Senior Front End JavaScript Developer
Close Brothers Asset Management
Wimbledon, GB
3d ago

About the Company

Close Brothers is a leading merchant banking group established in 1878, providing lending, deposit taking, wealth management services, and securities trading.

We employ 2,800 people, principally in the UK, and are one of the largest 250 companies listed on the London Stock Exchange.

Our activities are straightforward. We remain focused on markets and services we know and understand, developing leading positions and unrivalled expertise.

Our approach is prudent and considered enabling us to grow sustainably, through all market conditions, building confidence among our depositors and investors.

Our businesses have remained local as we continue to provide bespoke services, and developing long-term relationships ensuring our success in the future.

We value our clients over everything else. What they do is important they are the doers and makers of things, the wealth creators, the investors and the savers.

We ensure our services meet their specific needs and invest to support them as they grow.

These principles, founded in our past but applied to the modern world today, represent what we describe as modern merchant banking’ values that are embedded in our culture and that underpin everything we do.

About the Role

The Front End JavaScript Developer is a key role in a development team being capable of identifying the UI elements of a change, defining digital interactions and implementing responsive changes to the UI using the libraries available.

They work alongside Java Developers to ensure changes to the front end of applications for each project are delivered successfully for the Close Brothers Premium business.

Key Responsibilities :

  • Takes technical responsibility across all stages and iterations of software development
  • Provides technical consultancy on the UI solutions that could be possible for the overall change
  • Drives UI software construction activities and ensures the changes fit into the overall delivery
  • Adopts and adapts appropriate software development methods, tools and techniques
  • Leads thinking on UI technical topics and industry trends
  • Contributes to the estimation model and ongoing estimations for projects and within sprints
  • Authors high-level designs and screen flows to bridge between UI / UX journeys and detailed specifications
  • Designs the detailed specification of software changes and documents these on Confluence
  • Reverse engineers and refactors existing code where required as well as innovating new solutions
  • Codes the defined changes into the application according to predefined standards
  • Utilises appropriate tooling and analytics to ensure UI coding is efficient and well-engineered
  • Ensures that all changes are recorded under version control
  • About you

    Skills and Experience :

  • Extensive experience with secure coding practices and leading thinking for a team, especially introducing new secure standards
  • Extensive experience with JavaScript across multiple libraries, frameworks and versions, including Node.js, React.js, MongoDB and others such as Angular and Vue
  • Extensive experience in working collaboratively, leading co-ordination among cross-functional teams and the ability to work effectively within organisational differences and priorities
  • Expert communication and analytical skills; including thought leadership and solution challenge, improvement and pioneering
  • Leadership experience of defining development best practices to include peer reviews, processes and version control systems
  • Designing and developing user interfaces for corporate enterprises that consider the range of elements available to modern web-enabled and responsive applications
  • Experience with Node.js 8 or higher
  • Experience with MongoDB 3.6 or higher
  • Experience with React.js 16.4 or higher
  • Automated unit testing : Selenium, Mocha or equivalent
  • CI / CD and delivery pipeline implementation : GIT, Maven, Gradle, Artifactory, Jenkins
  • Ability to work effectively independently or in a team environment
  • Education and Qualifications :


  • Degree level qualification in Computer Science or equivalent
  • Desirable

  • Agile certification
  • JavaScript technology certification
  • Cloud technology certification
  • ITIL foundation certification
  • Rewards and Benefits

    At Close Brothers we recognise the value of a work life balance, and have put

    together a benefits package that reflects this.

  • Discretionary Annual Bonus
  • Pension Group Stakeholder Pension Plan provided by Friends Life; 5.3% employee and 10% employer contribution
  • Life assurance 4 times annual salary
  • Private Medical Insurance
  • Annual Leave minimum of 25 days as standard with the opportunity to buy up to 5 days’ additional annual leave every March
  • Plus further benefits including competitive family friendly offering , information available upon request
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