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Software Engineer (Senior)

Product Development – London, London, City of
Department Product Development
Employment Type Full-Time
Minimum Experience Manager/Supervisor

We are seeking an additional team mate to join as a Software Engineer (Senior) for our super London Technical Team.  As part of a self-organised SCRUM development team, you will build new features or products or maintain/enhance existing ones.  As an individual contributor, you will be expected to have an important impact on the velocity of the team.

You are driven and ambitious. You are passionate about financial technology and want to further build your career in a company that is a pioneer within this space. We are disruptors and want to continue to lead. Our business is growing at a fantastic rate and this role offers a unique opportunity to further develop your career.  This is an exciting time to join CloudMargin as we grow the platform and expand the client base.

Reporting to: Principal Software Engineer


CloudMargin is an award winning, growth-stage FinTech company offering an innovative Software-as-a-Service (SaaS) service. We are rapidly challenging the way financial and corporate institutions manage the collateral and risk associated with derivatives trading. We believe in offering our community an affordable, easy to deploy and scalable service.  Backed by influential VC and corporate investors, our global team of over 50 works closely across product, technology and sales disciplines. Our flat structure and ethos of openness and communication means you’ll be engaged with everyone in the business and have the senior leadership team as one of your key stakeholders. 

Core Accountabilities

  • Writes high-quality, easy-to-maintain, testable code 
  • Reduces complexity in the codebase and avoid over-engineering solutions 
  • Takes into account performance, scalability, security and testability when refining projects 
  • Documents their work 
  • Understands and follows Agile principles 
  • Mentors Junior team members 
  • Has a high impact on the velocity of the team and a high “productive code” throughput (post churn) 
  • Takes operational responsibility 
  • Gives high-level status update to stakeholders 
  • Investigates and fixes bugs on the platform 


  • 5+ years or equivalent experience in development
  • 2+ years or equivalent experience with React or similar front-end framework
  • 2+ years or equivalent experience with NodeJS 


  • Advanced modern JavaScript (ES6/2015+), NodeJS and React
  • Web development principles (REST, SPA ….)
  • AWS 
  • DevOps 
  • Agile manifesto and SCRUM 
  • Test-driven development (TDD) 
  • Proactive 
  • Advanced communication skills 
  • Able to deal with pressure positively 
  • A strong team player “we” before “I” 
  • Highly-motivated and collaborative 

Educational/Professional qualifications

A good standard of education


You must have the legal right to live, work and remain within the UK

Please forward your resume with your application to be considered for this role.



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  • Location
    London, London, City of
  • Department
    Product Development
  • Employment Type
  • Minimum Experience
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