Posted Apr 23, 2026
As a Senior Software Engineer at Optum, you will play a crucial role in designing, implementing, and maintaining efficient APIs, building responsive and dynamic user interfaces, and managing databases. Your expertise in .Net API development, front-end development using React, object-oriented programming principles, database management, and version control systems will directly contribute to improving health outcomes by connecting individuals with the care, pharmacy benefits, data, and resources they need to thrive. Key Responsibilities:
Qualifications Required:
Hands-on experience with .NET API development (C#, ASP.NET Core) with strong OOP and design-pattern fluency
Experience with database management, particularly SQL Server or other relational databases
Knowledge of software development life cycle (SDLC) and agile methodologies
Proficiency in front-end development using React, including hooks, component composition, state management, and testing
Demonstrated ability to consume/produce RESTful APIs and integrate with internal platforms or services
Proven SQL skills for querying and integrating with application data stores
Excellent written and verbal communication skills Please note that as part of UnitedHealth Group, the mission is to help people live healthier lives and make the health system work better for everyone. Join the team at Optum to start making a positive impact on the health optimization of communities globally. As a Senior Software Engineer at Optum, you will play a crucial role in designing, implementing, and maintaining efficient APIs, building responsive and dynamic user interfaces, and managing databases. Your expertise in .Net API development, front-end development using React, object-oriented programming principles, database management, and version control systems will directly contribute to improving health outcomes by connecting individuals with the care, pharmacy benefits, data, and resources they need to thrive. Key Responsibilities:
Design, implement, and maintain efficient APIs using .Net technologies
Build responsive and dynamic user interfaces using React
Apply solid understanding of object-oriented programming principles and design patterns in software development
Manage and query databases effectively using SQL Server or other relational databases
Use version control systems like Git for code management and collaboration
Qualifications Required:
Don't want to apply yourself?
Our team writes your resume, applies for you, preps you for interviews, and negotiates your offer.
Browse Jobs
By Role
By City