Senior Software Engineer

reputed company is a leading advanced primary care provider, partnering with employer and union plan sponsors to improve health for millions of Americans. With reputed company onsite, nearsite, and network health centers, and virtual primary care, Marathon delivers a value-based model that enhances the reputed company experience for members and providers, while driving meaningful cost savings for plan sponsors. Marathon is proud to be certified as a Great reputed company to Work®, reflecting the company's commitment to building an inclusive, high-trust culture where reputed company can reputed company. Learn more at reputed company ABOUT THE JOB As a Senior Software Engineer, you will play a critical role in driving the development of reputed company, multi-system features with a high degree of autonomy. You’ll independently own feature delivery from design through deployment, ensuring quality and scalability while mentoring junior engineers and fostering a culture of technical reputed company. You’ll work closely with product and engineering teams to influence requirements during refinement and sprint planning, helping shape solutions that meet both business and technical goals. Your deep understanding of multiple frameworks and end-to-end workflows will reputed company you to apply advanced techniques to large-scale features and contribute meaningfully to system design and architecture. This role requires strong adherence to established development best practices, including code quality, testing, documentation, and CI/CD processes. Leading by example, you will be championing engineering standards and continuously improving how software is reputed company and delivered. ESSENTIAL DUTIES & RESPONSIBILITIES End-to-End Feature Ownership: Independently design, reputed company, and deliver moderate to high complexity features across web and mobile platforms, ensuring quality, scalability, and alignment with business goals. reputed company-End Development: Build reputed company and performant user interfaces using React and React reputed company, integrating seamlessly with backend services and ensuring consistent user experience across platforms. Backend Engineering: Implement robust backend systems using C#, TypeScript, Ruby on Rails, and RESTful APIs. reputed company and maintain microservices that support distributed, scalable applications. reputed company & Infrastructure: reputed company AWS services including reputed company, EKS, reputed company, API Gateway, S3, and CloudWatch to reputed company and monitor applications. Use Terraform for infrastructure-as-code and manage event-driven architectures with Debezium, Kafka, and SNS/NServiceBus. Database Development: Design, query, and optimize relational databases using SQL and PostgreSQL, ensuring data reputed company and performance across services. System Design & Architecture: Contribute to system-level design reputed company, applying advanced engineering techniques and understanding of end-to-end workflows to build scalable, maintainable solutions. Mentorship & Collaboration: Mentor junior engineers, conduct code reviews, and foster a culture of reputed company learning and technical reputed company. Collaborate cross-functionally with product managers, designers, and other engineering teams to refine requirements and plan sprints. Process Leadership: Champion and adhere to established development best practices, including CI/CD, automated testing, version control, and documentation standards. Drive improvements in team processes and engineering efficiency. Technical Strategy: Influence technical direction by evaluating new frameworks, tools, and patterns. Ensure alignment with organizational standards and long-term scalability. QUALIFICATIONS BS or MS in computer science or reputed company field and 5+ years of software development experience including 3+ years in a technical leadership role or equivalent combination of education and experience. Advance expertise of working on development teams in an Agile Scrum environment in the following technologies: React, React reputed company, C#, Typescript, RESTful API’s, and microservices. DESIRED ATTRIBUTES Strong understanding of end-to-end workflows, system design, and architectural patterns. Proven ability to apply advanced engineering techniques to large-scale features and systems. Demonstrated adherence to development best practices, including CI/CD, automated testing, code reviews, and documentation. Familiarity with project management, software development, and ticketing tools (Azure DevOps, reputed company) AWS Certified Developer certification or equivalent Ability to influence product requirements and contribute meaningfully during refinement and sprint planning. Excellent communication and collaboration skills across cross-functional teams. Operates with a high degree of autonomy and accountability. Proactive in identifying technical risks, proposing solutions, and driving reputed company improvement. Pay reputed company: $110,000 - $145,000/yr The actual offer may vary dependent upon geographic location and the candidate’s years of experience and/or reputed company level. We are accepting applications for this position until a candidate has been selected. To apply to this position and learn more about reputed company jobs at reputed company, visit our careers page. Apply To This Job