Senior Software Engineer (R14016)

Oportun is a mission-driven financial services company that empowers its members with intelligent borrowing, savings, and budgeting capabilities. As a Senior Software Engineer, you will be a key technical contributor responsible for designing, building, and maintaining scalable, reliable platform services and shared libraries, while collaborating with various teams to enhance the engineering platform.

Responsibilities:

• Design, build, test, deploy, and maintain scalable, reliable platform services and shared libraries
• Contribute to platform and system architecture decisions with a focus on reliability, scalability, and developer experience
• Write high-quality, maintainable code and set a strong example of engineering best practices
• Collaborate with Staff Engineers and peers to implement standards and patterns that support Continuous Delivery
• Identify and address performance, scalability, and reliability issues across platform services
• Participate actively in design reviews, code reviews, and technical discussions, providing thoughtful and constructive feedback
• Drive operational excellence by improving monitoring, alerting, and incident response practices
• Investigate root causes of production issues and implement long-term fixes to reduce on-call burden
• Mentor and support junior and mid-level engineers through code reviews, pairing, and technical guidance
• Partner with cross-functional teams to understand requirements and deliver solutions that create measurable business and customer value

Requirements:

• Requires a minimum of 7–8 years of related experience with a bachelor's degree; or a master's degree with an equivalent combination of education and experience
• Strong experience in software development with a focus on backend systems and services
• Proficiency in Java, C#, C++, or similar backend languages
• Strong understanding of software design principles, data structures, and algorithms
• Experience building and operating scalable, reliable, and secure systems
• Experience (3+ years) designing, building, deploying, and maintaining container-based applications
• Experience (4+ years) working with cloud platforms such as AWS, GCP, or Azure
• Strong problem-solving skills and ability to debug complex technical issues
• Experience with Continuous Delivery practices and automated deployment pipelines
• Effective communication and collaboration skills, with the ability to work well within cross-functional teams
• Experience mentoring junior engineers and contributing to team-level technical leadership
• Working knowledge of secure development practices and security considerations in distributed systems
• Financial services or fintech industry experience is a strong advantage