16 results for Senior Net Software Developer in Reston, VA

Senior Software Engineer

Gaithersburg, MD
onsite
Temporary
88 - 93 USD / Hourly
Robert Half is seeking a Senior Software Engineer with AI‑enabled development experience to support the modernization of a real-time, high-availability air traffic management platform. This role offers the opportunity to work on safety-critical systems that directly support national airspace operations in a collaborative, mission-driven environment.You will contribute to the development and sustainment of complex software systems using both traditional systems engineering practices and AI‑augmented development techniques throughout the Software Development Life Cycle (SDLC). Key Responsibilities:<ul><li>Design, develop, test, and maintain software for real-time, high-availability systems</li><li>Apply AI-assisted development tools to accelerate coding, refactoring, debugging, and automated test generation</li><li>Utilize AI responsibly across the full SDLC including:</li><li>Requirements analysis</li><li>System design</li><li>Implementation</li><li>Testing</li><li>Documentation</li><li>Code review</li><li>Analyze complex system requirements and translate them into efficient, maintainable software designs</li><li>Develop and maintain automation scripts across development, test, and production environments</li><li>Promote code quality, reuse, traceability, and cross-team collaboratio</li></ul>
2026-03-10T00:00:00Z

Software Developer

Washington, DC
onsite
Permanent
125000 - 150000 USD / Yearly
We are looking for a skilled Software Developer to join our team in Washington, District of Columbia. In this role, you will focus on creating and optimizing solutions using the Microsoft Power Platform while collaborating with stakeholders to address business needs. This position offers an exciting opportunity to leverage your expertise in software development to drive innovative and efficient solutions. Responsibilities: • Collaborate with stakeholders, project managers, and technical teams to identify requirements and translate them into Power Platform solutions. • Design and develop custom applications using Power Apps, ensuring smooth integration with existing systems. • Create automated workflows using Power Automate to enhance business processes and minimize manual efforts. • Develop and deploy conversational AI experiences with Copilot Studio to address organizational needs. • Utilize programming languages such as JavaScript, Power Fx, and C# to build efficient and scalable solutions. • Ensure that all solutions align with organizational goals and meet performance standards. • Provide technical support and troubleshooting for Power Platform applications to maintain operational efficiency. • Stay updated on emerging technologies and tools within the Microsoft ecosystem to continuously improve solutions. • Collaborate with cross-functional teams to ensure successful implementation and delivery of projects.
2026-03-03T00:00:00Z

Senior Infrastructure Role

McLean, VA
onsite
Temporary
100 - 110 USD / Hourly
Data Center Modernization – Cisco ACI Migration Lead the design, architecture, and full implementation of the new Cisco ACI fabric, facilitating the enterprise-wide migration from legacy NX-OS systems. Direct and execute the strategy for transitioning from NX-OS to Cisco ACI, including tenant setup, EPG development, policy creation, and fabric discovery. Configure and manage the Cisco Nexus Dashboard to achieve centralized visibility, operations management, and policy orchestration across the data center network. Supervise the SAN environment, ensuring optimal storage connectivity, zoning, and fabric health during and after the ACI migration. Create and maintain comprehensive migration runbooks, cutover roadmaps, and rollback procedures to guarantee operational continuity for mission-critical workloads. Work closely with cloud architects and application teams to enable effective integration between the upgraded data center fabric and AWS cloud platforms. Wireless Network Modernization – Wireless Refresh Support and help lead the enterprise Wireless Refresh project from initial design through deployment, establishing a robust, high-performing wireless infrastructure. Design and implement the updated wireless network with advanced Wireless Intrusion Prevention and Detection (WIPS/WIDS) to enhance security monitoring across all locations. Deploy and configure new Wireless LAN Controllers (WLCs) and Access Points (APs) for reliable coverage, capacity, and performance in geographically distributed areas. Utilize Cisco DNA Center services for optimization, policy enforcement, AI-driven analytics, and complete lifecycle management of the wireless network. Conduct site assessments, RF planning, and post-installation reviews to ensure wireless standards support operational requirements. Assist in developing wireless security configurations and policies following DISA STIGs, RMF, and DoD wireless security mandates. Cloud & Enterprise Infrastructure Architect, implement, and maintain scalable AWS cloud environments—including compute, storage, networking, and identity management—supporting key applications. Ensure infrastructure security by applying controls aligned with DISA STIGs, RMF, NIST 800-53, and DoD cloud requirements. Automate cloud infrastructure deployment and configuration with Infrastructure as Code tools such as Terraform, AWS CloudFormation, or comparable. Monitor health, performance, and security using AWS-native tools (CloudWatch, AWS Config, Security Hub) and third-party SIEM integrations. Support Authority to Operate (ATO) efforts, including generating security documentation, implementing controls, and aiding in assessments. Lead incident response, perform root cause investigations, and shape continuity plans for mission-essential systems.
2026-04-02T00:00:00Z

