Backend Developer Jobs in United States

Spatial Front, Inc. seeks a Backend Developer to design and build scalable, secure server‑side applications for Federal Government modernization programs. Responsibilities include developing APIs, managing relational and NoSQL databases, implementing microservices, collaborating with frontend and DevOps teams, conducting unit and integration testing, optimizing performance, and ensuring secure coding practices.

Daylight is a decentralized electric utility startup focused on enabling homeowners to generate, store, and share energy. As a Senior Backend Developer, you will design and build Django‑based APIs that power the mobile app and partner integrations, ensuring high performance and reliability.

Humanity Protocol seeks a Backend Developer to design, implement, and maintain robust backend services that power its decentralized finance platform. The role involves building scalable APIs, optimizing database performance, and ensuring high availability and security.

Backend Developer at Baanx will design, build, and maintain high‑performance services for digital asset platforms. The role focuses on Node.js microservices, PostgreSQL data stores, and integration with crypto custodians, exchanges, and other third‑party APIs.

Duetti seeks a seasoned Backend Developer to build and maintain scalable, secure systems that power data-driven music monetization. The role blends backend engineering with DevOps, focusing on cloud architecture, containerization, and automation to support data processing, API services, and infrastructure reliability.

Photon Group Backend Team builds mission‑critical microservices for high‑volume data streams. The role designs and implements scalable Java/Spring Boot services, architecting event‑driven systems with Apache Kafka and deploying containers on AWS EKS. Based in the United States, the position requires on‑site presence with a flexible 9‑5 schedule.

Trinity Global Consulting (TGC) builds geospatial backend services that power automation and user-facing capabilities. The Backend Developer designs, implements, and maintains APIs, containerized services, and data pipelines using Python, Node.js, and Java, collaborating with platform, DevOps, and GIS teams.

BayRock Labs seeks a Backend Developer to build scalable backend services using Node.js and Java. The role involves designing RESTful APIs, integrating with SQL and NoSQL databases, and collaborating with front‑end and product teams.

Naval Dosimetry Center (NDC) at West 4th Strategy builds mission‑critical radiation dosimetry systems for the U.S. Navy. The Backend Developer will design, implement, and maintain Java Spring Boot microservices, secure REST APIs, and Aurora PostgreSQL data layers within a FedRAMP/IL4‑compliant DevSecOps pipeline.

National Agricultural Library (NAL) Library Support System team builds secure, scalable backend services for USDA's digital library. The API Backend Developer designs, implements, and modernizes RESTful and GraphQL APIs, applying AI techniques to extract structured information from scientific publications.

Bright Vision Technologies is a technology consulting and software development company delivering cloud, AI, data, and enterprise solutions across the United States. As a Lead Backend Developer, you will design, build, and operate foundational platforms and shared services—such as request routing, traffic management, data fan-out, caching layers, asynchronous job execution, and durable event processing—that other engineering teams rely on to deliver products.

We are seeking a versatile Backend Developer to join our engineering team. The role involves designing, building, and maintaining server‑side logic and infrastructure that powers our applications.

Backend Developer needed to design and build robust Java/J2EE solutions within the NAV domain. Collaborate with tech leads, architects, and product owners to define technical strategies, develop APIs, web services, and database schemas on DB2/Oracle.

Infosys is hiring a Java Backend Developer (Technology Consultant 1) to support the full SDLC lifecycle across multiple U.S. locations including Boston, Hartford, Jersey City, New York, Raleigh, and Richardson. Day-to-day work involves capturing stakeholder requirements through interviews and workshops, participating in design discussions, developing and documenting code for new applications, executing test plans, supporting feature integration, and monitoring and troubleshooting live applicatio

Backend Java Developer Oshkosh Corporation Apply Now on Workday Raw Job Data: This page contains the complete JSON response from the Workday API for this job posting. You can copy the JSON data below for analysis or processing.

NV5 Geospatial (NV5G) builds core backend services leveraging Esri products for national security GIS solutions. The developer designs and implements Python and Node.js APIs, containerized ArcGIS Enterprise tools, and data ingestion pipelines, collaborating with platform, DevOps, and GIS teams.

Digital Infrastructure team at Galaxy builds backend systems powering blockchain infrastructure and staking products. The role designs and builds APIs, services, Ethereum data pipelines, and monitoring tools while owning end‑to‑end architecture, testing, deployment, and observability, and mentors engineers.

Freedom Technology Solutions Group seeks a Backend Developer SME to lead backend and geospatial initiatives, modernize applications, enforce DevSecOps, and drive cloud-native architecture. Responsibilities include defining enterprise architecture, overseeing backend operations across cloud and data center, leading CI/CD pipelines, and engaging senior client leadership.

As a Technology Consultant 2 (Java Backend Developer) at Infosys, you will contribute to requirements elicitation, facilitate software design discussions, and document design decisions to guide the technical team. Day-to-day work includes coding and integrating new features into existing applications, conducting code reviews, implementing test strategies, and resolving production issues while maintaining system stability.

Cognizant is seeking a Java Backend Developer within its Technology & Engineering department to serve as the primary point of contact for Java domain-related queries and issues. You will design and develop robust software applications using Spring Boot Microservices, collaborate with cross-functional teams, provide technical guidance to junior developers, and participate in architectural discussions.