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.
SME Oracle APEX Developer System OneSME Oracle APEX DeveloperWashington, DC$91–$110 / hourSystem One, and its subsidiaries including Joulé and Mountain Ltd., are leaders in delivering outsourced services and workforce solutions across North America. Preferred: Experience with Oracle Database 11+, Forms, Reports, Oracle APEX 4.0+, and government contracting with DOJ clearance.
Senior Full Stack .Net Developer (onsite) System OneSenior Full Stack .Net Developer (onsite)Washington, DCThey will build and maintain powerful web applications using our modern tech stack: NET Core C#, Web API, Angular 16+, Entity Framework, and SQL Server. They will work collaboratively with other developers, QA engineers, and business analysts in our fast-paced Agile environment to deliver software solutions.
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.
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.
Senior Java Developer – Capital Markets Pinnacle Technical ResourcesSenior Java Developer – Capital MarketsMcLean,, Virginia$90–$100 / hourContractorThe specific compensation for this position will be determined by several factors, including the scope, complexity, and location of the role, as well as the cost of labor in the market; the skills, education, training, credentials, and experience of the candidate; and other conditions of employment. We are seeking a highly skilled Developer-Java/J2EE Specialist with extensive experience in designing, developing, and implementing software solutions.
Legacy .NET Developer System OneLegacy .NET DeveloperVienna, VAFacilitate user acceptance testing to include developing and executing test cases, test criteria, scenarios, and communication with project teams; ensure acceptance of delivered solutions; validate and document results. • Partner with project teams to plan, coordinate and roll out software change/release to Controlled Testing and Production; obtain required approvals and transition project to production.
IT Web Developer NuAxis InnovationsIT Web DeveloperWashington DC, DCMaintain code, configuration, database scripts, and deployment artifacts in DOL-controlled Git repositories; support ServiceNow incident/change records for production changes and promotions. • Strong relational database skills; direct experience with IBM DB2 strongly preferred, otherwise Oracle/SQL Server/PostgreSQL with willingness to cross-train.
ServiceNow Developer Dev Technology GroupServiceNow DeveloperWashington, DC$90,000–$140,000 / yearServe as a ServiceNow developer on a cross-functional development team; Design and develop custom scoped applications on the Now Platform to meet business requirements, including implementation of ACLs, client scripts, UI Builder, business rules, workflows, and custom Service Portal widgets, including advanced scripting of each. 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: Generous and flexible time-off policy.
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.
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.
NewApplication Cloud Engineer System OneApplication Cloud EngineerHerndon, VARemoteKubectl proficiency and general Kubernetes object management (deployments, services, configmaps, secrets, RBAC). System One, and its subsidiaries including Joulé and Mountain Ltd., are leaders in delivering outsourced services and workforce solutions across North America.
Sr. AI Database Developer PingWindSr. AI Database DeveloperRockville, MarylandAI Database Developer with a strong emphasis on Artificial Intelligence and Machine Learning to join the PingWind team supporting Agency for Healthcare Research and Quality’s (AHRQ) Artificial Intelligence / Machine Learning strategy in Rockville, MD. Your responsibilities will include developing database code, identifying and documenting defects, and collaborating with cross-functional teams to deliver high-quality software to our stakeholders and users.
Senior Database Developer Astor & SandersSenior Database DeveloperMcLean, VAAstor & Sanders Corporation (Astor) is an award-winning IT solutions provider headquartered in McLean, VA seeking a Senior Database Developer with Appian experience . Astor & Sanders Corporation ( www.astor-sanders.com ) offers a unique, stimulating and challenging environment that fosters individual growth and rewards performance.
Database Developer Role OpenDataJobsDatabase Developer RoleWashington, DCThose needs may appear in an opening, but they do not redefine the role: the Database Developer remains accountable for database-resident logic, data integrity, query behavior, and safe schema change. You read execution plans, select or revise indexes, remove avoidable work from a query, manage migrations, validate constraints, and test changes against realistic data volumes.
Database Developer, Senior LCG, Inc.Database Developer, SeniorRockville, MD$110,000–$128,000Build and support ETL workflows using applicable technologies such as SQL Server Integration Services (SSIS), Azure Data Factory, AWS data-integration services, Oracle Data Integrator, Python-based pipelines, scheduling tools, or comparable enterprise ETL platforms. The Senior Database Developer will also develop Power BI datasets, semantic models, reports, and dashboards that consolidate data from multiple application sources and provide actionable operational, programmatic, and executive-level insights.
Database Developer, Senior LCGDatabase Developer, SeniorRockville, MarylandBuild and support ETL workflows using applicable technologies such as SQL Server Integration Services (SSIS), Azure Data Factory, AWS data-integration services, Oracle Data Integrator, Python-based pipelines, scheduling tools, or comparable enterprise ETL platforms. The Senior Database Developer will also develop Power BI datasets, semantic models, reports, and dashboards that consolidate data from multiple application sources and provide actionable operational, programmatic, and executive-level insights.
Database Developer Bart & Associates IncDatabase DeveloperAshburn, VAIn recognition of all these efforts, B&A has been named a Companies as Responsive Employers (CARE) award recipient by Northern Virginia Family Services and nominated by the Northern Virginia Chamber of Commerce for Outstanding Corporate Citizenship Award. B&A is proud to offer three robust individual and family medical plans to full time employees, including a Health Savings Account (HSA) option as well as two tiers of dental coverage, vision, life & AD&D, disability, accident, hospital indemnity, and critical illness insurance.
Database Developer Bart & AssociatesDatabase DeveloperAshburn, VAIn recognition of all these efforts, B&A has been named a Companies as Responsive Employers (CARE) award recipient by Northern Virginia Family Services and nominated by the Northern Virginia Chamber of Commerce for Outstanding Corporate Citizenship Award. B&A is proud to offer three robust individual and family medical plans to full time employees, including a Health Savings Account (HSA) option as well as two tiers of dental coverage, vision, life & AD&D, disability, accident, hospital indemnity, and critical illness insurance.
Senior Database Developer (5480) cBEYONData + SMXSenior Database Developer (5480)Washington, DC$95,600–$160,700 / yearPerformance Optimization & Query Tuning: Proactively monitor system performance, optimize database parameters, design indexing/partitioning/distribution strategies, and refactor complex SQL stored procedures to accelerate query execution for reporting tools like WebFOCUS. Database Migration & Integration: Oversee the migration, replication, and synchronization of legacy data assets into modern cloud repositories using tools such as AWS Database Migration Service (DMS) and containerized pipeline orchestrators (e.g., Apache Airflow).