Senior .Net Application Developer (Secret clearance) System OneSenior .Net Application Developer (Secret clearance)Reston, VAExperience as a developer in a software environment that supported more than 10,000 users and a Relational Database Management System (RDBMS) with more than 250 tables and 1 million total rows. Experience with SharePoint, NHibernate, jQuery and JavaScript, AJAX, HTML and CSS, Oracle and SQL Server databases, T4 templates, and even Classic ASP, is also desired.
NewSr. Software Developer System OneSr. Software DeveloperGaithersburg, MDThe Senior Software Engineer will work closely with product owners, architects, Scrum Masters, DevSecOps teams, and fellow developers to deliver secure, scalable, and maintainable software solutions. • Bachelor’s degree in Computer Science, Software Engineering, or a related field with 8 to 12 years of relevant experience, or a master’s degree with 6 to 10 years of relevant experience.
UI/UX Developer System OneUI/UX DeveloperMcLean, VARemoteA critical competency for this role is the ability to leverage agentic AI development tools (such as Claude Code, Antigravity, Kiro, or similar platforms) to accelerate coding workflows, debug complex issues, and streamline the software development lifecycle. Partner with cross-functional teams to integrate AI capabilities, including chatbots, Retrieval-Augmented Generation (RAG) interfaces, intelligent search, and conversational experiences.
NewSoftware Developer System OneSoftware DeveloperWashington, DC$140,000–$180,000 / yearThis role will work as part of the Sales Engineering team and engage directly with customers on-site, in a hybrid format, or remotely, as required by each customer, including the potential for occasional short-term travel to customer locations across the United States. Successful Software Developer's demonstrate competency in integrating advanced technologies into existing business processes, building new functionality, ensuring successful software deployments, and working closely with customers.
Data Specialist / Web Content Analyst NuAxis InnovationsData Specialist / Web Content AnalystWashington DC, DCAnalyzes structured and unstructured content, defines content models and taxonomies for a legacy-to-modern migration, and executes the data mapping, extraction, cleansing, and validation required to move content and application data from legacy platforms into a modern CMS and cloud data services. • Experience validating legacy-to-modern migrations involving relational databases, APIs, and CMS data models; DB2 and MySQL/PostgreSQL experience preferred.
Senior Full Stack Developer – (React, Node, AWS & Agentic AI) Dev Technology GroupSenior Full Stack Developer – (React, Node, AWS & Agentic AI)Reston, VA$116,000–$190,000 / yearAs a Washington Post Top Workplace award winner for the past THIRTEEN years in a row, the Top Workplaces USA for the past five years, and a recipient of the Companies As Responsive Employers (CARE) Award for the past six years, Dev Technology employees enjoy: Generous and flexible time-off policy. Use AI-powered development tools such as Kiro, Amazon Q Developer, GitHub Copilot, or similar agentic AI environments for code generation, refactoring, testing, and specification-driven development.
Software Developer PlanIT GroupSoftware DeveloperWashington, DCA degree from an accredited College/University in Software Engineering, Computer Science, or related discipline is preferred; • Able to perform all functional duties independently; • Experience training/mentoring less experienced personnel; • Experience authoring or contributing to software-related documentation such as requirements specifications, design documents, technical manuals, and user manuals. • Cloud Platforms: Experience with GCP services (Compute Engine, Cloud Functions, BigQuery, etc.).
Senior Application Developer (AWS/Python) onsite System OneSenior Application Developer (AWS/Python) onsiteWashington, DCSystem One, and its subsidiaries including Joulé and Mountain Ltd., are leaders in delivering outsourced services and workforce solutions across North America. • Implement comprehensive logging, monitoring, and audit trails (CloudWatch, CloudTrail).
React/Node Developer Intern (Summer 2027) Dev Technology GroupReact/Node Developer Intern (Summer 2027)Reston, VA$21–$30 / hourAs a Washington Post Top Workplace award winner for the past THIRTEEN years in a row, the Top Workplaces USA for the past five years, and a recipient of the Companies As Responsive Employers (CARE) Award for the past six years, Dev Technology employees enjoy: Generous and flexible time-off policy. Career development opportunities including a mentorship program, technical and management training through Dev University, hands-on learning through DevLab, tuition reimbursement, and paid training opportunities.
Database Developer Dev Technology GroupDatabase DeveloperAshburn, VA$100,000–$125,000 / yearWhat You'll Be Doing: The Database Developer will work with a team of database developers and database administrators to support an active program of application development - creating new structures, updating existing ones and managing data within large, complex databases. As a Washington Post Top Workplace award winner for the past THIRTEEN years in a row, the Top Workplaces USA for the past five years, and a recipient of the Companies As Responsive Employers (CARE) Award for the past six years, Dev Technology employees enjoy:
Senior Database Developer Dev Technology GroupSenior Database DeveloperAshburn, VA$110,000–$150,000 / yearWhat You'll Be Doing: The Senior Database Developer will work with a team of database developers and database administrators to support an active program of application development - creating new structures, updating existing ones and managing data within large, complex databases. As a Washington Post Top Workplace award winner for the past THIRTEEN years in a row, the Top Workplaces USA for the past five years, and a recipient of the Companies As Responsive Employers (CARE) Award for the past six years, Dev Technology employees enjoy:
PL/SQL Developer System OnePL/SQL DeveloperMcLean, VA$110,000 / hourStrong experience in Oracle SQL and PL/SQL development, including packages, procedures, functions, triggers, views, materialized views, sequences, complex queries, performance tuning, and Oracle development tools such as SQL Developer and SQL*Loader. • Support AI-enabled engineering initiatives by applying approved AI-assisted development and automation tools to improve productivity, code quality, documentation, testing, troubleshooting, and software delivery outcomes.
