Sequential Recommender Systems Jobs Remote Jobs in Usa

The opportunity

Unity's Vector AI team sits at the intersection of large-scale machine learning and real-world impact: our models govern ad ranking and bidding decisions across billions of daily impressions. Get the models right so players can discover games they love.

We're looking for an Applied Scientist with experience on user understanding, sequence modeling, and/or conversion prediction.

What you'll be doing

• Design and ship user behavior models that directly influence ad ranking, bidding, and conversion outcomes across billions of impressions.
• Own model quality from deployment onward: calibration, drift detection, and feedback loop management.
• Shape how the team builds, contributing to long-term technical strategy and overseeing engineering execution.
• Bridge the gap between ML complexity and business reality, communicating clearly with non-technical partners.

What we're looking for

• Ph.D. in Computer Science, Machine Learning, Statistics, related fields, or equivalent practical experience.
• 2+ years of hands-on experience designing, building, and operating ML systems at scale in ads, search, recommendations, or related domains.
• Deep familiarity with at least one of: CVR/CTR prediction, auction theory, user modeling, or sequential recommendation.
• Production experience in Python and at least one systems language (Go, Scala, C++, or similar).
• Significant experience in one or more general-purpose programming languages like Python, Go, Scala, C++ or similar.
• Knowledge of metric design, experimentation methodologies, and large-scale data.

You might also have

• Experience with real-time bidding systems, auction dynamics, or marketplace optimization.
• Publications or patents in relevant areas.

Additional information

Relocation support is not available for this position

Benefits

At Unity, we want our team members to thrive. We offer a wide range of benefits designed to support well-being and work-life balance.

Please note: Benefits eligibility, specific offerings, and coverage vary based on the country and employment status.

While specific benefits vary, here are some of the ways we strive to take care of our eligible team members globally: Comprehensive health, life, and disability insurance | Commute subsidy | Employee stock ownership | Competitive retirement/pension plans | Generous vacation and personal days | Support for new parents through leave and family-care programs | Office food snacks | Mental Health and Wellbeing programs and support | Employee Resource Groups | Global Employee Assistance Program | Training and development programs | Volunteering and donation matching program

Life at Unity

Unity [NYSE: U] is the world’s leading game engine, powering play for more than 3 billion consumers each month. The top mobile games in the world, the most played PC indie titles, the most innovative console games, and virtually all of the top XR and Web Games are developed, deployed, and grown in Unity. Unity also enables teams across industries like automotive, manufacturing, and healthcare to design, simulate, and collaborate in 3D — closing the gap between ideas and reality. For more information, please visit is a proud equal opportunity employer. We are committed to fostering an inclusive, innovative environment and celebrate our employees across age, race, color, ancestry, national origin, religion, disability, sex, gender identity or expression, sexual orientation, or any other protected status in accordance with applicable law. Our differences are strengths that enable us to support the growing and evolving needs of our customers, partners, and collaborators. If you have a disability that means there are preparations or accommodations we can make to help ensure you have a comfortable and positive interview experience, please fill out this form to let us know.

This position requires the incumbent to have a sufficient knowledge of English to have professional verbal and written exchanges in this language since the performance of the duties related to this position requires frequent and regular communication with colleagues and partners located worldwide and whose common language is English.

Headhunters and recruitment agencies may not submit resumes/CVs through this website or directly to managers. Unity does not accept unsolicited headhunter and agency resumes. Unity will not pay fees to any third-party agency or company that does not have a signed agreement with Unity.

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Principal Duties/Responsibilities:

* Oversees the integrity of inventory and restocking of items in inventory. Manages onsite inventory, which may include spare parts.

* Processes repairs for stock; puts away stock; timestamps repair parts; pulls parts; delivers component parts to technicians for repairs.

* Controls inventory and material from vendors keeping within established department budget; proposes changes to stock levels and reorder levels for effective inventory management; analyzes inventory records.

* Processes and fulfills requisitions; monitors stock levels and parts; enters order and stocking data in tracking program; receives purchase orders and stocks items; checks on status of orders expedites late material orders.

* Maintains cross-reference system for optimal usage; tracks and updates nonconforming parts.

* Works closely with department managers/supervisors to assure areas stay within budget.

* Assist with inventory problem resolution; oversees the integrity of inventory and resolves discrepancies; participates in semi-annual physical inventory; works with Accounting and auditors to assure accuracy. Controls inventory and material from vendors keeping within established department budget.

* Participates in available training devoted to purchasing professionalism and to acquire supervisory and management skills.

* Controls all purchases in order to maintain the lowest possible inventory levels.

* Sources and evaluates vendors who can supply plant level services

* May spend extensive time supporting purchasing team in researching difficult to find and expensive parts or materials.

* Recommends the reduction and/or transfer of slow-moving and obsolete inventory.

* Oversees the follow-up of past due orders and performs activities to reduce POE and invoice grief.

