Capi Money

Principal Fullstack Engineer

Company
Location
London Area, United Kingdom
Posted At
8/11/2025
Description

As an early engineering hire at a fast-growing Series A-stage fintech you will have the opportunity to work closely with the founding team to shape the product vision and all parts of our technical architecture. This is a role that builds technology to solve customer problems; to do that you must have empathy and curiosity to get to the root cause of the issue and the creativity to build a solution which balances impact, effort and delight.


Key responsibilities:

  • Contribute to the product process from end-to-end, from ideation to building the UI, backend logic, deployment, feedback and measurement
  • Build intuitive and performant web interfaces for business owners in Africa
  • Implement IT security and data protection best practices in a regulated environment
  • Observe opportunities for improvements internally to help automate our non-tech processes and add to our tech best practices to improve our output and efficiency
  • Communicate internally and externally about new features, be it collecting feedback pre-implementation or explaining them on launch


Some projects we’ve worked on in the past:

  • WhatsApp bot that creates quotes for customers based on their responses
  • Self-serve onboarding flow that collects company information and KYC documents from customers
  • Asynchronous workers that OCR invoices
  • Internal tooling to manage and process millions of dollars of transactions


Our stack is: TypeScript, React, NextJS, NodeJS, Express, PostgreSQL


Requirements:

  • Experience in a fast paced engineering team and building products used by customers
  • A strong understanding of web development, frontend and backend best practices
  • Excellent written and verbal communication skills for expressing ideas, designs, and potential solutions with both technical and non-technical team members and customers
  • You care about our mission and solving the problems faced by African businesses
  • Comfortable working in an early-stage startup environment with high pace, rapid growth, involvement in the entire product development process and a high degree of ambiguity


Nice to Haves:

  • French speaking
  • Experience in Fintech and/or emerging markets
  • Expertise in security and data protection best practices


Additional information:

  • This is a full-time position with competitive salary, share options, and benefits
  • Start date: Immediately (with flexibility)
  • Capi is an equal opportunity employer and welcomes candidates from diverse backgrounds


Company Benefits

  • 25 days of annual + bank holidays
  • 4 weeks of work from anywhere in the world
  • Hardware provided - MacBook, monitor etc
  • Pension Scheme
  • Equity / Shares in Capi
  • Private health and medical insurance
  • Enhanced maternity and paternity leave
  • Regular company socials and offsite retreats
  • Weekly team lunches paid by Capi
  • Travel across our international offices
  • WeWork Office - near Old Street (includes pass, free coffee/beer, amenities and kitchen facilities)


Interview Process

  • Introdcution call - 30 mins
  • Techncial deep dive w Head of Product - 1 hr
  • System Design itw - 1 hr
  • Founders chat - 20 mins
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Principal Fullstack Engineer | Capi Money | Hunt UK Visa Sponsors