Top Backend Developer Jobs

Develop and run HPC back-end simulations to forecast chemical and radiological hazard areas using OMEGA and chemical hazard modeling tools; migrate batch scheduling from Torque/qsub to Slurm; maintain Unix/HPC environments; produce technical documentation, briefs, TTPs, and provide training and support.

Develop backend services and APIs for high-performance Web3 dApps on the Sei blockchain. Work with production Solidity contracts, design and manage SQL/NoSQL databases, and deploy infrastructure using AWS and Terraform. Collaborate with ecosystem partners to iterate quickly and ensure scalable, reliable backend systems.

The Senior Software Engineer will design and build scalable audio inference systems, mentor junior engineers, and collaborate with teams to develop products using cutting-edge AI technologies.

The Senior Backend Engineer will develop and maintain backend systems, collaborate on data-driven solutions, and enhance products using machine learning.

Design, build, and maintain scalable backend services and APIs. Collaborate with cross-functional teams while ensuring code quality and maintaining security measures.

The Senior Software Engineer will architect and build backend systems, APIs, and developer tools, enhancing team efficiency and reliability, while supporting the Growth Engineering team's mission.

The Sr. Backend Engineer will develop the core platform and web app using Typescript and Node.js, focusing on performance optimization and UI/UX implementation.

The Senior Staff Software Engineer will lead the design and development of GEICO's core billing platform, enhancing scalability and ensuring high-quality delivery. Responsibilities include mentoring engineers, managing technical challenges, and collaborating across teams to achieve strategic objectives.

The Software Engineer Intern will design and build mission-critical backend services for satellite control, telemetry monitoring, and software infrastructure, collaborating with various teams.

The Backend Software Development Engineer III will design and implement backend solutions, focus on scalable APIs, data ingestion, and support cross-functional collaboration while ensuring code quality through testing and reviews.

As a Staff Software Engineer, you will lead product development from design through deployment, collaborating on software for delivery operations including backend services and user products.

As a Backend Software Engineer, you'll develop and maintain REST APIs using Django, manage cloud infrastructure, and oversee CI/CD pipelines to support consumer fintech applications.

As a Backend Software Engineer, you'll design scalable features, contribute to architecture, work closely with customers, and ensure quality code.

Design, develop, and deliver scalable security features for Cohesity DataProtect & SaaS Platform. Provide technical leadership and manage project deliverables collaboratively.

Own and evolve billing and monetization systems to ensure accurate invoicing, reliable revenue capture, reconciliation, observability, and automation. Build plans, pricing, usage, discounts, credits, refunds, and internal tools while partnering with Finance, Support, GTM, and Product to enable scale and pricing agility.

Build and maintain Django-based backend systems: design APIs, data models, and Celery pipelines; optimize Postgres/PostGIS queries; integrate AI and third-party services; deploy, monitor, and mentor engineers to deliver reliable, high-performance features.

The Senior Backend Engineer will design, develop, and maintain blockchain-based crypto wallet systems, ensuring security and performance while collaborating with various teams and driving product advancements.

Build and operate the LangSmith Deployments runtime for long-running AI agents: design distributed queue/worker systems, own state persistence and job claiming, implement resumable streaming, instrument production systems, participate in on-call and incident response, produce system documentation, and contribute to open-source LangGraph.

As a Senior Backend Engineer, you will design and build core services for a global trading platform, focusing on scalable, resilient backend systems using Rust and TypeScript, while collaborating with cross-functional teams.

As a Backend Software Engineer, you will lead projects, collaborate with teams, and build secure backend systems for SaaS products.

Seeking a senior backend engineer to design and develop scalable APIs for AI/ML services, ensuring performance, security, and reliability.

The Senior Backend Engineer will develop backend services and APIs, lead projects, mentor engineers, and implement best practices for security and compliance in a collaborative and agile environment.

The Senior Software Engineer will build and maintain backend applications, services, and APIs, ensuring efficient student transportation by architecting solutions and leading projects.

The Senior Backend Engineer will design and build resilient and scalable core backend services, tackling complex, long-running processes and making key technology decisions for a startup platform.

Design, build, and operate backend services and data infrastructure powering member-facing and clinical workflows. Implement and maintain APIs, optimize performance and scalability, debug production issues, and collaborate with product and frontend teams to deliver reliable, secure backend solutions.