Co-op - Backend Engineer (Boston)

At Lendbuzz, we believe financial opportunity should be more personalized and fair. We develop innovative technologies that provide underserved and overlooked borrowers with better access to credit. From our employees to our dealers, partners, and borrowers, we've built a company and a culture around a resolute belief in the promise and power of diversity. We value independent and critical thinking. Lendbuzz is looking for a motivated Backend Engineering Co-op to support the development of scalable backend services and internal tools within a microservices architecture. Working under the guidance of senior engineers, you'll contribute to building APIs, improving system performance, and supporting database operations. This role offers hands-on experience in backend development, system design, and cloud technologies, making it ideal for students with a strong interest in distributed systems and modern backend practices. This is a full time (40 hours) co-op running from January to August 2026, and you will be expected to be in our Boston office 3 days a week. Key Responsibilities: Assist in developing and maintaining backend services within Lendbuzz's microservices environment under guidance from senior engineers Contribute to building scalable internal tools and APIs that support multiple product teams Collaborate with engineers to understand and document system architecture and design patterns Help research and prototype solutions that improve backend service performance, reliability, and maintainability Support database-related tasks, including schema updates, query optimization, and data migrations Participate in upgrading and maintaining microservice ecosystems, deployment workflows, and monitoring systems Write clean, testable code for small features and bug fixes, with mentorship and code reviews from the team Contribute to the testing and release process for customer-facing features, ensuring quality and stability Key Requirements: Currently pursuing a Bachelor's degree or above in Computer Science, Software Engineering, or a related technical field Experience with at least one modern programming language (Python preferred; Java, Go, or similar acceptable) Basic understanding of relational databases (PostgreSQL is a plus) Familiarity with REST APIs and concepts of service-oriented or microservice architectures Exposure to Docker, containerization, or cloud platforms (AWS experience a bonus, but not required) Interest in backend development, system design, and distributed systems Strong problem-solving skills, curiosity, independence, and willingness to learn new technologies quickly Ability to work collaboratively in a fast-paced, team-oriented environment $22 - $30 an hour We believe: Diversity is a competitive advantage. We celebrate our differences, and are better when we have a variety of experiences, viewpoints, and backgrounds. Compassion is a strength. We care about our customers and look to build long-term relationships with them. Simplicity is a key feature. We work hard to make our forms and processes as painless and intuitive as possible. Honesty and transparency are non negotiable. We incorporate these traits in all of our interactions. Financial opportunity belongs to everyone. We work every day to improve lives by extending this opportunity. If you believe these things too then we would love to hear from you We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.