<Back to Search
Application Developer
Chantilly, VAMarch 20th, 2026
MANTECH seeks a motivated, career and customer-oriented Application Developer to join our team in Chantilly, VA The Application Developer will be dedicated full-time to development and enhancement support for existing applications as well as new development. Responsibilities include but are not limited to:Designing, programming/developing, and modifying software systems, applications, and tools, both existing and potentially new in the futureAnalyzing user needs and software requirements to determine feasibility of design within time and cost constraintsCollaborating with teammates, other service providers, vendors, and users to develop new program featuresDeveloping unit and integration tests, in addition to participating in functional and regression tests to ensure programs will produce the desired results and that instructions are correctCorrecting errors by making the appropriate changes and then re-checking the program to ensure the desired result was produced. As well as, reviewing help desk messages periodically and working with other teams to troubleshoot and resolve production issuesParticipating in code reviews by reviewing and incorporating feedback from teammates as well as providing feedback to others based on existing standards and recommended programming practices.Deploying code to development, test, and production environments using existing DevOps infrastructure/tools Minimum Qualifications:High School Diploma/GED with 7+ years of experience in the Information Technology fieldStrong Java programming/development skills, with hands-on experienceExperience with HTML, CSS, JavaScript, and at least one modern front-end framework, preferably AngularExperience with, or knowledge of, the Spring Framework and RESTful services and SQL, ORM libraries such as Hibernate/JPAExperience with Git branching and merging within a team to manage source code Preferred Qualifications:Strong ability to manage competing priorities and communication to multiple stakeholdersExperience with, or knowledge of, ElasticsearchExperience with, or knowledge of, best practices for developing secure web applications Clearance Requirements:An active TS/SCI with Polygraph Physical Requirements:Use hands to operate a computer and other office productivity machinery, such as a calculator, copy machine and computer printer.The person in this position needs to occasionally move about inside the office to access file cabinets, office machinery, etc.Must be able to remain in a stationary position 50% of the time
Showing 750 of 28,293 matching similar jobs in Springbrook, ND
- Platform Engineer - Generative AI & AI-Powered Tools
- Full-Stack Engineer: Build Scalable Tax Research Apps (Remote)
- Senior Remote Full-Stack Engineer (React Native/Java)
- Senior Product Manager, Repos & Developer Platform
- Remote AI Model QA & Full-Stack DeveloperRemoteMarch 26th, 2026
- Remote Senior GitHub & DevOps Solution ArchitectRemoteMarch 26th, 2026
- Full-Stack Software Engineer (Java/React) - Mostly RemoteRemoteMarch 26th, 2026
- Guidewire Lead Developer - Remote Role
- Platform SRE - リードエンジニア(新規事業:トークン化預金関連事業)Yokohama-shi, March 26th, 2026
- Senior Remote PM - AI Infrastructure for GPU Clusters
- Remote Senior C++ Full-Stack Engineer for AI Data & InfraRemoteMarch 26th, 2026
- Remote Web Design Tutor — Flexible Hours + AI CopilotRemoteMarch 26th, 2026
- Remote Web Content Coordinator — WordPress & Accessibility
- Remote Kubernetes Architect for HPC & AI ClustersRemoteMarch 26th, 2026
- Remote-Eligible Full Stack Engineer: Cloud & Microservices
- Senior Full-Stack Engineer — Remote (Java/JS/Python)RemoteMarch 26th, 2026
- Senior DevOps Engineer (Remote) | CI/CD & GitLab ExpertRemoteMarch 26th, 2026
- Remote Fullstack Praktikant – UI & Backend für Robotik-SteuerungRemoteMarch 26th, 2026
- SRE(サイト・リライアビリティ・エンジニア) テクノロジープラットフォーム本部
- Remote DevOps Administrator: Azure, CI/CD & AKS
- Senior Mobile Engineer - Kotlin Multiplatform (Remote)RemoteMarch 26th, 2026
- Senior DevOps Engineer - Remote | Kubernetes & Cloud
- Software Engineer: Cloud, AI & Edge Platform (Remote)RemoteMarch 26th, 2026
- Senior Fullstack Engineer - Pay Web (Remote, NI)
- Remote Junior Software Engineer – ML & Web Apps
- Remote Java Backend Engineer for AI‐Driven Platforms
- Remote ML Engineer & SRE - Azure Infra & MLOpsRemoteMarch 26th, 2026
- Remote Senior ML Infra & DevOps Engineer
- Senior QA Automation Engineer - Health Care
- Sr. Software Dev Engineer, AWS Marketplace
- Senior AI/ML Engineer – Remote Autonomous Agent ArchitectRemoteMarch 26th, 2026
- Remote Full-Stack Dev (Kotlin/Java) for AIRemoteMarch 26th, 2026
- Site Reliability Engineering (SRE) Automation and Orchestration Engineer
- AI Engineer (Hybrid)
- Software Dev Engineer - II Prime Video, Prime Video Ads
- Full-Stack Engineer for AI Analytics Platform (Remote)RemoteMarch 27th, 2026
- AI Engineer (Hybrid)
- Lead Engineer - Mobile Platform (AI & Cross-Platform) - Remote
- Systems Engineer
- Presales Architect