Top Backend Developer Jobs

Develop and optimize multi-channel eCommerce applications, focusing on architecture and hands-on development using Java and ATG modules. Work collaboratively with cross-functional teams and clients.

Develop and maintain Java Web/Enterprise applications with a focus on design patterns, application servers, and security solutions while ensuring scalability and connectivity.

Lead design and implementation of high-performance agent runtimes, backend services, and self-hosted model/agent infrastructure. Build low-latency execution systems, real-time data pipelines, telemetry loops, CI/CD for zero-downtime deployments, and ensure fleet reliability on AWS/EKS.

As a Backend Engineer, you will design and build backend systems and APIs for LangChain's observability and evals platform, optimizing performance and reliability while collaborating with cross-functional teams.

As an AI Platform Engineer, design and optimize the AI-native platform, develop scalable infrastructure, and collaborate with teams to solve complex AI deployment challenges.

Design, implement, and maintain Python backend services and scalable data pipelines using dataframes, Parquet, and Databricks. Optimize distributed processing, build APIs, ensure data quality and observability, and mentor engineers.

As a Platform Backend Engineer, you'll develop core systems for ingesting and serving high-volume sensor data, optimizing ETL pipelines, and creating real-time dashboards for manufacturing insights.

Build and operate Cheiron's agent layer and backend systems: agent runtime/harness, tool-calling, sandboxed code execution, agent memory, vector DB/RAG/semantic search, large-scale ingestion and indexing of life sciences data, and APIs/services using Python, FastAPI, and Postgres. Ensure reliability, observability, and verifiable source-grounded outputs while working directly with founders and early customers.

The Senior Backend Developer will architect and build scalable backend systems, integrate AI technologies, and collaborate with frontend teams to enhance user experience.

As a Junior Backend Developer, you'll translate UI/UX designs into code, integrate with APIs, and utilize AI tools for efficiency.

Looking for an Android Developer with experience in backend Java, Linux scripting, and command execution. Contract position for 9+ months, extendable to 24 months.

Seeking candidates for three Java positions: Backend, Full Stack, and Lead Developer. Must have relevant experience in Java development and various associated technologies.

Develop, maintain, and enhance backend software systems for secure, high-performance applications. Design, implement, test, and integrate software components, debug defects, produce technical documentation, support cloud-based deployments (AWS), collaborate with system engineers, and ensure software quality within an Agile environment.

The Back-End Web Developer will design, implement, and maintain applications, focusing on scalability and integration with various services and databases.

Own and build backend services for benefit estimate (270/271), claims adjudication integrations, and claims processing pipelines. Ensure accuracy, reliability, and throughput across PostgreSQL, Redis, and BigQuery, design APIs, participate in architecture and incident response, and contribute to on-call rotation.

The Vice President, Full-Stack Engineer will design and develop full-stack applications, collaborate with teams, mentor juniors, ensure high-quality code, and participate in architectural discussions.

Build backend services and APIs using Python/Node/Java to power geoprocessing, automation, and integrations with ArcGIS Enterprise. Develop containerized tooling, ingestion pipelines, and deployment support for cloud-native and on-prem environments while improving reliability, testing, and observability.

Build backend services and APIs using Python, Node.js, and Java to power geospatial processing, automation, and integrations with ArcGIS Enterprise. Develop containerized tooling, ingestion pipelines, and deploy cloud-native or on-prem solutions while ensuring reliability, performance, and collaboration with platform, DevOps, and GIS teams.

Design and implement backend geospatial services and APIs using Python, Node.js, and Java. Extend and integrate ArcGIS Enterprise, build containerized tooling and ingestion pipelines, support cloud and on-prem deployments, and improve reliability through testing, monitoring, and collaboration with platform, DevOps, and GIS teams.

Seeking a Senior Back-End Developer to engineer video applications, design back-end systems, and develop web services for IPTV and cable video, working with databases and leading a development team.

Lead the backend development team with over 10 years of experience in Java technologies and microservices, ensuring high-quality IT solutions.

Responsible for architecting and developing scalable backend systems, leading a development team, implementing best practices, and enhancing cloud infrastructure.

The Software Engineer will build backend services for campaign management, integrate with external APIs, and ensure system reliability while developing AI-driven features for restaurant marketing.

The Senior Software Engineer will design and implement back-end solutions, mentor engineers, and leverage AI technologies for feature development.

Own and evolve core backend platform primitives: external APIs, retrieval/search (RAG) infrastructure, unified health data models including time-series, and enterprise integrations to support AI-driven clinical workflows and multi-tenant reliability.