Senior Full-Stack Engineer, Front-End Leaning

Company: Encord

Location: London

Posted: April 17th, 2026

Senior Full-Stack Engineer (Front-End Leaning)

Join to apply for the Senior Full-Stack Engineer (Front-End Leaning) role at Encord.

About Encord: The success of any machine learning system relies on the quality of its training data, but building high quality datasets is too slow and too expensive. Encord is building the infrastructure to solve this problem. Our platform handles the indexing, curation and annotation of huge datasets, so that our customers can efficiently build datasets, train models, and deploy their AI systems.

As AI models become more powerful and capable, they can create more economic value by handling increasingly complex tasks but only if they are suitably directed by human feedback. Expertly annotated data is the best way to do this, and Encord is well positioned to take advantage of a market which is growing extremely fast.

We are an ambitious team of 90+ working at the frontier of multi-modal AI and backed by $30M in Series B funding from top investors like CRV and Y Combinator. We have big plans ahead and are looking to rapidly expand our Engineering team over the course of this year.

Who You Are

We’re looking for great engineers with experience in building complex UIs, to help build out our editor interface. This is the part of our product that lets users visualise and annotate their data. We handle a wide range of data modalities, such as image, video, audio, text, PDFs, medical images, as well as from LIDAR and other sensors in robots and autonomous vehicles. For this role, we are particularly looking for engineers who are excited about technically challenging front-end work, such as rendering complex 3D/4D scenes with thousands of objects, combining data from several modalities, all while maintaining high performance in the browser.

You’ll join us at a crucial stage of accelerated development for the company, product and team. As part of a small, highly collaborative group, you’ll be a key driver of progress on a core part of our product. You will operate with high degrees of autonomy and be expected to craft performant, reliable and maintainable solutions to challenging problems - both technical and product.

What To Expect

About You

Tech stack

We are technology agnostic at Encord. We are not looking for you to have experience in all these technologies. As long as you\'re open to learning, please apply. We currently use Python and Typescript across our codebase. Prior experience is appreciated but not required. Backend: Python and Rust; Frontend: Typescript and React; Kubernetes for deployment; GCP for underlying infrastructure.

What We Offer

Competitive salary and equity in a hyper growth business.

Strong in-person culture: most of our team is in the office 3+ days a week.

Room to grow into anything you choose to — a year ago we were 35 people, now we\'re 75. We\'ll be growing insanely fast over the next 24 months and you\'ll have all the opportunities for growth as you can handle.

25 days annual leave a year + public holidays.

Encord offers a unique opportunity to be part of a startup with a clear mission and vision. You will get to explore and build services enterprise AI use cases across many different industry verticals such as healthcare, surveillance, retail, agriculture and many more.

Our work is at the cutting edge of computer vision and deep learning, which also includes working on solving unsolved problems within those fields.

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