JavaScript Developer - NodeJS - Blockchain

Co Hire Ltd
London (East)
28 Mar 2018
25 Apr 2018
Contract Type
Full Time

JavaScript Developer - NodeJS, Blockchain development company

The company:

The company is a Global Top 20 Blockchain development company, looking for exceptional, experienced JavaScript Developers to join them. They work in React.JS on the Front End, and Node.JS on the Back End. They are an innovative applications development company, focusing on distributed ledger technology and smart contracts.

Based in London, Canary Wharf, they have an expert team of JavaScript Developers and Back End blockchain developers that have been building cutting-edge solutions for disruptive startups and corporate clients in banking and finance, e-payments, energy trading, aviation, telecommunications and social impact sectors.

The JavaScript Developers, working in JavaScript / NodeJS are building a new generation of decentralised applications, working through some of the most interesting problems in this field such as KYC, identity management, transactions anonymity, encryption and data security.

Over the last two years, the team of extraordinary JavaScript Developers have built over 20 real world blockchain application solutions for their clients, including some that are now live in the public domain. Their expert team of in-house blockchain developers take care of the full development stack, from deploying nodes and writing smart contracts to front end, mobile applications and graphic design.

The role for the JavaScript Developer:

Develop cutting edge software solutions for startups and corporate clients
Engage with clients to understand their product vision and design proof-of-concept and production grade products
Develop smart contracts on solidity
Liaise with frontend developers to build APIs for web and mobile
Write automated tests for smart contracts and server side code
Design and build large scale, high volume systems

Required skills of the JavaScript Developer

5+ years of backend development experience
1+ years of Node.js
Experience in writing automated tests
Experience with API design and implementation
Experience with SQL and NoSql Databases (MySQL/Postgres, Redis)
Good understanding of Linux
Git knowledge (feature branches, github flow)

Desirable additional skills of the JavaScript Developer:

Knowledge of ES6+/ES2015+ (new features, specifically: Promises, Async/Await and Generators)
Experience in API development and best practices (testing, documenting, versioning, monitoring)
Testing Frameworks (Jest, Mocha/Chai/Should.js, Enzyme)
Docker experience (Docker Compose, Docker Swarm, Kubernetes)
Cloud computing platforms: Azure, AWS (user roles / network configuration / VM deployment)
Experience with EC2 APIs (S3, creating and configuring networks and VMs programmatically)
Experience in React
Blockchain knowledge – Bitcoin: bitcoin core software and rpc api, bitcoin js libraries, block explorer apis, op-return and timestamping. Ethereum: web3.js, setting up and running geth/parity nodes, solidity smart contracts, truffle.js

The company are doubling the size of their team in the next month and are looking for 7 Senior JavaScript Developers to join them. They are able to interview exceptional developers immediately. Apply to the advert for immediate feedback on your profile.

JavaScript Developer / Back End Developer / NodeJS Developer / Node / Node.JS / JavaScript Engineer

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