, data processing, and file transfers
• Maintain strict confidentiality

Core Skills

• Strong verbal and written communication
• Ability to build rapport with cross-functional team members
• Ability to prioritize and manage multiple tasks
• Efficient use of resources to accomplish goals
• Linux: Shell, APT, DPKG, Sysctl
• Monitoring: ELK, Grafana, Zabbix
• Security: Windows, SSH, Vault
• Web Applications: Apache, TLS, Kestrel, Tomcat
• Pipelines & Tooling: Jenkins, Nexus, Git, DotNet, Airflow
• Development: C#, PowerShell, Java

Qualifications

• Bachelors Degree in Information Technology (IT), Computer Science, Software Engineering, Cybersecurity, Networking, and Management Information Systems (MIS), or related field
• 2–4 years supporting enterprise environments with multiple programming languages and platforms
• 0–2 years providing guidance on DevOps tools, best practices, and technology approaches

Disclaimer

LeMans Corporation is an equal opportunity employer. Employment decisions are made without regard to race, color, religion, national or ethnic origin, sex, sexual orientation, gender identity or expression, age, disability, protected veteran status or other characteristics protected by law. LeMans Corporation will only employ those who are legally authorized to work in the United States. There are not any current or future visa sponsorships for this opening.

This company participates in E-Verify

Notice to California Employees and Prospective Employees

Are you passionate about building secure, scalable backend systems that power real customer experiences? Our Digital Platforms & Enterprise Systems team is looking for a Backend Software Engineer to help design and support the next generation of our commerce technology. The Software Engineer should be comfortable creating REST-style endpoints, communicating among services using JSON, and building secure, scalable applications.

What You’ll Do

• Build backend applications using Java, Kotlin, and Go using data access technologies
• Design & implement RESTful APIs for scalable, reliable services
• Write clear, performant SQL for a variety of data needs
• Collaborate within a multidisciplinary engineering team
• Stay current with the latest backend technologies
• Support testing of new and enhanced site features
• Deliver secure software on time and within scope

What You Bring

• 4–6 years of experience as a Software Engineer
• Bachelor’s degree
• Strong programming skills (Java/Kotlin/Go preferred)
• Ability to write clear, performant SQL for everyday CRUD operations and complex data retrieval
• Excellent analytical, organization, and communication skills
• Deep experience with API design & SQL

Disclaimer

Nothing in this job description restricts management’s right to assign or reassign duties and responsibilities to this job at any time.

LeMans Corporation is an equal opportunity employer. Employment decisions are made without regard to race, color, religion, national or ethnic origin, sex, sexual orientation, gender identity or expression, age, disability, protected veteran status or other characteristics protected by law. LeMans Corporation will only employ those who are legally authorized to work in the United States. There are not any current or future visa sponsorships for this opening.

This company participates in E-Verify

Notice to California Employees and Prospective Employees

"Candidates must be authorized to work in the United States without the need for current or future visa sponsorship."

The IT QA Manager is responsible for overseeing all aspects of application and system quality assurance. This role ensures that software, systems, and infrastructure meet organizational standards, regulatory requirements, and customer expectations.

The QA Manager will collaborate closely with Solution Delivery Leaders, Business Stakeholders, Project Managers, and Development Leads to ensure successful solution implementations.

This role will lead both functional and non-functional testing efforts aligned with implementation requirements.

Principal Duties and Responsibilities

Duties and Responsibilities

• Develop and enforce QA policies, procedures, and standards.
• Lead the design and execution of test plans, including functional, integration, regression, and user acceptance testing (UAT).
• Manage defect tracking, root cause analysis, and resolution processes.
• Oversee QA team performance, training, and professional development.
• Collaborate with development, DevOps, and business teams to align QA efforts with project goals.
• Conduct audits and generate quality reports and metrics.
• Stay current with emerging QA tools, technologies, and best practices.

Minimum Requirements/Qualifications

• Bachelor’s degree in computer science, Information Technology, or a related field.
• 8+ years of experience as a QA Manager, with expertise in quality management, schedule oversight, complex problem-solving, and performance optimization.
• 5+ years of experience developing executive-level documentation and QA performance metrics.
• Proven track record of building and managing high-performing QA teams, preferably within the retail domain.
• Extensive experience in test environment management, test data management, and test strategy development.
• Proficient in managing QA teams across Agile, Waterfall, and Hybrid project methodologies.
• Hands-on experience with a wide range of QA tools, systems, and software.
• Demonstrated success in managing distributed teams across onsite, offshore, and nearshore locations.
• Strong understanding of both manual and automated testing, including regression, integration, performance, and user acceptance testing (UAT).
• Deep experience in risk-based testing (RBT), performance testing, and test automation.
• Advocate for reusable components—both process and technical.
• Expertise in testing APIs, Web UI, SaaS, and desktop applications.
• Familiarity with JavaScript-based Web UI automation frameworks.
• Experience with scripting languages such as Java, JavaScript, or Python.
• Solid understanding of DevOps practices and implementing QA automation within CI/CD pipelines.
• Proven ability to deliver initiatives on time and within budget.

Desired Qualifications

• Familiarity with Section 508 compliance standards and accessibility testing.
• Professional certifications such as PMP, ITIL, Six Sigma, CCMP, or CISA.
• Experience with test automation tools including Rest Assured, Selenium, TestNG, JUnit, and Cucumber.
• Expertise in developing and maintaining Java-based automation frameworks and custom QA tools.
• Proficiency in performance testing tools such as JMeter, LoadRunner, or NeoLoad.
• Possession of external technical certifications, preferably cloud-based (e.g., Azure, or Google Cloud).

Family Dollar is an equal opportunity employer and committed to recruiting, hiring, training, and promoting qualified people of all backgrounds, and make all employment decisions without regard to any protected status. We are committed to complying with the Americans with Disabilities Act (ADA) and providing reasonable accommodations to qualified individuals with disabilities.

• Enhance KPOP test infrastructure and test coverage.
• Develop and improve operational dashboards.
• Feature development and bug fixing.
• Build and maintain CI/CD pipelines.
• Collaborate effectively with team members and stakeholders.

• Proficiency in at least one high-level programming language (Python, Rust, Java).
• Experience with AWS services and good scripting capabilities.
• Proficiency in applying Data Structures and Algorithms to solve complex problems.