* Establishes and maintains an aggressive cost reduction program, reporting results to department management.

* Assists Customer Service agents and Operations personnel with system parts transactions.

* Places claim with OEM's to replace defective parts under warranty.

* Confers with department managers and/or supervisors to determine status of scheduled tasks.

* Prepares performance data in 4up charting.

* Ensures ISO conformance.

* Creates and administers a sequential work schedule via a computerized scheduling system including: drawing up a master schedule, plan and schedule workflow, plan sequence of operations, expedites operations that delay schedules and alters schedules to meet unforeseen conditions.

* Takes a leadershp role in Service/Quality Initiative; continually improves processes; quantitatively monitors processes. Completes required quality core classes and uses skills and techniques presented. Uses the Core Values in work environment. Adheres to company/customer safety procedures.

* May maintain standards and processes manuals, manage inventory process including budget accuracy and turns. Prepare a list and place requisitions for required materials, tools and equipment.

Knowledge, Skills, Abilities (KSAs), & Competencies:

Essential KSAs:

* Bachelors degree from four-year college or university and three or more years of related experience and/or training; or seven years equivalent combination of education and experience.

* Ability to read and comprehend simple instructions, short correspondence, and memos; write simple correspondence; effectively present information in one-on-one and small group situations to customers, clients, and other employees of the organization; add, subtract, multiply, and divide in all units of measure, using whole numbers, common fractions, and decimals; compute rate, ratio, and percent and to draw and interpret bar graphs; apply common sense understanding to carry out instructions furnished in written, oral, or diagram form; deal with problems involving several concrete variables in standardized situations.

Desirable KSAs:

* Must be a team player, organized, self-motivated and able to prioritize.

* Must have outstanding people and communication skills to interact with other team members, customers, and management.

Competencies:

* Personal Discipline

* Communications

* Customer Focus

Physical Demands and Working Conditions:

While performing the duties of this job, the employee is regularly required to stand; walk; use hands/fingers to handle, or feel; reach with hands and arms; climb, ascend/descend or balance to heights that may require a ladder or lift; stoop, kneel, crouch, or crawl in confined spaces; and talk or hear. The employee is occasionally required to sit. The employee must occasionally lift and/or move more than 50 pounds. The employee is regularly required to use close vision and color vision. The employee is occasionally exposed to outside weather conditions and risk of electrical shock. Work is typically performed in a factory environment and is usually very loud. In the factory environment, the employee may be exposed to hazardous materials and/or greasy or slippery factory floors.

Hybrid - 4 days in office

About Our Client

Our client is a global, operations-driven organization operating in a complex manufacturing and supply network environment. They are investing in strengthening supply planning, inventory strategy, and SIOP capabilities to better balance service, cost, and risk across regions. This role sits at the center of those efforts and will have meaningful visibility and influence across the business.

The Opportunity

This is a highly impactful supply planning leadership role for someone who enjoys both running the planning engine and fixing what’s not working. The Supply Chain Manager will own finished goods (FG) and FF&P supply planning, ensuring demand signals, constraints, and inventory policies translate into executable, accurate plans. This person will partner closely with regional and global stakeholders, drive continuous improvement, and play a key role in scenario planning and decision support.

• Key ResponsibilitiesLead FG and FF&P supply planning, ensuring alignment with demand priorities, business rules, and operational constraints
• Own dependent requirements planning from FG to FF&P, generating netted AI demand signals and completing constrained supply plans
• Execute MRP with defined freeze periods to generate accurate planned orders; own demand netting within the supply region
• Manage MRP exception handling, validating and resolving issues sequentially and ensuring completeness and accuracy of MRP outputs
• Own FG and bulk inventory planning in partnership with Inventory Management, including lead times, safety stock, and inventory targets
• Implement and refine safety stock policies to balance service levels and working capital
• Prepare supply plans by reviewing planning data, netting policies, BoMs, capacity alignment, and data accuracy (including data cleaning and validation)
• Support the SIOP process by preparing inputs for regional supply reviews and incorporating allocation decisions and global constraints
• Perform scenario modeling to evaluate trade-offs, assess risks, and support data-driven decision-making
• Coordinate execution feasibility across key stakeholders, including Tollers, Material Planners, AI Planners, and Schedulers
• Validate intercompany transfer orders generated by MRP and ensure alignment with supply priorities and stock availability
• Proactively communicate supply risks and escalate critical shortages when resolution paths are not available
• Continuously improve planning processes, tools, and standards by challenging inefficiencies and implementing best practices

• What We’re Looking For5–10 years of experience in supply planning within a complex manufacturing or distribution environment
• CPIM certification strongly preferred
• Deep expertise in MRP and dependent requirements planning, including demand netting and exception management
• Strong experience working within ERP and advanced planning systems, with the ability to interpret outputs and optimize planning parameters
• Proven ability to manage cross-functional stakeholders and operate effectively in matrixed organizations
• Analytical, data-driven mindset with experience in scenario modeling, root-cause analysis, and continuous improvement
• Sound judgment and decision-making skills, balancing short-term constraints with long-term strategy and risk mitigation
• Strong communication skills, with the ability to present supply scenarios, trade-offs, and recommendations to senior leaders
• Detail-oriented planner who also maintains a strong big-picture perspective

Why This Role

This is an excellent opportunity for a supply planning professional who wants to move beyond pure execution and play a strategic role in improving how supply decisions are made. The right person will have the chance to influence systems, processes, and outcomes — not just maintain the status quo.

