Top Backend Developer Jobs

Build and maintain core backend infrastructure for a decentralized perpetual exchange: develop an Entity Service API and UI, architect a low-latency real-time pricing engine, collaborate with quants/infra/data teams, and propose high-impact initiatives to scale the platform.

The role involves building and maintaining scalable backend solutions and infrastructure for the Databricks platform, focusing on resource management and cloud services.

Design and implement backend services and APIs, develop systems for personalization and recommendations, and collaborate with product teams to enhance the platform.

Contract .NET backend developer to design, build, and maintain server-side systems. Work with C# (4.0+), ORM tools (Dapper/Entity Framework), SQL Server, Web Services and Web API. Role is likely onsite in Pittsburgh for a 3–6+ month engagement; local consultants preferred.

Design, build, and maintain scalable backend services and data interfaces. Develop REST/GraphQL APIs, implement data ingestion/transformation, integrate with databases and third-party platforms, ensure security, reliability, and observability, and support CI/CD and infrastructure-as-code workflows.

Lead migration and optimization of low-latency trading infrastructure using IaC. Build self-service platform, orchestration tooling, and observability; reduce latency, run chaos/stress tests, and harden systems for security and reliability.

Develop and maintain Java backend services using Spring and microservices architecture. Require strong AWS expertise, troubleshooting skills, CI/CD experience; Kafka experience is a plus.

As a Senior Backend Engineer at Posh, you will design, build, and maintain scalable systems and APIs for AI features, focusing on Multi-Agent Systems and cloud infrastructure management.

The Senior Backend Engineer will enhance data integration infrastructure, manage internal systems, and collaborate with teams to execute engineering tasks for growth initiatives.

As a Senior Software Engineer, you'll own backend systems, mentor team members, and collaborate with product and design to build user-focused solutions.

As a Sr. Software Engineer, Backend, you will develop AI-powered solutions for clinical documentation and medical coding, collaborating with cross-functional teams to enhance SaaS products and deliver actionable insights for healthcare organizations.

Design, build, and deploy backend services for creative tools. Integrate with AWS, ensuring scalable and secure Python code for event processing and APIs.

Design and build scalable, reliable backend services and APIs. Participate in architecture and design reviews, collaborate with cross-functional squads, write clean testable code, use AI/LLM tools responsibly, and deliver customer-focused features rapidly.

The Backend Developer SME leads backend and geospatial technology initiatives, provides architecture strategies, and interacts with senior client leadership while ensuring technological alignment with mission objectives.

The Senior Backend Developer will lead backend services development, optimize DevSecOps pipelines, and manage geospatial systems integration, ensuring operational efficiency using modern technologies.

This role involves designing and building high-performance backend systems and APIs while collaborating with cross-functional teams to meet evolving product needs.

As a Back-End Engineer, you will develop and maintain an AI-powered game engine, collaborate on scalable systems, and optimize performance.

Designs, builds, and maintains backend services and APIs, manages on-call responsibilities, and leads technical strategy to enhance user growth and monetization.

Design, build, test, and maintain backend services and APIs for an insurance platform. Integrate external services and data providers, improve system stability, performance, and scalability, participate in architecture discussions, mentor teammates, and support internal tooling and deployment practices.

As a Sr. Software Engineer, you will design and develop backend services, APIs, and infrastructure for broker integrations, collaborating closely with cross-functional teams.

As a Backend Software Engineer, you will design and implement scalable services, focusing on API design and system architecture while mentoring team members.

The Lead Software Engineer will manage technology projects, mentor developers, deliver cloud-based solutions, and utilize various programming languages and technologies.

The Back-End Web & Application Engineer will develop and maintain web applications, manage CMS back-ends, and participate in project planning.

The Senior Backend Engineer will extend back-end systems architecture, develop scalable services, and design REST APIs while ensuring code quality and fault tolerance.

As a Backend Engineer at Coral AI, you will design and build scalable backend systems, collaborate with teams, enforce best practices, and mentor engineers.