Senior Developer - Integration
Overview Insight Global is looking for a Senior Developer to join the Integration team within an global financial services organisation, enabling faster and more consistent onboarding of new applications and data feeds into business-as-usual platforms. The team builds reusable services, APIs and supporting infrastructure (leveraging AWS native services where appropriate) in a Kanban delivery model. The core stack is SQL Server (~30%), C#.NET (~30%), Terraform (~20%), Angular (~10%) and Python (~10%).
Day-to-Day Responsibilities
- Build and evolve reusable integration services and APIs for data-feed and application onboarding
- Support Database Migration Services to replicate data from one platform, to another
- Automating ingestion of monthly files produced by one platform to another
- Define communication contracts and processes
- Apply strong data modelling and automated testing across integrations
- Work within architectural governance for cross-account AWS integration
- Take assigned stories end-to-end through to production via BAU release, defect and change processes
Must-Haves
- 5–10 years of commercial software development
- Strong SQL Server (T-SQL, stored procedures)
- Solid C#.NET development
- Terraform / infrastructure-as-code
- Python and lightweight Angular where beneficial
- Experience building reusable services and APIs for onboarding data feeds/applications
- Comfortable across multiple integrations in a monolithic, database-heavy system
Plusses
- AWS native services — Lambda, DMS, EC2, SQS, SNS
- Ansible / wider IaC tooling
- Financial Markets (Equity) / Index Services domain knowledge
- Agentic AI tooling (e.g. GitHub Copilot)
- Cross-account AWS integration pattern experience