Senior Full Stack Developer (TypeScript, React, Node.js, Event Source, AWS)

Senior Full Stack Developer (TypeScript, React, Node.js, Event Source, AWS)

• This is a fully remote position. *

Overview

We’re looking for a Senior Full Stack Developer (with strong front-end experience) to build and evolve modern, cloud-native applications. You’ll own features end-to-end—from designing performant React/TypeScript user experiences to building event sourced Node.js services and GraphQL running serverless on AWS. You’ll partner closely with product and design, contribute to system architecture in an event-driven, service-oriented environment, and help strengthen engineering practices around CI/CD, automated testing, observability, and security-by-design.

Key Responsibilities

• Own and deliver end-to-end product features from design through production support.
• Build high-quality, accessible, and performant user interfaces using React and TypeScript.
• Design and implement backend services and APIs using Node.js and GraphQL.
• Develop and operate cloud-native and serverless workloads on AWS, including AWS Lambda.
• Contribute to service-oriented and event-driven architectures that scale reliably over time.
• Write clean, maintainable code and participate in thoughtful code reviews to raise engineering standards.
• Create and maintain automated tests (unit, integration, and end-to-end) to ensure system reliability.
• Contribute to CI/CD pipelines and release processes that enable fast, safe, and repeatable deployments.
• Instrument services with logging, metrics, and tracing; help diagnose and resolve production issues.
• Apply secure coding practices and protect sensitive data as part of everyday development.
• Collaborate closely with product, design, and engineering peers in an Agile environment.
• Use modern development tools, including AI-assisted workflows, to improve productivity while maintaining quality.

Qualifications

• 4-5+ years of professional experience building and shipping production web applications.
• Strong experience with React and modern frontend development practices.
• Strong backend experience with Node.js and event based service design.
• Hands-on experience deploying and operating services in AWS environments.
• Familiarity with event sourced and event-driven system design.
• Experience with automated testing and CI/CD pipelines.
• Proficiency with Git-based workflows and collaborative development.
• Strong problem-solving skills and the ability to work across the full stack.
• Excellent communication skills and ability to collaborate cross-functionally.

Preferred Qualifications

• TypeScript-first development experience across frontend and backend.
• Experience with GraphQL and contract-first API development.
• Familiarity with Infrastructure as Code (CDK, Terraform, or CloudFormation).
• Experience with observability tooling (logging, metrics, tracing, alerting).
• Database experience with SQL and/or NoSQL systems.
• Experience building software in regulated or security-sensitive environments.

Life Line Screening is proud to be an equal opportunity employer. Employment decisions are made without regard to race, color, religion, national or ethnic origin, sex, sexual orientation, gender identity or expression, age disability, protected veteran status, or other characteristics protected by law. Life Line Screening will only employ those who are legally authorized to work in the United States for this opening. Any offer of employment is conditional upon the successful completion of a background check and drug screen.

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