Senior II Product Engineer

London. Posted 5 months ago

The role

You will take broad technical ownership of backend systems powering the 9fin platform. You will lead multi sprint initiatives, design distributed systems, and mentor engineers.

What you will do

Own the design and delivery of significant backend systems and services
Lead complex, multi sprint engineering initiatives
Drive scaling work by identifying bottlenecks and executing migrations
Make decisions about distributed systems concerns
Contribute to platform level discussions on service boundaries and data ownership
Run code reviews and mentor senior and mid level engineers
Partner with Product, Data Engineering, and domain experts
Improve developer experience through tooling, testing, and observability
Ramp on legacy areas of the system and execute cleanup
Use AI assisted engineering to prototype and ship code

Required qualifications

Several years operating as a senior backend engineer
Track record of leading technical initiatives end to end across a product domain
Experience contributing to the design of distributed systems in production
Track record of solving scaling problems
Experience designing and operating event driven architectures in production
Strong design skills around APIs, service boundaries, and data flow
Strong Python experience
Deep working knowledge of SQL and relational data modelling
Excellent collaboration and communication skills
Strong product and customer mindset
High bar for code quality, testability, and operational maturity

Nice to have

Experience working on complex permissioning or access control systems
Experience with end to end document management systems
Experience modernising legacy systems and migrating workloads
Experience with a data pipeline orchestrator
Experience working at AI startups

Benefits

Competitive Salary
Pension (minimum 4% with 9fin matching up to 7%)
Private Medical Insurance
Paid sick leave with Income Protection
Group Life Assurance
Season Ticket Loan
Cycle to Work schemes
25 holiday days per year
Local public holidays
Work abroad for up to 3 months a year
1 month paid sabbatical after 5 years of service
Enhanced parental leave and flexible working arrangements

About the company

9fin is the AI platform powering global debt markets. It replaces broken infrastructure with a single platform that centralises proprietary credit data, deep analysis, and high-value workflows.