Team Lead - Software Engineering

About Us

Zelis is modernizing the healthcare financial experience in the United States (U.S.) across payers, providers, and healthcare consumers. We serve more than 750 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.

Why We Do What We Do

In the U.S., consumers, payers, and providers face significant challenges throughout the healthcare financial journey. Zelis helps streamline the process by offering solutions that improve transparency, efficiency, and communication among all parties involved. By addressing the obstacles that patients face in accessing care, navigating the intricacies of insurance claims, and the logistical challenges healthcare providers encounter with processing payments, Zelis aims to create a more seamless and effective healthcare financial system.

Zelis India plays a crucial role in this mission by supporting various initiatives that enhance the healthcare financial experience. The local team contributes to the development and implementation of innovative solutions, ensuring that technology and processes are optimized for efficiency and effectiveness. Beyond operational expertise, Zelis India cultivates a collaborative work culture, leadership development, and global exposure, creating a dynamic environment for professional growth. With hybrid work flexibility, comprehensive healthcare benefits, financial wellness programs, and cultural celebrations, we foster a holistic workplace experience. Additionally, the team plays a vital role in maintaining high standards of service delivery and contributes to Zelis award-winning culture. 

Position Overview

We are seeking a .NET Lead – Payments to drive the design, development, and delivery of mission-critical payment systems. This role combines hands-on technical leadership, architectural ownership, and team mentoring, with a strong focus on secure, scalable, and compliant payment solutions.

• You will work closely with product, architecture, compliance, QA, and DevOps teams to build resilient payment services that operate at scale.
• Key Responsibilities
• Technical Leadership
• Lead the end-to-end development of payment processing systems using the .NET stack
• Own system architecture and technical design for payment services and APIs
• Ensure high availability, fault tolerance, and performance for transaction-heavy systems
• Drive adoption of best practices (SOLID, clean architecture, domain-driven design)
• Payments & Domain Ownership
• Design and implement payment workflows, settlements, reconciliations, and exception handling
• Handle high-volume, low-latency transaction processing
• Ensure idempotency, retries, and transactional consistency
• Collaborate with business teams on payments rules, validations, and edge cases
• Security & Compliance
• Ensure compliance with PCI-DSS, HIPAA, and internal security standards
• Implement secure authentication and authorization (OAuth2, JWT, role-based access)
• Partner with security teams on audits, vulnerability remediation, and data protection
• Mentorship & Collaboration
• Lead and mentor a team of senior and mid-level engineers
• Conduct code reviews and enforce coding standards
• Participate in sprint planning, estimation, and delivery commitments
• Collaborate cross-functionally with Product, QA, SRE, and Compliance

Required Technical Skills

• Core Technologies
• Strong expertise in C#, .NET Core / .NET 6+
• ASP.NET Core Web APIs & Microservices
• RESTful services and event-driven architectures
• Payments & Data
• Strong SQL Server experience (complex queries, performance tuning)
• Experience with financial transactions and data consistency
• Knowledge of reconciliation and reporting systems
• Cloud & DevOps
• Azure ecosystem (App Services, Functions, Service Bus, Storage, Key Vault)
• CI/CD pipelines (Azure DevOps or GitHub Actions)
• Experience with Docker; Kubernetes is a plus
• Architecture & Patterns
• Microservices architecture
• Domain-Driven Design (DDD)
• Messaging & eventing (Service Bus, Kafka, or equivalent)
• Caching strategies (Redis)

Commitment to Diversity, Equity, Inclusion, and Belonging

At Zelis, we champion diversity, equity, inclusion, and belonging in all aspects of our operations. We embrace the power of diversity and create an environment where people can bring their authentic and best selves to work. We know that a sense of belonging is key not only to your success at Zelis, but also to your ability to bring your best each day.

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.

Accessibility Support

We are dedicated to ensuring our application process is accessible to all candidates. If you are a qualified individual with a disability and require reasonable accommodation with any part of the application and/or interview process, please email [HIDDEN TEXT].