Front End Developer


Harrington Starr are working with a trading firm in the city of London who are looking for a Front End developer to join a small team in the London office to build Front and middle office systems using C# and.  Some of their systems are Microsoft based and some are python based.  As the Mid-level developer you will be working on projects across the company dependent on what needs delivering.

The Role

To be considered you will need to demonstrate a high level of practical expertise and knowledge of front-end development in a commercial environment. You probably have around 3 years experience in similar roles.


You will work on high-impact, client-facing products in an industry where high availability, performance and accuracy are a must. Therefore, you need a clear approach and commitment to quality whilst working to meet and exceed business requirements and the expectations of our customers.


You will take on, and see through to completion, a wide variety of projects and requests ranging from updating and optimising our portfolio of websites to developing new features and capabilities for real-time, low latency, business critical web applications.


You will be a highly motivated self-starter who is comfortable taking responsibility for their work. You must be able to deal with change and prioritise effectively in a dynamic, fast-paced environment.


You are a committed team member who will openly share knowledge and expertise. You will actively support Junior Front End Developers with coaching and mentoring to develop their potential and skills.


As well as regular communication with the Head of Technology and the Head of Product you will also be required to communicate directly with business stakeholders, customers and senior management at times. Strong communication skills are a must.

Essential Experience

  • HTML5
  • CSS3
  • jQuery
  • SEO
  • JavaScript (AngularJS, Gulp, NodeJS, NPM, SASS, Webpack)
  • CMS development C#, ASP.NET, MVC, Razor (preferably Umbraco)
  • Source Control (Git)
  • Experience of RESTful applications and Web API’s
  • Agile methodologies


Desirable Skills.


  • 2:1 Degree (or above) in a related subject area
  • Some C# (ideally .NET 4.5)
  • SQL queries (Mysql or SQL Server)
  • Unit testing frameworks
  • Continuous integration and delivery
  • Design patterns, Wireframes & Mock-Ups
  • Cloud (AWS or Azure)
  • Financial services / FinTech experience


If you are looking for an organisation that truly values its technology and you want to have a lot influence in the entire project life cycle then get in touch with Tod Bamber @ Harrington Starr.