Backend Developer Jobs in Maryland, United States

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.

Quevera's Backend Software Development team builds secure backend solutions for critical national security missions. The role designs, develops, tests, and maintains backend applications while collaborating with engineers and stakeholders in an Agile environment.

Quevera seeks a Backend Software Developer in Annapolis Junction, MD, to support mission-critical national security programs. The role involves developing and maintaining secure backend software solutions within an Agile environment, collaborating with engineering teams to design, test, and deploy reliable applications.

Quevera is seeking a Backend Software Developer to develop, maintain, enhance, test, integrate, and support backend software solutions within AWS environments for mission-critical programs in Annapolis Junction, MD. The role applies DevOps-oriented practices, uses Git, Java, C++, or Python, and works within an Agile team using Jira and Confluence. Work schedule allows up to 16 hours per week of telework, dependent on sprint tasking and program requirements.

National Agricultural Library (NAL) Library Support System team builds and modernizes backend services for scientific publication data. The developer designs, implements and maintains Python/Django APIs, applies AI techniques to extract structured information, and modernizes legacy systems while ensuring accessibility compliance.

Legato (Software Engineering) builds mission‑critical backend systems for government clients. The Backend Software Developer designs, develops, tests and maintains backend applications, creates test procedures, writes technical documentation and collaborates in Agile ceremonies.

Quevera seeks a Backend Software Developer in Annapolis Junction, MD, to support mission-critical national security programs. The role involves developing and maintaining secure backend software solutions within an Agile environment, collaborating with engineering teams to deliver reliable applications.

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.

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.

We are looking for a seasoned Java backend developer to build and maintain high‑performance services. The role involves designing scalable APIs, integrating with databases, and collaborating with cross‑functional teams to deliver reliable software.

Secure the Enterprise initiative at Quevera builds secure backend services for mission-critical programs. Senior Backend API Engineer designs, develops, tests, and deploys Python‑based RESTful APIs and microservices using Django and Flask, integrating MariaDB and MongoDB, and containerizing with Docker.

Bcore’s Mission Services division builds tailored technical solutions to modernize government missions. As a Backend Software Engineer, you design and build scalable Java/Python services, develop RESTful APIs, and optimize SQL for data analysis and reporting.

Software Engineering team at ELEVI Associates builds and maintains backend systems for federal and commercial clients. The Mid Level Backend Software Engineer designs, develops, and integrates backend database architectures, writes code in JavaScript, C++, Python, and Ruby, and supports DevOps pipelines on AWS and Docker.

Quevera is seeking a Senior Backend Software Engineer – Part Time with an active TS/SCI clearance with Polygraph to support mission-critical programs in Annapolis Junction, Maryland. In this part-time role, you will support software development activities including software testing, technical documentation, Agile development, and quality control of developed and modified software.

Backend Capability team at CVS Health drives the backend platform, API ecosystem, and third‑party integration layer for its SaaS health suite. The role defines API standards, steers a scalable event‑driven microservices architecture, and leads integration strategy with EHR/EMR systems and emerging AI model APIs.

Billing Platform team at GEICO builds the core infrastructure, tools, and services that enable seamless billing experiences for internal users and customers. The Senior Software Engineer will lead the redesign of the platform, overseeing architecture, high‑level design, and implementation of scalable backend systems while mentoring engineers.

At GEICO, we are not just an insurance company; we are a technology-driven organization that is transforming the insurance landscape. Our mission is to leverage cutting-edge technology to deliver exceptional experiences for our customers and create innovative solutions that redefine the industry.

Software Engineering team at Visionist builds specialized tools for mission-critical intelligence operations. The role develops data transforms, enhances application performance, and supports mission-critical servers while collaborating directly with analysts and customers.

Principal Backend Software Engineer at Red Arch Solutions, a federal contractor focused on secure, high‑performance systems. The role leads design, implementation, and testing of backend services in Java, C++, or Python, ensuring code quality and documentation in an Agile environment.

Senior Staff Software Engineer (Backend) leading re-architecture of GEICO’s billing platform. Designs scalable, high-performance systems using Java, Kotlin, Golang, SQL, NoSQL, Kafka, Spark, Airflow, cloud, DevOps, observability.