> Markdown version of [/jobs/ext/4364504-staff-software-engineer-full-stack-typescript-react](https://www.wearedevelopers.com/jobs/ext/4364504-staff-software-engineer-full-stack-typescript-react). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Staff Software Engineer (Full Stack - TypeScript / React) - **Company:** SimpleConsign, LLC - **Location:** Dedham, MA, United States - **Experience:** Expert - **Salary:** $150,000.0 - $180,000.0 - **Contract:** Permanent contract - **Skills:** Java (Programming Language), JavaScript (Programming Language), Application Programming Interfaces (APIs), Amazon Web Services, Software as a Service, Software Quality, Code Review, Persistent Data Structure, Next.js, Software Engineering, TypeScript, ReactJS, Backend, Production Code, Front End Software Development - **Published:** October 13, 2026 - **Apply:** https://www.indeed.com/viewjob?jk=e7afd3cbcf20c021 ## About the Role * Bachelor's degree or equivalent practical experience. * 8+ years of professional software engineering experience (or equivalent impact) * Strong expertise in TypeScript and modern JavaScript ecosystems * Solid understanding of backend development, APIs, and data persistence * Proven ability to influence technical decisions beyond your own tasks * Strong communication skills and a collaborative mindset, * Experience with Java * Familiarity with AWS * Production experience with Next.js and full-stack web applications * Familiarity with SaaS platforms, transactional systems, or data-heavy applications * Experience improving or operating production systems used by real customers * Background in retail, resale, or inventory-driven systems is a plus ## Description We are looking for a Staff Software Engineer who will play a key role in the technical direction and long-term health of the SimpleConsign platform. This is a senior, hands-on role with broad impact across the codebase and engineering team. You will work primarily in TypeScript and Next.js, contributing across frontend and backend systems, while helping guide architectural decisions, improving engineering practices, and mentoring other engineers. Experience with Java is a plus, particularly for backend or legacy system work. Responsibilities Technical Leadership * Serve as a technical leader across the SimpleConsign platform, influencing architecture and design decisions * Help define and evolve engineering standards for code quality, testing, performance, and reliability * Identify technical risks and proactively drive solutions that scale with the business * Balance near-term product delivery with long-term maintainability Hands-On Development * Design, build, and maintain full-stack features using TypeScript and Next.js * Contribute to backend services, APIs, and data models that support complex resale workflows * Write high-quality, production-ready code and provide thoughtful, constructive code reviews * Improve system performance, observability, and developer experience Product & Team Collaboration * Partner closely with product, support, and operations to deeply understand customer needs * Translate business problems into practical, scalable technical solutions * Mentor engineers through design discussions, reviews, and day-to-day collaboration * Raise the overall technical maturity of the team through example and guidance Architecture & Platform Evolution * Contribute to the long-term architectural vision of the SimpleConsign platform * Lead or guide refactors, migrations, and modernization efforts as the product grows * Look for opportunities to simplify systems and reduce operational overhead, * Real-world impact: Your work directly supports resale businesses that rely on accuracy, trust, and operational efficiency every day * Meaningful technical ownership: You'll help shape the architecture and technical direction of a mature, revenue-generating SaaS platform * Small, capable team: Work alongside experienced engineers where your decisions and contributions have visible impact