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Senior Software Engineer (Backend)

FactSetLondon, United Kingdom
UK
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The FactSet Estimates Engineering team is seeking a talented and highly motivated technical person for the role of Senior Software Engineer. The team works within the Data Solutions Engineering department and is responsible for the integration and development of FactSet’s global financial broker estimates dataset and product. This is a high-profile and high-usage product. You'll be joining a team of 3 engineers working on a wide variety of technologies and platforms, including Microsoft SQL Server databases, .NET core services deployed on both Windows and Linux [on-premise and AWS], in-memory data structures, C++ and Python code for consuming those services and highly performant ETL layers. The team: 2 software engineers in London and 1 engineer in Hyderabad. The manager of the team is based in London. A variety of engineering and product teams from across the globe also interact with the FactSet Estimates engineering team. Technology Stack Used GitHub C# .NET C++ Python SQL Server AWS Services [Lambdas, EC2s] Terraform

Responsibilities

  • Contribute to the technical development of the entire codebase including webservices, ETL pipelines, AWS and on-premise infrastructure. The technology stack is listed above.
  • Partner with Manager and Product Development team [as part of an agile team] to plan, influence and deliver agreed roadmap items.
  • Maintain a high standard of code quality and focus on robust, scalable design given the high frequency and high impact usage of this dataset across FactSet.
  • Partner with FactSet Estimates Collections Engineering team based in Hyderabad, India and other engineering teams across FactSet to deliver Estimates dataset.
Required Skills
  • BS or MS in Computer Science or equivalent field.
  • 4+ years of experience with C# .NET.
  • Experience with Python
  • Experience working with high-throughput web-services infrastructure – both on-premise and on AWS infrastructure.
  • Willingness to participate in rotating on-call duties for data services.
  • Strong communication, organisation, and interpersonal skills.
  • Strong problem-solving and analytical skills.
Desired Skills
  • Relational database experience (SQL Server or a similar RDBMS).
  • Experience with C++.

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FAQ

Is the Senior Software Engineer (Backend) position at FactSet remote?
Yes. This role was posted on Remote Frontend Jobs, a job board that lists exclusively fully remote positions.
When was this Senior Software Engineer (Backend) job posted?
This listing was posted on January 12, 2026 and is still open for applications.
How do I apply for the Senior Software Engineer (Backend) position at FactSet?
Use the apply button on this page — it takes you directly to the employer’s application page.

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