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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Full Stack Developer - **Company:** THE EXECUTIVE'S EXEC LLC - **Location:** Hanover, MD, United States - **Experience:** Experienced - **Contract:** Permanent contract - **Skills:** JavaScript (Programming Language), Application Programming Interfaces (APIs), Artificial Intelligence, Amazon Web Services, Amazon Cloudfront, Amazon S3, HTML5, Microsoft Azure, Cascading Style Sheets (CSS), Data Stores, Relational Databases, DevOps, Amazon DynamoDB, Github, Python (Programming Language), PostgreSQL, Node.Js, NoSQL, OAuth, OpenID, Open Web Application Security, OpenAI, Azure Active Directory, Next.js, TypeScript, Web Applications, Website Wireframe, Trunk-based Development, Pinecone, ReactJS, Retrieval-Augmented Generation, Delivery Pipeline, Large Language Models, Claude Code, Express.js, Prompt Engineering, Cypress (Programming Language), Llamaindex, Generative AI, Backend, Agentic-AI, Gitlab, Git, Data Layers, Amazon Relational Database Service, Pgvector, Gitlab-ci, Material UI, Playwright, Figma, Front End Software Development, Claude, Functional Programming, Api Gateway, NestJS, Restful APIs, Model Context Protocol, Es2015, Devsecops, Microservices - **Published:** October 7, 2026 - **Apply:** https://www.thejobnetwork.com/job/a08eabba-4b0a-40f5-8174-9bd4c393bf76/full-stack-developer ## About the Role * Bachelor's degree in Computer Science, or a related field (or equivalent work experience). \n * 3+ years of experience as a Full Stack Developer shipping production web applications; experience in a DoD, federal contracting, or regulated environment a plus. \n * Strong proficiency in HTML5, CSS3, JavaScript/TypeScript (ES6+), React, and Next.js; comfort building and documenting reusable component libraries. \n * Proficiency in Node.js and Python for server-side development; experience with Express.js, Nest.js, and/or Next.js API routes. \n * Hands-on experience integrating LLM APIs (Anthropic Claude, OpenAI, or similar) into production applications; demonstrated ability to write effective prompts, implement RAG pipelines, and build tool-use/agentic workflows. \n * Experience with relational databases (PostgreSQL) and NoSQL databases (DynamoDB); comfort writing and optimizing queries and managing schema migrations. \n * Solid understanding of RESTful API design, microservices architecture, and AWS services (API Gateway, Lambda, Cognito, S3, CloudFront). \n * Proficiency with Git and trunk-based development workflows; experience with GitHub or GitLab for PR-based collaboration. \n * Working knowledge of CI/CD pipelines (GitLab CI/CD) and cloud deployment practices on AWS; familiarity with security-focused DevSecOps gates. \n * Strong analytical and problem-solving skills; ability to work independently across multiple concurrent projects and communicate technical decisions clearly to non-technical stakeholders. \n * Comfort working in a regulated, compliance-aware environment; familiarity with NIST 800-171, CMMC, or FedRAMP requirements preferred. \n * Strong interpersonal and communication skills; proven ability to collaborate effectively across engineering, design, DevOps, and program management teams. \n, * Experience building AI-powered features using RAG, vector databases (e.g., pgvector, Pinecone), or LLM orchestration frameworks (e.g., LangChain, LlamaIndex). \n * Familiarity with model context protocol (MCP) patterns and structured tool-use design for LLM-integrated applications. \n * Experience with Azure services (Azure AD, GCC High) or AWS GovCloud in a DoD or federal contracting environment. \n * Familiarity with TypeScript across both front-end and back-end (Node.js/Next.js) codebases. \n * Experience with Playwright or Cypress for end-to-end testing of web applications. \n * Background in UX/UI collaboration with Figma or similar design tooling. \n ## Description Eccalon's Executives foster a supportive work environment allowing our teams to thrive, and have a fierce dedication to innovation, security, and people. Our culture is built on inclusion, teamwork, trust, and we are committed to offering career advancement opportunities to all employees. Encouraging a healthy and balanced life, we offer an extensive benefits package to support the wellness of our employees and their families. You will be joining a team of innovators, working with cutting edge technologies, supporting mission critical projects, and making an impact., Eccalon is seeking a Full Stack Developer to design, build, and ship production software across a portfolio of DoD, Intelligence, and enterprise programs. You will own features end-to-end-from React front-ends and Next.js applications through Node.js/Python APIs and AWS-hosted data stores-and actively leverage LLM and AI-assisted development techniques to accelerate delivery and enhance product capabilities. You will work closely with cross-functional teams including DevOps, UX/UI design, and program leadership in a security-conscious, compliance-driven environment., n \n * Design, develop, and maintain full-stack web applications from UI through API to data layer, with ownership of features across the entire delivery lifecycle. \n * Build front-end architecture and UI components using React and Next.js; create reusable component libraries that support consistent UX across multiple products. \n * Integrate LLM and AI capabilities into product features using the Anthropic API (Claude) and other model providers; apply prompt engineering, retrieval-augmented generation (RAG), and agentic workflow patterns to build intelligent, context-aware application experiences. \n * Translate designs and wireframes into high-quality, accessible, responsive code; leverage AI-assisted development tools (e.g., Claude Code) to accelerate implementation without sacrificing quality or security. \n * Develop and maintain back-end services and REST APIs using Node.js and Python; design for security, scalability, and compliance from the start. \n * Integrate front-end applications with back-end APIs and AWS cloud services (Cognito, Lambda, API Gateway, DynamoDB, RDS/PostgreSQL); implement authentication flows including OAuth2/OIDC and JIT provisioning.