NewServiceNow UI/UX Designer Tecknomic LLCServiceNow UI/UX DesignerWashington, DC$39–$44 / hourFull timeThe DC Office of the Chief Technology Officer (OCTO) is seeking a ServiceNow UI/UX Designer to design, enhance, and optimize user-centered digital experiences across the District of Columbia Government’s ServiceNow platform. This is a 100% onsite role in Washington, DC.
Senior Software Engineer / Data Scientist (Training Systems) LeidosSenior Software Engineer / Data Scientist (Training Systems)Chantilly, VA$154,050–$278,475 / yearBachelor’s degree in Computer Science, Data Science, Software Engineering, Mathematics, Engineering, or related technical field with 8+ years of relevant experience and 15+ years overall experience; additional experience may be considered in lieu of degree. Familiarity with contemporary AI coding ecosystems and developer productivity tools such as Claude Code, OpenAI Codex, Cursor, OpenCode, GitHub Copilot, or similar platforms.
NewWeb Developer Verite Group, Inc.Web DeveloperChantilly, VA$150,000–$250,000 / yearIn this environment, the team will be responsible for in-class learning technologies (such as audience response system), general photography needs, process documentation for continuity of operations, maintaining the code and processes, maintaining knowledge management repositories, usage of project tracking systems and processes, and ensuring all activities and products are in compliance and consistent with the Sponsor's requirements, all relevant legal restrictions such as accessibility (Section 508), privacy and copyright. This is a team-oriented environment and one will be responsible for consulting with the Sponsor's Subject Matter Experts (SMEs) to handle a variety of activities related to curriculum design, development, and training delivery to include but not limited to: needs assessment, instructional-related research and analysis, course and lesson creation, design, development, delivery, assessing and soliciting feedback and programmatic evaluation.
Web designer -Drupal Developer AHU TechnologiesWeb designer -Drupal DeveloperWashington, District of ColumbiaShort Description : The Drupal Web Developer is responsible for designing, developing, maintaining, and enhancing web applications and digital platforms built on the latest versions of Drupal (Drupal 9/10/11). The Drupal Web Developer is responsible for designing, developing, maintaining, and enhancing web applications and digital platforms built on the latest versions of Drupal (Drupal 9/10/11).
Web designer -Drupal Developer AHU Technologies IncWeb designer -Drupal DeveloperWashington, DCFull timeShort Description : The Drupal Web Developer is responsible for designing, developing, maintaining, and enhancing web applications and digital platforms built on the latest versions of Drupal (Drupal 9/10/11). The Drupal Web Developer is responsible for designing, developing, maintaining, and enhancing web applications and digital platforms built on the latest versions of Drupal (Drupal 9/10/11).
NewWeb Developer GrvtyWeb DeveloperChantilly, Virginia$150,000–$250,000 / yearIn this environment, the team will be responsible for in-class learning technologies (such as audience response system), general photography needs, process documentation for continuity of operations, maintaining the code and processes, maintaining knowledge management repositories, usage of project tracking systems and processes, and ensuring all activities and products are in compliance and consistent with the Sponsor's requirements, all relevant legal restrictions such as accessibility (Section 508), privacy and copyright. This is a team-oriented environment and one will be responsible for consulting with the Sponsor's Subject Matter Experts (SMEs) to handle a variety of activities related to curriculum design, development, and training delivery to include but not limited to: needs assessment, instructional-related research and analysis, course and lesson creation, design, development, delivery, assessing and soliciting feedback and programmatic evaluation.
Senior Web Developer/Designer InovalonSenior Web Developer/DesignerBowie, MDDesign, build, and ship production AI features and agentic systems, including multi-agent orchestration, tool and function calling, retrieval and RAG patterns, structured output, memory and state management, prompt and context engineering, and human-in-the-loop approval flows. Must maintain a publicly accessible profile (GitHub, personal website, or professional portfolio) demonstrating work built and contributed to, including code samples and at least one shipped agentic or AI-powered project the candidate can demo and explain in depth.
NewSenior Web Developer/Designer Inovalon Holdings IncSenior Web Developer/DesignerBowie, MDDesign, build, and ship production AI features and agentic systems, including multi-agent orchestration, tool and function calling, retrieval and RAG patterns, structured output, memory and state management, prompt and context engineering, and human-in-the-loop approval flows. Must maintain a publicly accessible profile (GitHub, personal website, or professional portfolio) demonstrating work built and contributed to, including code samples and at least one shipped agentic or AI-powered project the candidate can demo and explain in depth.