Senior Backend Engineer

V7 turns human knowledge into trustworthy AI, powering products that solve our hardest problems. Our platform lets customers build no-code AI workflows that solve knowledge work with V7 Go, and leverage expert humans to improve frontier AI model knowledge with V7 Darwin.

V7 were recently ranked No 1 in Sifted’s top B2B companies for 2024 and raised a $33m Series A including the AI Fund @ Radical Ventures. We are backed by some of the best minds in AI, from Ashish Vaswani (Invented Transformers, the basis of GPT) Oriol Vinyals (Google Deepmind and Gemini co-lead), Christian Szegedy (X.ai) and AI leadership at Amazon, X, Isomorphic, and Google. V7 is used to power AI’s rollout at Fortune 500 organisations including Sony, Boston Scientific and Genentech.

Take a tour of our product in 90 seconds here**: https://www.youtube.com/watch?v=F-DMAN8gbjk**

Or watch the recent keynote of V7 Go’s launch: https://www.youtube.com/watch?v=Hit-RogJKvg

About the Role

We work with billions of training data images to leverage some of the world's most complex and general purpose AI models. Our back-end development is world-class and not short of challenges.

Team’s mission: Design, build and orchestrate backend services that enable our customers to train and leverage AI models in an elegant and performant way.

Technologies we use: Elixir, Phoenix, Postgres, RabbitMQ, Docker, AWS

If you don't know Elixir, that's ok, but you'll have to learn it. (some of our team members had no Elixir experienced when they started and had no problem learning it).

What You’ll Do

• Join the team in building solutions to speed up the time to complete annotations tasks.

• Be the go to backend engineer in the team responsible for the data flow of the AI features, both from a codebase point of view and  infrastructural one.

• Take ownership of backend tasks related to our model training and inference systems, focusing on enhancing visibility and minimising costs.

• Upgrade/Redesign our autoscaling system for model interference. 

• Facilitate seamless integration between V7's web application and our AI system, serving as the crucial link to optimise our system for labeller’s speed.

• Employ orchestration techniques to oversee backend tasks and jobs, guaranteeing that the models provided to customers are sufficiently resourced for efficient operation.

Who you are

• Bachelors or higher in Computer Science or a related field such as physics, STEM, Mathematics.

• A senior level backend engineer with  strong architectural design skills.

• Expertise in designing and building scalable, asynchronous systems.

• Expertise functional programming or or a huge interest in learning FP; we will consider experience in many languages including Elixir, Rust, Haskell, Clojure, Scala, F#, Golang, Ruby or Kotlin, to name a few.

• Proficiency in queue management and observability, utilising tools such as RabbitMQ, Kafka, SQS.

• Experience with orchestration tools like Docker.

• You thrive in a dynamic, fast-paced environment with a high tolerance for ambiguity and shifting priorities. You embrace a culture of continuous evolution and you are ready to pivot as needed.

• You are eager to demonstrate initiative from day one by proactively providing input and delivering value beyond immediate tasks. You actively seek ways to improve processes and contribute to the company’s overall growth.

• Fluent in English.

What’s in it for you:

• V7 were named as Linkedin’s No2 top startup in the UK in 2023 and 8th on Sifted’s top 100 fastest growing startup UK/I list 2024

• Take a look at the launch of V7 Go here in 1 min video

• Top 15% quartile equity options plan through an EMI scheme

• Private Healthcare via Vitality

• Unlimited vacation, just tell us when you need time off

• Learning and Development wallet 

• Monthly well being and mental health budget

• Personalised benefits platform via Thanks Ben

• Enhanced parental leave

• 25 days paid holiday with unlimited additional days

• 4-day company-wide and 4 day departmental retreats in stunning locations

• Visit London to meet us in our HQ. We have a barista & plenty of snacks

• Hybrid working with flexibility or remote working

• Temporary work from anywhere for one month in the calendar year

• Paid tickets, accommodation, and travel to relevant conferences, nationally or internationally (NeurIPS, ICCV, CVPR, ...) to expand your network & knowledge during normal times

• Apple hardware provided plus a budget for home office equipment

• Passionate about DEI and want to make a difference for yourself and others in the workplace? Us too! We have group leaders and allies championing the importance of diversity in 2024 who are always on the lookout for more allies and/or co-leads!