Engineer Senior (Full Stack Developer)

About the role

The Engineer Senior (Full Stack Developer) is responsible for delivering end-to-end applications, system development and maintenance on complex multi technology platforms within assigned client group, business unit or corporate department and utilizing various customer technology platforms.

Responsibilities

• Design, develop, and implement robust, reusable full-stack applications with a focus on scalability, maintainability, and performance.
• Participate in and perform technical design reviews and code reviews to ensure high-quality, secure, and maintainable code.
• Define application scope, objectives, and technical specifications; develop and own technical enhancement backlogs and feature deliverables.
• Collaborate with cross-functional partners—including product, business, QA, and architecture—to understand requirements and translate them into technical solutions.
• Facilitate sessions for requirements clarification, technical design discussions, and troubleshooting complex issues.
• Work closely with product teams to plan and prioritize development work using disciplined agile practices with minimal supervision.
• Create and maintain technical documentation, including architectural diagrams, deployment procedures, and troubleshooting guides.
• Plan, schedule, and implement change deployments, framework upgrades, and maintenance activities.
• Investigate major incidents, summarize root causes, improve detection time, and drive faster, more resilient resolutions.
• Provide release and production support, ensuring systems are effectively monitored and deficiencies are proactively addressed.
• Assess current system status, support data and information planning, and ensure the stability of the technical development environment.
• Mentor team members, contribute to setting technical direction, and lead small to medium-sized projects as needed.
• Stay current with industry trends and emerging technologies to ensure adoption of best practices and continuous improvement.
• Support vendor/tool evaluations and collaborate across teams to align on standards and solutions.

Requirements

• Requires a BA/BS degree in Information Technology, Computer Science or related field of study and a minimum of 5 years related experience; multi-dimensional platform experience; expert level experience with business and technical applications, or any combination of education and experience, which would provide an equivalent background.

Preferred Skills, Capabilities & Experiences

• Full-Stack Development: 5 years of experience with .NET Core, C#, ASP.NET, MVC, Web API, and front-end frameworks such as Angular or React; working knowledge of Java/Spring Boot is a plus.
• API & Microservices: Strong experience designing and developing microservices and RESTful APIs with an understanding of SOA principles, HTTP fundamentals, and modern API design patterns.
• Deep understanding of software development principles, SOLID object-oriented design, design patterns, dependency injection, and clean architecture best practices.
• Cloud, DevOps & Deployment: Familiarity with cloud platforms (Azure or AWS), authentication/AD, key vaults, CI/CD pipelines (Jenkins, UrbanCode, Bitbucket, Jira), containerization and orchestration (OpenShift, Kubernetes).
• Databases & Data Technologies: Hands-on experience with SQL Server, MongoDB, and Elasticsearch; conceptual understanding of ETL and data processing workflows.
• Experience with messaging platforms such as RabbitMQ, TIBCO, or similar technologies.
• Strong grasp of unit testing, integration testing, TDD concepts, automated test frameworks, and performance/load testing approaches.
• Knowledge of application monitoring, alerting techniques, troubleshooting, and performance optimization.
• Demonstrated ability to mentor others, lead small projects, troubleshoot complex issues, and excel in fast-paced agile environments with strong communication skills.
• Understanding of application security requirements, protocols, and frameworks is a plus.
• Experience in healthcare or insurance technology, familiarity with digital engagement trends, personalization, and modern analytical technology stacks is a plus.

Benefits

For candidates working in person or virtually in the below location(s), the salary* range for this specific position is $132,088 to $198,132. Locations: Illinois. In addition to your salary, Elevance Health offers benefits such as a comprehensive benefits package, incentive and recognition programs, equity stock purchase and 401k contribution (all benefits are subject to eligibility requirements).