Backend Software Engineer

Lendbuzz; Boston (MA); On-site; USD 130,000 - 170,000; Full time

Benefits offered by this job

Dental and Health Insurance

Company Outings

401(k)

Fitness Center

Unlimited PTO

Stocked Kitchen

Company Issued Hardware

Cool Swag

Job summary

Lendbuzz in Boston is seeking a backend-focused Software Engineer to build high-quality, scalable backend systems behind our products and help shape the user experiences they power.

You’ll work in our Core squad, drive architecture for a scalable platform, migrate to containerized AWS services, and implement event-driven workflows with Kafka and microservices.

Qualifications

• 5+ years of production backend software development experience.
• Proficient Python and building scalable microservices.
• Experience with PostgreSQL, AWS, ECS/K8s, and IaC.
• Experience with Kafka or RabbitMQ or Temporal.
• Bachelor’s or Master’s in CS or related field.

Responsibilities

• Design and implement scalable backend systems and APIs.
• Develop event-driven architectures using Kafka or similar.
• Migrate and manage containerized AWS services and microservices.
• Improve CI/CD pipelines and developer experience.
• Collaborate with product and platform teams to unblock delivery.

Skills

Python

Backend development

PostgreSQL

AWS

Kafka

RabbitMQ

Kubernetes

CI/CD

Microservices

Education

Bachelor's degree in CS or related field

Tools

ECS

K8s

Terraform

Docker

Job description

• We’re looking for a backend-focused Software Engineer to build high-quality, scalable backend systems behind our products and help shape the user experiences they power
• As part of our Boston-based Core squad, you’ll take on complex, high-impact technical challenges that help our product teams move faster. You’ll play a key role in making Lendbuzz’s products reliable and sustainable as we scale
• Drive the architecture and implementation of Lendbuzz’s core platform to ensure high scalability and system reliability as the company grows
• Build and maintain Python backend services behind RESTful APIs and event-driven (Kafka) workflows
• Modernize legacy architecture: migrate our core platform to containerized AWS services and split out domain microservices, rolling them out safely with canary releases
• Improve CI/CD and developer experience: faster test runs, better deploy workflows, and smoother releases
• Strengthen reliability through monitoring, health checks, autoscaling, and well-run scheduled jobs and data pipelines
• Work with product and platform teams to unblock delivery and make shared systems easier to build on

Benefits

• Dental and Health Insurance
• Company Outings
• 401(k)
• Fitness Center
• Unlimited PTO
• Stocked Kitchen
• Company Issued Hardware
• Cool Swag

Requirements

• Familiarity with agentic development workflows and AI coding tools (Claude Code, Cursor, or similar), and an interest in applying them to real engineering work.
• Deep technical fluency with relational databases (PostgreSQL, AWS RDS), cloud infrastructure (AWS), container management (ECS/K8s), and Infrastructure as Code (IaC).
• Proven track record designing scalable microservices and complex event-driven architectures using Kafka and RabbitMQ or Temporal.
• Self-driven, adaptable, and creative problem-solver who thrives in a dynamic, fast-changing environment — able to independently tackle complex technical challenges and production issues while collaborating seamlessly within a team.
• 5+ years of production backend software development experience, with proficient Python expertise.
• Bachelor’s or Master’s degree in Computer Science, Engineering, or a related field (or equivalent experience).