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Full-Stack Engineer (Backend) at Lendbuzz · Katori

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.

We're looking for a backend-focused full-stack Software Engineer to build the high-quality, scalable backend systems behind our products, and to help shape the user experiences they power.

You will play a key role in developing and scaling our in-house Operations team’s experience, owning features from design through deployment and collaborating closely with design, product, and backend teams to deliver scalable, high-performance systems.

This is a full-stack role with about 70% focus on backend systems and a 30% focus on frontend.

Key Responsibilities:

Participate in all phases of agile software development, including design, implementation, testing, and deployment
Build and maintain backend services in Python, supporting RESTful APIs and event-driven workflows
Collaborate with engineering teams to architect systems optimized for speed, scalability, and reliability
Contribute to frontend development in React, Next.js, and TypeScript, working across the full stack as product needs require
Research, prototype, and evaluate new tools and technologies to improve our development workflow
Develop internal tools and integrate with external APIs
Contribute to the expansion, testing, and release of products that impact thousands of customers

Key Requirements:

Bachelor's degree in Computer Science, Engineering, or a related field (or equivalent experience)
3+ years of backend development experience
Experience designing and implementing RESTful APIs, with familiarity in microservices and event-driven architecture
Fluency in relational database technology such as PostgreSQL
Strong grounding in testing methodologies, including TDD and automated testing frameworks
Experience with AWS or comparable cloud infrastructure
Familiarity with agentic development workflows and AI coding tools (Claude Code, Cursor, or similar), and an interest in applying them to real engineering work
Working knowledge of React, Next.js, and TypeScript, with a willingness to contribute across the stack
Proven ability to work independently, with strong communication and interpersonal skills

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!

Background Checks

After an offer is accepted, Lendbuzz conducts a pre-employment background check. Any evaluation of the background check will be subject to an individualized assessment, taking into account the applicant’s or employee’s specific record and the responsibilities and requirements of the particular role.

A Note on Recruiting Outreach

We’ve been made aware of individuals falsely claiming to represent Lendbuzz using lookalike email addresses (eg @lendbuzzcareers.com). Please note that all legitimate emails from our team come from @lendbuzz.com. We will never ask for sensitive information or conduct interviews via messaging apps.

Asks for

Key Responsibilities:

Key Requirements:

Background Checks