13 results for Web Developer in Washington, DC

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

Graphic Designer

Arlington, VA
remote
Temporary
33.25 - 38.5 USD / Hourly
We are looking for a talented Graphic Designer to join our team on a contract basis, supporting the creation of two high-priority publications. This role requires expertise in long-form publication design, with a focus on layout, visual consistency, and adherence to established brand guidelines. The position is based in Arlington, Virginia, and offers the opportunity to work on impactful projects within the non-profit sector. Responsibilities: • Design and format long-form publications, ensuring visual consistency and high-quality layouts. • Apply established brand guidelines across all design elements to maintain uniformity. • Develop cohesive layouts for multi-section reports, incorporating provided content and imagery. • Create print-ready and digital-first designs, accommodating potential print requirements. • Design covers and overall visual systems for large-scale reports. • Manage deadlines independently while addressing feedback from leadership efficiently. • Support web page updates and digital layout work during lighter project periods. • Prepare design files for both digital distribution and potential printing requirements. • Collaborate with internal teams to ensure content readiness and alignment with project goals.
2026-03-23T00:00:00Z

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

Web Content Manager

Springfield, VA
onsite
Temporary
50 - 55 USD / Hourly
Robert Half is searching for a highly skilled Web Content Manager to oversee the strategy, governance, and execution of digital content across client web properties. This role is ideal for a detail‑oriented professional who excels at shaping cohesive digital experiences, driving content performance, and ensuring brand excellence at every touchpoint. Key Responsibilities<ul><li>Lead the end‑to‑end management of web content, including planning, development, publishing, and ongoing optimization</li><li>Establish and maintain content standards, ensuring accuracy, consistency, and alignment with brand voice and business objectives</li><li>Partner closely with marketing, creative, UX, and development teams to deliver seamless, user‑centric digital experiences</li><li>Develop and manage content calendars, workflows, and approval processes to support timely and efficient execution</li><li>Conduct regular content audits to identify gaps, improve structure, and enhance overall site quality</li><li>Leverage analytics tools to evaluate content performance and provide data‑driven recommendations</li><li>Ensure all content adheres to SEO best practices, accessibility guidelines, and industry compliance standards</li></ul>
2026-03-23T00:00:00Z

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

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

Data Engineer

Washington, DC
remote
Temporary
40 - 59.5 USD / Hourly
Data Modeling and Analysis<ul><li>Design data models and optimize performance: Creating the structure of data relationships ensuring efficient data retrieval and calculations.</li><li>Create calculated columns and measures: Using DAX to calculate derived values and aggregate metrics.</li><li>Perform exploratory data analysis (EDA): Using BI tools to explore data, identify trends, and patterns.</li><li>Apply advanced data analysis techniques (e.g., statistical analysis, time series analysis, predictive modeling).</li><li>Integrate machine learning models into Power BI dashboards.</li><li>Experience building semantic models</li></ul>Dashboard Development and Visualization<ul><li>Designing dashboards: Creating visually appealing and interactive dashboards.</li><li>Creating visualizations: Using charts, graphs, and other visual elements to represent data.</li><li>Implementing interactivity: Adding filters, slicers, and drill-down capabilities.</li><li>Expertise in SQL and DAX and knowledge of Python, R.</li><li>Strong proficiency in Power BI.</li><li>Data modeling and visualization skills.</li><li>Strong problem-solving skills to address technical challenges and data quality issues.</li><li>Analytical skills with capacity to analyze complex data problems and draw meaningful insights.</li></ul>
2026-03-18T00:00:00Z

Data Engineer

Washington, DC
onsite
Temporary
55 - 65 USD / Hourly
I’m building a world-class team to power our next generation of data products. We’re looking for a Senior Data Engineer who knows AWS inside and out—someone who can design secure, scalable data pipelines, own ETL/ELT workflows, engineer cloud data infrastructure, and deliver dimensional and semantic models that our analysts, data scientists, and applications can trust.You’ll work closely with product, security, platform engineering, and analytics to move our architecture toward a real-time, governed, cost-aware, and highly automated data ecosystem.What You’ll Do<ul><li>Design & build end-to-end pipelines on AWS (batch and streaming) using services like Glue, EMR, Lambda, Step Functions, Kinesis, MSK, and Fargate.</li><li>Develop robust ETL/ELT (PySpark, Spark SQL, SQL, Python) for structured, semi-structured, and unstructured data at scale.</li><li>Own data storage & processing layers: S3 (Lake/Lakehouse), Redshift (or Snowflake on AWS), DynamoDB, and Athena with strong partitioning, compaction, and performance tuning.</li><li>Implement data models (3NF, dimensional/star, Data Vault, Lakehouse medallion) for analytics and operational workloads.</li><li>Engineer secure infrastructure-as-code with Terraform (or CDK) across multi-account setups; implement CI/CD via GitHub Actions or AWS CodeBuild/CodePipeline.</li><li>Harden security & governance: use IAM, Lake Formation, KMS, Secrets Manager, VPC/PrivateLink, GLUE Catalog, and fine-grained access controls. Partner with SecOps on compliance (e.g., SOC 2, FedRAMP, HIPAA depending on dataset).</li><li>Observability & reliability: build monitoring with CloudWatch, OpenTelemetry, and data quality checks (e.g., Great Expectations, Deequ), implement SLOs and alerts.</li><li>Champion best practices: code reviews, testing (unit/integration), documentation, runbooks, and blameless postmortems.</li><li>Mentor mid-level engineers and collaborate on architectural decisions, standards, and technical roadmaps.</li></ul>
2026-03-10T00:00:00Z

