Senior Frontend Engineer

About the Company

Capi helps businesses in Africa pay their international suppliers quickly and efficiently. Capi started with Y-Combinator Summer 2023 program, coming out of it successfully and since then we’ve raised over $18m across Seed and Series A (Q4 2024) and are on a fast growth trajectory globally with almost 80 people; we’ve recently hit a milestone as we crossed $1BN in annualized volume and $10m in annualized revenue for the first time! Working with SMEs in Africa is opening the door for us to have an economical impact on African markets by allowing businesses to pay suppliers and partners through our platform - we are currently live across Senegal, Ivory Coast, Cameroon, Kenya, and Mali, with many more coming soon. Our team is made up of approximately 75 people across 7 countries; we are a group of 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!

Role Overview

You’ll join a small, high-performing team of engineers and product leaders shaping how we scale our platform and our impact. You will have the opportunity to work closely as the founding team 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 which balances impact, effort and delight.

Key Responsibilities & work-streams you’ll own:

• Create beautiful web interfaces for business owners in Africa and interactive dashboard experiences using technologies such as React, Next.js, JavaScript, CSS
• Ensure our UI components and libraries are reliable, secure, extensible and accessible
• Collaborate with a cross-functional team of engineers, product managers, designers, and other members of the team to create a cutting-edge product
• 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:

• Automated payouts and AI invoice approval
• Onboarding + payment automation with Swift network and banking partners across the world
• Revamped Customer onboarding processes
• 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

• 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.
• Experience in a VC-backed or high-growth 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
• Based in London or Paris

Bonus if:

• French speaking
• Experience in Fintech, payments and/or emerging markets

Additional information:

This is a full-time position with competitive salary, share options, and benefits. Ideal Start date: December 2025 (we are aware that a notice period may need to be fulfilled and can adjust accordingly).

Capi is an equal opportunity employer and welcomes candidates from diverse backgrounds. We’re all about building a diverse, inclusive team at Capi. Whoever you are, we’d love to hear from you. If there’s anything you need to make the interview process easier—whether it’s accessibility support, a different format, or just a heads-up about what to expect—just let us know, we’re happy to help.