Full Stack Developer

Washington, DC
onsite
Temporary
60.9 - 69.39 USD / Hourly
We are currently seeking a contract Full Stack Developer with a matrix skill set to join our project-driven technology team. This is a unique opportunity to lend your expertise to exciting initiatives, contribute to automation and innovation, and collaborate with cross-functional groups. The ideal candidate is equally comfortable working on both the front-end and back-end, and enjoys a fast-paced environment where adaptability and clear communication are valued.Key Responsibilities:<ul><li>Design, develop, test, and deploy robust applications across the full technology stack.</li><li>Work closely with stakeholders to clarify requirements and deliver technical solutions in line with project goals.</li><li>Participate in continuous integration, automation workflows, and DevSecOps practices to ensure quality and security.</li><li>Apply skills in AI integration, machine learning, and enterprise software applications as needed.</li><li>Maintain and optimize cloud-based environments (such as Microsoft Azure).</li><li>Utilize modern tools such as Apache Kafka, Databricks, Power BI, Splunk, and Terraform.</li><li>Leverage problem-solving and critical-thinking skills to address project challenges.</li><li>Demonstrate adaptability and pursue continuous learning to keep up with the latest technologies.</li></ul>
2026-03-03T00:00:00Z

Full Stack Developer

McLean, VA
onsite
Temporary
59.91 - 68.24 USD / Hourly
We are currently seeking a contract Full Stack Developer with a matrix skill set to join our project-driven technology team. This is a unique opportunity to lend your expertise to exciting initiatives, contribute to automation and innovation, and collaborate with cross-functional groups. The ideal candidate is equally comfortable working on both the front-end and back-end, and enjoys a fast-paced environment where adaptability and clear communication are valued.Key Responsibilities:<ul><li>Design, develop, test, and deploy robust applications across the full technology stack.</li><li>Work closely with stakeholders to clarify requirements and deliver technical solutions in line with project goals.</li><li>Participate in continuous integration, automation workflows, and DevSecOps practices to ensure quality and security.</li><li>Apply skills in AI integration, machine learning, and enterprise software applications as needed.</li><li>Maintain and optimize cloud-based environments (such as Microsoft Azure).</li><li>Utilize modern tools such as Apache Kafka, Databricks, Power BI, Splunk, and Terraform.</li><li>Leverage problem-solving and critical-thinking skills to address project challenges.</li><li>Demonstrate adaptability and pursue continuous learning to keep up with the latest technologies.</li></ul>
2026-03-03T00:00:00Z

Full Stack Developer

Rockville, MD
onsite
Temporary
61.09 - 68.59 USD / Hourly
We are currently seeking a contract Full Stack Developer with a matrix skill set to join our project-driven technology team. This is a unique opportunity to lend your expertise to exciting initiatives, contribute to automation and innovation, and collaborate with cross-functional groups. The ideal candidate is equally comfortable working on both the front-end and back-end, and enjoys a fast-paced environment where adaptability and clear communication are valued.Key Responsibilities:<ul><li>Design, develop, test, and deploy robust applications across the full technology stack.</li><li>Work closely with stakeholders to clarify requirements and deliver technical solutions in line with project goals.</li><li>Participate in continuous integration, automation workflows, and DevSecOps practices to ensure quality and security.</li><li>Apply skills in AI integration, machine learning, and enterprise software applications as needed.</li><li>Maintain and optimize cloud-based environments (such as Microsoft Azure).</li><li>Utilize modern tools such as Apache Kafka, Databricks, Power BI, Splunk, and Terraform.</li><li>Leverage problem-solving and critical-thinking skills to address project challenges.</li><li>Demonstrate adaptability and pursue continuous learning to keep up with the latest technologies.</li></ul>
2026-03-03T00:00:00Z

