Senior Software Engineer (Full Stack - TypeScript / React)

We are looking for a Senior Software Engineer who will be a core contributor to the delivery and day-to-day health of the SimpleConsign platform. This is a hands-on role with a direct impact on our product feature roadmap and codebase. You will work primarily in TypeScript and Next.js, implementing robust full-stack solutions, promoting strong engineering practices, and helping guide technical decisions within the team. Experience with Java is a plus, particularly for backend or legacy system work., Technical Delivery & Execution

• 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 high-quality, production-ready code that is reliable, secure, and well-tested.
• Provide thoughtful, constructive code reviews to maintain high engineering standards.

Engineering Practices & Quality

• Help define and adhere to team engineering standards for code quality, performance, and reliability.
• Identify technical debt and operational risks within your scope and proactively implement sustainable fixes.
• Improve system performance, observability, and the day-to-day developer experience.
• Balance efficient, near-term feature delivery with the long-term maintainability of the codebase.

Collaboration & Mentorship

• Partner closely with product, support, and operations to deeply understand customer needs and refine feature requirements.
• Translate business problems into practical, elegant technical solutions.
• Mentor mid-level and junior engineers through collaborative design discussions, paired programming, and code reviews.
• Actively contribute to a healthy, supportive, and growth-oriented team culture., * 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

• Bachelor’s degree or equivalent practical experience.
• 5+ years of professional software engineering experience (with a proven 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 highly collaborative mindset., * Production experience with Next.js and full-stack web applications.
• Familiarity with AWS infrastructure and deployment.
• Experience with Java.
• Familiarity with SaaS platforms, transactional systems, or data-heavy applications.
• Experience maintaining or improving production systems used by real customers.
• Background in retail, resale, or inventory-driven systems is a plus.

• 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

• Features are shipped on time, with minimal defects, and with confidence due to strong testing and quality standards.
• The codebase remains clean, well-documented, and easy for other team members to extend and maintain.
• Technical solutions are pragmatic, well-reasoned, and aligned with immediate business goals.
• You are viewed as a dependable, highly technical partner by both the engineering team and product managers.

Pay: $135,000.00 - $165,000.00 per year, * 401(k) matching

• Dental insurance
• Health insurance
• Paid holidays
• Paid time off
• Vision insurance

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.