Onfido is seeking Machine Learning/ Computer Vision Engineers to help us continue to build our amazing product. You’ll join a talented and friendly engineering team who pride themselves on delivering great code in an industry where privacy, security and reliability are crucial It’s a critical time at Onfido as we aim to scale and evolve our product without sacrificing robustness and quality; an agile, automation-driven and passionate test team will be crucial to our success. The ideal candidate will have industry experience working on a range of classification and image processing problems, e.g. document classification, image auto-rotation, optical character recognition, language modelling, face verification and face recognition. We are looking to hire engineers to build the next generation of the product. We’re looking for experienced back-end engineers to join our talented and rapidly growing engineering team.

Our Stack:

We aim to stay flexible and primarily build in Python and Lua. We’re not dogmatic about technology: we try to make sure we’re choosing tools that are the best fit for the problems we’re solving.

As our Machine Learning/Computer Vision Engineer, you will be responsible for the following:

Develop highly scalable classifiers and tools leveraging machine learning, data regression, and rules based models.
Suggest, collect and synthesise requirements and create effective feature roadmap for Onfido’s background checking technologies.
Code deliverables in tandem with Onfido’s engineering team.
Adapt standard image processing and machine learning methods to best exploit modern parallel environments (e.g. distributed clusters, multicore SMP, and GPU).


MS degree in Computer Science or related quantitative field with 3-5 years of relevant experience or PhD degree in Computer Science or related quantitative field.
Coding experience in at least two of C, C++, Lua, Java, Python
Experience with Git, writing shell scripts and working in a Unix environment
Experience in at least one of the machine learning libraries Torch, Theano, Caffe or similar
Experience in at least one of the following areas:Computer Vision
Machine Learning
Experience in at least one of the following areas:
Face Verification
Voice Verification
Deep Learning
Natural Language Processing


We’re committed to making Onfido a fantastic place to work, so we go to great lengths to give you what you need to succeed. The whole Onfido team benefits from:
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A fully stocked kitchen with unlimited breakfast, drinks, snacks and fresh fruit every day
Unlimited budget for any software or books you need
Subsidised gym membership, free yoga classes and company 5-a-side football league
Monthly company dinners at some of the hottest restaurants in London
Quarterly socials (including cookery classes and private cinema trips)
Friday afternoon drinks
Relaxed & informal office environment


About Onfido

Onfido delivers next-generation background checks, helping the world’s most innovative businesses verify anyone, anywhere. Founded in 2012, we apply intelligent technology to an outdated process to power over 1,000 businesses worldwide. Having raised over $30m in funding to date, our focus is on continuing to develop our technology as well as expanding our global footprint. We work in a high-growth and fast-paced environment and are always looking for the best talent to join us. Our team of passionate technologists are born innovators who progress through constant and rapid iteration and fast feedback loops.