Application Development Project Manager

Kensington, MD
onsite
Temporary
55 - 70 USD / Hourly
Position Overview We are seeking an experienced Application Development Project Manager to lead the planning, execution, and delivery of software development projects. This role is responsible for coordinating cross-functional teams, managing project timelines and budgets, and ensuring that application development initiatives align with business goals and technical requirements. The ideal candidate has strong experience managing the full software development lifecycle and working closely with engineering, product, and business stakeholders.Key Responsibilities<ul><li>Lead end-to-end application development projects from planning and requirements gathering through development, testing, deployment, and post-implementation support.</li><li>Collaborate with software developers, QA teams, product owners, and business stakeholders to define project scope, objectives, and deliverables.</li><li>Develop and manage project plans, timelines, budgets, and resource allocation to ensure projects are delivered on schedule.</li><li>Track project progress, manage risks and issues, and communicate status updates to leadership and stakeholders.</li><li>Facilitate Agile or Waterfall project management processes, including sprint planning, backlog grooming, and project reviews when applicable.</li><li>Coordinate cross-functional teams to ensure alignment between business requirements and technical implementation.</li><li>Ensure quality standards, documentation, and testing processes are followed throughout the development lifecycle.</li><li>Manage vendor relationships and third-party development partners when applicable.</li><li>Support change management, user adoption, and post-deployment improvements.</li></ul>
2026-03-06T00:00:00Z

Application Development Project Manager

Washington, DC
onsite
Temporary
55 - 70 USD / Hourly
Position Overview We are seeking an experienced Application Development Project Manager to lead the planning, execution, and delivery of software development projects. This role is responsible for coordinating cross-functional teams, managing project timelines and budgets, and ensuring that application development initiatives align with business goals and technical requirements. The ideal candidate has strong experience managing the full software development lifecycle and working closely with engineering, product, and business stakeholders. Key Responsibilities Lead end-to-end application development projects from planning and requirements gathering through development, testing, deployment, and post-implementation support. Collaborate with software developers, QA teams, product owners, and business stakeholders to define project scope, objectives, and deliverables. Develop and manage project plans, timelines, budgets, and resource allocation to ensure projects are delivered on schedule. Track project progress, manage risks and issues, and communicate status updates to leadership and stakeholders. Facilitate Agile or Waterfall project management processes, including sprint planning, backlog grooming, and project reviews when applicable. Coordinate cross-functional teams to ensure alignment between business requirements and technical implementation. Ensure quality standards, documentation, and testing processes are followed throughout the development lifecycle. Manage vendor relationships and third-party development partners when applicable. Support change management, user adoption, and post-deployment improvements.
2026-03-06T00:00:00Z

Application Development Project Manager

Fairfax, VA
onsite
Temporary
55 - 70 USD / Hourly
Position Overview We are seeking an experienced Application Development Project Manager to lead the planning, execution, and delivery of software development projects. This role is responsible for coordinating cross-functional teams, managing project timelines and budgets, and ensuring that application development initiatives align with business goals and technical requirements. The ideal candidate has strong experience managing the full software development lifecycle and working closely with engineering, product, and business stakeholders.Key Responsibilities<ul><li>Lead end-to-end application development projects from planning and requirements gathering through development, testing, deployment, and post-implementation support.</li><li>Collaborate with software developers, QA teams, product owners, and business stakeholders to define project scope, objectives, and deliverables.</li><li>Develop and manage project plans, timelines, budgets, and resource allocation to ensure projects are delivered on schedule.</li><li>Track project progress, manage risks and issues, and communicate status updates to leadership and stakeholders.</li><li>Facilitate Agile or Waterfall project management processes, including sprint planning, backlog grooming, and project reviews when applicable.</li><li>Coordinate cross-functional teams to ensure alignment between business requirements and technical implementation.</li><li>Ensure quality standards, documentation, and testing processes are followed throughout the development lifecycle.</li><li>Manage vendor relationships and third-party development partners when applicable.</li><li>Support change management, user adoption, and post-deployment improvements.</li></ul>
2026-03-06T00:00:00Z

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

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