Senior Fullstack Engineer in England

At Capi
, we help businesses in emerging markets pay their international suppliers – simply, quickly, and fairly.
Backed by $18M+ from top-tier investors like Creandum, Y Combinator, General Catalyst, and angels from Revolut, Checkout, Stripe, and Remitly, we\’re building the financial infrastructure that emerging markets deserve.
Founded by Mitch Riley, Scott Liddle, and Tom Watson – ex-Taptap Send leaders with deep experience across growth, finance, and emerging markets – Capi is on a mission to boost GDP in developing economies.
By making global trade smoother and more accessible, we help local businesses grow faster, hire more people, and power prosperity across their communities.
Our mission is to grow GDP in emerging markets by making the global financial system fairer and more accessible.
We\’re tackling global trade, making it easier for importers to pay their international suppliers.
Our platform enables businesses to expand rapidly, create jobs, and be engines of prosperity for their countries.
Our team is made up of approx 60 people across 12 countries; we are a group of a highly-ambitious, get-it-done people, who like to work hard on something that has a tangible impact in the world.
And we\’re looking for more people to join our team
Take a look through Capi\’s mission & values.
Role Overview
You\’ll join a small, high-performing team of engineers and product leaders shaping how we scale our platform and our impact.
From your first day, you will have the opportunity to work closely with the founding team based across London & Paris to shape the product vision and all parts of our technical architecture.
As we scale our products and deepen our presence across emerging markets, 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 that balances impact, effort, and delight.
Key Responsibilities
Delivery
Contribute to the product process from end-to-end, from ideation to building the UI, backend logic, deployment, feedback and measurement
Communicate internally and externally about new features, be it collecting feedback pre-implementation or explaining them on launch
Define and manage delivery milestones, ensuring alignment between engineering and product priorities
Technical
Build intuitive and performant web interfaces for business owners in Africa
Implement IT security and data protection best practices in a regulated environment
Proactively drive architectural decisions e.g., improving scalability, observability, and modularity of the codebase
Champion code quality through robust testing, documentation, and reviews
Operational
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.
Including handling production incidents with confidence
Leadership
Mentor junior engineers and contribute to their professional growth through pairing, reviews, and feedback
Represent engineering in cross-functional discussions (including Finance, Operations, Senior Leadership) to help translate business goals into technical plans
Set and uphold team standards for communication, collaboration, and technical excellence
Culture
Communicate internally and externally about new features, be it collecting feedback pre-implementation or explaining them on launch
Requirements
Our tech stack: Typescript, React, NextJS, NodeJS, Express, PostgreSQL
A product mindset is core to how we build – everyone at Capi is encouraged to think about the customer, the business, and the long-term impact of what we ship.
A strong understanding of web development, frontend and backend best practices.
While mainly working with JavaScript technologies
Experience in a VC-backed or high-growth engineering team and building products used by customers.
You are 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
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
Based in London or Paris
Bonus points if you:
Speak and write in French & English
Experience in Fintech, payments, wallets or building ledgers
Expertise in security and data protection best practices needed in a FCA regulated business
Some projects the team has been working on:
Automated payouts and AI invoice approval
Onboarding +