AI Full Stack Developer

System One, Inc.; Washington (District of Columbia); Hybrid; USD 62,000 - 76,000; Part time

Benefits offered by this job

Medical insurance

Dental insurance

Vision insurance

Spending accounts

Life insurance

Voluntary plans

401(k) plan

Job summary

System One, Inc. is seeking an AI Full Stack Developer to join a contract, hybrid team in Washington, DC. You will design and build AI-enabled full-stack apps, from accessible UIs to back-end APIs, while ensuring security and government compliance.

Responsibilities include integrating LLMs, building RAG pipelines, and maintaining CI/CD and MLOps with government-approved tooling. This role offers a hybrid work model and exposure to cutting-edge AI in a federal context.

Qualifications

• Bachelor's degree in CS/Engineering/Math or related field with 5+ years full-stack experience.
• 1+ year experience delivering Generative AI capabilities (LLM integration, RAG, embeddings).
• Proficiency in Python, JavaScript/TypeScript, and a frontend framework (React/Angular).
• Experience designing RESTful APIs, relational and NoSQL databases, and cloud platforms (AWS/Azure/GC).
• Experience with secure coding practices and federal security requirements; accessibility (Section 508 / WCAG).
• 7+ years of software development, including federal agency programs.
• Knowledge of MCP tooling, vector stores, and testing AI systems for security vulnerabilities.

Responsibilities

• Design, develop, and enhance AI-enabled full-stack applications from accessible front-end interfaces to back-end APIs and services.
• Build LLM integrations, RAG pipelines, vector search, and agentic AI workflows with MCP-based tools.
• Plan and execute functional, performance, and AI-specific testing; maintain CI/CD and MLOps pipelines with TEVV gates.
• Monitor production AI systems, perform root-cause analysis, and support incident response and governance documentation.

Skills

Python

JavaScript/TypeScript

React

RESTful APIs

Cloud platforms

Docker/Kubernetes

CI/CD pipelines

Secure coding practices

Section 508 / WCAG

Git/Jira

Generative AI

Education

Bachelor's degree in CS/Engineering/Math or related field

Tools

Model Context Protocol (MCP)

GitHub Copilot

Azure AI Foundry

Google Vertex AI

AWS Bedrock

Job description

Job Title: AI Full Stack Developer
Location: Washington, District Of Columbia
Type: Contract
Compensation: 45-55/hour W-2
Work Model: Hybrid (3 days onsite and 2 days remote)
Security Clearance: Eligible for public trust clearance- Government background investigation required

Responsibilities

• Design, develop, and enhance AI-enabled full-stack applications as part of a small,forward-deployed team, from accessible front-end interfaces (Section 508 / WCAG2.1 A and AA) to back-end APIs, services, and workflow automation.
• Build Large Language Model (LLM) integrations, Retrieval-Augmented Generation(RAG) pipelines, vector search, and agentic AI workfl ows using Model ContextProtocol (MCP)-based tools, engineered to the government’s AI agent securityframework (OWASP Top 10 for LLM Applications, NIST AI RMF) with promptengineering, retrieval quality controls, and human-in-the-loop oversight.
• Plan and execute functional, performance, and AI-specifi c adversarial testing (promptinjection and jailbreaks), evaluating outputs for accuracy, hallucination, bias, andsafety; build and maintain CI/CD and MLOps pipelines with security scans and Test,Evaluation, Verifi cation and Validation (TEVV) gates, and prepare release artifacts.
• Monitor production AI systems, perform root-cause analysis, support incident response and scheduled helpdesk support, and contribute to Responsible AI documentation (model cards, impact assessments); participate in two-week Agile sprints using Government-furnished AI engineering tools (e.g., GitHub Copilot, with model inference via Azure AI Foundry, Google Vertex AI, or AWS Bedrock), taking part in code and prompt reviews under the same review and security gates as hand-written code, and keeping code, prompts, and documentation in Government-approved repositories with full traceability.

Requirements

• Bachelor's degree in Computer Science, Engineering, Mathematics, InformationSystems, or a related fi eld and 5+ years of relevant experience, including 5+ years ofhands-on full-stack software development spanning front-end and back-endtechnologies; equivalent experience may substitute for the degree.
• 1+ year of hands-on experience delivering Generative AI capabilities, such as LLM integration, RAG pipelines, embeddings, vector databases, or AI workflow orchestration.
• Strong proficiency in Python, JavaScript/TypeScript, and a modern front-end framework (e.g., React or Angular), with experience designing RESTful APIs, working with relational and NoSQL databases, and developing on a major cloud platform(AWS, Azure, or Google Cloud) with containers (Docker/Kubernetes) and CI/CD pipelines.
• Experience with automated testing and evaluating AI output quality (accuracy, relevance, hallucination), secure coding practices and federal security requirements, and building interfaces that conform to Section 508 / WCAG 2.1 A and AA within Agile teams using Git and Jira.
• Generative AI or Machine Learning certifi cation (e.g., Microsoft Azure AI, AWSGenerative AI/ML, Google Cloud, Databricks, Snowfl ake SnowPro, NVIDIA, or Certifi edArtifi cial Intelligence Practitioner (CAIP)).
• 7+ years of software development experience, including support of federal agency programs.
• Experience with agentic AI frameworks, Model Context Protocol (MCP) tooling, open-weight model serving, and vector stores, including testing AI systems for securityvulnerabilities (e.g., prompt injection) and Authority to Operate (ATO) documentation.
• Knowledge of AWS Cloud AI development services, Amazon Bedrock, AmazonSageMaker, Lambda, and API Gateway, for building and deploying generative AI andagentic workloads; the Government’s AI engineering environment currently spansAzure AI Foundry, Google Vertex AI, and AWS Bedrock.

System One, and its subsidiaries including Mountain Ltd., are leaders in delivering outsourced services and workforce solutions across North America. We help clients get work done more efficiently and economically, without compromising quality. System One not only serves as a valued partner for our clients, but we offer eligible employees health and welfare benefits coverage options including medical, dental, vision, spending accounts, life insurance, voluntary plans, as well as participation in a 401(k) plan.

• medical
• dental
• vision
• spending accounts
• life insurance
• voluntary plans
• participation in a 401(k) plan

System One is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex (including pregnancy, childbirth, or related medical conditions), sexual orientation, gender identity, age, national origin, disability, family care or medical leave status, genetic information, veteran status, marital status, or any other characteristic protected by applicable federal, state, or local law.