Top Software Engineer Jobs

Develop and maintain Java-based web applications that support compliant IC data management and movement. Analyze requirements, build full-stack features and user interfaces, integrate and test software, create workflows, troubleshoot issues, and collaborate within an Agile development team. The role uses Quarkus and PrimeFaces, supports cloud technologies, and requires an active TS/SCI clearance with polygraph.

Develop and maintain a cloud-based full-stack software product for storing, visualizing, validating, and disseminating ELINT collection data. Design, develop, test, document, and deploy new features using collaborative development practices. Contribute to architecture and design reviews, coordinate with developers and DevOps, and support system interoperability, documentation, and data fidelity for tactical intelligence users.

Lead multiple software development teams while designing, developing, testing, analyzing, and documenting front-end software systems. Ensure software quality control and performance using AngularJS, Node.js, JavaScript build tools, Java or Python, MongoDB, and Elasticsearch. The role requires an active TS/SCI clearance with Polygraph and extensive software engineering experience.

Design, implement, test, and maintain resilient network software for teleoperated UGV swarms. Build low-latency video streaming and command-and-control systems, redundant connectivity and hot failover across mesh radios, satellite, and 5G networks, secure VPN solutions, and performance monitoring for throughput and latency. The role requires C++ or Python, Linux networking expertise, and collaboration in an onsite defense startup environment.

Build customer-facing features, backend services, integrations, and internal tools for Numeral’s growth engineering team. Improve signup, onboarding, activation, renewal, and retention workflows while partnering with Sales, Marketing, Product, and Customer Success. Own projects from scoping through deployment, instrument workflows, define success metrics, run experiments, and use data and customer feedback to measure and improve business outcomes.

Designs, develops, tests, deploys, and operates high-scale applications using Java, Spring Boot, cloud platforms, microservices, Kubernetes, and CI/CD. Builds data pipelines and models, implements data quality checks, troubleshoots distributed systems, integrates internal platforms, and contributes to architecture and technology roadmaps. The role also applies security best practices and may develop big data processing solutions using GCP services, Apache Beam, Spark, Airflow, and AI/ML technologies.

Design, develop, test, deploy, and operate high-scale applications using Java, microservices, cloud platforms, and big data technologies. Build data pipelines and models, implement CI/CD and infrastructure-as-code, integrate internal systems, improve data quality, and troubleshoot distributed systems. Participate in architecture and technology roadmap discussions while applying security best practices across infrastructure and pipelines.

Develop and maintain Zabbix monitoring templates, dashboards, agents, and automation scripts for enterprise environments. Support system administrators and network engineers, troubleshoot Linux-based monitoring deployments, and manage work through a JIRA queue. The role is onsite in Columbia, Maryland and requires an active Top Secret/SCI clearance with a full-scope polygraph.

Develops, tests, deploys, and maintains C# and VB.NET applications, ASP.NET MVC web applications, web services, and database systems. Analyzes requirements, designs software solutions, troubleshoots application issues, supports QA, documents code, uses Git and development management tools, and participates in Scrum ceremonies. The role also contributes to technical proposals, presentations, productivity improvements, and client-facing solution delivery.

Design, develop, and maintain 5G Core network functions, control-plane services, protocols, microservices, and monitoring probes. Troubleshoot distributed telecommunications systems, analyze signaling and logs, build automated testing frameworks, optimize performance, and support products through release and deployment. Collaborate on requirements, documentation, research, and demonstrations while advancing satellite-network capabilities.

Develop and optimize scientific computing software by translating signal and image processing algorithms from Python and other high-level languages into robust operational applications. Design, develop, analyze, test, and document software; evaluate algorithm performance on real-world data; and collaborate with scientists and engineers. The role requires onsite work, strong Python and C/C++ skills, scientific computing knowledge, and the ability to obtain and maintain TS/SCI clearance.

Full-time, on-site software engineering internship supporting Information Systems initiatives. Interns will create SQL queries, design reports, configure ERP solutions, develop RESTful APIs, write technical documentation, and solve business problems through software engineering. The role provides hands-on learning, project participation, and professional development for undergraduate Computer Science students.

Design, build, and operate core cloud platform components for real-time IoT, energy, and telematics applications. Own features end-to-end, ensure reliability, scalability, maintainability, and performance, and collaborate cross-functionally while working independently to drive delivery.

