Frontend Engineer in Slough

About Outpost

What if going global was as simple as going local? Outpost is building the AI global trade engine. The accumulated knowledge of every rule you need to sell internationally, turned into infrastructure. Tell us what you’re selling. We’ll tell you how to sell it everywhere. We operate as Merchant of Record or Tax of Record across 58+ tax jurisdictions. Full liability transfer, or just the tax layer. We do the analysis, we handle the setup, we absorb the liability. Sell anything, anywhere. Without compromise.

The Role

This is a Frontend Engineer role for someone who wants to build intuitive interfaces for complex financial operations. You’ll work directly with our engineering leadership to create the user experiences that power international commerce. Merchant dashboards, payment flows, tax compliance tools, transaction monitoring, and AI-powered analysis interfaces. You’ll make complexity feel simple. We believe great design is as much about what you leave out as what you put in. A well-designed interface should feel inevitable, where every element has earned its place and complexity is made manageable through thoughtful design. This isn’t just about building beautiful interfaces. You’ll tackle challenges like displaying real-time payment flows, building tax compliance tools, and developing merchant analytics. You’ll also explore how emerging technologies can enhance our platform, from AI-powered insights to advanced reporting.

What You’ll Get

Yes, the work is intense. But in return, you’ll build the interfaces for critical financial infrastructure handling hundreds of millions in volume. You’ll have significant input into product and technical direction, work with a small team of experienced engineers, and shape how merchants experience global commerce. If you want to go deep on fintech product design and frontend architecture, this is the role.

What You’ll Build

• Modern, responsive merchant dashboard
• Complex financial workflows and payment interfaces
• Tax compliance and reporting tools
• Transaction monitoring and risk management interfaces
• AI-powered transaction analysis and compliance tools
• Integrations with major e-commerce platforms
• A best in class developer experience

What You’ll Do

• Contribute to frontend architecture and development
• Build scalable, maintainable React applications
• Establish frontend best practices and coding standards
• Drive technical decisions for user interface components

• Create intuitive interfaces for complex financial operations
• Design and implement responsive, cross-browser solutions
• Build performance-optimized web applications
• Develop reusable component libraries
• Integrate with backend services and APIs

• Lead development of AI-enhanced user interfaces
• Build tools for transaction analysis and insights
• Create interfaces for automated tax compliance
• Develop merchant self-service capabilities
• Explore emerging technologies for platform enhancement

Example Projects

• Build the merchant dashboard from scratch with real-time transaction monitoring
• Create the tax compliance interface that makes multi-jurisdiction filings feel simple
• Design and implement payment flow visualizations that surface issues instantly
• Build AI-powered tools for transaction analysis and anomaly detection
• Create the integration setup experience for Shopify and other e-commerce platforms
• Develop the self-service onboarding flow that gets merchants live faster
• Build a component library that accelerates future product development

What We’re Looking For

Ideal background:

• TypeScript with strong typing practices and type modeling
• React with functional components, hooks, context, routing
• Modular declarative code that prioritises readability and reusability
• Track record of building complex web applications
• Understanding of UI/UX best practices
• Comfortable using LLMs and LLM-powered IDEs to scaffold, refactor, and prototype

Bonus:

• Prior exposure to frontend platform work: design systems, code generation, testing frameworks
• Experience building internal tools or dashboards
• Design sensibility or experience collaborating closely with designers
• Fintech and compliance experience
• Familiarity with LLM agent frameworks or tools like v0, Lovable
• Understanding of cross-border commerce
• E-commerce or SaaS experience

Signals we care about:

• You build interfaces that make complex things feel simple
• You care about the details that make a product feel polished
• You’re comfortable with ambiguity and figuring things out
• You contribute to product discussions, not just implement specs
• You want to build from scratch, not maintain existing systems
• Bias for action. You ship, you learn, you iterate

What this role is not:

• Not maintaining existing systems. You’ll build from scratch
• Not a role where you wait to be told what to do
• Not someone who needs heavy process or detailed specs to be effective
• Not pure execution without input into product direction

Why This Role Is Different

Most frontend roles are about building features on top of existing products. This role is about creating the entire user experience for complex financial infrastructure. You’ll design how merchants interact with payments, tax compliance, and global commerce. You’ll explore how AI can enhance these interfaces. You’ll have real input into what we build and how it works. If you’re excited about building complex financial interfaces and exploring innovative solutions in international commerce, this is the role.

Outpost Team

Our team were leaders at Revolut, Airwallex, Adyen and Wayflyer, and we’re backed by top-tier investors who have built or backed some of the world’s leading fintechs.

What We Offer

• Equity and salary in a well-funded startup
• Ability to own your work and move fast
• Direct access to the founding team
• A global mission with real impact
• Low politics, high output
• A culture of builders, not talkers

Working Style

We work together in person in London or Amsterdam. We believe the hardest problems are solved in the room.

Learn More

emile@outpostnow.com

Outpost Culture: Outpost Culture

Outpost founder: Little Goat Labs

Outpost is where the hard problems are. If you want to build the interfaces for global commerce infrastructure, we’d love to hear from you.