Senior Full Stack Engineer (TypeScript/React)

Salary: $135,000 - 165,000 per year Requirements:

• Bachelors degree or equivalent practical experience.
• At least 5 years of professional software engineering experience, including a track record of delivering complex features.
• Strong expertise in TypeScript and modern JavaScript/React ecosystems.
• Solid understanding of backend development, RESTful APIs, and data persistence.
• Strong communication skills and a collaborative approach.
• Preferred: Production experience with Next.js and full-stack web applications.
• Preferred: Familiarity with AWS infrastructure and deployment.
• Preferred: Experience with Java.
• Preferred: Familiarity with SaaS platforms, transactional systems, or data-heavy applications.
• Preferred: Experience maintaining or improving production systems used by real customers.
• Preferred: Background in retail, resale, or inventory-driven systems.

• Design, build, and maintain robust, scalable full-stack features using TypeScript and Next.js.
• Contribute to backend services, APIs, and data models that support complex resale workflows.
• Write reliable, secure, well-tested, production-ready code.
• Conduct thoughtful, constructive code reviews and uphold engineering standards.
• Help define and follow team standards for code quality, performance, and reliability.
• Identify technical debt and operational risks, then implement sustainable improvements.
• Improve system performance, observability, and the developer experience.
• Balance efficient feature delivery with long-term codebase maintainability.
• Collaborate with product, support, and operations to understand customer needs and refine requirements.
• Turn business problems into practical technical solutions.
• Mentor junior and mid-level engineers through design discussions, paired programming, and code reviews.
• Contribute to a supportive, growth-oriented team culture.

• AWS
• Backend
• Support
• Java
• JavaScript
• React
• TypeScript
• Web
• Cloud
• Fullstack

More:

We build software that supports resale businesses with inventory, sales, payouts, and operational workflows. As a Senior Software Engineer, youll join our small, experienced engineering team and help deliver new products and platform capabilities for the circular economy. Your work will shape the roadmap and technical direction of our mature, revenue-generating SaaS platform, with meaningful ownership and visible impact. We value pragmatic solutions, clean code, and sustainable systems, and offer opportunities to contribute hands-on while helping guide how we build as we grow. Compensation is $135,000–$165,000 per year. Benefits include 401(k) matching, dental, health, and vision insurance, paid holidays, and paid time off. The role is hybrid remote in Dedham, Massachusetts.

last updated 42 week of 2026