Senior Software Engineer – Backend

Coterie

. Lead the design, development, and maintenance of complex software systems supporting organizational goals .

Posted 10/17/2026full-timeRemote • United StatesSenior💰 $140,000 - $165,000 per yearWebsite

Core Competencies

Role fit

Core Competencies

Use this summary to align your resume positioning with the role.

Demonstrates expertise in software engineering with a focus on designing and implementing complex systems, particularly in the insurance industry. Proficient in building production-ready APIs using C# and .NET, while leveraging cloud technologies and microservices architecture for scalable solutions.

Highest-signal resume keywords

C# Programming.NET 5+ FrameworkMicroservices ArchitectureCloud-Based SQL and NoSQL DatabasesAPI Development

ATS Keywords

Tailor your resume

Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills

Software EngineeringSystem DesignUnit TestingAutomated Integration TestingDebuggingPerformance ImprovementContinuous Improvement

Soft Skills

MentoringCollaborationProblem-Solving

Tools & Technologies

GitGitHubPostmanClaude Code

Industry Keywords

Insurance IndustryCloud ServicesContainerized Environment

Tech Stack

Tools & technologies

CloudMicroservicesNoSQLSQL.NET

About the role

Key responsibilities & impact

Lead the design, development, and maintenance of complex software systems supporting organizational goals
Provide technical direction and contribute to architectural decisions
Ensure the quality, scalability, performance, and maintainability of engineering solutions
Mentor team members and drive continuous improvement
Collaborate with cross-functional stakeholders to deliver reliable and efficient software aligned with business needs
Design and implement complex systems
Own end-to-end delivery of significant features
Influence technical direction and team practices
Leverage AI in engineering work using a Claude Code premium license

Requirements

What you’ll need

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 microservices 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
Ability to collaborate effectively with cross-functional teams and participate in code reviews
Willingness to learn new technologies and contribute to continuous improvement
Applicants must have authorization to work in the United States without current or future visa sponsorship

Benefits

Comp & perks

100% remote
Health insurance through Aetna (we pay 100% of premiums)
Dental and vision insurance through Guardian (we pay 100% of premiums)
Basic life insurance (we pay 100% of premiums)
Access to flexible spending account (FSA) or health savings account (HSA) (for those using HSA eligible plans)
401K plan (up 4% match with immediate vest)
Flexible PTO policy offering employees up to 4 weeks of PTO in their first 12 months
Thereafter, PTO usage aligns with company standards and typically does not exceed 5 weeks per calendar year
12 company-paid holidays each year
Continuing education annual stipend
Claude Code premium license for all engineers