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Colossus Technologies Group Linkedin · Posted 4d ago

Sr Software Engineer (Financial Applications/Data/Reporting)

Boston, Massachusetts, United States

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Senior Software Engineer (Financial Applications/Data/Reporting)

Boston (Hybrid Remote)


We’re working with a large-scale financial services organization that is investing heavily in internal software platforms supporting data visualization, reporting, and business-critical analytics. They are seeking a Senior Software Engineer to help design and build robust internal applications that power decision-making across the business.


This role is ideal for an engineer who enjoys working on data-intensive systems, building scalable backend services, and developing tools that translate complex datasets into actionable insights.


What You’ll Do

  • Design and develop internal applications focused on financial data visualization and reporting
  • Build and maintain backend services using C#
  • Write complex SQL queries and optimize data access patterns across large datasets
  • Collaborate with data, product, and business teams to translate requirements into technical solutions
  • Contribute to system design, architecture decisions, and performance optimization
  • Maintain clean, version-controlled code using Git and participate in code reviews


What They’re Looking For

  • 5+ years of professional software engineering experience
  • Strong experience with C# and in production environments
  • Advanced SQL skills, including query optimization and working with large, complex datasets
  • Experience building internal tools, reporting systems, or data-driven applications
  • Familiarity with version control systems (Git) and modern development workflows
  • Strong problem-solving skills and ability to work in a collaborative environment


Nice to Have

  • Experience in financial services or working with financial datasets
  • Exposure to data visualization tools or frameworks (e.g., Power BI, Tableau, or custom-built dashboards)
  • Experience with cloud platforms (AWS, Azure, or GCP)
  • Understanding of data pipelines or ETL processes


Why This Role

  • Opportunity to work on high-impact internal systems used across the organization
  • Stable, well-resourced environment with large-scale data challenges
  • Collaborative team with strong engineering standards
  • Competitive compensation and comprehensive benefits

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