> Markdown version of [/jobs/ext/4333868-software-engineer-backend](https://www.wearedevelopers.com/jobs/ext/4333868-software-engineer-backend). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Software Engineer (Backend) - **Company:** Coterie Insurance - **Location:** United States (Remote available) - **Experience:** Expert - **Salary:** $140,000.0 - $165,000.0 - **Contract:** Permanent contract - **Skills:** Application Programming Interfaces (APIs), Unit Testing, C Sharp (Programming Language), Software Quality, Code Review, Software Debugging, Github, NoSQL, Cloud Services, Software Engineering, SQL Databases, .NET Core, Postman, Backend, Integration Tests, Microservices - **Published:** October 15, 2026 - **Apply:** https://www.builtincolorado.com/auth/login?destination=/job/sr-software-engineer-backend/11727798 ## About the Role * 5+ years software engineering experience * 5+ years working in the insurance industry * 5+ years building production ready APIs in C# with .NET 5+ * Experience working within a micro-services architecture in a containerized environment. * Experience working with cloud-based SQL and NoSQL Databases, and other cloud-based services to build scalable applications. * Experience using Git and GitHub to collaborate and review code. * Experience writing Unit tests and automated integration tests (Postman or equivalent) * Strong problem-solving skills with the ability to debug issues and improve system performance. * Collaborates effectively with cross-functional teams and participates in code reviews. * Willingness to learn new technologies and contribute to continuous improvement. ## Description Leads the design, development, and maintenance of complex backend software systems. Owns significant features end to end, builds scalable APIs and services, ensures code quality and performance, contributes to architecture and technical direction, mentors engineers, and collaborates with cross-functional teams. The role requires extensive C# and .NET experience, insurance industry expertise, microservices, cloud databases, automated testing, and containerized environments., The Senior Software Engineer is responsible for leading the design, development, and maintenance of complex software systems that support organizational goals. This role provides technical direction, contributes to architectural decisions, and ensures the quality, scalability, and performance of engineering solutions. The Senior Software Engineer mentors team members, drives continuous improvement, and collaborates with cross-functional stakeholders to deliver reliable and efficient software aligned with business needs. All engineers are granted a Claude Code premium license and are encouraged to leverage AI in their work, * Designs and implements complex systems; mentors others * Owns end-to-end delivery of significant features * Ensures code quality, scalability, and maintainability * Influences technical direction and team practices., Our hiring process generally consists of 4 phases. The goal is to provide an opportunity for us to learn more about our candidates while allowing them to get to know us as well! * Phase 1: Qualified candidates will first meet with a member of our People Operations team for a phone interview. This discussion is a high-level conversation to understand more about your background and interests and for us to share more about Coterie and the position. * Phase 2: Selected candidates will be invited to meet with our Hiring Manager for a 2nd interview via Teams video. This interview is designed to be more detail oriented and allows you to learn more about the role and expected to be 30 minutes in length. * Phase 3: Top candidates will be invited to interview with members of our engineering team via Teams video. This series will include participating in live coding exercise/discussion. This series is expected to be 2 hours in length. * Phase 4: Final candidates will receive an invite to interview with our CTO. This video interview is expected to be 30 minutes in length.