Prism Digital
Python Developer
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Backend Engineer | Python, AWS, Postgres | Profitable Market Intelligence SaaS
Salary: £45,000 - £60,000
Location: hybrid, 3 days a week in central London
Degree: computer science, maths or a science subject from a Russell Group university
UK right to work required
I'm working with a self-funded market intelligence business in London who are hiring a Backend Engineer to build the APIs their biggest clients plug straight into. Their SaaS platform spots market-moving events early, so clients can act before the news is widely reported.
It's a small, profitable team. You'll work in Python, Postgres and AWS, sitting next to the co-founder three days a week, with the room and the backing to lead how the whole business uses AI.
What They're Looking For (Non-Negotiables)
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- Python: six months to three years of commercial backend experience
- APIs: building and consuming them
- SQL and relational data modelling
- AI tooling: Claude, Copilot, Cursor or similar in your daily work
- You'll bring ideas on tooling and process, and you'll push for them
- You're keen to learn and open to feedback from senior engineers
What You'll Work With
- PostgreSQL
- Amazon Web Services (AWS)
- Claude API
- Data pipelines: fetching external data and building tables
- React, alongside the full-stack engineers
Nice to Haves
- Trading, pricing or market data experience
- Financial data feeds
- LLM features in production, beyond coding assistants
Why Join / Projects
- Your first project is connecting the platform directly to clients through APIs, starting with their trading clients. The client list runs from financial institutions to well-known consumer brands.
- You'll own AI for the business, finding uses well beyond engineering and championing them across the company.
- You'll have the co-founder's ear, with the freedom to recommend and make changes to tooling and direction.
- You'll learn from two senior full-stack engineers, one alongside you in the office.
- The business is self-funded and profitable, so you're building on solid ground.
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Employee Benefits
- Salary review every Q1
- 25 days paid holiday
- NEST pension
- No overtime culture
It's a two-stage interview process and they're moving quickly, so apply and I'll give you a call.
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Jessica, London
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