Senior Full-Stack Engineer (Remote) - Data & API Expert

eSimplicity; Columbia (MD); On-site; USD 120,000 - 190,000; Full time

Benefits offered by this job

Medical, dental, and vision coverage

401(k) retirement benefits

Paid time off and holidays

Life and disability insurance

Wellness programs

Job summary

eSimplicity is seeking a seasoned Full Stack Developer who thrives at the intersection of modern web development and complex data systems. You will build web interfaces, backend services, and automated workflows that power internal tools and data mesh integration.

You’ll collaborate with engineers, DevOps, product owners, and data architects to rapidly prototype, build, and scale data-aware applications with secure access to distributed data environments.

Qualifications

• Must pass U.S. Public Trust clearance (citizen or eligible).
• Minimum 7 years of software engineering experience.
• Proficient in TypeScript/JavaScript/Python.
• Experience with React.js, Next.js, Node.js, Flask.
• Experience with large-scale data systems and data mesh concepts.
• Experience developing RESTful and GraphQL APIs.
• Relational and NoSQL databases experience (PostgreSQL/MySQL/MongoDB).
• AWS cloud architecture experience.
• Containerization with Docker and Kubernetes.
• CI/CD with GitHub Actions.
• Automated testing with PyTest/Jest/Cypress/Playwright.

Responsibilities

• Design, develop, and maintain modern full-stack web applications for data flow.
• Prototype tools for large-scale data movement and ETL automation.
• Build APIs and services to authenticate and connect with data mesh nodes.
• Integrate with enterprise and third-party data sources securely.
• Collaborate in Agile teams to deliver incremental improvements.
• Define secure access patterns across distributed data systems.
• Document APIs, deployment guides, and usage manuals.
• Monitor and tune performance of deployed services.
• Contribute to CI/CD practices for reliable deployments.
• Participate in standups, sprints, demos, and retrospectives.

Skills

TypeScript/JavaScript/Python

React.js/Next.js/Node.js/Flask

AWS cloud architecture

Docker/Kubernetes/Terraform

RESTful & GraphQL APIs

PostgreSQL/MySQL/MongoDB

Automated testing (PyTest/Jest/Cypress

Playwright

CI/CD with GitHub Actions

Data mesh concepts

Git & collaboration

Security & access control

Tools

Redis

Grafana

Prometheus

Sentry

Terraform

GitHub Actions

Job description

eSimplicity is seeking a seasoned Full Stack Developer who thrives at the intersection of modern web development and complex data systems. You will build web interfaces, backend services, and automated workflows that power internal tools and data mesh integration.

You’ll collaborate with engineers, DevOps, product owners, and data architects to rapidly prototype, build, and scale data-aware applications with secure access to distributed data environments.