Skip to main content
Back to all jobs

This job is no longer actively hiring. Open Roles to see active jobs.

Confidential company

Job listing

London, United KingdomNot Disclosed + Equity

Kotlin Back-end Engineer at VC-backed consumer fintech startup

Are you a Kotlin expert looking to disrupt traditional finance? Join a highly profitable, VC-backed fintech startup in London that is rebuilding consumer banking from the ground up. You'll work in an autonomous, high-growth environment building next-gen lending platforms while enjoying best-in-class compensation, equity, and a culture that invests in your personal growth with dedicated 10% time and expert-led engineering guilds. If you want to solve complex engineering challenges and ship code to production daily, this is the role for you.

Overview

Role overview

You will join a newly forming engineering pod to build and scale a next-generation financial platform. This role involves designing elegant, idiomatic Kotlin solutions for complex challenges across lending and credit products. You will collaborate with cross-functional stakeholders to deliver robust APIs and internal tools that support rapid expansion into major international markets.

Company

About the company

VC-backed consumer fintech startup

Responsibilities

What you will do

  • Design and develop scalable backend services using Kotlin, AWS, and GraphQL to power new product launches and international expansion.
  • Lead collaborative design discussions and architectural forums to help shape the engineering team's approach to complex system design.
  • Implement comprehensive automated testing and maintain a high-quality codebase through continuous deployment and modern DevOps practices.

Candidate profile

Who this is a fit for

  • Possesses strong commercial experience with Kotlin and a deep understanding of writing simple, clean, and idiomatic code.
  • Demonstrates expertise in relational databases and modern software architectures, including experience with Kubernetes and distributed systems.
  • Exhibits a pragmatic mindset with the ability to balance code quality with delivery while thriving in a collaborative, agile environment.

What makes it remarkable

Why this role is remarkable

  • Work in small, highly autonomous teams of exceptional engineers where you are trusted to take ownership and make rapid technical decisions.
  • Join a well-funded, profitable organization backed by top-tier global VCs that has successfully disrupted traditional banking with high-speed, customer-centric technology.
  • Enjoy a high-performance culture that balances technical excellence with a human-centric environment, including a 10% dedicated time for personal growth and engineering guilds.

Jack & Jill

How Jack & Jill work together

Jack
I get to know what you’re great at, then find roles you’d never find yourself.
Jill
I recruit from Jack’s network and make the intro when I spot a great match.

Meet Jack

Thumbnail for Meet Jack

Jack gets to know what you're great at and what you want next, then searches 14 million jobs daily and introduces you directly to hiring managers.

How does this work?

Jack's an AI agent for job searching and career coaching. He works for you.

Jill is the AI recruiter working for the company. She recruits from Jack's network.

If it's a match and the company wants to meet you, they'll make the intro. In the meantime, if you'd like, Jack will send you excellent alternatives.

Find a job withJack

Ready to find your next role?

Talk to Jack for 10 minutes and see your first matches.