We are seeking a highly skilled Senior Backend Engineer to join our team.
Youll tackle complex challenges at the intersection of backend development, scale and data - building and optimizing algorithms that power our marketplace.
What will you do?
Design, develop, and optimize backend solutions that implement scalable, efficient algorithmic solutions.
Solve complex performance and low-latency challenges for data-heavy, high-throughput distributed systems.
Collaborate with data scientists, product, and other backend engineers to research, develop, and deploy end-to-end solutions that drive global business KPIs.
Ensure that all backend systems are tested, optimized, and continuously monitored
Develop a strong understanding of the business to provide high-impact solutions to our stakeholders.

The Fly group is seeking a Senior Software Engineer to join a startup-like unit incubated under the CTO office. The team is developing Fly, the worlds first Agentic Artifact Repository. Fly delivers a "Zero Config" experience, allowing developers to move from code to production through seamless agentic flows.
This is a unique opportunity to operate with the agility of a startup while leveraging the backing of our established resources. We build on our industry-leading technology while owning and extending our own stack, enabling a fast pace of execution and the rapid introduction of new innovations into the product. We are designing a highly scalable, multi-tenant SaaS solution that integrates deeply within the broader developer ecosystem to deliver a seamless, plug-and-play experience.
As a Senior Software Engineer you will
Architect and build scalable, multi-tenant microservices that serve as the backbone of our SaaS platform.
Design and implement agentic workflows using LLMs, MCP, and AI agents.
Leverage advanced AI coding agents to accelerate development, writing context-aware, best-practice code across diverse technical domains.
Develop integrations bridging our platform with the external ecosystem, including GitHub, Kubernetes, and other development tools.
Drive key infrastructure and architectural decisions to ensure our system is performant, secure, and self-sustaining.
Collaborate with other teams to leverage the company's core infrastructure and shared services effectively.

We're looking for exceptional Senior Back-End JavaScript developers, with expertise in Node.js. MongoDB, Express, Kubernetes, RabbitMQ, Cassandra and Snowflake.
In this role, you will take full ownership of product and feature development, using cutting-edge technologies, in a fast-paced and professional agile environment.
*Hybrid position.
Responsibilities:
End-to-end feature development, from conception to production.
Participate in system design and architecture planning, for optimal software performance.
Take on independent responsibilities, while contributing to the team's collective goals.
Actively learn, adapt and stay up-to-date with the evolving tech landscape, including best practices.