Full Stack Developer

Baltimore, MD
onsite
Temporary
55.05 - 60.24 USD / Hourly
We are currently seeking a contract Full Stack Developer with a matrix skill set to join our project-driven technology team. This is a unique opportunity to lend your expertise to exciting initiatives, contribute to automation and innovation, and collaborate with cross-functional groups. The ideal candidate is equally comfortable working on both the front-end and back-end, and enjoys a fast-paced environment where adaptability and clear communication are valued.Key Responsibilities:<ul><li>Design, develop, test, and deploy robust applications across the full technology stack.</li><li>Work closely with stakeholders to clarify requirements and deliver technical solutions in line with project goals.</li><li>Participate in continuous integration, automation workflows, and DevSecOps practices to ensure quality and security.</li><li>Apply skills in AI integration, machine learning, and enterprise software applications as needed.</li><li>Maintain and optimize cloud-based environments (such as Microsoft Azure).</li><li>Utilize modern tools such as Apache Kafka, Databricks, Power BI, Splunk, and Terraform.</li><li>Leverage problem-solving and critical-thinking skills to address project challenges.</li><li>Demonstrate adaptability and pursue continuous learning to keep up with the latest technologies.</li></ul>
2026-03-03T00:00:00Z

Software Development III

Arlington, VA
onsite
Temporary
75.24 - 75.24 USD / Hourly
This role is part of a technical sub-family responsible for writing and maintaining source code, building and maintaining software applications, and applying frameworks involved in the software release lifecycle. This includes programming, documentation, configuration management, testing, debugging, and overall stewardship of applications and frameworks that become production-ready software products.This role works independently on day-to-day objectives and is responsible for delivering high-impact results across projects or technical areas. This position may also coach and review work performed by junior or lower-level technical staff. Key Responsibilities:· Analyze, design, develop, and update software to support new features and system performance improvements.· Develop high-quality C++ applications in a Linux-based environment.· Implement and maintain communication interfaces and protocols including TCP/IP, UDP, and DDS.· Utilize Docker and Kubernetes (RKE2) for containerization, orchestration, and deployment automation.· Collaborate closely with cross-functional engineering teams to support deployments and integrations.· Apply strong understanding of Linux system internals for troubleshooting and development.· Manage and maintain software source control and configuration using industry‑standard tools.· Contribute to solution design discussions, influencing process and approach for the broader team.
2026-03-16T00:00:00Z

Software Development IV

Arlington, VA
onsite
Temporary
94.87 - 94.87 USD / Hourly
This role supports a key Federal defense program and is responsible for developing, maintaining, and enhancing complex software applications and frameworks across the full software release lifecycle. This role requires expert-level technical proficiency, strong problem-solving abilities, and the ability to contribute to multiple technical domains concurrently.This position works onsite in Arlington, VA, collaborating closely with an all-onshore engineering team. Ideal candidates will be able to quickly ramp up in a fast-paced environment and hit the ground running. Key Responsibilities:· Analyze, design, develop, and update software for new features, system enhancements, and performance improvements.· Write, maintain, and document high-quality C++ source code.· Develop solutions for complex technical problems affecting multiple systems and disciplines.· Implement and maintain communication interfaces using protocols such as TCP/IP, UDP, and DDS.· Work within the Linux operating system at an advanced level.· Support containerization and automated deployment using Docker and Kubernetes (RKE2).· Collaborate across engineering, operations, and integration teams to support software deployments.· Utilize software source control and configuration management tools.
2026-03-16T00:00:00Z

