Backend-Driven Full-Stack Engineer for Scalable Systems

Lendbuzz Inc.; Boston (MA); On-site; USD 110,000 - 120,000; Full time

Job summary

Lendbuzz Inc. is seeking a backend-focused full-stack Software Engineer to build scalable backend systems and contribute to frontend features using React, Next.js, and TypeScript.

The role blends ~70% backend work with ~30% frontend, collaborating across design, product, and backend teams. You will own features from design through deployment, participate in agile cycles, and help expand services with a focus on speed, reliability, and scale.

Qualifications

• 3+ years of backend development experience.
• Experience designing and implementing RESTful APIs, with familiarity in microservices and event-driven architecture.
• Fluency in relational database technologies such as PostgreSQL.
• Strong grounding in testing methodologies including TDD and automated testing frameworks.
• Experience with AWS or comparable cloud infrastructure.
• Working knowledge of React, Next.js, and TypeScript, with willingness to contribute across the stack.

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 for speed, scalability, and reliability.
• Contribute to frontend development in React, Next.js, and TypeScript, across the stack as needed.
• Research, prototype, and evaluate new tools to improve development workflow.
• Develop internal tools and integrate with external APIs.
• Contribute to expansion, testing, and release of products impacting thousands of customers.

Skills

Backend development

RESTful APIs

Microservices

Event-driven

TDD

Relational DBs

Cloud infra

AI tooling

Cross-stack

Communication

Education

Bachelor's degree in CS/Engineering or equivalent

Tools

PostgreSQL

AWS

React

Next.js

TypeScript

Job description

Lendbuzz Inc. is seeking a backend-focused full-stack Software Engineer to build scalable backend systems and contribute to frontend features using React, Next.js, and TypeScript.

The role blends ~70% backend work with ~30% frontend, collaborating across design, product, and backend teams. You will own features from design through deployment, participate in agile cycles, and help expand services with a focus on speed, reliability, and scale.