Software Engineer

The Wave; Greater London; Hybrid; GBP 90,000 - 120,000; Full time

Benefits offered by this job

Paid sick leave with Income Protection

Season Ticket Loan & Cycle to Work

Job summary

The Wave is seeking a senior backend engineer to own hands-on implementation in a Python-led stack (FastAPI/Flask) with PostgreSQL and AWS serverless. You will design scalable systems, build data pipelines and mentor teammates within a cross-functional squad.

You will operate in a hybrid setup with Central London offices and a compensation up to £120k for Senior level, plus comprehensive company benefits.

Qualifications

• Senior individual contributor shaping technical direction while remaining hands-on.
• Experience designing systems, data pipelines and real-time workflows.
• Mentoring others and collaborating across cross-functional squads.

Responsibilities

• Design and implement systems in Python using FastAPI/Flask.
• Lead backend data modeling and real-time data pipelines.
• Collaborate with product, data and domain experts; improve developer experience.

Skills

Python

FastAPI

Flask

PostgreSQL

AWS

Serverless

Tools

AWS Lambda

Job description

I'm working on a genuinely interesting product focused engineering role with a fast growing AI driven data platform operating in one of the largest global financial markets. This is not a maintenance heavy environment. The team are building real systems from scratch APIs data pipelines automation and ML driven features that directly influence how customers make high value decisions. The role sits within a strong cross functional squad where engineers collaborate closely with product data and domain experts. You would be contributing as a senior individual contributor designing systems mentoring others and shaping technical direction while still staying hands on with code. Tech wise the environment is heavily Python led with FastAPI and Flask strong typing PostgreSQL at the core and AWS serverless across the platform. Plenty of greenfield thinking around developer experience automation and scalable architecture.

What I like about this team

• Real product ownership and autonomy
• Complex backend challenges around data modelling and real time workflows
• Engineers who enjoy solving problems not just shipping tickets
• Hybrid working with a strong collaborative culture

Hybrid working - 1/2 days per week in their Central London office Mid - Up to £90k Senior - Up to £120k Company Benefits

• Paid sick leave with Income Protection for long periods of illness
• Season Ticket Loan & Cycle to Work schemes