Senior Full-Stack TypeScript Engineer (Node.js + React + React-Native) – Remote (EU)

About Accountable

Accountable is revolutionising financial management for the self-employed. Our platform simplifies taxes, accounting, and financial administration for the self-employed - and we're even expanding into banking.With a proven product and a growing customer base, we are now looking for a Full Stack Developer to join our Over the Counter (OTC) team.

About the Role

We are seeking a Full Stack Developer to join our Over-the-Counter (OTC) team. In this role, you will be instrumental in developing essential features for 1 of our fastest growing user segments: over-the-counter professionals, such as hairdressers, beauty specialists, physicians, and more. You will ensure these features are seamlessly integrated into our product.

Key features the OTC team is working on include payment solutions (Tap-to-pay, QR codes), revenue linking (API to POS systems), and accounting solutions for OTC professions.

This role is a unique opportunity for someone who thrives in an experimentation-driven environment, enjoys solving complex engineering challenges, and wants to have a direct impact on business growth.

Responsibilities

• Develop and implement features into the product, ensuring smooth execution and seamless user experience.
• Optimize conversion funnels, pricing models, and feature experiments through data-driven development.
• Collaborate with the Product Manager and Engineering team to identify technical solutions that drive revenue growth.
• Ensure smooth integration of OTC features with the Product & Engineering team while maintaining code quality.
• Troubleshoot, debug, and refine product features, making rapid iterations based on results.
• Review code through Pull Requests, ensuring best practices in development, performance, and security.

Our Stack

• TypeScript
• NodeJS
• mongoDB
• React
• React-Native
• Expo
• React Query
• API Rest
• Jest / detox

Who You Are

• Experienced Full Stack Developer – 3+ years of experience in React, React-Native, Node.js, and TypeScript.
• Business Growth Mindset – You understand the business impact of the features you develop, and focus on rapid iteration.
• Strong problem-solver – You can balance technical complexity with business goals to deliver impact fast.
• Pragmatic Engineer – You write clean, maintainable, and scalable code while optimizing for time-to-market.
• Highly Collaborative – You work effectively with cross-functional teams in Growth, Product, and Engineering.

Bonus Skills:

Experience with Event-Driven Architectures, Domain-Driven Design (DDD), or native mobile development (iOS/Android) is a plus!

Why Join Accountable?

• Direct Impact on Business Growth – Your work will shape revenue strategy and drive measurable outcomes.
• Fast-Paced & Experimentation-Driven Culture – We move fast, test ideas quickly, and iterate based on data.
• Ownership & Autonomy – You’ll have the freedom to build, experiment, and optimize Growth features end-to-end.
• Work with Top Talent – Join a high-performing team of engineers, data analysts, and Growth professionals.
• Flexible Work Setup – Hybrid or fully remote-friendly work environment.

We are looking for a long-term contractor relationship.

!!! No recruitment agencies !!!