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Overview Project Description : Seeking a Senior Application Developer with Java experience and a strong aptitude in modernizing systems. The incumbent will support up to 3 Legacy mission-essential systems in the upgrade from Java/JDK 8 to Java/JDK 21 technology and beyond with operations and maintenance. Period of Performance: February 2, 2026 until December 31, 2026, with the possibility of extension. Place of Performance: Washington, DC campuses, On-site 5 days per week. Qualifications Qualification Requirements : Proficiency in tools like Maven, JavaScript, jQuery, Knockout.js, HTML, and... more ->
Zachary Piper Solutions is seeking a Senior Full Stack Developer (Java) to support operations in Washington, DC area. This is a hybrid role looking for someone to design and build Java applications and data pipelines integrating Collibra and Edge Servers to automate metadata management and ensure data governance. Responsibilities for the Senior Full Stack Developer (Java) include: Develop & Integrate Java-based apps, APIs, and UIs with Collibra and Edge Servers. Automate Workflows using Collibra APIs, BPMN, and custom connectors for metadata ingestion. Build Pipelines for secure,... more ->
Design, develop, and maintain high-performance, scalable Back End services using Java and related technologies. Work with NoSQL (MongoDB) and SQL databases (DB2, Postgres) to manage and query large datasets efficiently. Develop, test, and deploy Spring Boot-based applications with a focus on microservices architecture. Implement GraphQL endpoints to allow efficient data querying and integration with Front End teams. Collaborate with Front End developers, product managers, and other stakeholders to deliver robust Back End solutions. Ensure the application architecture adheres to industry best... more ->
Overview The Opportunity: We are seeking an AI-Enabled Developer and Engineer to design and deliver enterprise and mission systems that leverage agentic AI workflows and AI-assisted development tools, with the engineer serving as the accountable human-in-the-loop. This role emphasizes building software systems that orchestrate AI agents, tools, and workflows while ensuring correctness, security, governance, and operational reliability within regulated SDLC and DevSecOps environments. Responsibilities Design and deliver enterprise and mission systems that leverage agentic AI workflows and... more ->
Job Number: R0232433 The Opportunity We are seeking an AI-Enabled Developer and Engineer to design and deliver enterprise and mission systems that leverage agentic AI workflows and AI-assisted development tools, with the engineer serving as the accountable human-in-the-loop. This role emphasizes building software systems that orchestrate AI agents, tools, and workflows while ensuring correctness, security, governance, and operational reliability within regulated SDLC and DevSecOps environments. Work with us as we shape systems for the better. Join us. The world can't wait. You Have 3+ years... more ->
Your growth matters to us - explore our career development opportunities. BE EMPOWERED TO SUCCEED Connect with others in our people-first culture and enhance our collective ingenuity. SUPPORT YOUR WELLBEING Learn how we'll support you as you pursue a balanced, fulfilling life. YOUR CANDIDATE JOURNEY Discover what to expect during your journey as a candidate with us. APPLICATION DEVELOPER, SENIOR THE OPPORTUNITY We are seeking an AI-Enabled Developer and Engineer to design and deliver enterprise and mission systems that leverage agentic AI workflows and AI-assisted development tools, with the... more ->
Overview: SimVentions is a 100% employee-owned business and has consistently been voted one of Virginia's Best Places to Work. We are seeking an experienced Software Developer to provide engineering support in an Agile development environment for the Tomahawk program. As part of a Scrum team, you will be performing software design, implementation, and test, documentation, and defect analysis. This is a senior level position requiring a minimum of 10 years of professional experience. Must be willing to work on-site at Dahlgren Naval Base 4+ days/week. Travel: Very rare. Less than 10%.... more ->
Overview The Senior Software Developer will lead the design and development of a new application. This role will design and implement Back End APIs using Java Spring Boot, build secure and responsive UIs in React, and develop optimized PostgreSQL schemas and queries. The role will deliver large-scale enterprise applications from concept through deployment. This position performs all duties and responsibilities in accordance with the Mission, Vision, and Core Values of Cayuse. Responsibilities Lead full-stack design and development using Java Spring Boot and React. Design and implement... more ->
Overview GovCIO is currently hiring a Senior .NET/ColdFusion Application Developer & Application Architect to support the work and projects of our client in Washington D.C. MUST be able to obtain a Public Trust Clearance and Background Clearance. The role's primary function will be to work with the software development team to support and enhance existing software applications written in ColdFusion, Java and .NET using SQL Server and Oracle databases in the backend. Responsibilities Essential Job Duties and Responsibilities This position requires excellent interpersonal and written... more ->
Strong fundamentals in Object-Oriented Concepts. Expertise in Core Java/J2EE. Proficiency in Python and R programming. Solid understanding of Relational Database concepts and SQL queries. Platforms and Frameworks Proficiency in Unix platforms. Experience with the Spring framework. Hands-on experience with AWS services: Elastic Beanstalk, CloudFormation, OpsWorks, VPC, EC2, ECS, CloudWatch, IAM, API Gateway, SQS, SNS, SES, Kinesis, RDS, ElastiCache, DynamoDB, EMR, and Redshift. Database and Reporting Working knowledge of Oracle and Oracle stored procedures. Experience building reports in BI... more ->
Overview: SimVentions is a 100% employee-owned business and has consistently been voted one of Virginia's Best Places to Work. We are seeking a detail-oriented candidate with knowledge and experience working with avionics systems, components, and software. This position is located at NAVAIR Station Pax River in St. Mary's County, MD and requires daily on-site presence. Travel: NA Clearance: An Interim Secret Clearance is required for this position. Applicants selected will be subject to a security investigation and may need to meet eligibility requirements for access to classified... more ->