Lead Software Engineer (GoLang)

Factset.wd1.factsetcareers

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London, GBR Until 8/23/2026 H-1B sponsor history First posted June 16, 2025 Last posted June 16, 2025
Job description

FactSet creates flexible, open data and software solutions for over 200,000 investment professionals worldwide, providing instant access to financial data and analytics that investors use to make crucial decisions.  

At FactSet, our values are the foundation of everything we do. They express how we act and operate, serve as a compass in our decision-making, and play a big role in how we treat each other, our clients, and our communities. We believe that the best ideas can come from anyone, anywhere, at any time, and that curiosity is the key to anticipating our clients’ needs and exceeding their expectations.  

Role/Department Description:

The Data Hub team is seeking a talented and highly motivated engineer for the role of Lead Software Engineer.

The Data Hub team within the Data Solutions Engineering department is leading the effort to streamline and modernize the way Data Solutions distributes first- and third-party data across FactSet.

You'll be part of a team working to build out a greenfield microservices-based architecture, crucial to the successful transformation of Data Solution's data distribution strategy. Team members are exposed to the entire FactSet technology stack and are given the flexibility to rapidly develop and prototype solutions using many different technologies and programming languages as we seek to improve our cloud-oriented service layer.

The team: 2 software engineers based in the UK

Technical stack: GraphQL, Golang, SQL, Python, SQL, Databricks, AWS

Responsibilities:

  • Leading the architecture, design, development, and launch of high available, low latency, flexible and scalable services.;
  • Significantly influencing our overall strategy by helping define features, drive the system architecture, and spearhead the best practices that enable a quality product;
  • Researching 3rd party products that promote service-oriented architecture in AWS and FactSet.io;
  • Designing and implementing service data models, caching models and APIs;
  • Promoting infrastructure as code and helping teams to shift to an automated deployment process;
  • Contributing to Open Source projects that are driving the latest service architectures.

Required Skills:

  • BS or MS in Computer Science or equivalent field;
  • Strong experience in architecting and building multi-threaded, distributed systems;
  • 6+ years of experience as a software engineer with a good experience in Golang or Python or Rust and SQL.
  • Ability to achieve stretch goals in a highly innovative and fast paced environment;
  • Experience taking a leading role in building complex software systems that have been successfully delivered to customers;
  • Experience working with AWS main services (e.g. EC2, ECS, S3, Glue);
  • Extensive programming experience in multiple languages (C#, Python, Go preferred).

Company Overview: 

FactSet (NYSE:FDS | NASDAQ:FDS) helps the financial community to see more, think bigger, and work better. Our digital platform and enterprise solutions deliver financial data, analytics, and open technology to more than 8,200 global clients, including over 200,000 individual users. Clients across the buy-side and sell-side, as well as wealth managers, private equity firms, and corporations, achieve more every day with our comprehensive and connected content, flexible next-generation workflow solutions, and client-centric specialized support. As a member of the S&P 500, we are committed to sustainable growth and have been recognized among the Best Places to Work in 2023 by Glassdoor as a Glassdoor Employees’ Choice Award winner. Learn more at www.factset.com and follow us on X and LinkedIn. 

At FactSet, we celebrate difference of thought, experience, and perspective. Qualified applicants will be considered for employment without regard to characteristics protected by law. 

About this role

Summary

Lead architecture and development of scalable services in a microservices-based architecture.

Job title

Lead Software Engineer (GoLang)

Experience level

6+ years

Industry

finance

Location requirements

Located in London, remote work not allowed.

Salary

Not specified

Visa sponsorship

H-1B sponsor history

Management role

Yes

Skills & keywords

Required skills

BS or MS in Computer Sciencemulti-threaded systems6+ years software engineerGolangPythonRustSQLAWSC#

Preferred skills

None specified

Specializations

microservicesclouddata distributionAWSGolang
Locations

Structured locations inferred from the posting.

London, UK

On-site City