Tilth Group
NextJS Software Engineer
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NextJS Engineer (UK Remote)
Please note before applying: This is a remote role, however applicants must already be based in the UK and eligible for PAYE employment. We are unable to offer Skilled Worker visa sponsorship for this role.
Who are Tilth?
Tilth is building the software layer for modern agriculture. We combine farm management data, Earth observation and AI to give farmers a clearer picture of what is happening on their land, and what they should do about it.
We're a small, ambitious startup, so you'll have real ownership over what we build, how we build it and why we're building it. We're looking for a proficient NextJS Engineer with at least 3+ years of experience to join the team.
This is a hands-on role for a developer who wants to work across frontend, backend and AI, and who wants genuine ownership of what they create.
What you'll do
You'll work across the Tilth application and the systems behind it, including:
- Building features in our Next.js / React application
- Designing APIs and backend services
- Integrating third-party APIs and data sources
- Building interfaces for complex agricultural and geospatial datasets
- Building asynchronous jobs and data-processing pipelines
- Integrating LLMs and other AI capabilities
- Debugging, testing and improving production software
Because we're a small team, you'll help shape what we build as well as how it works.
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What we're looking for
Next.js is essential. We need someone who understands modern Next.js and can build applications that are not just functional but fast. You need to be comfortable with server/client components, data fetching and caching, and diagnosing performance bottlenecks in a data-heavy application.
You should ideally have:
- Strong TypeScript and Node.js experience.
- Extensive experience working with NextJS and developing performant APIs.
- Good practices around testing, security, error handling and maintainability.
- Experience with modern authentication systems, such as Better Auth, NextAuth, or providers such as Cognito.
- Be comfortable with relational databases and PostgreSQL, and knowledge of modern ORMs or query builders (e.g. Drizzle), or even just raw SQL.
- The confidence to work independently in an early-stage environment
We're a small, ambitious startup that values curiosity and independence, and we're looking for someone who is comfortable with ambiguity and enjoys turning loosely defined ideas into working software rather than waiting for a perfectly defined brief.
Nice to have
You don't need professional AI experience, agricultural or Earth observation experience, but we'd be especially interested if you've worked with:
- LLM APIs and AI application architectures
- RAG, embeddings and vector databases
- Tool/function calling and agents
- Structured outputs and evaluation
- Satellite imagery or remote sensing
- GIS or geospatial data
- Time-series data or computer vision
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A note on experience
We won't hire anyone who can't show us previous work they've actually built, whether that's professional projects, open-source contributions or a personal project. We'd much rather see something you've built than read two pages of buzzwords.
Why Tilth?
This isn't a role where you'll be monotonously polishing one small part of a huge product. You'll be joining a startup at an early stage, where you will have a real significant influence on the direction of the product and the company. You'll be tackling a genuinely interesting technical problem: how do we combine software, AI, satellite imagery and agricultural data to make farming better?
Location
Remote only. Applicants must already be based in the UK and eligible for PAYE employment. We are unable to offer Skilled Worker visa sponsorship for this role.
Salary
£35,000–£50,000 depending on experience.
Interested?
Please send us:
- Your CV or LinkedIn profile
- Your GitHub profile, or other evidence of work you've built
- A short description of something you've built that you're proud of
- If you've worked with AI/LLMs, tell us what you've built
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