Senior Full-Stack TypeScript Developer (Node.js/APIs/React) (US-Only Contract)

About DevelopmentNow DevelopmentNow is an award-winning creative digital development agency based in Portland, OR. We are currently seeking a Full-Stack TypeScript Developer to work on contract. We transform businesses through mobile, web, and emerging technology solutions. We have provided digital solutions for a variety of companies, including startups, agency partners, and enterprise Fortune 500 firms. Some of our recent clients include Kelly Services, Microsoft, BBDO, AT&T, Ogilvy, Manheim, Avery Dennison, and Time Warner Cable. The Position This is a fully-remote senior contract position. You must physically reside and work in the US. This full-stack role focuses on designing and building robust backend systems and APIs that power modern web applications. You will build scalable services, design clean APIs, and integrate with a variety of internal and third-party systems. You will also contribute to front end React code on occasion. Responsibilities Build scalable web applications by designing, building and maintaining high-performance, reusable, and reliable code Design and build scalable backend services and APIs Model and manage application data, integrations, and service architecture Contribute to frontend features and UI improvements using React and NextJS as part of a full-stack development workflow Collaborate with product, design, and engineering teams to ship new features across the stack Troubleshoot and resolve performance bottlenecks, integration issues, and production bugs Participate in code reviews and architectural discussions to maintain high engineering standards Contribute to documentation and development workflows using tools like Jira and Confluence Stay current with modern backend patterns, frameworks, and cloud technologies Required Skills and Experience A minimum of 5 years experience in professional software development Experience with TypeScript and Node.js frameworks such as NestJS Experienced with React or other modern frontend frameworks Experience designing and consuming REST or GraphQL APIs Experience building data models and integrating with databases and third-party services Understanding of web architecture, API design principles, scalable system design, and patterns and best practices Experience using APIs to integrate web applications with server side systems Ability to understand business requirements and translate into technical requirements Passionate about technology and willing to develop expertise Experience using Git, CI/CD workflows, and modern development practices Experience working in collaborative, agile engineering teams Bonus Experience Experience with Flutter, React Native, or other cross-platform mobile app frameworks Experience with python-based APIs Why DevelopmentNow? Be part of our growing company where your contributions and ideas truly matter. We are a tight-knit team of technologists who enjoy solving problems and exploring emerging technology. We are committed to a work/life balance. We are committed to fostering an inclusive and diverse workforce. We work with community organizations like Epicodus and Girl Develop It to encourage the next generation of Portland technologists. This position is remote.