Top Backend Developer Jobs

Design and maintain the infrastructure for RL environments, focusing on execution, performance optimization, and production excellence while collaborating with research teams and clients.

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, develop, and support enterprise-grade Java Spring Boot microservices and cloud-native solutions on Microsoft Azure (including Azure Functions and Durable Functions). Build scalable, secure RESTful APIs, optimize database schemas and queries, troubleshoot production systems, support CI/CD and operational monitoring, participate in architecture and code reviews, and mentor junior engineers while documenting and delivering high-quality production software.

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.

The Software Engineer will develop vertical workflows, implement scalable service architectures, ensure production-grade systems, evaluate AI performance, and collaborate cross-functionally to enhance engineering efficiency with AI tools.

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.

The role involves developing and maintaining software applications, collaborating with teams, conducting testing, and ensuring integration quality while leading projects and recommending technologies.

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.

As a Senior Backend Developer at Awarri, you'll build and maintain backend systems for AI platforms, focusing on scalable architectures, data integration, and real-time communication.

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.

As a Senior Backend Engineer, you'll develop and maintain the Dynamic Copay Engine's services, design pricing logic, and manage data integrations, focusing on backend systems for health insurance functionality.

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 Senior Back-End Engineer will design and implement backend services and APIs, maintain code quality, and collaborate with front-end developers.

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.

Develop and maintain backend infrastructure for an AI-powered wealth management platform. Collaborate with frontend teams and architect distributed systems.