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!