Senior Typescript Engineer (Wallet Experience) - FinTech / Crypto

363.10 - 418.96 USDNet per day - B2B
JavaScript

Senior Typescript Engineer (Wallet Experience) - FinTech / Crypto

JavaScript
Al. Piłsudskiego 24, Łódź

Incubly

Full-time
B2B
Senior
Hybrid
363.10 - 418.96 USD
Net per day - B2B

Job description

Hey! Nice to see you!

 

At Incubly, we believe that great people want to work with great people, so we started to build a company that will attract great minds and that we can achieve everything not by feeling that we work, but just having fun. Our mission is to mainly support tech companies and startups (scaleups) in fast and high-quality scale-up of their teams and boost their product development, testing, and deployment; so, we can succeed together.

We are currently working with a French company which is a leader in security and infrastructure solutions for cryptocurrencies and blockchain applications. It has a team of more than 400 professionals developing a variety of products and services to safeguard cryptocurrency assets, including worldwide leading hardware wallets.

As a Senior Typescript Engineer, you will join an international team responsible for developing and maintaining Ledger Live, our application for managing blockchain-backed assets. You will take ownership of building and optimizing the portfolio and account management UI flows, collaborate closely with other developers and hardware engineers, and contribute to delivering a reliable, secure, and user-friendly experience across web and mobile platforms.

 

Your daily responsibilities

  • Own the technical development of Ledger Live on desktop and mobile platforms

  • Drive improvements and propose smart, scalable technical solutions

  • Build features following best practices, from unit tests to end-to-end testing

  • Ensure the quality, performance, and consistency of our UI/UX framework

  • Participate in code reviews and help maintain high standards across the codebase

  • Mentor colleagues, encouraging growth and fostering a culture of technical excellence

  • Contribute 100% to open-source projects within  ledger-live monorepo

We need you to have

  • Minimum 5 years of experience in software development

  • A curious mindset and positive attitude, ready to thrive in a highly collaborative team

  • Proficient in JavaScript and TypeScript

  • Strong experience in React.js development, including relevant tools and libraries

  • Experience with React Native and/or Electron

  • Solid understanding of testing strategies

  • Good knowledge of UI/UX best practices in software development

  • Professional fluency in English

Would be great if you have

  • Experience in Web3 topics and technical stack.

  • Experience in maintaining a library of shared components.

  • Experience with module federation & repack

Our offer

In addition to great company and challenging projects, we can offer much much more, i.e.

·       Agile and friendly atmosphere, non-violent communication, and full respect for diversity

·       Possibility to choose from onsite (in Lodz, Poland) or hybrid work (2-3 days a week in our office in Łódź city centre). Business trips to Paris as needed, typically once every three months

·       Remuneration on B2B: 1300- 1500 zł net/ MD

Tech stack

    English

    B2

    TypeScript

    advanced

    JavaScript

    advanced

    React

    regular

Office location

Published: 25.02.2026

Senior Typescript Engineer (Wallet Experience) - FinTech / Crypto

363.10 - 418.96 USDNet per day - B2B
Summary of the offer

Senior Typescript Engineer (Wallet Experience) - FinTech / Crypto

Al. Piłsudskiego 24, Łódź
Incubly
363.10 - 418.96 USDNet per day - B2B
By applying, I consent to the processing of my personal data for the purpose of conducting the recruitment process. Informujemy, że administratorem danych jest Incubly Sp. z o.o. z siedzibą w Łodzi (dalej jako "administrator"). Masz prawo do żądania ... MoreThis site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.