Job Description

Job Title: Senior Software Engineer/Technical Architect Location: Indianapolis, IN (Hybriddays onsite) Contract-to-Hire Industry: Insurance / Healthcare Technology (NO C2C) Job Description Theoris Services is assisting our client in their search for a Senior Software Engineer to partner closely with the VP of Software Engineering. This contract-to-hire position is ideal for an experienced, investigative technologist who thrives on untangling legacy systems, tracing deep-rooted code dependencies, and transforming undocumented applications into modern, scalable, cloud-ready platforms. The Senior Engineer\Architect will serve as a strategic right hand to the VP, taking ownership of day-to-day technical deep dives and modernization efforts, allowing leadership to focus on enterprise-level initiatives for 2026. Responsibilities

• Investigate and analyze legacy .NET and SQL codebases to uncover undocumented logic, dependencies, and inefficiencies.
• Diagnose root causes of recurring bugs, performance bottlenecks, and architectural fragility.
• Refactor and re-engineer legacy components into modular, microservice-based architectures.
• Architect and document scalable, maintainable solutions aligned with modern design and security principles.
• Collaborate with long-tenured IT staff to extract and translate tribal knowledge into clear documentation and reusable patterns.
• Establish and enforce coding standards to reduce technical debt and improve scalability across teams.
• Drive CI/CD automation and DevOps best practices to streamline delivery and reduce risk.
• Support modernization of the Producer's Portal and upcoming global Claims platform rewrite scheduled for 2026.
• Team Environment: 30 developers, dedicated UI/UX group, 3 architects

Requirements

• years of software development experience with C#/.NET and SQL Server.
• Proven expertise with .NET Core, ASP.NET, Node.js, and Angular frameworks.
• Strong understanding of microservices, event-driven architecture, and cloud-native design (preferably AWS or hybrid).
• Hands-on experience with CI/CD pipelines, Azure DevOps, GitLab, and Docker.
• Experience with hybrid cloud deployments integrating legacy and modern systems.
• Excellent analytical and debugging skills - comfortable navigating undocumented legacy code.
• Strong communication and documentation skills; able to translate technical findings for business and leadership audiences.
• Preferred Skills: RabbitMQ or similar message-queueing integration experience.
• Experience with insurance or healthcare/claims systems.
• Familiarity with event-driven or distributed system refactoring projects.

. Best-In-Class Benefits We are in the people business; treating people right is our ONLY priority. Theoris Services consultants are full-time employees with full benefits, including:

• Robust Health Insurance
• 401(k) Plan
• PTO Accrual
• Paid Holidays
• Excellent Cash-Based Referral Program

All qualified applicants will receive consideration for employment without regard to age, race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or status as a protected veteran.

Job Tags

Full time,

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