(Senior) Full-Stack Engineer | Frontend-leaning | Platform Team | Remote Spain

bunch; España; A distancia; EUR 60.000 - 90.000; Jornada completa

Ventajas ofrecidas por este puesto de trabajo

Competitive salary plus equity

Remote setup with Berlin trips

Generous vacation and benefits package

Descripción de la vacante

bunch is hiring a Full Stack Engineer with a frontend focus for its Platform Core team. You’ll build foundational product experiences, shaping frontend architecture and collaborating across PMs, Designers, QAs, and Engineers to deliver end-to-end features.

With 5+ years of experience, you’ll drive frontend depth, work with TypeScript and Design Systems, and mentor others. The role offers a remote setup with quarterly Berlin travel and a competitive equity package.

Formación

• 5+ years of experience building product applications across the stack with frontend depth.
• Fluent TypeScript and ability to contribute to Node.js backend services.
• Experience with Design Systems and, for Senior, building or maintaining custom ones.
• Familiar with unit and E2E testing (Vitest, Playwright or equivalents).
• Understand UI/UX principles and build accessible, usable interfaces.
• Able to operate in ambiguity and turn ideas into working software.
• Experience in startup or scaleup environments.

Responsabilidades

• Build robust, scalable full-stack features with a frontend focus using modern frameworks and the Design System.
• Collaborate with PMs, Designers, QAs, and Engineers to ship high-quality features quickly.
• Contribute to frontend architecture, backend services, tooling and design system.
• Improve performance, reliability, and maintainability across the stack.
• Write meaningful unit and E2E tests; participate in discovery and design critiques.
• Own frontend depth and influence platform-wide decisions when senior.

Conocimientos

Frontend depth

TypeScript

React

Design Systems

Node.js backend

Testing

Herramientas

Svelte

SvelteKit

React

TanStack

MeltUI

Zod

Vitest

Playwright

NestJS

MySQL

Kubernetes

AWS

Descripción del empleo

bunch is building the backbone of private markets. We are enabling next-gen fund operations with one integrated system that combines secure data infrastructure, AI-powered workflows and expert fund services. If you value ownership, growth through real responsibility, and working with a thoughtful, ambitious team, this role might be for you.

Your role

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.

Top responsibilities

• 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

About You

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.

You...

• 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

Nice to have:

• 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)

Our tech stack

• 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

Workplace & Benefits

• Competitive salary plus equity

• Customizable benefits package (wellbeing, sport, mobility, food, and more)

• 28 days of vacation, plus 2 company days and local public holidays

• Remote Setup with trip to Berlin (on average on a quarterly basis)

• A great tech and work setup

• Work with a diverse team of 130+ bunchies from 40+ countries, with leaders who are best-in-class in their domains

Interview 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.

About bunch

bunch is building the operating infrastructure for the next generation of private markets. We combine AI-powered automation with deep regulatory expertise to replace fragmented spreadsheets and manual processes with one integrated platform across the fund lifecycle, purpose-built for private markets heading toward $32 trillion in Assets Under Management.

We've 4x our ARR in 2025, crossed 150 fund managers and 12,000 LPs on the platform, and just closed our $35M Series B in May 2026. We're looking for ambitious people who want real ownership of hard problems, and who care about building infrastructure that actually matters to the people using it.

At bunch, we're committed to an inclusive environment where diversity is valued and celebrated. We provide equal opportunities to all qualified applicants.

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