Senior Full Stack Developer
Digital Management, LLC5 months ago
McLean, VA, USASenior
Base Salary
$124k - $134k/yr
Responsibilities
- Design, develop, test, and deliver full-stack features across the front end, back end, synchronization layer, and external integrations.
- Build and maintain an offline-first React and TypeScript PWA with service workers, background sync, IndexedDB encryption, Redux Toolkit, Material UI, and Vite.
- Develop Express and Node back-end services and contribute to migration from a monolith to domain-aligned AWS Lambda services.
- Implement persistence and access-pattern models across MongoDB and DynamoDB, including single-table DynamoDB designs.
- Develop integrations with DoD and enterprise systems using data transformation, delta/change-data-capture synchronization, and REST, SOAP, and SFTP protocols.
- Design connectivity-aware data flows for online, intermittent, low-bandwidth, and disconnected environments.
- Apply layered authentication, role-based authorization, resource-level access control, secure coding, and tamper-evident audit trails.
- Use agentic AI coding tools to generate, refactor, migrate, review, and harden code for correctness, quality, and security.
- Maintain automated, functional, regression, performance, and accessibility testing and participate in code reviews.
- Create architecture decision records, API specifications, system documentation, and process and data-flow diagrams.
- Lead feature-area design, establish coding standards, mentor mid-level developers, and own technical trade-off decisions.
- Collaborate with delivery, architecture, DevSecOps, UX, cybersecurity, and mission-user teams within Agile/Scrum and Git-based CI/CD processes.
Requirements
- Bachelor's degree in Computer Science, Software Engineering, or a related field; a Master's degree or an Associate's degree plus four years of experience may substitute under the stated equivalency rules.
- At least 10 years of overall software development experience.
- At least five years of professional experience with Node, TypeScript, and React.
- At least three years of experience building on AWS serverless services.
- Hands-on experience with React, TypeScript, Node.js, Express, Redux Toolkit, Material UI, Vite, Progressive Web Apps, service workers, Workbox, IndexedDB, background sync, MongoDB, Mongoose, and DynamoDB.
- Experience with AWS Lambda, DynamoDB, API Gateway, Step Functions, EventBridge, SQS, API design, and incremental monolith-to-serverless migration patterns.
- Experience integrating REST, SOAP, and SFTP systems and implementing authentication with CAC/mTLS, OIDC, JWT, OAuth2, API keys, and SSH keys.
- Knowledge of secure coding, AES-256-GCM, FIPS 140-3, RBAC, audit logging, RMF, STIG, and NIST 800-53 expectations.
- Experience with Git, CI/CD, GitHub Actions or GitLab, monorepos, Jest, Vitest, Playwright, supertest, Lighthouse, Docker, and Agile/Scrum.
- Fluency with agentic AI coding tools and rigorous review and hardening of AI-generated code; Claude Code and Claude Opus are preferred, while GitHub Copilot, Cursor, or comparable tools are accepted.
- Active DoD SECRET clearance is required at the start of work; an interim SECRET may be accepted for transition, with final SECRET required within 90 days.
- U.S. citizenship is required, with no foreign-national or dual-citizenship accommodation.
- Ability to meet applicable DoD 8570/8140 IAT or IAM certification baseline requirements for Information Assurance functions.
- AWS Certified Developer Associate or AWS Solutions Architect Associate, DoD or federal modernization experience, DDIL experience, AWS GovCloud exposure, and experience with DoD systems are preferred.
- Experience with MCP, RAG, large-language-model provider abstraction, multiple AI inference deployment models, AWS observability and infrastructure-as-code tools, k6, Storybook, and air-gapped environments is preferred.
Benefits
- Benefits include virtual health visits, commuter perks, pet insurance, and entertainment discounts.
- The company provides annual performance reviews, tuition assistance, and internal career growth opportunities.
- Benefits include 401(k) matching, life and disability insurance, and financial wellness tools.
- Healthcare coverage, wellness programs, flu shots, and biometric screenings are provided.
- Additional offerings include annual awards, service anniversaries, referral bonuses, and peer-to-peer recognition.
- The role is based in McLean, Virginia, with standard remote knowledge-work conditions; the candidate must work from a U.S.-based location suitable for handling controlled unclassified information.
- No specific physical requirements are stated.
Tech Stack
Amazon DynamoDBDockerExpressGitGitHub ActionsJavaScriptJestMongoDBNode.jsReactSOAPTerraformTypeScript
Categories
About Digital Management, LLC
Digital Management, LLC (DMI) delivers managed IT and digital services—managed mobility, cloud, cybersecurity, network operations, application development, data, and customer experience—to public-sector agencies and commercial enterprises. The privately held firm is headquartered in McLean, Virginia, and builds and operates mission‑critical systems for U.S. federal clients, including the Department of Defense. Its business centers on long‑term managed services, systems integration, and modernization projects across mobile and cloud environments.