A Typical Day

The Senior Project Engineer is simultaneously a design engineer and a technical project manager responsible for managing capital projects that execute the strategic plan of Hilmar driven through Hilmar’s Strategic Asset Management Plan (SAMP) and Hilmar's Portfolio Management Office (PMO) to accomplish the goals of the steering team and board of directors. At the direction of the site engineering manager, the Senior Project Engineer is the supervising engineer on short and long-term asset management, reliability, and engineering projects.

Job Responsibilities

• Ability to successfully manage large scale projects end to end simultaneously leveraging internal and external resources to ensure projects deliver business outcomes, and our asset decisions and investments deliver value.
• Responsible for project scheduling, communication, costing, procurement, and budget creation, justification, and management for an average of 4-5 projects at one time and commissioning 10-15 projects annually with a total investment of up to $20 million.
• Mentor and develop less experienced engineers by providing guidance and technical support..
• Manage the implementation of capital projects to include concept development, establishment of project teams, process and design optimization, technical and economic evaluation of alternatives, scope definition and control, estimating, scheduling, development of funding requests, detailed engineering and design, regulatory compliance (environmental, safety, USDA, TXDHS, CDFA, and FDA) and project validation.
• Responsible for ensuring Process and Instrumentation Diagrams as well as Bill of Materials are accurate and up to date. Review and track field changes, lead the execution of design and construction implementation as well as any changes.
• Establish and maintain strong relationships with project teams, collaborating with various departments to include: R&D, manufacturing, sales, maintenance, engineering, safety, quality, environmental, and accounting, to ensure business outcomes are delivered.
• Interface with cheese and/or ingredients business units to address and resolve reliability, asset and engineering risks and issues through vendor engagement, design review against current state, performance guarantees, reliability-focused design recommendations, and asset integrity reviews.

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• Manage budget spend and forecasting within +/- 10% accuracy on a monthly basis; continually manage project schedule, risks and quality to meet project business outcomes needed.
• Accountable to ensure Hilmar’s internal good engineering and project management practices are followed, including installation, operational, and performance qualification documentation, ensuring product and project quality by design.
• Understand and apply to designs: Engineering principles (thermodynamics, fluid mechanics, and process controls), theories, concepts, practices, and techniques, applying statistical analysis as necessary. Engage in and develop mathematical models and risk matrices for engineering designs and asset investment decisions, including whole-life asset costing to support strategic investment decisions.
• Build and maintain strong vendor relationships, representing the company during vendor engagements, managing the RFP process, including obtaining pricing and defining equipment needs. Review and analyze vendor agreements, including terms and conditions and master service agreements, and provide recommendations for revisions to leadership.
• Facilitate effective written communication and decision making and risk management meetings across the business to achieve project outcomes; lead, develop, and deliver presentations to leadership at all levels for project design and risk reviews as part of strategic asset management decisions and processes.

What You Will Need

• Bachelor's degree in engineering plus 5 years’ related experience OR Master’s degree in Engineering plus 3 years’ related experience.
• Applies engineering principles, good judgement and reasoning in technical decision making and problem solving.
• Ability to envision imaginative and practical solutions to complex problems
• Experience developing engineering system designs that deliver innovative and economical solutions in response to business needs.
• Tactical knowledge of production operations management for quality, yield, and cost.
• Proficiency in Microsoft Office Suite
• Demonstrates integrity in relationships and decision-making as well as in the handling of intellectual property or sensitive information. Be a self-starter that builds strong relationships, leads and collaborates effectively in teams, and consistently seeks excellence and improvement.
• Strong communication skills with the ability to read, write, speak, understand, and clearly convey complex technical and business concepts.

What Will Put You Ahead

• Bachelor's in engineering plus 7 years of related experience OR Master's degree in Engineering plus 4 years of related experience
• Experience and knowledge in Dairy, Biotech, Pharmaceutical, Food or Manufacturing in project or process engineering, preferably infant formula, high-hygienic, sanitary facility experience and familiarity with 3A sanitary standards, USDA, FDA, PMO, and state dairy manufacturing regulations.
• Certifications and practical experience in Project, Asset or Risk Management: PMP, PMI-RMP, IAM. Utilization of risk management, retrospectives, and lessons learned to drive actionable improvement.
• Experience with sequential or agile project management tools such as Planview or MS Project.