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Senior Front-end Developer

Job Category: Engineering Information Technology
Job Type: Full Time
Job Location: Bucharest


Modex is looking for a skilled and passionate Senior Front-end Developer. Modex is a tech company specialized in the blockchain technology sphere and Fintech related products. We strongly believe in a future built around technology. We offer fully integrated services designed to solve the last mile adoption problem of the blockchain and our aim is to make blockchain user-friendly for every single device or person. At Modex, we are constantly innovating thanks to our incredible team of experts and we are raising the bar as we offer services for the entire blockchain technology ecosystem: Marketplace for Smart Contracts, community tools for developers and blockchain database services for enterprises. At the operational office, in Bucharest, our employees enjoy a dynamic work environment in a prime location, with cool views over the city. As a company driven by innovation and diversity, we value the initiatives of our colleagues; we encourage them and give our employees full support in achieving their professional goals. Being open-minded and daring are part of our company’s DNA and we are eager to share these attributes with our future colleagues.

Our vision

Since day one, our mission has been to facilitate the adoption of blockchain into society and to solve real-world problems using this revolutionary technology. In over three years, thanks to our incredible team of experts, Modex has evolved from the world’s first app store for the blockchain into a complex ecosystem designed for developers’ needs and enterprises looking for blockchain solutions.

With innovation as one of the company’s main pillars, Modex has brought to the market a suite of revolutionary products and services.

Work environment

With offices in London, Bucharest, Silicon Valley and Washington D.C. (upcoming), Modex provides a dynamic, diverse and inclusive workplace. We provide equal growth opportunities to all of our employees, regardless of nationality, age, skin colour, religion, gender identity and expression or sexual orientation. Fairness, respect, commitment are values which can be found in the company’s philosophy. Besides professional training alongside our IT and banking security experts, our future colleague will benefit from rewards and recognition, as well as personal development opportunities.

We are looking forward to welcoming you to our team!

Create your future

#WeAreModex and our idea is simple: personal growth while delivering the best applied blockchain and data protection solution for our international clients. 


  •  Developing user-facing applications using Vue.js
  •  Building modular and reusable components and libraries
  •  Optimizing applications performance


Required Skills

  • An advanced grasp of JavaScript/TypeScript, HTML5, CSS3
  • Ability to write efficient, secure, well-documented, and clean JavaScript code
  • Strong knowledge of browser APIs / performance
  • The ability to promptly transform a set of functional/UX requirements into a working product
  • Experience working with distributed source control and a dynamic team that responds to change
  • At least 2 years experience building modern front-end applications using frameworks like Angular, VueJs or React
  • Experience with both consuming and designing RESTful APIs
  • Proficiency with modern development tools, like Babel, Webpack, and Git
  • WebSockets API

Nice to have

  • Graphql
  • ReactNative experience
  • NodeJs/Express
  • Good design eye


We value creativity and commitment. We are young and dedicated and the passion for visionary technology is what guides us and makes us aim for the future. We are looking for enthusiast people to be part of our long term success story. Lead the future while having fun!

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