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Senior Software Engineer (Golang/TypeScript/React, Independent Contractor)

Exclusive opportunity

Onsite

Senior Software Engineer (Golang/TypeScript/React, Independent Contractor)

FXC Intelligence

Senior Software Engineer (Golang/TypeScript/React, Independent Contractor)

Skills

SQL QueriesDockerReactTypescriptPythonGolangMicroservicesMariaDBGitLabGrafanaAIAWSPrometheusApache AirflowProduct ManagerProcess ImprovementTerraform

9 days ago

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Important information


Contract type:

Freelance / Contract

Location:

United Kingdom

Work mode:

Onsite

Published on:

12 October 2026

What they need


  • We are looking for a Senior Software Engineer to join our team, responsible for working on our platform, which some of the world’s biggest companies, central banks and non-governmental organisations use to build revenue and volume through data and analytics
  • This is an opportunity to influence technical direction, elevate engineering standards and deliver features that make a meaningful difference to our clients
  • Designing, developing, testing, maintaining and enhancing the Golang microservices and frontend applications you’re responsible for
  • Delivering beautiful, performant interfaces, driven by our design system, for our customers
  • Taking full ownership of features from ideation to production
  • Acting as a key voice in technical strategy, navigating the trade-offs between existing systems and new technologies and communicating architectural decisions
  • Improving the performance and observability of our services and applications
  • Improving the quality of life of your team and the business, through automation, process improvement or new technologies
  • You will join a technical team of approximately 30 technologists with a key purpose of continuously and reliably collecting large amounts of financial data describing cross-border payments, then processing the data, verifying its quality and serving it to our users so that they can make informed business decisions
  • A typical team contains around three engineers and a Product Manager
  • You will be interacting with various stakeholders across the business in addition to your immediate team
  • Tech Stack:
  • Golang, TypeScript, React, MaterialUI, MariaDB, Clickhouse, Gitlab, AWS, SQL

Benefits

  • Flexible working arrangements
  • Receive a 20% annual bonus and share options
  • A brand new Mac or PC it’s your choice!
  • 5% Workplace pension scheme contribution
  • Professional/Career coaching sessions with an external coach
  • Perkbox subscription for exclusive deals and discounts
  • AXA private healthcare for employee and spouse/partner and/or children- Learn and engage with a new business domain and product
  • Write performant SQL
  • You should apply if you can confidently:
  • Write Golang services and web app backends, and deploy them in Docker containers
  • Build beautiful, componentised application frontends in React/TypeScript
  • Understand clean code principles and the language idioms of TypeScript and Go, review code using these principles and establish team quality standards
  • Communicate complex topics to technical and non-technical people
  • Talk about how you learn and improve your skills
  • Building CI/CD pipelines, especially with GitLab CI
  • Applications with concurrent logic (i.e. goroutines)
  • Configuring and using observability tools (e.g. Prometheus and Grafana)
  • Experience utilising AI to increase productivity and efficiency of work and productionised AI tools
  • MaterialUI
  • Using Airflow, Python or Terraform- Contact: Charlotte Meek

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