Senior Full Stack Engineer - Sales Operations (US/Remote)

Senior Full Stack Software Engineer – Sales Operations

The Opportunity

We are seeking a talented Senior Full Stack Software Engineer to join our Sales Operations team. This role requires a passion for building robust applications as well as a strong foundation in automation. You’ll be joining one of our newly-formed full-stack teams and contribute across the technology stack – from building modern UI components to developing secure APIs and ensuring the reliability of our systems through automation-first testing.

The Senior Full Stack Software Engineer will work with technologies including .NET/C#, Azure SQL (MSSQL), and Vue.js, with opportunities to influence how we scale our test automation practices using frameworks like Gherkin. The ideal candidate is someone who values quality and performance as much as clean code and great user experiences.

Why Join?

This is a pivotal role as we continue our shift toward full-stack, cross-functional teams that own delivery end-to-end. You’ll also play a key part in shaping the future of our engineering and automation culture enabling the transformation of a high-growth company offering products our customers need during a moment that shapes the future for those they love most. Every day you’ll tackle complex challenges working with the latest technologies on cloud-native platforms—all within an inclusive, collaborative environment where each team member is empowered by mission, committed to protection, and dedicated to creating legacies.

The Role

As our new Senior Full Stack Software Engineer, you’ll will work with technologies including .NET/C#, Azure SQL (MSSQL), and Vue.js, with opportunities to influence how we scale our test automation practices using frameworks like Gherkin. The ideal candidate is someone who values quality and performance as much as clean code and great user experiences.

Key Responsibilities

Full-Stack Development

• Design and develop scalable REST APIs and services using .NET/C#.

• Build modern, responsive UI components using JavaScript, Vue.js or Angular.js.

• Write performant, maintainable SQL queries and stored procedures.

• Collaborate with product and design to implement intuitive user experiences.

Automation-Driven Quality

• Contribute to and expand our automation-first testing approach using Gherkin, SpecFlow, Playwright, or similar tools.

• Define and maintain automated test suites across UI, API, and integration layers.

• Participate in test planning and reviews to ensure high coverage and confidence.

DevOps & Observability

• Support CI/CD pipelines and advocate for shift-left practices.

• Implement and improve monitoring and alerting of deployed services.

• Participate in root cause analysis and post-incident reviews.

• Familiarity with Git, CI/CD pipelines, and DevOps practices.

Collaboration & Delivery

• Contribute to team ceremonies, planning, and team retrospectives.

• Promote engineering best practices and continuous improvement.

• Work cross-functionally to remove blockers and accelerate delivery.

Required Qualifications

• Significant experience in software engineering with full-stack development exposure.

• Proficiency in .NET/C#, JavaScript, and MSSQL.

• Experience developing modern web UIs, REST APIs, and database-backed applications.

• Hands-on experience with test automation frameworks and writing meaningful automated tests.

• Experience with CI/CD tools, Git, and agile methodologies.

Preferred Qualifications

• Exposure to Azure cloud services and containerized deployments (AKS/Kubernetes).

• Experience with BDD frameworks like Gherkin or SpecFlow.

• Familiarity with observability tools and infrastructure monitoring.

• Strong communication and mentoring skills.

About Neilson

At Neilson, our mission is to make life insurance simple and accessible to everyone. We’re dedicated to helping families secure financial protection for their loved ones with a range of options. Since launching in 2012, Neilson has successfully expanded from a UK-only business with 100 employees to an award-winning international operation and leader in the global life insurance market, now with 1000 emplo