Backend Developer Jobs in Maryland, United States

Exiger AI Platform team builds SaaS solutions that combat human trafficking, money laundering, and sanctions compliance. The Backend Engineer develops Java-based software, refines requirements, participates in design reviews, and ensures high‑quality deliverables within an agile, hybrid environment.

We’re looking for a Software Engineer who is passionate about building modern, scalable solutions for ingesting and transforming data. This role blends back‑end engineering with data pipeline development and is perfect for someone who enjoys designing modular services and bringing structure to complex data environments.

Backend Engineer role at Booz Allen Hamilton-TEAMS business focuses on building scalable, high-performance backend systems. Candidates will design and implement APIs, integrate cloud services, and leverage modern frameworks such as Django, Spring Boot, Laravel, or Next.js. The position requires experience with AWS, Azure, or Google Cloud, CI/CD pipelines, shell scripting or Python, and AI tools like Claude, Bedrock, or Cursor.

Calling all innovators – find your future at Fiserv. We’re Fiserv, a global leader in Fintech and payments, and we move money and information in a way that moves the world.

Twenty builds offensive cyber operation platforms to protect U.S. and allied networks. As a Backend Engineer you will design and ship high‑throughput Go services, model graph data, and create event‑driven APIs that power real‑time decision making for operators.

Backend developer skilled in modern frameworks and cloud platforms, building scalable, secure systems for Booz Allen Hamilton clients.

Pansophic Learning’s Backend Engineering team builds scalable backend systems that power K‑12 learning solutions. The Backend Engineer designs, develops, and maintains RESTful APIs using Node.js, Express, and AWS services, ensuring high performance and reliability.

Design, develop, and maintain scalable backend services using Java and Spring Boot. Build data models for Cassandra DataStax, collaborate with cross‑functional teams, perform code reviews, optimize performance, troubleshoot production issues, and manage deployments on Linux with Maven.

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.

Backend Developer The Opportunity: As a back-end developer, you know that a good site or system needs the right combination of clean code, APIs, analytics, and infrastructure to develop a user-focused solution. We’re looking for a back-end developer with the software engineering skills it takes to help identify potential risks, contribute to solution development, and create efficient and effective systems for our clients.

AI Software Team at Accrete builds the Knowledge Engine Platform and Expert AI Agents for government and enterprise clients. The Backend Engineer designs, develops, and maintains scalable cloud‑native SaaS components, collaborates with product, UX/UI, and research to deliver near real‑time data analysis, and leads architectural discussions for AI/ML software packages.

Accrete’s Backend team builds a unified semantic Knowledge Engine Platform for government and enterprise clients, enabling expert AI agents to reason across complex data. The Backend Developer leads architectural discussions, writes maintainable code for SaaS products, troubleshoots complex issues, and implements automated testing to ensure high‑quality releases.

General Dynamics Information Technology seeks an experienced Backend Developer to build scalable, high‑performance services for government clients in Chantilly, VA. The role focuses on designing and implementing microservices using Spring Boot, Hibernate, and Oracle RDS, creating secure RESTful APIs, and ensuring robust unit and integration testing with JUnit and JaCoCo. The developer will work on CI/CD pipelines, Docker/Kubernetes containerization, and AWS cloud services, collaborating closely with front‑end teams and following Agile practices.

Geospatial Services Team builds backend platforms that power geospatial processing, automation, and user‑facing capabilities. The Backend Developer designs and implements APIs, integration services, and containerized tooling extending ArcGIS Enterprise, while maintaining geoprocessing workflows and data ingestion pipelines.

Comcast, a Fortune 30 media and technology company, is hiring a Backend Engineer (Cloud) to design and build scalable, reliable backend services for cloud applications. The role focuses on writing clean, efficient, testable code, collaborating with cross‑functional teams, and applying SDLC best practices.

Backend Engineer focuses on building and deploying algorithms to manage and rebalance SMAs, learning new systems quickly, designing advanced data handling with relational databases and APIs, evaluating emerging technologies, leading process improvement projects, writing maintainable code, and mentoring junior team members.

GDIT Backend Engineering team in Chantilly, VA builds scalable, high‑performance microservices for government clients. The role designs, implements, and maintains Java/Spring Boot services, creates RESTful APIs, and ensures robust testing and CI/CD pipelines.

Backend Services Team builds scalable, high‑performance backend platforms for qode.world. The Java Backend Developer designs, develops and maintains microservice‑based services using Java, Spring Boot and Apache Flink, collaborates with cross‑functional teams on technical solutions, and works with DevOps to optimize CI/CD pipelines and cloud deployments. Pennsylvania, on‑site, full‑time, relocation available.

Backend Development Team at qode.world builds scalable backend services for cloud applications. The Java Backend Developer designs, develops, and maintains high‑performance microservices using Java, Spring Boot, and Flink, while collaborating with cross‑functional teams on architecture and CI/CD pipelines.

Alertus’ Lead Backend Engineer drives the high‑performance core that delivers mass notifications via SMS, Email, Voice, Push, Slack, and IPAWS to thousands of users simultaneously. The role architects resilient, distributed systems, optimizes database schemas, and implements monitoring, alerting, and self‑healing to ensure perfect reliability and industry‑leading throughput.