Senior Software Engineer, Backend
Encord, London
- Pay
- Not listed by the employer
- Work type
- Onsite
- Level
- Senior
- Area
- Software engineering, Inference & ML systems, ML / AI engineering
- Posted
- Aug 21, 2026
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About the role
ABOUT US
We're solving AI's hardest problem: alignment.
Encord is the data layer for Physical AI and enterprise, serving as core infrastructure for 300+ of the world's leading AI teams, including Woven by Toyota, Hitachi, Skydio, AbbVie and Dyna, Walden and Agility Robotics. From autonomous vehicles and robotics to sports and healthcare, we're solving AI's hardest problem: turning complex, real-world data into production-ready intelligent systems.
We're a team of founders, scientists, quants, researchers, and former Olympians, who’ve helped build some of the most successful companies in Silicon Valley, and alumni of MIT, Stanford, UC Berkeley, Oxford, Cambridge, and Imperial. We’ve raised $110M from legendary technology investors, early backers of companies like Databricks, ElevenLabs and Vercel, and we’re growing at an extraordinary pace.
We're looking for exceptional people who want to help build a category-defining company, operating with high urgency and taking real ownership to help shape the future of AI.
THE ROLE
We're looking for a Senior Engineer to join our Foundations team, the backend backbone that builds the reliable, scalable, fast systems everyone else at Encord builds on top of. The team's core challenges sit deep in distributed and data-intensive systems.
The product mindset on this team is different from most of the company: short-term product insight matters less, long-term matters a lot. Foundations plans around how the next 6, 12, and 24 months will look, with an overarching shape to the problem: handling multiple orders of magnitude the data we handle today.
Encord is growing rapidly, with our product as the key driver of that growth. A year ago, we were a team of 100; now, we're over 150 and continuing to accelerate. The systems that got us here won't get us to what's next. That's the problem you'll help solve.
WHAT YOU'LL DO
- Take end-to-end ownership of significant projects within our database and processing systems, from design and architectural decisions all the way to deployment, monitoring, and measuring impact
- Build robust distributed systems and reason carefully about how they fail and how they behave under load
- Contribute to performant protocols and APIs, such as our label-format API, that customers use directly
- Tackle complex domains and immense scale with simple solutions
- Raise the bar through code reviews, pairing, and helping engineers around you do their best work
WHO WE'RE LOOKING FOR
- You've seen and built a lot. You have personally developed and maintained multiple systems from scratch, and you know what trade-offs are involved in building reliable, performant software at speed
- You want your work to have a tangible outcome for people. You're not satisfied with building products that do not see the light of day
- You are a builder. You enjoy all aspects of building not only software but a complete product, and are comfortable moving across the stack when necessary
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Listed on Encord's Ashby job board; checked 6 h ago. First seen by us 2 days ago. Being listed doesn't mean the team is actively interviewing. We found this board in a public directory and haven't yet confirmed it against the company's own careers page.