Lead Software Engineer

Company: Trust In SODA
Apply for the Lead Software Engineer
Location: Greater London
Job Description:

We aren’t just building another FinTech, we are building a high-scale intelligence engine that has already deployed billions in capital.

Most platforms treat customers as static data points. We are building a system that treats them as a living entity. We’re looking for a Tech Lead to own the Retention & Intelligence domain—the architectural heart of the business where real-time data meets sophisticated financial decisioning.

The Challenge: Beyond Transactions

The “first-time” transaction is easy. The “Returning Customer” journey is where the real engineering happens. Your mission is to move our core decisioning engine from basic logic to an intelligent, model-driven architecture. You will be responsible for a platform that generates bespoke, high-stakes financial offers in milliseconds, automating credit assessments for the global small business economy.

The Role: Architecture, Leadership, Legacy

  • Technical Blueprint: You will be the primary architect for our Retention systems. You’ll decide how we bridge the gap between Data Science models and production-ready Python services.
  • Talent Density: You’ll lead a high-performing squad of three, acting as a force-multiplier. We value “Lead by example”—you’ll stay close to the code while defining the standards for the wider org.
  • Product Influence: You won’t just receive requirements; you will shape the product. Working at the intersection of Data and Design, you’ll define what a “frictionless” financial experience looks like.
  • Systems Excellence: You’ll champion a culture of event-driven models, high-concurrency, and “clean” system design that scales with our explosive growth.

Your Experience

  • The Architect’s Eye: You’ve seen what happens when systems hit massive scale, and you know how to build them to last.
  • Technical Mastery: Tech agnostic (we’re using Python)

If this sounds like the right challenge for you, let’s talk.

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Posted: March 11th, 2026