Senior Backend Software Engineer at Series B circular economy startup

Senior Backend Software Engineer

Company

Description:

Series B circular economy startup

Job Description: You will join a high-growth product engineering team building the digital infrastructure for a massive, traditionally offline global trade. Reporting to the CTO, you will own core marketplace features from discovery to payments, integrating proprietary AI engines into the user experience to manage high-volume inventory at a global scale.

Location: London, UK

• Join a hyper-growth venture that is tripling in size annually while solving complex supply chain and sustainability challenges.
• Work at a Series B stage company backed by world-class tier-one VCs and prominent industry operators.
• Tackle unique engineering problems where every inventory item is one-of-a-kind, requiring innovative approaches to search and transactions.

• Architect and scale backend systems that handle hundreds of thousands of unique items monthly.
• Collaborate with AI and data teams to bridge advanced classification models with the core marketplace product.
• Take end-to-end ownership of the ecommerce journey, including checkout systems, seller tools, and order management.

• Holds 3-6 years of professional backend experience, ideally using Type Script and Node.js in consumer-facing environments.
• Possesses a product-driven mindset with the ability to connect technical architecture to commercial outcomes and user experience.
• Thrives in high-velocity startup environments and is comfortable navigating ambiguity to build systems from the ground up.

Step
1. Visit our website
.
Step
2. Click 'Talk to Jack'.
Step
3. Talk to Jack so he can understand your experience and ambitions.
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4. Jack will make sure Jill (the AI agent working for the company) considers you for this role.
Step 5. If Jill thinks you're a great fit and her client wants to meet you, they will make the introduction.
Step 6. If not, Jack will find you excellent alternatives. All for free.