Bloc Recruitment
Back End Developer
Requirements
Requires 5-15 years of experience as a backend engineer with expertise in Python and database management. Candidates should be comfortable working in a fast-paced, high-ownership environment alongside founders.
Job Description
Senior Backend Engineer (Python)
Build the infrastructure behind AI-powered private markets intelligence
Salary: £100K–£160K base + £30-40K+ bonus + ESOP
London Office or Remote UK/Europe |Series A, VC-backed
Sponsorship available
We're working with a fast-growing, profitable data intelligence platform used by 300+ leading VC and PE firms to source, evaluate, and win deals in private markets. The team has raised $10M, sits at 30 people, and is scaling its engineering org from 7 to 30+ this is a ground-floor opportunity to shape the backend and AI infrastructure from here.
They're hiring a Senior Backend Engineer (5-15 years' experience) to build the production infrastructure powering their agentic AI capabilities — a hands-on IC role working directly alongside the founders, with real ownership and zero bureaucracy.
What you'll be doing
- Build and ship production-grade backend services and APIs in Python and FastAPI powering AI-driven features
- Develop the infrastructure and orchestration layer for agentic AI capabilities
- Work closely with Postgres and ClickHouse to enable intelligent data retrieval and AI-driven analysis
- Mentor teammates and shape engineering best practices as the team scales
Tech stack: Python, FastAPI, PostgreSQL, ClickHouse, SQL, LLMs (OpenAI, Anthropic), Embeddings/Vector DBs
Reasons to be interested
- Building the "Bloomberg" of private markets: delivering real-time data and AI-driven insights that 300+ leading VC and PE firms use daily to discover and invest in top companies.
- Join a small, fast-moving team (6 people) shipping production AI features at pace. You'll work directly with the founders and have outsized impact building agentic capabilities on top of industry-leading data.
- Senior Backend Engineer role, £100k–£160k base + sizable annual bonus (£30–40k+) + ESOP after 6–9 months. London (in-office) or remote across Europe.
Interview process
Initial Screen (30 minutes)
Take-Home Coding Exercise (2-3 hours)
Technical Interview with Engineering Team (1 hour)
Final Interview (45 minutes)
This is a rare window to join a small, technical, hustle-driven team at an inflection point, where your backend work will directly define the next generation of AI-powered investment tools.
Skills
About Bloc Recruitment
With over 10 years industry experience, we're driven to helping companies build their own technology teams, with diversity in mind. Why? because we strongly believe that representation matters across all walks of life and genuinely believe this forms the basis of a strong inclusive team dynamic. With a focus across software development, we want to understand what the goals and ambitions of your business are and provide you with the right talent, in the right way and at the right time. Bloc Recruitment offer the following services Retained and Executive search Flexible payment plans for Start-up and Scaleups Access to Inclusive advert writing software D&I training and workshops Investor network