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Job listing

Remote (United Kingdom)£60k-£80k + Equity

Full Stack Engineer at Fast-growing fintech SaaS

Are you a pragmatic engineer who views code as a tool to solve real human problems? Join a high-performing team of five as a Full Stack Engineer at a well-funded fintech SaaS that is transforming the rental industry. This remote-first role offers the unique opportunity to own product features from conception to deployment, utilizing a modern stack including React, Node.js, and generative AI tools. If you are ready to make a tangible impact on a scaling platform while enjoying a supportive, no-politics culture and competitive equity, this is the perfect career move. Mention 'penguin' to show your attention to detail!

Overview

Role overview

Join a lean product team at a pivotal growth stage to build innovative financial tools for the rental market. As the sixth member of the team, you will influence technical direction, ship end-to-end features, and leverage generative AI tools to drive customer value in a remote-first, agile environment focused on high-impact delivery.

Company

About the company

Fast-growing fintech SaaS

Responsibilities

What you will do

  • Define, design, and implement new product features across the full stack using modern frameworks like Remix and Nest.js.
  • Collaborate directly with internal stakeholders and customers to solve complex technical problems and iterate based on real-world data.
  • Integrate generative AI coding tools into your workflow to accelerate delivery and maintain high technical standards for the codebase.

Candidate profile

Who this is a fit for

  • At least 3 years of commercial experience with JavaScript and building robust backend REST APIs in a production environment.
  • Proven track record of shipping end-to-end features that drive measurable business KPIs while maintaining clean, maintainable code.
  • A proactive, value-driven mindset with the desire to work autonomously in a remote-first team while embracing agile feedback loops.

What makes it remarkable

Why this role is remarkable

  • High-impact ownership as the sixth member of a growing product team where your decisions directly shape the platform's architectural future.
  • Join a stable, well-funded fintech that prioritizes sustainable growth and pragmatic engineering over hype, backed by an established business model.
  • Remote-first culture that balances autonomy with meaningful monthly in-person connections and a generous professional development and equipment budget.

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How Jack & Jill work together

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