Senior TypeScript Engineer

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On a mission to help people who have been diagnosed with chronic kidney disease, this start-up are looking to bring on a Senior TypeScript Developer, who’s fully embraced AI-assisted development.

The client

Their mission is to make life better for people suffering from kidney disease by building one of the first algorithm-based behavioural change programmes. The application that does this brings together tech and health coaches that can be prescribed by doctors – yes, that’s a thing in Germany!

The role

The role

Building new features that cut across a patient-facing React Native app and a NextJS back office
Helping shape the tech stack and architecture for a new patient-facing web app
Integrating with 3rd parties such as auth, real-time comms (video/audio/text) and connected health devices
Using LLMs, agentic frameworks and RAG to improve health coach efficiency
Helping to hire a great team and building a diverse, open and welcoming culture

What experience do I need?

Architecture: You’ve designed complex systems from scratch and maintained them over time
AI assisted development: Comfortable building with and configuring tools like Claude Code (memory/rules files, commands, skills etc)
TypeScript: This is one of your core competencies; you have a deep understanding of the type system and appreciate the value of end-to-end type safety
Backend: You’ve built Node servers from scratch, understand the benefits of meta frameworks and have ideally used an RPC layer of some kind
Frontend: You have a deep understanding of React, data fetching/mutation, state management, form management, design/component systems and styling
Testing: Comfortable with unit, integration and end to end tests and know when to apply each of them.
Data stores: You’re happy designing schemas for relational databases, performing migrations and querying with or without an ORM. If you have experience of KV stores or other types of databases, that’s a bonus
Infra: You have some experience of configuring, deploying and monitoring applications using AWS, GCP or another cloud provider
Documentation: You can succinctly and clearly document technical decisions and processes
GIF selection: Hands on experience with disappearing Homer, crying Dawson, dramatic chipmunk and more

Technical nice to haves:

Terraform or another IaC system
React Native
Internationalisation
AI engineering experience (agentic frameworks, RAG, evals etc.)

The candidate

What’s in it for you?

Culture is key to these guys. You’ll be given freedom to work remotely, flexibly, in an autonomous way. They are an early stage start-up so there’s not a ton of benefits at the moment, though they are offering generous equity (as one of the first dev hires and the person who’s going to build the product, you’ll be well renumerated here), a 5K training budget and 28 days holiday (plus your bank hols).

Not to mention the company having an incredibly diverse workforce, cross-collaboration across teams, and lastly, a deep sense of meaning and purpose behind what you do, every single day. Salary wise, they’re happy to offer up to £100K.

We welcome diversity

We welcome those with alternative identities, backgrounds, and experiences. Our team includes parents, the self-taught, the university-educated, and people of a wide variety of nationalities, ages, and socio-economic backgrounds.

Obviously, we’re looking to ensure it’s a solid fit from both sides: we want you to step into a role you love, and we want to offer you a place you’re proud to come to every day for work.

We know that diverse teams are strong teams, and welcome those with alternative identities, backgrounds, and experiences to apply to be part of life at Zebra People. We are committed to a fair and accessible recruitment process for all candidates. We would be happy to meet any accommodation requests during the application or interview process, please just let us know.