OneMain Financial Jobs

Job Description

As a Senior Software Engineer, you will be a key technical contributor in designing, developing, and delivering high-quality software solutions that power our healthcare technology platform. You'll collaborate with cross-functional teams including Product Owners, Content Subject Matter Experts, QA Engineers, and fellow developers to create innovative features and enhance existing systems. This role requires strong technical expertise, critical thinking, and the ability to solve complex problems in a dynamic, fast-paced environment.

Key Responsibilities

• Design and develop software features according to business requirements and technical specifications, ensuring scalability, performance, and maintainability

• Build and maintain RESTful APIs using WebAPI, working with JSON for data interchange in distributed systems

• Develop and optimize database solutions including SQL scripts, stored procedures, functions, triggers, and performance tuning to ensure efficient data access patterns

• Create responsive, user-friendly interfaces using modern JavaScript frameworks (AngularJS, Angular, React) and ensure seamless user experiences

• Write clean, well-organized, and documented code following SOLID principles and design patterns, including comprehensive automated unit tests

• Identify and resolve potential concurrency issues including blocking and deadlocking scenarios through careful code design and review

• Debug complex issues in existing codebases and refine feature implementations based on testing feedback and production insights

• Contribute to technical design documentation and architecture decisions, ensuring solutions align with long-term product strategy

• Participate in the full software development lifecycle from requirements analysis through deployment and production support

• Collaborate effectively with distributed teams across time zones, demonstrating strong communication and teamwork skills

• Drive innovation by identifying opportunities to leverage new technologies and streamline development processes

We are a company committed to creating diverse and inclusive environments where people can bring their full, authentic selves to work every day. We are an equal opportunity/affirmative action employer that believes everyone matters. Qualified candidates will receive consideration for employment regardless of their race, color, ethnicity, religion, sex (including pregnancy), sexual orientation, gender identity and expression, marital status, national origin, ancestry, genetic factors, age, disability, protected veteran status, military or uniformed service member status, or any other status or characteristic protected by applicable laws, regulations, and ordinances. If you need assistance and/or a reasonable accommodation due to a disability during the application or recruiting process, please send a request to HR@insightglobal.com.To learn more about how we collect, keep, and process your private information, please review Insight Global's Workforce Privacy Policy: https://insightglobal.com/workforce-privacy-policy/.

Skills and Requirements

• Bachelor's or Master's degree in Computer Science, Information Technology, or equivalent practical experience

• 5-8 years of professional software development experience building enterprise-scale applications

• .NET Framework and .NET Core/5+ with strong C# programming expertise

• Modern JavaScript frameworks including AngularJS, Angular, and/or React (experience with multiple frameworks highly valued)

• SQL Server database development including stored procedures, functions, views, indexes, and query optimization

• RESTful API design and development using ASP.NET WebAPI or similar frameworks

• Message-based architectures using Kafka protocol messaging systems (RedPanda, Kafka, or similar event streaming platforms)

• Unit testing frameworks and test-driven development practices (xUnit, NUnit, or equivalent)

• MVC/MVVM design patterns and enterprise application architecture

• HTML5, CSS3, XML, JSON, and modern web standards

• Version control systems including Git, Azure DevOps, GitHub, or BitBucket

• Strong understanding of object-oriented programming principles and SOLID design principles - Cloud platforms, particularly AWS (EC2, RDS, Lambda, S3, - CloudWatch) - this is a major plus as we're actively migrating our infrastructure

• Microsoft Fabric and Azure data platform technologies

• Power BI for data visualization and business intelligence

• Elasticsearch for search and analytics functionality

• Playwright or similar end-to-end testing frameworks

• Redis caching strategies and implementation patterns

• Microsoft Rules Engine or other business rules management systems

• Microservices architecture and containerization (Docker, Kubernetes)

• Entity Framework or other ORM frameworks

• Performance profiling tools and optimization techniques

• Experience in healthcare technology, HIPAA compliance, or regulated industries