Develop, deploy, test, and maintain software applications, APIs, user interfaces, databases, automation, and supporting infrastructure for cyber training environments. The role spans the full software development lifecycle, including requirements analysis, CI/CD, virtualization, containerization, integrations, secure coding, troubleshooting, documentation, release management, and operational support. Engineers collaborate with instructors, QA, developers, and system administrators, contribute across UI/UX, backend, and DevOps specializations, and mentor junior team members.

Develop and maintain Java applications supporting the DEA investigative case-management ecosystem. Translate requirements into scalable solutions, integrate Java with Pega and enterprise systems, support testing, debugging, CI/CD, deployments, monitoring, documentation, and secure federal software practices. Collaborate with Pega developers, QA engineers, DevOps personnel, product owners, and other stakeholders in an Agile environment.

Build customer-facing frontend experiences for ZoomInfo’s Conversation Intelligence platform. Develop responsive UI components, data visualizations, charting experiences, and AI-powered interfaces using modern frontend frameworks. Collaborate with designers and product managers, contribute to REST APIs, guide frontend architecture and performance, review code, and maintain a high-quality frontend codebase.

Develop, integrate, test, and document combat system software for Navy modernization programs. Work primarily with object-oriented C++ and Java in Linux using modern automation tools within an Agile environment. Participate in peer reviews and present engineering materials to leadership and customers. The role is full-time and on-site in Columbia, Maryland, supporting systems including Aegis, unmanned surface vehicles, missile launchers, and submarine warfare tools.

Develop and maintain infrastructure software for complex research and operational systems. Responsibilities include application integration, software design and implementation, testing, deployment, CI/CD automation, Linux troubleshooting, networking support, technical documentation, customer coordination, and subcontractor oversight. The role requires strong Python and additional programming experience, secure development practices, and an active TS/SCI clearance with polygraph.

Develop and maintain production-grade Python backend services and Docker-based environments. Support Docker Swarm deployments, GitLab-based version control and CI/CD, automated testing, and Agile development. Collaborate with product, QA, and DevOps teams, define engineering standards, facilitate Agile ceremonies, mentor engineers, and influence technical direction. The role requires an active Top Secret clearance with SCI eligibility and involves approximately 10% travel.

Lead architecture, design, and development of high-volume, low-latency Java applications on GCP for real-time positions and risk systems. Build scalable APIs and CI/CD pipelines, integrate observability, messaging frameworks, and AI tooling, mentor engineers, and collaborate with product, QA, and operations to ensure high availability and reliability for mission-critical financial systems.

Develop and sustain mission-critical AWS cloud-native ICAM web services for Department of Defense customers. Support software design, development, integration, testing, deployment, monitoring, release operations, and maintenance. Work with Linux, containers, Kubernetes, CI/CD pipelines, infrastructure as code, automated testing, PKI, and secure scalable application development. The role requires an active TS/SCI clearance with polygraph and supports Zero Trust identity, credential, and access management solutions.

Design, build, and scale backend systems, APIs, and frontend applications. Collaborate with product, design, and AI teams to ship full features, write well-tested code, mentor junior engineers, and contribute to architecture and technical strategy.

Develop and deploy backend services and internal tools automating settlement, funding, and liquidity workflows. Build REST APIs, database migrations, and React components using Java, Spring Boot, React, TypeScript, PostgreSQL, and Kubernetes. Collaborate with product and operations teams, maintain production reliability through on-call support, write tested code, and contribute to agentic, event-driven financial automation systems.

Develop, test, deploy, and operate integrated software systems; design application and third-party service infrastructure; build quality APIs; architect scalable and maintainable solutions; and collaborate with stakeholders and vendors. Provide technical leadership and mentorship, experiment with new technologies, automate workflows, and support systems engineering, integration, deployment, and operations in a defense and intelligence environment.

Designs and develops real-time cloud-processing software, signal processing and geolocation algorithms, user interfaces, and data visualization tools for defense and intelligence missions. Responsibilities include testing with real data, systems integration, deployment, operations and maintenance, experimentation with new technologies, and customer-facing application delivery. The role requires independent work, software architecture expertise, and collaboration across engineering disciplines.