Sr Front End Engineer

Join Zepz: Breaking Down Borders, Together

Our Meaningful Mission

At Zepz, we're all about breaking down barriers for our customers and our teammates. Our purpose is deeply personal, we provide a lifeline and deliver opportunities to cross-border communities that need it most through cutting edge finance and tech.

Zepz is the power behind WorldRemit and Sendwave, driven by the mission to celebrate the incredible impact migrants have, both at home and abroad. We're not just moving money; we're building a world that truly recognizes and supports global connections.

Who You'll Be Joining

We look for mission-driven builders who thrive in a fast-paced environment connected to a true purpose. We’re an always developing team of experts that enjoy problem solving and bring clarity to tough challenges. At Zepz, we are Relentless Learners, always seeking feedback, and Responsible Owners, treating company resources like your own. We depend on Transparent Communicators who keep the team aligned through open, honest talk.

Our Core Commitments — What We Live By

• Integrity: We always do the right thing. It’s simple, but it’s the foundation of everything we build for our customers and each other.
• Outcomes: We work for our customers. Their success and prosperity are the results we focus on delivering.
• Velocity: We are fast! We maintain high energy levels and make smart decisions quickly, keeping us nimble and ahead of the curve.

Perks of Joining Our Team

We believe in empowering colleagues because we genuinely trust our team. Our culture is founded on this high trust, which naturally encourages the high ownership that drives us to meet our shared high expectations and deliver high performance. While we have all the tools to work remotely, we value the purpose and benefits of in-person connections so we expect our teams to come to the office on a regular basis, and therefore be within a comfortable commutable distance from our London office. Alongside a great office environment, think unlimited annual leave , great healthcare benefits, and employee discounts. We want you to thrive and focus entirely on making your biggest impact! In turn, we expect you to bring high ownership and commitment to your work. This is a place where we value trust and high performance, and we'll provide the environment and support needed for you to excel.

• unlimited annual leave
• great healthcare benefits
• employee discounts

About the role and team

Zepz's Identity engineering teams sit at the front door of the product: the first thing every customer touches, and the first line of defence for a high growth, cross-border remittance business. We're looking for a Senior Mobile Engineer to help us build the React Native experiences that carry millions of customers through onboarding and identity verification every year.

You'll work alongside engineering managers, staff engineers, and cross-functional partners in product, design, and compliance to raise the technical bar on our mobile frontend, architecture, test coverage, CI/CD, and release practice, while shipping features customers depend on to move money safely.

What you bring to the table

• Professional experience building production mobile applications, with deep, hands‑on expertise in React Native.
• Strong command of modern JavaScript/TypeScript, component architecture, and state management at scale.
• A rigorous approach to testing, unit, integration, and end‑to‑end with genuine ownership of CI/CD pipelines, not just code that passes through them.
• Experience in a regulated or high‑compliance environment (fintech, healthtech, or similar), with an instinct for the extra care that customer onboarding and identity verification flows demand.
• A track record of owning deployments end‑to‑end: monitoring, feature flagging, phased rollouts, and rollback plans.
• Clear, structured written communication, you can write a design doc or a post‑mortem that stakeholders across the business can actually follow.
• Comfort operating with moderate ambiguity and driving a problem to resolution with minimal hand‑holding.
• What you will focus on
• Own delivery of team‑level features end‑to‑end on our React Native identity flows, from technical design through to production monitoring.
• Collaborate directly with Product and Design to shape technical approach and surface risk early, rather than working from fully‑specified tickets.
• Raise the quality bar: strengthen test coverage, tighten CI/CD, and help bring down change‑failure rate across the team's codebase.
• Navigate a fragmented stack and legacy constraints pragmatically, know when to fix, when to work around, and when to elevate.
• Partner with compliance and risk stakeholders so mobile changes meet regulatory expectations, not just product ones.

Nice to have / bonus points if you have

• Exposure to native iOS (Swift) or Android (Kotlin), enough to read, debug, or occasionally patch the native modules React Native leans on.
• Experience in remittance, payments, or other cross‑border fintech.
• Experience operating under external regulatory oversight (FCA, KYC/AML frameworks, PCI, or equivalent).

AI Literacy & Tools

• A genuine curiosity about AI and how it can be applied in your area of work — from accelerating analysis and insight generation, to improving how we design and deliver processes and communications.
• Practical experience using AI tools in a professional context — whether to connect information, draft content, build frameworks, or create insights from data. We want people who actively use AI to increase productivity, not those who are waiting to be told to.
• Strong AI literacy — an understanding of what AI assistants can and cannot do, how to prompt effectively, and how to critically evaluate AI‑generated output before using it.
• Awareness of the ethical considerations and responsible use of AI in the workplace, particularly in the context of sensitive data, customer experience, and compliance.
• Prior experience using Claude (Anthropic) is a nice‑to‑have but not essential — what matters most is that you are genuinely engaged with AI as a tool, comfortable experimenting, and eager to share what works with your wider team

If you want to join us in our journey to help break barriers in financial access and improve lives globally, there's no better place or time to join.

Our global team of800+ people is spread across six continents. We aspire to hire the best mix of people from former Olympians to YouTube influencers and we speak over twenty languages. This incredible diversity isn't a bonus; it's the engine that lets us serve the world.

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