Backend (Polyglot) Developer
Winnow
Posted
Feb 20, 2026
Location
UK
Type
Full-time
Mission
What you will drive
Key responsibilities:
- Creating technical designs
- Writing reusable, testable, and efficient code
- Implementing automated tests
- Deploying, monitoring, and maintaining the production system and edge devices
Impact
The difference you'll make
You will love what you do – waking up every day solving one of the biggest social problems of our generation - food waste. Winnow's clients on average reduce waste by over 50% by value and sustain savings, representing a typical improvement of food cost savings of 3% to 8%, commonly a 40%+ increase in profitability for operations.
Profile
What makes you a great fit
Requirements:
- Experience with using a modern programming language for backend development on a daily basis during a solid stint of your professional career
- Interest to learn and work in multiple languages (Go, Python, Java)
- Interest to explore the low level hardware and software concerns on the edge device
- Nice to have: Experience with relational databases and SQL queries (ideally PostgreSQL), basic understanding of front-end technologies, experience with AWS, experience with Groovy and Jenkins Pipelines
Benefits
What's in it for you
- Competitive base salary
- Company stock options package
- Matching pension scheme
- 2 Wellness hours per month plus a £48 gross monthly wellness allowance
- 25 days of paid vacation time in addition to national holidays, plus the option to buy a further 5 days annual leave
- Company part-funded private health insurance and eyecare allowance
- Life insurance (3 times base salary)
- Employee Assistance Programme - 24/7 helpline for your wellbeing
- Learning and development allowance of £300 annually
- Cycle to work scheme
- Hybrid way of working - we're all in the office on Tuesdays and Thursdays
- Company provided breakfast & snacks on office days
- Early Finish Fridays - log off at 3 PM on a Friday if you have completed your tasks
- Central London office space with a great working environment
About
Inside Winnow
Winnow was founded in London in 2013 to help the hospitality industry prevent food waste through internet of things tools in the kitchen. The company believes that food is far too valuable to waste, and that technology can transform the way we produce food.