Staff Software Engineer (Full Stack – TypeScript / React)

About SimpleConsign

Resale is reshaping retail, and SimpleConsign is building the platform behind it. We power resale businesses with software for inventory, sales, payouts, and operations, supporting real-world retail workflows where accuracy, performance, and reliability matter.

Now we’re building what’s next: new products, smarter automation, and new platforms ready for the next evolution of the circular economy. You’ll join a small, highly capable engineering team where your work ships fast, matters to real businesses, and helps drive change in how people buy and sell secondhand.

About the Role

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

Required Qualifications

• 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

Preferred Qualifications

• 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

Why Work at SimpleConsign

• 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
• Balanced engineering culture: We value pragmatic solutions, clean code, and sustainable systems over unnecessary complexity
• Best in class benefits: Health, Dental, Vision, 401k, etc…
• Room to lead and build: This role offers both hands-on development and the opportunity to influence how we build software as the company grows

What Success Looks Like at SimpleConsign

• The platform becomes easier to extend, operate, and maintain as it grows
• Engineers ship features with confidence due to strong architecture and standards
• Technical decisions are well-reasoned, documented, and aligned with business goals
• You are viewed as a trusted technical leader by engineering, product, and leadership

Pay: $150,000.00 - $180,000.00 per year

Benefits:

• 401(k) matching
• Dental insurance
• Health insurance
• Paid holidays
• Paid sick time
• Paid time off
• Vision insurance

Work Location: Hybrid remote in Dedham, MA 02026