Fullstack Integration Engineer

Responsibilities

• Design, develop, test, and maintain backend services using Node.js and TypeScript
• Build and enhance frontend application features using React and TypeScript
• Design and develop REST and/or GraphQL APIs for use by external partners
• Integrate applications with third-party platforms, vendors, and partner systems
• Build and operate cloud-based services within AWS
• Develop serverless applications using services such as AWS Lambda and API Gateway
• Design and maintain production data models using relational or document databases
• Collaborate with product, engineering, and external partner teams to define integration requirements
• Troubleshoot API, data, and integration issues across distributed systems
• Participate in code reviews, testing, deployment, and ongoing application support
• Help establish scalable development practices for partner integrations and cloud services

Required Qualifications

• 5+ years of professional software engineering experience
• Strong backend development experience with Node.js
• Advanced TypeScript experience across backend and frontend applications
• Professional frontend development experience using React
• Production experience with a relational or document database, preferably PostgreSQL or MongoDB
• Experience building and operating applications or services within AWS
• Hands-on experience integrating with third-party or external partner systems
• Experience designing and developing externally consumed REST and/or GraphQL APIs
• Strong understanding of API security, authentication, error handling, and data validation
• Ability to work effectively in a remote, collaborative engineering environment

Preferred Qualifications

• Experience with NestJS
• Production experience with MongoDB
• Experience developing GraphQL APIs
• Experience with AWS serverless technologies, including Lambda and API Gateway
• Previous government or public-sector delivery experience
• Experience supporting applications with multiple external partner integrations
• Familiarity with automated testing, CI/CD pipelines, monitoring, and production support

This is a remote opportunity available to candidates located within the United States.