(Senior) Full-Stack Engineer

Who you are

• To thrive in our Platform Core team, you combine a love for building excellent UIs with the ability to work confidently across the stack and a pragmatic, product-first mindset. You're a strong communicator, a team player, and someone who thrives in a growing, fast-paced environment where asking "why" is encouraged
• Have 5+ years (Senior) of experience building product applications across the stack, with clear frontend depth
• Are fluent in TypeScript, comfortable with modern frontend frameworks, and able to contribute to Node.js backend services
• Have experience working with Design Systems
• For Senior: also experience building or maintaining custom ones
• Are familiar with unit and E2E testing (Vitest, Playwright, or equivalents)
• Understand UI/UX principles and care about building elegant, accessible, and usable interfaces
• Can operate in ambiguity and turn loosely defined ideas into working software
• Have experience in a startup or scaleup environment
• Previous exposure to fintech or highly regulated domains
• Experience with zod (or any other form validation tools)
• Worked with data visualisations (e.g., tables, charts)

What the job involves

• You’ll join our Platform team as a Full Stack Engineer with a frontend focus, building the foundational product experiences and services that power bunch. We’re looking for someone who sees product development as a craft - a blend of technical excellence, user-centered thinking, and cross-functional collaboration
• Whether you’re shaping frontend architecture, contributing to backend services, maintaining our Design System, or implementing features end to end, your work will have a direct impact on thousands of users managing billions in assets. We offer you freedom and ownership to build the right solutions and influence the product roadmap
• Build robust, scalable, and well-tested full-stack product features, with a strong focus on frontend quality, using modern frameworks and our in-house Design System
• Collaborate with PMs, Designers, QAs, and Engineers in the Platform Core team to ship high-quality features quickly
• Contribute to and evolve our frontend architecture, backend services, tooling, and design system
• Ensure a great developer experience and continuously improve performance, reliability, and maintainability across the stack
• Write meaningful unit and E2E tests
• Actively shape product solutions by participating in discovery, feedback rounds, and design critiques
• If you're applying as a Senior:
• Take ownership across the stack, with particular depth in the frontend domain, and influence platform-wide decisions
• Drive alignment between design and development, and collaborate on challenging UX cases
• Own and evolve our in-house Design System alongside the design team
• Guide the team in architecture and performance decisions
• Mentor and support other engineers
• Frontend: Svelte + SvelteKit but moving towards React + TanStack, TypeScript, MeltUI (headless components) but moving towards Shadcn, Felte + zod
• Testing: Vitest (unit), Playwright (E2E)
• Design System: Custom-built (MeltUI)
• Backend: Node.js, NestJS, MySQL, Sequelize
• Infrastructure: Kubernetes (K8S) on top of AWS

The application process

• First interview with the People team (30 min): get acquainted with bunch and to understand if what we’re offering is what you’re searching for
• Hiring Manager Interview (60 min): this conversation with an Engineering Manager will cover product-focused culture and values, including collaboration, ownership, self-awareness, and quality standards
• Technical Interview (60 min): this interview in the form of a technical conversation with two engineers will focus on collaborative problem-solving, starting with open-ended questions and progressing to more specific challenges or short algorithm tasks
• Final Round: Meet our VP of Engineering (45 min): learn about ways of working, vision for bunch, and team culture

Benefits

• Benefit from working with a diverse mix of talents, unrivalled energy and team spirit within a culture of inclusion
• Flexible hours, remote work, and 28 days of vacation per year
• Additional benefits in the areas of mobility, food, education, and health