Software Engineering II

Gaithersburg, MD
onsite
Temporary
53 - 60 USD / Hourly
Locations: Gaithersburg, MD • Eagan, MN • Egg Harbor, NJSchedule: Hybrid (3 days onsite / 2 days remote)Clearance: Ability to obtain and maintain Public Trust (U.S. Citizenship required)OverviewWe are seeking a Junior Software Engineer with AI-enabled development experience to support a large-scale modernization program involving real‑time, high‑availability, safety‑critical systems. This role combines traditional software engineering with emerging AI‑augmented development techniques to enhance delivery, code quality, and system performance.This position is ideal for engineers who actively apply AI in their day‑to‑day workflow and want to contribute to a mission-critical, complex engineering environment. What You’ll Do<ul><li>Design, develop, test, and maintain software for real-time, high-availability systems.</li><li>Use AI-assisted development tools to accelerate coding, refactoring, debugging, and automated test generation.</li><li>Apply responsible AI practices across the full SDLC — requirements, design, implementation, testing, documentation, and code review.</li><li>Analyze complex system requirements and translate them into efficient, maintainable designs.</li><li>Develop and maintain automation scripts across development, test, and production environments.</li><li>Promote code quality, reuse, traceability, and cross-team collaboration.</li></ul>
2026-03-11T00:00:00Z

Front-End Web Developer

Springfield, VA
onsite
Temporary
50 - 55 USD / Hourly
Our client in the Washington, DC region is seeking a talented Front-End Web Developer (FEWD) to support ongoing digital initiatives. This role is ideal for a developer who blends clean, modern UI development with strong attention to detail and a passion for building intuitive, responsive user experiences.You’ll collaborate with designers, product teams, and back-end developers to bring digital products, websites, and interactive features to life. Key Responsibilities<ul><li>Develop responsive, accessible, and high‑performance web interfaces</li><li>Translate UI/UX wireframes and design comps into clean, maintainable code</li><li>Build reusable components and front-end libraries</li><li>Collaborate with designers, product managers, and engineering teams</li><li>Optimize applications for speed, scalability, and cross‑browser compatibility</li><li>Maintain and update existing websites, landing pages, and digital assets</li><li>Troubleshoot UI issues and implement front-end best practices</li><li>Ensure compliance with accessibility standards (WCAG, Section 508)</li></ul>
2026-03-16T00:00:00Z

Senior Cost/Financial Analyst

Arlington, VA
onsite
Permanent
100000 - 120000 USD / Yearly
Our client is an well-established construction business with growing operations that is seeking a Senior Cost Analyst to join their expanding team in Arlington, Virginia. This role is integral to the construction accounting team, focusing on cost management, budgeting/forecasting, financial reporting, and collaboration with project executives. The ideal candidate will bring expertise in analyzing budgets and providing accurate projections to support decision-making and organizational success. Responsibilities:• Conduct comprehensive reviews and updates of budgets and job status reports for multiple construction projects on a monthly basis.• Deliver monthly profit projections and create dashboards to provide actionable insights for management.• Facilitate job status meetings with stakeholders and project teams to ensure accurate and timely reporting.• Provide guidance to entry-level cost engineers and other team members, fostering skill development and knowledge sharing.• Train office and field staff in the use of project management software, ensuring efficient system utilization.• Prepare and compile various monthly financial reports for senior leadership and company executives.• Analyze project costs to identify risks, opportunities for savings, and implement mitigation strategies.• Assist in the preparation of new construction project proposals, providing detailed cost analysis and recommendations.• Support project executives in managing subcontractor agreements, change orders, and cost reporting.• Audit and reconcile project performance using specialized project management software to ensure accuracy and compliance.
2026-04-01T00:00:00Z

