Backend Engineer

Reposted 19 Hours Ago
Be an Early Applicant
London, Greater London, England
In-Office
125K-225K Annually
Mid level
Artificial Intelligence • Information Technology • Software
The Role
The Backend Engineer will design and build APIs, distributed systems, and production-grade services, taking ownership of features and solving problems across the company.
Summary Generated by Built In

About Seamflow

We’re removing one of the last great barriers to progress in the physical world. While software moves fast, industries like aerospace, healthcare, and energy are still slowed by outdated, manual systems.

  • Rapidly growing in stealth with 6 figure revenue in 3 months

  • Raised a 14x oversubscribed $4.5m seed round from Tier 1 VCs - Coinbase, Reddit, Klarna, Spotify

  • This is a once-in-a-generation shot to define how humanity brings new ideas into the real world. We’re going to take the opportunity by moving fast, working with intensity, and executing without compromise.

Who we are looking for

  • Problem Solver - You love solving hard problems (proven history of doing so).

  • Ownership & Intensity - You take charge and force things into existence. Bonus if you’ve founded something yourself / joined a startup as an early member.

  • Proven Builder - 2+ years as an engineer with a track record of fast, production-grade code shipping.

  • Backend Engineering – Strong experience designing and building APIs, distributed systems, and production-grade services in Python/TypeScript/Go/Rust (or similar).

  • Infra Engineering - Experience with relational databases, graph databases, containerization, and cloud infrastructure. AWS + Pulumi preferred.

Your First Month at Seamflow

  • Ship from Day 1 - You deploy to production day 1 and take ownership for code.

  • Own it - You create specs, figure things out, and build features end-to-end.

  • Solve Every Problem - From scaling infra to hiring the next teammate to jumping on customer calls, you do what needs doing.

We Offer

  • Pace & Purpose: We work 6 days a week, together in London (in-person, we sponsor visas), because we don’t want to look back and think we could’ve pushed harder.

  • Top-of-Market Reward: Base Salary (minimum £100k) + meaningful equity and the chance to do career-defining work.

  • No Friction: We cover relocation, visas, team meals, and whatever tools or resources you need to move fast.

  • A Tight-Knit Team: We work hard because we care, but we also laugh a lot, eat together, and back each other completely. Everyone here is here because they want to build something meaningful, with people they genuinely like.

Top Skills

AWS
Go
Pulumi
Python
Rust
Typescript
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The Company
HQ: London
8 Employees

What We Do

Seamflow is building the AI layer that powers faster innovation in the physical world.

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