Senior React Native Developer @ Assertis Ltd

About Assertis

Assertis is a profitable, privately-owned company building software for public transport — journey planning, rail ticket retailing, and real-time information. We've been around for 25 years : lean, product-focused, and growing.

Our APIs handle over 1 million journey searches daily and sell £200m worth of UK train tickets each year — about 5% of all train tickets sold online in the UK. We compete successfully with much larger companies and are well-known for driving innovation in the rail industry.

We're a distributed team across the UK, Poland, and Italy. On average, our technical team members have been with us for five years. We value autonomy, accountability, and collaboration.

What we're building

Now we're building a new mobile app — a greenfield React Native project for iOS and Android. We're looking for an experienced React Native developer to lead this build. You'll be hands-on writing code daily while working closely with our frontend team (two React developers and a designer), backend developers, and testers to create a consistent, high-quality experience across web and mobile.

What you'll do

• Build and ship a production React Native app from scratch
• Own technical decisions on architecture, tooling, and patterns
• Collaborate with the existing frontend and backend teams on shared design systems and API integration
• Work directly with our in-house API — no third-party guesswork

What we're looking for

We're not counting years of experience. Show us you can build good apps.

What we offer

Requirements : React native Tools : Jira, Confluence, GitLab, GIT. Additionally : Training budget, Flat structure.