Top Software Engineer Jobs in Leon

The Sr. Software Engineer will enhance Backblaze's storage platform by improving durability and throughput while managing software development lifecycle processes.

Lead architecture, development, and maintenance of scalable React Native iOS/Android apps. Optimize performance, integrate REST/GraphQL APIs, ensure test coverage and secure mobile practices, contribute to CI/CD and release processes, mentor engineers, and collaborate with cross-functional distributed teams.

Lead design and development of scalable Ruby on Rails backend systems, optimize PostgreSQL performance, implement third-party integrations, ensure test coverage, contribute to deployment/infrastructure (Docker/Kubernetes/CI-CD), mentor engineers, and collaborate with product and design to deliver reliable SaaS and API solutions.

Lead design and development of scalable Node.js backend systems, implement REST/GraphQL APIs, optimize PostgreSQL, build async/event-driven workflows, ensure security, testing, observability, CI/CD, and mentor engineers while owning complex technical initiatives.

Lead frontend architecture and development using React and TypeScript, build reusable components, integrate with REST/GraphQL backends, ensure performance, accessibility and test automation, mentor engineers, and contribute to CI/CD, containerized deployments, and technical documentation to improve scalability and maintainability.

The Staff Software Engineer will design and implement features, develop REST APIs, mentor engineers, and debug production issues in a fast-paced environment.

As a Sr. QA Automation Engineer, you'll create test plans, perform testing, lead automation initiatives, and collaborate with teams to ensure high-quality trading platform features.

Design, build, and optimize high-performance AI infrastructure systems to support intelligent agents, ensuring reliability and scalability for millions of users.

Senior full-stack engineer to design, develop, and maintain scalable web applications using React, TypeScript, JavaScript, and Python; build REST/GraphQL APIs and backend services; work with relational/NoSQL databases; contribute to CI/CD, testing, deployments, and production support; participate in architecture and modernization efforts; mentor junior developers and collaborate across Product, Design, QA, and Engineering.

Own and deliver backend features across the Ecosystem team: design, code, unit test, debug, and tune services. Implement REST APIs, instrument for monitoring, fix CI/production issues, collaborate with frontend, infrastructure and domain teams, and build automation for CI/CD.

The Senior Software Engineer will design and operate data ingestion and processing systems for multimodal data, ensuring quality, security, and compliance while optimizing for performance and reliability. Responsibilities include building pipelines, handling messy data, and partnering with teams to enhance the platform's capabilities.

As a Senior Software Engineer, you will design and develop software applications, mentor team members, and contribute to building innovative solutions in a fast-paced environment.

Lead design and implementation of backend systems for genomic applications, own services and codebases, mentor engineers, and collaborate cross-functionally. Champion and safely apply AI tooling, maintain compliance in a regulated environment, reduce technical debt, and improve engineering practices and production reliability.

Lead and shape Rancher core product architecture and strategy, solve complex Kubernetes and cloud-native challenges, mentor engineers, drive technical direction, recruit talent, and contribute high-impact engineering solutions for scalability, security, and authentication.

Lead a developer platform team to deliver internal developer platform capabilities, IaC, CI/CD, observability and AI-assisted tooling. Balance hands-on engineering with roadmap ownership, coaching, hiring, and cross-team alignment to improve developer productivity and platform reliability.