Senior Software Engineer ( 5 Openings)

Insurity; United States; Remote; USD 120,000 - 170,000; Full time

Job summary

Insurity is seeking a Senior Software Engineer to own end-to-end development in a large .NET application, with React/JavaScript/Python expertise a plus. You will estimate, design, implement, troubleshoot, and lead small teams while upholding coding standards and quality gates.

You will also contribute to UI/API modernization, system integrations, and performance tuning, aligning with product and QA to ensure high-quality delivery.

Qualifications

• 5+ years building and shipping production services/features.
• Strong in C#/.NET, ASP.NET Core and Web API, with SQL Server.
• Experience with React and JavaScript for modern UI work.
• Hands-on experience with testing (unit/integration/contract) and modern CI/CD tooling.

Responsibilities

• Own routine development items from inception to completion in a large .NET app.
• Contribute to SDLC estimation and planning; design solutions independently.
• Provide in-depth troubleshooting and defect remediation for moderately complex issues.
• Review peers' code and provide occasional technical leadership across the team.
• Develop technical documentation and support configuration for customer projects.

Skills

5+ years experience

C#/.NET

SQL Server

React

JavaScript

Python

Unit/Integration tests

CI/CD

Playwright

Cypress

Postman

Generative AI fluency

API design

SOAP familiarity

SOLID principles

Azure DevOps

Tools

GitHub Actions

Azure DevOps

Jenkins

Postman

Playwright

Cypress

Job description

Insurity's Next Senior Software Engineer:

We are seeking an experienced and highly capable Senior Software Engineer to join our Marine Suite (IMS) team. In this role, you will own routine development items from inception to completion, contribute to SDLC estimation and planning, design solutions independently, and provide in-depth troubleshooting and defect remediation for moderately complex enhancements and reported issues. You will also review the work of other developers and provide occasional technical leadership across the team.

Youll help deliver new capabilities and enhancements across our .NET application and related integrations, partnering closely with Product and QA to ensure high-quality delivery.
Youll play a key role in initiatives such as UI/API modernization, system integrations, and performance tuning, while also helping drive the adoption of agentic coding workflows and internal automations that improve developer productivity and increase delivery throughput.

What Our Senior Software Engineer Will Do:

SDLC

• Participate in SDLC estimation and development processes.
• Estimate projects and solutions of simple to moderate complexity.

Design

• Design solutionsto problems/defects independently.
• Participate in design sessions for large-scale development.
• Understand and develop use casesto supplement business cases for technical development items.

Development

• Own routine development items from inception to completionacross a large .NET application (React/Node.js/Python experience is a plus).
• Develop solutions for moderately complex problems and enhancements, individually or while leading a small team.
• Follow Insurity standards for coding, documentation, and impact assessments.
• Provide in-depth technical troubleshootingand defect remediation for reported problems requiring a high degree of technical expertise.
• Develop technical documentation for software solutions targeted to business/customer needs.
• Support configuration functionsin support of customer projects, as applicable.
• Review the work of other developers; provide occasional technical leadership across the team.

Who We’re Looking For

• 5+ yearsbuilding and shipping production services/features.
• Core stack:Strong in C#/.NET (ASP.NET Core, Web API) and SQL Server. Comfortable with microservices fundamentals (service boundaries, resiliency, observability).
• Front-end / adjacent languages (nice to have):Experience with React for modern UI work, plus working knowledge of js and/or Python for tooling, services, integrations, or automation.
• Quality-through-code (must-have):you routinely add unit/integration/contract tests for the code you ship; comfortable with Playwright/Cypress or Postman/Newman for targeted e2e; GitHub Actions/Azure DevOps/Jenkins for CI/CD and quality gates.
• Generative AI fluency (must-have): practical experience using coding assistants to accelerate delivery, crafting prompts, checking/ground-truthing outputs, and safely handling code/data (privacy & IP). Bonus: generating test data/cases, PR summaries, or simple internal automations; exposure to vendor AI features or no/low-code connectors
• Strong API design & documentation; SOAP familiarity is a plus.
• Solid engineering practices: OOP, SOLID, data structures/algorithms, Git, reviews, reproducible builds.
• Azure/DevOpsexposure desirable (pipelines, IaC basics, monitoring).