Principal JavaScript Developer

Principal JavaScript Developer

• £80k and £90k + bonus and benefits.
• Manchester city centre (3 days a week WFH + flexible start times: 7am -10am)

JOB PURPOSE You will be working across a number of development teams to help realise the full potential of a recently launched 100 million pound, high-volume, low latency microservices platform. You will take full ownership of the frontend domain, challenge process and existing ways of working, an push for innovation through valuable technical or non-technical change. This will include

• Designing, developing, and optimizing full-stack JavaScript systems and components (React, Node.js,
• Scaling and performance optimisation of web frontend and interaction with API layers
• Works to increase team cohesion by being a collaboration first person – such as helping up skill peers, engaging in pair programming and providing high quality code reviews
• Resolve high-level, complex software challenges and optimise system performance
• Implement and follow software development processes, including Agile and Scrum methodologies
• Document software design, code, and test procedures
• Participate in the estimation of software development projects
• Contribute to the development and maintenance of technical documentation
• Mentor Junior Developers and assist with their professional development.

REQUIREMENTS Essential:

• Significant commercial experience in the web stack of React, Node.js, HTML, CSS and JavaScript
• Demonstrable understanding of low latency, high-scale approaches such as WebSockets
• Thorough grasp of distributed web caching tools and techniques, e.g. Redis, etc
• Demonstrable understanding of fundamental software development best practices, architectures and patterns
• Proponent of high-quality code and able to demonstrate methods and practises to achieve metrics like high unit test coverage
• Awareness of modern deployment methodologies
• Expertise in performance optimisation of web technologies

Desirable:

• Any additional experience including React Native, MongoDB or Hazelcast

ON OFFER:

• Hybrid remote working (2 days a week in Manchester office)
• Flexible start times (7am-10am)
• Annual bonus, Pension, Death in service, Employee discounts, saving scheme
• Enhanced Maternity & Paternity pay

THE COMPANY : With over 300 staff, 120 of whom are developers, this division of the world’s largest independent bookmaker, develops and manages highly complex systems that process the 1000’s of transactions that take place every second, and handles the massive amounts of data and calculations related to odds and statistics in the sport betting space. Their systems span web, mobile and embedded applications for self-service terminals. Interested? Contact Philip Boltt at Lorien Global