A
AssemblyAI
Senior Software Engineer (Inference)
Skills
Machine Learning
2 months ago
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Important information
Contract type:
Permanent
Salary:
£120,000 – £145,000 / year
Location:
London, UK
Work mode:
Onsite
Published on:
3 September 2026
What they need
- We’re hiring a Software Engineer to help turn cutting-edge AI research into products our customers rely on every day. You’ll sit on a fast-paced engineering team between our research org and our Applied teams, taking new model capabilities from proof of concept to robust, well-documented APIs serving production traffic at scale
- Design and ship customer-facing APIs that expose new model capabilities, owning them from prototype through launch and ongoing iteration
- Scale inference infrastructure to support our 1M+ api users
- Partner with researchers to productionize new techniques. For example, turning a notebook or POC into something with the latency, reliability, and ergonomics customers expect
- Work with our customers and Applied teams to understand how users are building with our products, and feed that back into product design and research direction
- Contribute across the stack as needed: backend services, inference infrastructure, SDKs, internal tooling
Benefits
- Home office stipend: We invest in our people first and offer competitive salaries across all roles andEvery new team member gets U$1,000 to improve their home office. We want to make sure everyone has the setup to do their best work. locations
- Equity: We want our team members to have skin in the game and an opportunity to see long-term returns on the hard work they are putting in. To that end, every team member receives a generous equity grant
- Premium benefit offerings: We offer premium medical, dental, and vision plans and cover up to 100% of the premiums for both the employee and their family. We also offer opportunities to contribute to an HSA or FSA, short-term and long-term disability coverage, and life insurance
- Unlimited PTO: We offer a flexible PTO policy to all team members and encourage everyone to take time off to recharge, do something fun, and spend time with loved ones
- Team offsites: We have team and company-wide retreats in amazing locations to give everyone an opportunity to meet in person, collaborate, and build working relationships that make us a better team
- Global remote team: We hire the best person for the job, regardless of location. Our remote-first culture allows team members to make an impact from anywhere in the world
- Diversity and inclusion: We celebrate diversity and are committed to creating an inclusive environment for all employees. We are proud to be an equal-opportunity workplace
- Flexible schedule: Strong teams are built on mutual trust and accountability. We believe in giving our team members ownership over their work and a flexible schedule to allow them to operate at their highest potential- Genuine curiosity about AI/ML. You don’t need to be a researcher, but you should want to understand what the models are doing well enough to make good engineering decisions around them
- Strong backend engineering experience, including building and supporting machine learning infrastructure and/or customer-facing APIs in production
- Comfort operating with ambiguity. Research timelines and product timelines don’t always line up, and you’re energized rather than frustrated by that
- Strong collaboration skills. You’ll be working daily with researchers, applied engineers, and sometimes customers, people with very different contexts and priorities, and the role only works if you enjoy that
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