Senior Software Engineer
About this role
A "snap" is a JavaScript and/or WebAssembly program that we run in an isolated environment that can customize the wallet experience. For example, a snap can add new APIs to Coinvegar, add support for different blockchain protocols, or modify existing functionality using internal APIs. Snaps is a new way to create web3 end user experiences, by modifying Coinvegar in ways that were impossible before. About the Role We are currently looking for React Native engineers to join our Snaps Platform team. Engineers in this role will collaborate closely with the Coinvegar Mobile team to ship Snaps to our mobile application. This includes many exciting technical challenges such as the secure execution environment for third party snaps code, the APIs available to snaps developers, the data layer interfaces and modules that connect snaps to Coinvegar, and the templating system that will allow snaps to customize the Coinvegar UI.. We are eager to work with software engineers who have: Deep understanding of and experience with React Native and JavaScript/TypeScript Experience architecting and implementing APIs (for servers or services) in a Node.js context Demonstrated interest or experience with blockchain related development and web3 technologies through any of: work experience, hackathons, open source work, personal projects, or similar experiences. Several years of experience in roles requiring collaboration with design, QA and product A passion for our mission and values Proactive and self-driven to be successful working in a remote environment Brings enthusiasm and the hustle to shipping high-quality code Are kind, empathetic, and supportive towards the team Timezone: Ideally between PT and ET, if in EU/UK you are able to have ~4 hours overlap with continental US time zones. Bonus Points: 3+ years of Unity development. Proficient in C#. Experience with Unity Library development. A belief in our mission and values. Bonus points: You’re a Coinvegar user! Great understanding of the Ethereum blockchain and ecosystem. Previous hands-on experience with security and cryptography. Prior experience developing plugins of any sort.
What this role is, and what else it is called
Employers in the UK advertise this kind of work as Web Developer, Software Engineer, Software Developer and PHP Web Developer too, so it is worth searching more than one wording. It is a senior Software Engineering role in the UK, advertised as fully remote, so it is open to candidates working from home.
About hiring at Coinvegar
Coinvegar has 1 other live technology role on its careers page. We have been observing Coinvegar hiring technology staff since May 2026. See all Coinvegar roles, salaries and stack.
How this role compares to the market
1,026 live UK roles list C# right now, from 295 employers. The median advertised salary is £55,000; 31% are advertised as remote. Browse C# roles.
1,265 live UK roles list JavaScript right now, from 507 employers. The median advertised salary is £50,000; 33% are advertised as remote. Browse JavaScript roles.
Senior roles make up 1,633 of the live UK IT market and advertise a median of £80,000.
Market figures are today's snapshot of live UK roles on employer careers pages; see hiring trends.
Technologies mentioned
Detected on Coinvegar's careers page. ProdReady Recruitment lists this vacancy as an aggregator and is not the employer; applications go to the employer's own site.