Backend Developer Jobs in Virginia, 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.

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.

Bright Vision Technologies seeks an SAP Backend Developer to design, develop, and support custom enhancements, integrations, and reports within large enterprise S/4HANA landscapes. The role spans the full development lifecycle, from requirements analysis and technical design to hands-on coding, unit testing, performance tuning, and post-go-live support.

Aretum, a mission-driven defense and civilian solutions provider, seeks a Backend Developer to enhance client applications within an Agile sprint environment. The role focuses on Python backend development, AWS cloud services, and RESTful API integration supporting TypeScript front‑ends.

BizFlow is seeking a Senior Backend Developer to build integrations at the center of a large-scale enterprise modernization program and serve as a technical leader for the development team. You will connect BizFlow workflow applications to enterprise systems and data sources, own backend services and data flows, mentor developers, and carry work through testing, deployment, and production support.

LT Consulting, LLC is a technology consulting firm headquartered in Northern VA that delivers IT solutions supporting the Intelligence Community's mission needs. The Backend Web Developer will design and build secure, high-performance APIs and backend services, developing scalable microservices, managing data persistence layers, and automating integration processes using cloud-native architectures.

BizFlow Platform team builds the integration layer of a large‑scale enterprise modernization program, connecting BizFlow applications to external systems. The Senior Backend Developer designs, develops and maintains Java‑based integration services, REST/SOAP APIs, and complex SQL data flows, while mentoring and leading the engineering team.

NV5 Geospatial (NV5G) builds core backend services for geospatial processing and AI interfaces using Esri products. The Backend Developer designs APIs, containers and automation pipelines, collaborates with platform, DevOps and GIS teams to deliver cloud‑native and on‑prem solutions.

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.

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.

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.

Swift Enterprise IT team builds mission‑critical backend services and data platforms for defense and intelligence customers. The Backend Software Engineer designs, develops, and maintains scalable Java/Spring Boot APIs, data models, and cloud‑native deployments on AWS, collaborating with cross‑functional teams in an Agile environment.

Data Society Group builds cutting‑edge data and AI training platforms for Fortune 1000 enterprises and government agencies. As a Senior Backend Engineer you will lead microservices architecture, own Azure SQL cache schema, design REST APIs, and govern CI/CD pipelines while directing an offshore engineering pod.

Twenty builds offensive cyber capabilities to protect national security. The Staff Backend Engineer designs and builds high‑throughput, secure backend services that turn real‑time operational data into mission‑critical capabilities, leading architecture decisions and mentoring engineers.

Antithesis is reinventing software reliability through deterministic simulation to identify root causes of bugs. The Platform team seeks a Senior Backend Engineer to design and own core infrastructure, APIs, and storage layers from scratch.

Molg is building robotic systems to make electronics manufacturing circular by turning e-waste into resilient supply chains. As a Backend Software Engineer in Sterling, VA, you will design scalable microservices and containerized applications that power robotics platforms.

CaseGuard seeks a Software Engineer - Backend to build REST API microservices and cloud infrastructure for its media redaction platform. The role involves designing scalable APIs with ASP.NET Core, modeling data structures, and optimizing file-processing workers.

Rune Technologies builds mission‑critical AI‑enabled logistics software for the U.S. military. The Backend Software Engineer on the Saga team designs, builds, and deploys production‑grade GenAI systems—RAG architectures, vector databases, LLM integrations, and evaluation harnesses—to bring autonomous capability to the sustainment domain.

Rune Technologies builds TyrOS, an AI-enabled logistics command and control platform for military sustainment. As a Backend Software Engineer for Simulations, you will own the forecasting workstream, building production-grade simulation and forecasting software that models and predicts logistics outcomes using mathematical models and numerical methods.