Senior Frontend Engineer (Kotlin) - Frontend Core

Trading 212 UK Ltd.

Job Overview

Location

Berlin

Job Type

Full-time

Full Job Description

📋 Description

• Senior Frontend Engineer (Kotlin) role focused on building and maintaining the frontend platform infrastructure that powers Trading 212’s products used by over 5 million clients managing €30B+ in assets.
• Day-to-day responsibilities include owning and evolving the monorepo, designing and maintaining CI/CD pipelines for React Native and web, authoring shared TypeScript libraries, managing mobile release processes end-to-end, integrating observability tooling (Sentry, Amplitude), resolving build bottlenecks, and collaborating with product teams to improve developer experience.
• Trading 212 UK Ltd. fosters a culture of excellence and high velocity, reinventing trading and investing through exceptional products, with a mission to enable everyone to build wealth.
• You will deepen your expertise in frontend platform engineering, gain end-to-end ownership of mobile release infrastructure, influence engineering velocity at scale, and work on systems used by millions — advancing your impact in a high-growth fintech environment.

🎯 Requirements

• At least 4 years of professional experience in frontend or mobile engineering, with a meaningful portion spent on platform, infrastructure, or developer tooling work
• Production-grade TypeScript - strong typing discipline, not just familiarity
• Hands-on React Native experience in a production app, including an understanding of the native layer
• Practical Kotlin experience on Android - native modules, build configuration, or Android-side CI/CD work
• Direct involvement in CI/CD pipeline ownership or significant contribution — mobile or frontend, any tooling
• Ability to think in systems and write code for other engineers, not just end users
• Comfortable working autonomously and making decisions without waiting for full consensus

🏖️ Benefits

• Challenges that will help you grow and realise your potential
• Opportunity to make a big impact - you will build innovative services used by millions of investors to build wealth
• Work with smart, spirited, helpful, high-performing colleagues with a common goal
• An environment where nothing is set in stone
• Appreciation for your talent and ideas
• Generous remuneration package including annual bonuses
• Excellent social benefits package, including private health insurance, sports card and 25 days of paid vacation per year
• Delicious treats and a spacious game room

Skills & Technologies

TypeScript

Kotlin

React

React Native

Android

Frontend

Senior

Onsite

Ready to Apply?

Apply Externally

You will be redirected to an external site to apply.

Trading 212 UK Ltd.

Visit Website

About Trading 212 UK Ltd.

London-headquartered fintech offering commission-free stock, ETF and CFD trading via web and mobile platforms. Regulated by the FCA and other European authorities, it serves retail investors in the UK and EU with fractional shares, ISAs, and multi-currency accounts. Features include automated investing, pies for portfolio building, and real-time market data. Since 2004, it has onboarded millions of users, focusing on transparent pricing and user-friendly technology.

View Company Profile

Get more remote jobs like this

Subscribe to the weekly newsletter for similar remote roles and curated hiring updates.

Weekly remote jobs and featured talent.

No spam. Only curated remote roles and product updates. You can unsubscribe anytime.