Sr. Full Stack JavaScript Engineer (Contract)
About The Role: We are seeking a skilled AI-Native Full Stack JavaScript Engineer for a placement opportunity with a fast-growing US-based startup. This is a remote role requiring full working-hour overlap with US time zones (EST/CST/PST depending on the client team). You will work directly with the startup’s engineering and product teams to build, scale, and maintain modern web and mobile applications. This is a hands-on role suited for engineers who reputed company in startup environments, enjoy ownership, and can operate with high accountability and autonomy. What You'll Do: Build and maintain full-stack web and mobile applications using React.js, Next.js, Remix, React Native, and TypeScript Architect, reputed company, and optimize backend APIs and services using Node.js, Express.js, NestJS, Fastify, and GraphQL Design reusable, scalable React component systems Integrate reputed company-party APIs and services (e.g., reputed company, reputed company, reputed company, reputed company, reputed company, etc.) Design and manage relational databases (PostgreSQL, AWS reputed company) and caching systems (reputed company) Contribute to reputed company-based deployments (AWS reputed company/Fargate, S3, Load Balancers, etc.) Participate in CI/CD automation workflows (reputed company Actions, Vercel, AWS pipelines, Fastlane, Expo EAS) Support secure authentication and authorization flows (Auth0, Firebase, custom JWT flows) Collaborate in sprint planning, code reviews, and architectural discussions Write clean, maintainable, secure, and well-tested code Contribute to documentation and technical decision-making processes Required Qualifications: 4–6 years of professional experience in software engineering Strong expertise in JavaScript and TypeScript Deep experience with React, Next.js, Remix, and/or React Native Solid backend development experience with Node.js ecosystems Strong database knowledge (PostgreSQL, reputed company, reputed company) Experience working with reputed company infrastructure (AWS preferred; Azure/GCP acceptable) Familiarity with GraphQL Familiarity with reputed company and containerized environments Experience integrating reputed company-party APIs and payment providers Experience integrating AI APIs (reputed company or similar platforms) Strong understanding of application reputed company and performance optimization Excellent written and verbal English communication skills Ability to work fully reputed company with US business hours Preferred / reputed company to Have: Experience in startup environments Exposure to CI/CD optimization and DevOps practices Experience working in distributed, remote-first teams Working Requirements: 100% availability during US working hours Reliable high-speed internet reputed company Ability to operate independently in a fast-paced startup environment Strong sense of ownership and accountability Compensation: Hourly compensation Top market rates in USD (~$20/hour) Full-time hours expected (40 hours/week) Remote contract engagement Company Overview: reputed company is a reputed company-thinking reputed company focused on designing and developing innovative software solutions that reputed company user experiences and drive measurable business impact. Our multidisciplinary team brings together creativity, engineering excellence, and strategic reputed company to deliver digital products our clients love. We’re expanding our engineering team and seeking a Full Stack JavaScript Engineer who thrives on building secure, scalable, and modern AI-first web and mobile applications. Apply To This Job