(Senior) Frontend Infrastructure & Tooling Engineer (m/f/d)

Confirmed live in the last 24 hours

Raisin

Berlin, Berlin, Germany

On-site

Posted March 30, 2026

Job Description

Raisin is the world's leading platform for savings and investment products. Founded in 2012, the FinTech connects consumers with banks in the EU, the UK and the US. This gives consumers better interest rates and banks a diversified form of refinancing. Our vision is to offer savings and investments without barriers and thus open up the global 160 trillion euro market.

Raisin currently employs more than 800 people from over 75 countries worldwide. Today, the platform holds over 80 billion euros in assets from more than one million investors which have accrued over 5 billion euros in returns.

Team

For further development and expansion of our successful business, Raisin is looking for highly motivated, smart, and driven engineers to complement our team in Berlin. As a (Senior) Frontend Infrastructure & Tooling Engineer, you will work alongside our development teams to ensure a highly automated software development life-cycle, as well as enable them to deploy modern Frontend applications to the Cloud using Continuous delivery practices. As part of our Tech Platform tribe, you will work with cutting-edge technologies and initiatives that shape the vision of our Frontend Platform, assisting our product and development teams to stay highly productive.

We are looking for someone with a strong software engineering experience, who seeks an opportunity to help other engineers solve complex problems using Platform Engineering practices. You will take full ownership of your work, from design to infrastructure, and are expected to challenge the status quo as a key work and culture component.

Your Responsibilities

As an experienced Frontend Engineer, you will be providing a significant impact on our customers’ experience with Raisin product by optimizing Frontend applications for performance and scalability
You will drive internal platform efforts, improving development tools and Frontend ecosystem according to modern principles
You will contribute to building the development infrastructure used by stream-aligned teams, and drive different automation and integration projects with regard to the latest technology
You will research, assess, develop and maintain new technology solutions for our Frontend Platform
You will provide stable automated solutions for our internal customers to speed up product testing and delivery
Nurture teams to strive for test automation and quality assurance throughout the development process
You will own, maintain and continuously evolve a large-scale Frontend monorepo, ensuring its scalability, reliability and long-term sustainability
You will own, optimise and scale the shared CI pipeline, improving build performance, stability and developer productivity across teams
Act as a “Frontend First Aid” point of contact, proactively unblocking engineers on infrastructure, platform and build-related issues
You will continuously enhance the developer experience by streamlining workflows, reducing friction and introducing improvements across the Frontend toolchain
Drive architectural decisions together with the team, shaping the evolution of the Frontend platform in alignment with engineering standards and long-term strategy

Your Profile

You hold a university degree in Computer Science or related fields or equivalent practical experience
You bring 3+ years of experience as a Frontend or Full Stack engineer
You can demonstrate proficiency in TypeScript, JavaScript, CSS, and HTML
You have strong experience with React or similar frameworks/libraries
You are familiar with CSS-in-JS like styled-components
Experience with Next.js, Static Site Generators, the JAM-Stack, (headless-) Content Management Systems and material-ui is a huge plus
You can show experience working with automated testing frameworks like Jest
You have hands-on experience with micro-frontend architecture and monorepo setup
You h