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Full stack developer

Technology
Swiftsource
London, United Kingdom2 months agoUntil 10/11/2026

Job description

We are an award winning sustainable fintech consultancy applying innovative connected data approaches (graph databases, semantic and related technologies) to complex requirements for NGOs and the financial services industry.

We have extensive experience in developing ESG investment software leveraging the latest data science, big data, machine learning, data visualisation and financial analysis techniques. We are a recognised thought leader applying these technologies in projects such as Trase.earth, Trase.finance, lucida.org , Orbitas.finance, and Forest500.org. Our work has been featured on national television, The Economist and in the Financial Times.

We were also one of nine companies selected by the FCA in the Green FinTech Challenge.

We use a modern, exciting tech stack and we are proud of the relaxed, innovative and collaborative environment we have created. We are solving unique and fascinating challenges, and we have a great team of super-bright people at our vibrant London office in Kennington Lane, London.

We offer hybrid working but value face-to-face interaction highly.

About The Role

Our fintech practice develops data & software products for the financial and shipping industries which are used everyday across the world by thousands of brokers, intelligence providers, investment managers and others. This role is a high profile role within our company to support a mission critical, tier 1 application for our clients which is actively used thousands of users 16 hours a day. The platform is a cutting edge microservice architecture based on AWS which calculates and distributes financial indices.

It was architected and fully developed in-house over the last 5 years and has an exciting roadmap of future enhancements and developments planned for the next few years.

Required Skills

  • Javascript/Typescript on both sides of the stack
  • GraphQL in our backend
  • Node.js
  • React in our front-end

Python for asynchronous events/scheduled tasks MongoDB AWS infrastructure / devops / monitoring

  • Cloudfront/S3
  • ECS
  • SQS
  • AWS Lambda

Terraform Cyprus testing framework

Required Experience

  • 2+ years of commercial experience
  • STEM, or ideally Computer Science, educational background
  • Experience supporting mission critical operational systems - ecommerce, financial trading, index production or equivalent
  • Previous experience with modern front-end development frameworks (especially React)
  • An understanding of design and UX principles
  • ‘End-to-end’ experience in the SDLC, from product design to release and post-production
  • Contact with the deployment process and experimented with automated process for testing and deployment and cloud services
  • Good client relationship management, communication and presentation skills
  • Enjoy the “start-up” culture, be willing to get involved, learn and share knowledge with your peers
  • Is a curious person that likes to understand the whole stack and architecture of software, even if you are only working directly with a small part of it.

Locations

We are recruiting on the basis of 3 staffing models for this role:

  • London based - 50 / 50 office & remote based.
  • Hybrid - 1 day per week travel to the London office
  • Fully remote in Europe with occasional travel to London

Company Benefits

  • Annual discretionary bonus scheme
  • Flexible working practices with the ability to work remotely
  • 25 days starting holiday
  • Eligibility to company share options scheme after passing 6 month probationary period

Interested in this role?