Staff Software Engineer (Full Stack)

At CVS Health, we're building a world of health around every consumer and surrounding ourselves with dedicated colleagues who are passionate about transforming health care.As the nation's leading health solutions company, we reach millions of Americans through our local presence, digital channels and more than 300,000 purpose-driven colleagues - caring for people where, when and how they choose in a way that is uniquely more connected, more convenient and more compassionate. And we do it all with heart, each and every day.Staff Software Engineer(full stack)Join us as we transform healthcare by building a unified technology platform for value-based care. As a Staff Software Engineer, you will be the key individual contributor driving high-impact, distributed systems from concept to production. We are looking for an entrepreneurial expert with deep technical acumen who can take full accountability for project success through hands-on development, robust design, and technical influence.

• Project Ownership & Design:
  • Take full technical accountability for projects from inception to deployment.
  • Drive and document all technical designs, including High-Level Design (HLD) and Low-Level Design (LLD).
• Strategic Alignment:
  • Partner closely with Product to ensure technical designs meet complex business requirements.
  • Collaborate with other Staff Engineers and teams to define and deliver holistic, cross-functional solutions.
• Full-Stack Development & Expertise:
  • Design, build, and maintain enterprise-grade systems with a focus on .NET (C#) for scalable backend services.
  • Hands-on experience with gRPC and REST API development.
• Data Systems Integration:
  • Design services that deeply integrate with data systems, leveraging Kafka-driven pipelines.
  • Utilize expert knowledge in PostgreSQL and other SQL-based RDBMS.
• DevOps & Automation (Full Application Lifecycle):
  • Own the full application lifecycle: implementation, testing, deployment via CI/CD pipelines (Azure DevOps/GitHub), and production monitoring.
  • Drive quality standards using tools like SonarQube and contribute to infrastructure automation with Terraform.
• Technical Mentorship & Best Practices:
  • Serve as a technical guide and mentor to peers.
  • Champion best practices for maintainability, testing, observability, and distributed systems design across the team.
• Innovation & Velocity:
  • Research, propose, and spearhead the adoption of new technologies and AI-assisted tooling (like Cursor AI) to enhance engineering velocity and platform capabilities.

• Experience: 7+ years of professional software development experience, with a proven track record of significant technical ownership over large-scale systems.
• Deep .NET Ecosystem Expertise: Extensive, hands-on experience with C# / .NET for building high-performance, scalable backend services.
• Data and Messaging:
  • Expert SQL skills and hands-on experience with RDBMS like PostgreSQL or SQL Server.
  • Proven experience with event-streaming platforms like Kafka.
• Full-Stack Capability: Proven ability to deliver large-scale systems end-to-end, including UI and service layers.
• Communication: Exceptional technical communication skills to effectively drive consensus and document complex technical solutions.

• API Design Mastery: Strong expertise in designing and implementing robust gRPC and REST APIs for distributed microservices.
• Cloud & CI/CD:
  • Strong experience with cloud platforms (Azure, AWS, or GCP).
  • Expert-level experience with containerization (Docker) and deploying through CI/CD pipelines (Azure DevOps/GitHub).
• Foundational Excellence: Elite-level understanding of software engineering fundamentals:
  • Distributed systems design, architecture patterns, concurrency, algorithms, and defensive programming.
• Deep RDBMS Optimization: Proven expertise in PostgreSQL/SQL Server query tuning, indexing, and data partitioning for performance at scale.
• Domain-Driven Design (DDD): Practical experience applying DDD principles to model complex business domains and structure scalable microservices.
• Advanced Testing Practices: Experience with contract testing (for API boundaries) and implementing automated performance or load testing frameworks.
• Application and Performance Monitoring (APM): Experience configuring and utilizing platforms like New Relic for proactive alerting, distributed tracing, and root cause analysis.
• Advanced CI/CD Strategies: Proven experience with advanced deployment patterns (e.g., blue/green, canary releases) and integrating quality gates (SonarQube) into pipelines.
• Security Best Practices: Practical knowledge of implementing security controls such as OAuth/OIDC, JWT handling, and addressing common vulnerabilities (e.g., OWASP Top 10).
• Familiarity with asynchronous, event-based architectures (e.g., event sourcing, Saga patterns).
• Experience with agile methodologies and acting as the technical authority within a development team.

• Affordable medical plan options, a 401(k) plan (including matching company contributions), and an employee stock purchase plan.
• No-cost programs for all colleagues including wellness screenings, tobacco cessation and weight management programs, confidential counseling and financial coaching.
• Benefit solutions that address the different needs and preferences of our colleagues including paid time off, flexible work schedules, family leave, dependent care resources, colleague assistance programs, tuition assistance, retiree medical access and many other benefits depending on eligibility.