HOW WE WORK — AI-NATIVE ENGINEERING
At B-Stock, AI is not a side experiment — it is how we build. Our engineers work in an AI-first workflow: using agentic coding tools to design, write, review, test, and ship production software, orchestrating AI to multiply their output while keeping human judgment firmly in the loop. We are looking for engineers who already work this way, or are hungry to.
In this role you will be expected to:
- Use AI-assisted and agentic development tools (e.g., Claude Code, Cursor, GitHub Copilot) as a daily, core part of how you deliver — not an occasional aid.
- Orchestrate one or more AI agents across parallel work-streams, and know when to trust, verify, or override what they produce.
- Bring strong engineering judgment to reviewing and validating AI-generated code — you own the output, the AI does not.
- Decompose ambiguous problems into clear specs and prompts that an AI can reliably execute against.
- Stay fluent in a fast-moving toolchain and help raise the bar for how the whole team works with AI.
- Bonus: experience building AI-powered product features — LLM integration, retrieval, evaluations, or agentic systems in production.
JOB SUMMARY
B-Stock is looking for a Senior Software Engineer to help design, build, scale, and maintain the next generation of our marketplace platform. You’ll work with expert technical leads and engineers to build the experiences at the core of our business, partnering closely with Product, Design, and other teams to execute key initiatives — and doing it in an AI-native way.
WHAT YOU'LL DO
- Work closely with product owners to design, implement, and deploy systems that scale our e-commerce, content, and fulfillment operations.
- Deliver elegant, effective software quickly, using AI to accelerate without sacrificing quality or ownership.
- Provide thought leadership on process, tooling, systems, and software architecture — including how we adopt and get leverage from AI.
- Improve and maintain existing systems, prioritizing maintainable solutions and removing friction from the development process.
- Mentor other engineers through design and architecture planning, code review, and knowledge sharing.
- Learn and grow continuously, staying ahead of emerging technologies and industry trends.
ABOUT YOU
- 7+ years of experience in software development.
- An AI-native engineer: you already build with agentic/AI-assisted tools and have strong instincts for where they help and where they don’t.
- An exceptional problem solver with a passion for tackling hard challenges.
- Very comfortable with TypeScript and JavaScript, React, and a backend language such as Node.js, Python, or Ruby.
- Able to deliver elegant, effective software solutions in a timely manner.
- A clear, friendly, and open-minded communicator.
- Successful in an agile environment; able to break down large pieces of work and deliver value incrementally.
- Bonus: experience scaling backend and distributed systems; strong testing and CI/CD discipline; hands-on experience shipping AI-powered features.
OUR TECH STACK
- TypeScript / JavaScript, React
- Node.js
- MongoDB / PostgreSQL
- Google Cloud Platform (GCP)
- Docker / Kubernetes
The pay rate for this role will range between $145,000 to $175,000, per annum. We consider many factors when determining salary offers, such as the applicant’s work experience, education and training, skills, market data, and internal equity.
EMPLOYEE BENEFITS
- Competitive compensation packages, including bonus and options
- Medical, Dental, and Vision benefits
- Paid Time Off, telecommuting, and matching 401(K)
- Support for continuing education
- Team offsites, social events, and extracurricular activities are a staple
- Snacks, drinks, and the occasional box of donuts
THE COMPANY
B-Stock is the world's largest B2B re-commerce platform, connecting sellers and buyers of returned, trade-in, and overstock inventory. Our customers range from today’s top brands and retailers that want best-in-class inventory resale management to tens of thousands of entrepreneurs looking to purchase valuable merchandise for their resale businesses.
While the amount of returned and overstock inventory continues to grow, there is also growing pressure on retailers and consumers to adopt a more circular economy and keep products in use as long as possible. Accordingly, the need for re-commerce solutions - to find products a second life - has never been greater! At B-Stock we’re proud to play a large part in powering resale, reuse, and the circular economy through our platform: annually we sell over 130 million items across all categories and conditions, equating to 400 million pounds of inventory.
We believe there is tremendous value in and demand for this inventory - no matter the category, condition, or location. With hundreds of thousands transactions completed annually, B-Stock gives buyers a simple and direct way to buy valuable products directly from retailers and offers sellers a technology-driven replacement for traditional resale methods, while boosting operational efficiency, recovery rates, and cycle time.
Led by eBay veterans and backed by top investors including Spectrum Equity, True Ventures, and Susquehanna Growth Equity, B-Stock shows no signs of slowing down. Our core values have shaped the company we are today and will continue to drive our success for many years to come.
For more information, visit bstock.com/careers/
OUR VALUES
Make Each Dollar Count
Whether it’s the recovery amount or a buyer’s budget, money matters to all of our clients. And because each dollar matters to them, it matters to us.
Take Our Work Seriously, Not Ourselves
Everything at B-Stock continues to grow - everything but our egos, that is. We’re not afraid to let loose and laugh (often at ourselves).
Do The Hard Things Today That Will Pay Off Tomorrow
We’re willing to sacrifice and endure, fail and adapt to reach our long-term goals.
Use Trust As The Best Measure Of Success
The trust we earn along the way is more valuable than money. Without trust from both our buyers and sellers, our business won’t succeed.
Find Strength In Numbers
Use our passion for data to provide value to our customers, improve ourselves, and develop new ways to delight our buyers and sellers.
No applicant will face discrimination/harassment based on race, color, ancestry, national origin, religion, age, gender, marital domestic partner status, sexual orientation, gender identity, disability status, or veteran status. Above and beyond discrimination/harassment based on “protected categories,” B-Stock also strives to prevent other, subtler forms of inappropriate behavior (e.g., stereotyping) from ever gaining a foothold in our office. Whether blatant or hidden, barriers to success have no place at B-Stock.
Work Authorization required.
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