Hybrid Full-Stack Engineer, Backend Oriented

at Lendbuzz

• Job title: Full-Stack Engineer, Backend Oriented
• Job type: Full Time
• Experience level: Mid level, Senior
• Salary: Not specified
• Degree requirement: Bachelor's Degree
• Tech skills: AWS, Cloud, JavaScript, Jest, Microservices, Next.js, Node.js, Python, React, Ruby, TypeScript
• Location requirements: Hybrid, Tel Aviv, Israel

About the role

• Full-Stack Engineer with strong backend expertise joining Sales R&D team at Lendbuzz. Building high-performance systems for innovative financial technologies in Tel Aviv.

Responsibilities

• Design and deliver end-to-end features across backend services and frontend applications, with strong emphasis on backend architecture, data integrity, and system reliability.
• Develop and maintain SPA web applications for admin and product platforms using React + TypeScript and Next.js, including contributing to the modernization of legacy Ruby components.
• Develop and maintain backend services across Python (FastAPI) and Node.js (NestJS) microservices, ensuring strong performance, robust data management, and ongoing modernization efforts.
• Design, implement, and maintain reliable REST APIs with clear contracts, validation, and consistent error handling.
• Work with complex relational data models, continuously improving query performance and data reliability.
• Lead investigations and root-cause analysis for performance, optimization, and production-related issues, driving long-term improvements.
• Collaborate closely with frontend, backend, QA, and product teams in a multi-repo environment, including active code reviews and cross-site collaboration with our Boston engineering team.
• Take ownership of code quality and production stability by writing automated tests (e.g., pytest, Jest) and driving issues from investigation through resolution and prevention.

Requirements

• B.Sc. in Computer Science or Software Engineering from a top-tier academic institution (Technion, TAU, BGU, HUJI, or the Open University)
• 3+ years of professional software engineering experience building and maintaining production web application systems.
• Strong backend experience with Python or TypeScript, working within service-oriented architectures.
• Experience developing frontend web applications using TypeScript and modern frameworks such as React.
• Solid production experience with relational databases, including schema design, query optimization, and performance tuning.
• Experience working with AWS and cloud-based infrastructure, and improving developer workflows in multi-repo environments.
• Experience designing and maintaining REST APIs used by web applications.
• Strong debugging skills and experience troubleshooting performance and reliability issues in production systems.
• Proven experience leading the full dev lifecycle: from driving technical design and scaling product requirements, to hands-on execution with high standards for code reviews, documentation, and incremental delivery.
• Strong communication skills and an ownership mindset.

Benefits

• A culture that values product ownership, collaborative architectural planning, and building wins for your resume/portfolio as much as for the company.
• Smart, dynamic people with whom you can share the experience of building something unique.
• Competitive salary with opportunities for growth and advancement.