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Application DeadlineThis position is anticipated to close on Nov 24, 2026.

Senior Software Engineer

Remote, United States

Base Salary Range $122,400.00 - $168,300.00 At Zelis we are committed to providing fair and equitable compensation packages.

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Job details

Pay: Base Salary Range $122,400.00 - $168,300.00 At Zelis we are committed to providing fair and equitable compensation packages.
Experience: 5+ years of software engineering experience with strong, current hands-on coding ability. (Typically a Bachelor’s + 5 years or a Master’s + 3)
Posting language: English
Posted: Nov 10, 2026

Original job description

At Zelis, we Get Stuff Done. So, let’s get to it!

A Little About Us Zelis is modernizing the healthcare financial experience across payers, providers, and healthcare consumers. We serve more than 725 payers, including the top five national health plans, regional health plans, TPAs and millions of healthcare providers and consumers across our platform of solutions. Zelis sees across the system to identify, optimize, and solve problems holistically with technology built by healthcare experts – driving real, measurable results for clients.

At Zelis, AI is woven into the fabric of how we work. Every associate is expected - and empowered - to partner with AI to challenge the status quo, accelerate innovation, and amplify their impact. This is a place for builders with a growth mindset who act with agility, embrace change, and use modern technology to shape smarter solutions, exceptional experiences, and the future of our industry for our clients, customers, and our culture.

A Little About You You bring a unique blend of personality and professional expertise to your work, inspiring others with your passion and dedication. Your career is a testament to your diverse experiences, community involvement, and the valuable lessons you've learned along the way. You are more than just your resume; you are a reflection of your achievements, the knowledge you've gained, and the personal interests that shape who you are.

Position Overview As a Senior Software Engineer on the Cost Engine team, you’ll design, build and run the core API and backend service that standardizes and serves healthcare procedure cost, negotiated rate, member, eligibility, benefit, treatment, provider, and incentive data to downstream products.

This is a hands-on senior role. You'll spend most of your time designing, writing and reviewing code, and you'll help raise the bar for the team through mentoring and technical leadership. You'll own the quality and reliability of the services you build. You'll partner closely with the team's Principal Engineer, Product Managers, Scrum Masters and architecture for member cost and transparency to turn the roadmap into shipped reliable software.

What You'll Do Mentor and Influence

Contribute to technical direction in partnership with principal engineer and architecture and help create an environment where engineers do their best work.
Mentor and pair with other engineers and lead by example through thoughtful design and code reviews.

Build and Ship

Write and review production code across the .NET REST APIs, C# services, Rust microservice, and the ETL and data-movement estate.
Set and uphold engineering standards, raising the bar on code quality, testing, and observability.
Take on the complex and higher-risk technical work directly, from design decisions made in partnership with the principal engineer, to thorny production issues.
Design, build and test features end to end, from API contracts and data models to deployment and monitoring.
Tune the performance of high-throughput APIs and SQL queries that serve cost and rate data to downstream products.
Participate in the on-call rotation, lead incident response and drive root-cause fixes for Cost Engine services.

Deliver with the Team

Participate actively in agile ceremonies and help keep delivery predictable across planning cycles.
Break features down into well-scoped technical tasks, estimate the work, flag risks early and help unblock teammates.
Help balance new feature work with platform health – security, reliability and maintenance.

Drive Technical Direction

Communicate progress, delivery risk, tradeoffs, and decisions early.
Partner closely with the Product Manager for member cost and transparency to turn strategy into shipped reliable software.
Be a trusted partner to the Principal Engineer. Share context openly, ask for input early, and help spread their platform knowledge across the team through pairing and documentation.

What You’ll Bring:

Required

5+ years of software engineering experience with strong, current hands-on coding ability. (Typically a Bachelor’s + 5 years or a Master’s + 3)
Experience mentoring engineers and leading technical design and code reviews.
Depth in C# / .NET building and operating production REST APIs and backend services.
Experience with relational data stores (SQL Server and/or PostgreSQL) and cloud-hosted services on AWS.
Comfort operating in an Agile environment, sprints, PI planning, and commitment-based delivery, partnering with Scrum Masters and Product Managers.
Ability to work across a hybrid legacy-and-modern codebase, make sound technical tradeoffs, with security and reliability in mind.
Strong software design fundamentals, including API design, data modeling, automated testing, and CI/CD pipelines.
A collaborative, low-ego approach. You learn from experienced technical leads while bringing your own ideas and perspective.

Preferred

Healthcare IT experience, especially member cost, claims, benefits, or price-transparency data (e.g., X12 EDI 270/271 and 837, No Surprises Act, Transparency in Coverage).
Experience modernizing legacy systems, service decomposition, or migrations such as cache or secrets-management changes.
Familiarity with Rust, distributed caching (Redis/Valkey), messaging (SQS/RabbitMQ), and observability tooling (Datadog, OpenTelemetry).
Experience with containers and infrastructure as code (for example, Docker, ECS or Kubernetes, and Terraform).
Working knowledge of healthcare data privacy and security concepts (PHI/PII).
Experience with Jira and Confluence for delivery and documentation.

Please note at this time we are unable to proceed with candidates who require visa sponsorship now or in the future.

Location and Workplace Flexibility Zelis is headquartered in the U.S., with multiple locations across the country and in Hyderabad, India. Check out our locations to learn more about our offices. All employee work locations are based on the needs of the position and are determined by the Leadership team. In-office work and activities vary based on work and team objectives in accordance with Company policies.

While location expectations vary by role, candidates within approximately 50 miles of a U.S. office are generally preferred to support collaboration when needed. Our hybrid approach is flexible, and in-office presence is guided by team and business needs rather than a fixed weekly schedule.

Base Salary Range $122,400.00 - $168,300.00 At Zelis we are committed to providing fair and equitable compensation packages. The base salary range allows us to make an offer that considers multiple individualized factors, including experience, education, qualifications, as well as job-related and industry-related knowledge and skills, etc. Base pay is just one part of our Total Rewards package, which may also include discretionary bonus plans, commissions, or other incentives depending on the role.

Zelis’ full-time associates are eligible for a highly competitive benefits package as well, which demonstrates our commitment to our employees’ health, well-being, and financial protection. The US-based benefits include a 401k plan with employer match, flexible paid time off, holidays, parental leaves, life and disability insurance, and health benefits including medical, dental, vision, and prescription drug coverage.

Equal Employment Opportunity Zelis is proud to be an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state or local laws.

We welcome applicants from all backgrounds and encourage you to apply even if you don’t meet 100% of the qualifications for the role. We believe in the value of diverse perspectives and experiences and are committed to building an inclusive workplace for all.

Accessibility Support We are dedicated to ensuring our application process is accessible to all candidates. If you are a qualified individual with a disability or a disabled veteran and require a reasonable accommodation with any part of the application and/or interview process, please email TalentAcquisition@zelis.com.

Disclaimer The above statements are intended to describe the general nature and level of work being performed by people assigned to this classification. They are not to be construed as an exhaustive list of all responsibilities, duties, and skills required of personnel so classified. All personnel may be required to perform duties outside of their normal responsibilities, duties, and skills from time to time.

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