Top Backend Developer Jobs

Design and build core backend systems and APIs for an AI-native ERP. Launch production-ready features end-to-end (CI/CD, deployment), manage complex accounting business logic, data migrations, scaling, and third-party integrations. Own architecture, testing, monitoring, and post-release care.

The Backend Software Engineer will architect and implement backend features, optimize data processing, and enhance workflow automation and machine learning integration.

As a Software Engineer, you'll design and develop microservices using a cloud-native tech stack, with a focus on financial services and secure systems.

Build and maintain Brex's credit decisioning and risk systems, including underwriting engines, bank integrations, real-time transaction pipelines, and customer-facing React/TypeScript features. Integrate and serve ML risk models, ensure sub-second latency, reliability, observability, and operational excellence. Collaborate with product, credit risk, and capital teams and participate in on-call rotation.

Build and maintain Brex's credit decisioning systems: bank integrations, financial data pipelines, underwriting engine, ML model serving, customer-facing dashboards, and internal tooling. Collaborate with risk and product teams, ensure sub-second latency, scalability, observability, and participate in on-call rotation for mission-critical financial systems.

Build and maintain backend systems for credit decisioning: bank integrations, real-time transaction pipelines, underwriting engine, ML model integration, customer-facing features, and internal tooling. Collaborate with cross-functional teams, own end-to-end solutions, and participate in on-call for mission-critical production systems.

Qualify and ramp new discrete power devices with suppliers and contract manufacturers, develop new products, monitor and report project status, troubleshoot manufacturing processes and equipment to improve quality and yield, and lead projects to reduce cost and enhance product performance.

As a Staff Backend AI Engineer, you will design and operate backend AI systems for Arbiter's care orchestration platform, ensuring reliability, low latency, and scalability while collaborating across teams and mentoring junior engineers.

Lead backend development to expand infrastructure and APIs for a scalable aviation maintenance planning SaaS. Design, build, test, and maintain high-performance services and microservices, work with product and business teams to turn ambiguous requirements into solutions, and occasionally support deployments and customer integrations.

Lead architecture and rewrites for a scalable, resilient AI-first platform. Own backend systems, data storage performance, deployment pipelines, cloud infrastructure via IaC, observability, incident response, and analytics. Mentor engineers and enable rapid customer onboarding and AI-driven automation.

Design, build, and own core backend services powering AI agents and healthcare workflows, including orchestration of asynchronous, multi-step agentic workflows, high-stakes EHR integrations, platform abstractions, and HIPAA-compliant security and auth.

Lead the design and development of Neurelo's architectural vision with a focus on Rust, building scalable, reliable systems and collaborating effectively across teams.

Develop backend services for AI applications, focusing on software design, documentation, and code reviews. Requires proficiency in Scala and cloud environments.

The Software Engineer will build scalable backend services, optimize performance, and mentor peers, focusing on distributed systems development.

Seeking a Senior Backend Engineer to build and maintain systems for a content marketing platform, focusing on performance, scalability, and innovation in a collaborative environment.

As a Backend Engineer, you will develop scalable APIs, optimize data processing pipelines, and ensure system security and reliability for AI-driven insights.

As a Founding Infra/Backend Engineer, you'll architect core platform infrastructure, manage cloud agents, and optimize system performance while collaborating with the team.

The Senior Backend Engineer will design, implement, and maintain backend services using Ruby on Rails and PostgreSQL, working to optimize performance and scalability while mentoring junior developers.

Architect and own backend systems for AI-driven property risk intelligence. Design APIs, data pipelines, and ensure system reliability.

The Senior Backend Engineer will develop large-scale systems, APIs, and data pipelines, optimize performance, and collaborate with various teams to enhance AI-ready web search capabilities.

Design and implement scalable backend services using Go and C++, optimize performance, and collaborate with teams on architectural decisions. Investigate production issues and ensure reliability and efficiency in backend systems.

The Backend Engineer develops cloud systems supporting drivers, collaborates with teams on integration solutions, and troubleshoots production issues.

As a Founding Engineer, you'll develop backend systems, optimize applications, and influence technical direction for an AI-powered knowledge platform.

The Senior Back End Software Engineer will build tools for employment compliance, integrate APIs, manage data pipelines, and develop new features while collaborating with the team.

Responsible for building and scaling payment technology solutions, designing APIs, collaborating with teams, and ensuring system performance and reliability.