Software Engineer; Duck Creek​/.NET - Billing Platform *HYBRID

Duck Creek Software Engineer

We are seeking a seasoned Duck Creek Software Engineer with extensive experience in designing, building, and maintaining large‑scale applications and distributed systems. In this role you will become an integral part of a team dedicated to managing GEICO’s core billing platform, which includes a core billing engine, invoicing system, commissions management, collections, payment processing, CRM integration, subscription management, credit control, dunning management, and reporting and analytics.

You will play a pivotal part in evolving and optimizing the platform, with a strong emphasis on improving its scalability, reliability, and efficiency.

• Design, build, and optimize scalable, resilient distributed systems across teams (primary focus: hands‑on development).
• Implement enterprise solutions using .NET (C#) and related frameworks, contributing directly to codebases.
• Maintain and enhance core insurance systems built on Duck Creek.
• Develop and improve services using SQL Server, Postgres, REST APIs, and microservices.
• Apply C# and Golang where most effective; prototype and evaluate new technologies.
• Drive adoption and improvement of productivity tooling (VS Code, Cursor, Git Hub Copilot) through direct usage and feedback.
• Define and deliver reusable components and architectural patterns, writing foundational code.
• Engineer solutions leveraging Azure, Docker, Kubernetes, and automation frameworks.
• Apply best practices for monitoring and debugging with App Insights, Titan, and related tools.
• Guide, mentor, and support engineers (~30% focus); share best practices and foster knowledge growth.
• Contribute hands‑on to product direction and solution design.
• Collaborate actively across the full software lifecycle (requirements through deployment), delivering code and processes.
• Lead and participate in technical design and code reviews; help enforce standards with code contributions.

• 8+ years of professional, hands‑on software development experience.
• Expert‑level .NET ecosystem experience (C#, ASP.NET, Web API, REST, SQL Server, Visual Studio/VS Code).
• Deep Duck Creek product architecture and hands‑on implementation experience.
• Proven expertise in microservices and extensible API design, with significant coding contributions.
• Extensive experience with XML‑based data/file systems (XPath, XSD, XML serialization in .NET, etc.).
• Strong distributed systems architecture and scaling capabilities.
• Hands‑on leadership with Azure Cloud and Dev Ops pipelines.
• Practical experience with monitoring tools (App Insights, Splunk, Grafana/Prometheus).
• Security best practices and protocols applied in real‑world solutions.
• Advanced SQL and Postgres coding and optimization skills.
• Strong CS fundamentals (data structures, algorithms) demonstrated in engineering output.
• Experience driving continuous delivery / modern deployment practices through implementation.
• Lifecycle tooling expertise (planning, source, build, deploy, operations) with practical involvement.
• Exceptional problem‑solving, technical influence, and mentoring skills.
• Outstanding technical communication and stakeholder management.

• Git Hub Copilot / AI‑assisted development hands‑on experience.
• Implementation experience with event‑driven and messaging platforms (Azure Service Bus, Kafka, etc.).
• Extensive hands‑on XML solutions and integrations.

• Bachelor’s and/or Master’s Degree, preferably in CS, or equivalent experience.

• Palo Alto, CA
• Dallas, TX
• Chevy Chase, MD

$ – $ per year, based on scope and responsibilities, experience, location, and market considerations.

GEICO will consider sponsoring a qualified applicant for employment authorization for this position.

The equal employment opportunity policy of the GEICO Companies provides for a fair and equal employment opportunity for all associates and job applicants regardless of race, color, religious creed, national origin, ancestry, age, gender, pregnancy, sexual orientation, gender identity, marital status, familial status, disability or genetic information, in compliance with…