GoLang Developer IV

Washington, DC
onsite
Temporary
78 - 83 USD / Hourly
GoLang Developer IV Service Type: 45 Week Contract, Potential for ExtensionLocation: Onsite/Hybrid Washington, DC Position OverviewWe are seeking a Senior (Level IV) GoLang Developer to lead development initiatives and deliver high‑quality solutions within a modern, distributed systems environment. This role emphasizes hands‑on Go development, cloud‑native technologies, and secure, scalable system design. The ideal candidate is self‑driven, technically strong, and comfortable taking ownership of complex initiatives.Key Responsibilities<ul><li>Lead design and development of new functional features using Go</li><li>Troubleshoot, debug, and resolve software defects</li><li>Maintain high standards of code quality, performance, and scalability</li><li>Refactor existing codebases to improve efficiency and maintainability</li><li>Decompose business requirements into clear technical tasks and estimate effort</li><li>Participate in solution design discussions and document technical decisions</li><li>Work with distributed systems, messaging platforms, and databases</li><li>Collaborate with cross‑functional teams to deliver reliable solutions</li></ul>
2026-04-02T00:00:00Z

DevOps Engineer

McLean, VA
onsite
Temporary
68.01 - 74.51 USD / Hourly
Our company is seeking a talented DevOps Engineer to join our team on a contract basis. In this role, you will collaborate closely with development, QA, and IT teams to streamline and enhance deployment pipelines, automation, and cloud infrastructure. The ideal candidate is adept at solving complex problems, communicates well, and is proactive in identifying and implementing continuous improvement opportunities. Key Responsibilities: Design, build, and maintain CI/CD pipelines to support scalable application development and deployment. Automate software build and deployment processes to improve reliability and efficiency. Manage and optimize cloud infrastructure (such as AWS, Azure, or Google Cloud Platform). Monitor system performance and troubleshoot issues related to infrastructure, deployment, and automation. Collaborate with developers and other team members to identify requirements and deliver technical solutions aligned with project goals. Maintain infrastructure as code using tools such as Terraform, Ansible, or similar. Implement and uphold security best practices in DevOps workflows and cloud architectures. Document procedures and share knowledge across the team to support a collaborative work environment.
2026-03-03T00:00:00Z

DevOps Engineer

Baltimore, MD
onsite
Temporary
62.05 - 68.24 USD / Hourly
Our company is seeking a talented DevOps Engineer to join our team on a contract basis. In this role, you will collaborate closely with development, QA, and IT teams to streamline and enhance deployment pipelines, automation, and cloud infrastructure. The ideal candidate is adept at solving complex problems, communicates well, and is proactive in identifying and implementing continuous improvement opportunities. Key Responsibilities: Design, build, and maintain CI/CD pipelines to support scalable application development and deployment. Automate software build and deployment processes to improve reliability and efficiency. Manage and optimize cloud infrastructure (such as AWS, Azure, or Google Cloud Platform). Monitor system performance and troubleshoot issues related to infrastructure, deployment, and automation. Collaborate with developers and other team members to identify requirements and deliver technical solutions aligned with project goals. Maintain infrastructure as code using tools such as Terraform, Ansible, or similar. Implement and uphold security best practices in DevOps workflows and cloud architectures. Document procedures and share knowledge across the team to support a collaborative work environment.
2026-03-03T00:00:00Z

DevOps Engineer

Washington, DC
onsite
Temporary
68.27 - 74.24 USD / Hourly
Our company is seeking a talented DevOps Engineer to join our team on a contract basis. In this role, you will collaborate closely with development, QA, and IT teams to streamline and enhance deployment pipelines, automation, and cloud infrastructure. The ideal candidate is adept at solving complex problems, communicates well, and is proactive in identifying and implementing continuous improvement opportunities. Key Responsibilities: Design, build, and maintain CI/CD pipelines to support scalable application development and deployment. Automate software build and deployment processes to improve reliability and efficiency. Manage and optimize cloud infrastructure (such as AWS, Azure, or Google Cloud Platform). Monitor system performance and troubleshoot issues related to infrastructure, deployment, and automation. Collaborate with developers and other team members to identify requirements and deliver technical solutions aligned with project goals. Maintain infrastructure as code using tools such as Terraform, Ansible, or similar. Implement and uphold security best practices in DevOps workflows and cloud architectures. Document procedures and share knowledge across the team to support a collaborative work environment.
2026-03-03T00:00:00Z