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Senior Frontend Developer in London

Block Ex

75,000 - €95,000
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Job Description

BlockEx is a Digital Asset eXchange Platform (DAXP) – built for creation, issuance and exchange of digital assets. It’s the world’s first true HFT capable exchange for next generation financial assets built using Blockchain technology. BlockEx also offers custom Blockchain solutions and digital asset creation for governments, regulators and FIs. BlockEx works with trading firms, financial institutions and governments providing managed services for its tool kits and bespoke blockchain implementations.

Job Description

We are looking for a Senior Front-End Web Developer who is motivated to combine the art of design with the art of programming. Responsibilities will include translation of the UI/UX design wireframes to actual code that will produce visual elements of the application. You will work with the UI/UX designer and bridge the gap between graphical design and technical implementation, taking an active role on both sides and defining how the application looks as well as how it works.


- Define the architecture and technology choices for frontend applications
- Drive the development of frontend systems company-wide
- Set company-wide technology standards in all concerning frontend
- Provide input for larger systems architectures
- Provide input and feedback to UI/UX and other stakeholders
- Develop new user-facing features and widgets
- Build highly reusable code and libraries for future use
- Ensure the technical feasibility of UI/UX designs
- Optimize application for maximum speed and scalability

Skills And Qualifications

- At least 5 years’ experience with a JavaScript
- At least 2 years’ experience with a modern JavaScript frameworks like React, Angular, Vue etc
- Good understanding and practical knowledge with asynchronous API requests handling, WebSockets data, partial page updates, and AJAX
- Proven knowledge in server-side languages, such as Python
- Proficient understanding and practical knowledge with CMS platforms, such as WordPress including plugins, widgets and themes development and customization

- 5+ years’ web development experience required
- 2+ years’ web app development experience preferred
- Agile and Scrum experience preferred

What we offer

- Share incentive scheme
- Health Insurance
- Bonus scheme
- 28 days holiday (including public holidays)
- Plus, many more


About Block Ex

  • Fintech

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