AI/Python Developer

Job#: 3027947

Job Description:

Walmart

AI/Python Developer

Contract, or Contract to Hire

Hybrid Onsite (Sunnyvale, CA)

This position requires the successful candidate to be authorized to work in the U.S. without the need for current or future employer sponsorship

Role Overview:

We are seeking curious, outcome-focused engineers with a product mindset for a high-visibility initiative. This role involves building and deploying production-ready, AI-powered services using Large Language Models (LLMs) and Generative AI. The ideal candidate will focus on delivering tangible results and will have their work evaluated based on solving practical, real-world problems.

Key Responsibilities

• Build and deploy production-ready AI-powered services using LLMs and Generative AI.
• Develop and enhance components for RAG pipelines, agentic workflows, and knowledge-grounded reasoning systems.

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• Write high-quality, testable, and maintainable Python code with a strong focus on observability, reliability, and performance.
• Design and implement scalable, cloud-native services and distributed systems for AI-powered applications.
• Own key service-level components across APIs, microservices, data pipelines, and vector-backed retrieval systems.
• Partner with product, platform, and data teams to integrate AI capabilities into business applications.
• Contribute to technical design discussions and help drive implementation for complex feature areas.
• Participate actively in code reviews, design reviews, and operational improvements to raise engineering quality.
  
  

Required Qualifications

Experience: 5+ years of experience in software engineering, with strong experience in backend systems, distributed systems, or cloud platforms. Candidates should have hands-on experience with Generative AI and LLM-based applications in production settings and a track record of delivering production-quality software.

Technical Skills: Strong coding skills in Python and experience building production-grade backend systems are required. This includes experience with scalable microservices, APIs, and event-driven systems. Familiarity with vector databases, RAG pipelines, and LLM integration patterns is also necessary.

Preferred Qualifications

• Experience with cloud platforms such as Azure, GCP, or AWS.
• Experience with observability, monitoring, and production operations for AI-powered systems.
• Exposure to AI/ML frameworks such as PyTorch, TensorFlow, or Hugging Face.
• Familiarity with security, compliance, and responsible AI considerations in enterprise environments.
  
  

Work Environment

This role requires onsite presence 3-4 days per week. Relocation assistance may be considered for candidates moving to the work location.

We are an equal opportunity employer and welcome applications from all qualified candidates regardless of race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or veteran status.

Apex uses a virtual recruiter as part of the application process. Click here for more details.

If you have visited our website in search of information on employment opportunities or to apply for a position, and you require an accommodation in using our website for a search or application, please contact our Benefits Department at [email protected] or 804-523-8228.

Apex Systems is a world-class IT services company that serves thousands of clients across the globe. When you join Apex, you become part of a team that values innovation, collaboration, and continuous learning. We offer quality career resources, training, certifications, development opportunities, and a comprehensive benefits package. Our commitment to excellence is reflected in many awards, including ClearlyRated's Best of Staffing® in Talent Satisfaction in the United States and Great Place to Work® in the United Kingdom and Mexico. Apex uses a virtual recruiter as part of the application process. Click here for more details.

Apex Benefits Overview: Apex offers a range of supplemental benefits, including medical, dental, vision, life, disability, and other insurance plans that offer an optional layer of financial protection. We offer an ESPP (employee stock purchase program) and a 401K program which allows you to contribute typically within 30 days of starting, with a company match after 12 months of tenure. Apex also offers a HSA (Health Savings Account on the HDHP plan), a SupportLinc Employee Assistance Program (EAP) with up to 8 free counseling sessions, a corporate discount savings program and other discounts. In terms of professional development, Apex hosts an on-demand training program, provides access to certification prep and a library of technical and leadership courses/books/seminars once you have 6+ months of tenure, and certification discounts and other perks to associations that include CompTIA and IIBA. Apex has a dedicated customer service team for our Consultants that can address questions around benefits and other resources, as well as a certified Career Coach. You can access a full list of our benefits, programs, support teams and resources within our ‘Welcome Packet’ as well, which an Apex team member can provide.

Apex Systems is a world-class IT services company that serves thousands of clients across the globe. When you join Apex, you become part of a team that values innovation, collaboration, and continuous learning. We offer quality career resources, training, certifications, development opportunities, and a comprehensive benefits package. Our commitment to excellence is reflected in many awards, including ClearlyRated's Best of Staffing® in Talent Satisfaction in the United States and Great Place to Work® in the United Kingdom and Mexico. Apex uses a virtual recruiter as part of the application process. Click here for more details.

Apex Benefits Overview: Apex offers a range of supplemental benefits, including medical, dental, vision, life, disability, and other insurance plans that offer an optional layer of financial protection. We offer an ESPP (employee stock purchase program) and a 401K program which allows you to contribute typically within 30 days of starting, with a company match after 12 months of tenure. Apex also offers a HSA (Health Savings Account on the HDHP plan), a SupportLinc Employee Assistance Program (EAP) with up to 8 free counseling sessions, a corporate discount savings program and other discounts. In terms of professional development, Apex hosts an on-demand training program, provides access to certification prep and a library of technical and leadership courses/books/seminars once you have 6+ months of tenure, and certification discounts and other perks to associations that include CompTIA and IIBA. Apex has a dedicated customer service team for our Consultants that can address questions around benefits and other resources, as well as a certified Career Coach. You can access a full list of our benefits, programs, support teams and resources within our ‘Welcome Packet’ as well, which an Apex team member can provide.

Apex Systems is part of the Commercial Segment of ASGN Incorporated.

NYSE: ASGN

4400 Cox Road

Suite 200

Glen Allen, Virginia 23060

Apex Systems is an equal opportunity employer. We do not discriminate or allow discrimination on the basis of race, color, religion, creed, sex (including pregnancy, childbirth, breastfeeding, or related medical conditions), age, sexual orientation, gender identity, national origin, ancestry, citizenship, genetic information, registered domestic partner status, marital status, disability, status as a crime victim, protected veteran status, political affiliation, union membership, or any other characteristic protected by law. Apex will consider qualified applicants with criminal histories in a manner consistent with the requirements of applicable law. If you have visited our website in search of information on employment opportunities or to apply for a position, and you require an accommodation in using our website for a search or application, please contact our Benefits Department at [email protected] or 804-523-8228. (Do not submit resumes or solicit consultants to this email address). UnitedHealthcare creates and publishes the Transparency in Coverage Machine-Readable Files on behalf of Apex Systems.