Senior Software Developer (Java/J2EE/Application Modernization) RHO Inc.Senior Software Developer (Java/J2EE/Application Modernization)Rockville, MDHands-On Design & Development: Collaborate with technical leads and work closely with other developers to design and implement migration patterns, reusable components, and reference code that support teams transitioning legacy Java/J2EE applications to AWS. AWS Service Integration: Select and integrate AWS services based on application needs, such as EC2/ECS/EKS for compute, S3 for storage, RDS for databases, API Gateway for APIs, and Lambda for event-driven processing.
Java Developer Set of XJava DeveloperAnnapolis Junction, MDFull timeDesired Skills: Experience with Java, JSON, XML, SpringBoot, Mongo, AWS Services, Kubernetes K8, GraphQL, Git, Git CICD, Maven, Artifactory, ReactJS, JUnit, Cucumber, Wiremock, GreyBox, K6, Coder Platform, IDEs (IntelliJ, VSCode), Prometheus, Grafana, Elastic. Basic Qualifications: Bachelors degree in an engineering/technical discipline from an accredited college in a related discipline, or equivalent experience/combined education, with 20 years or more of professional experience; or 18 years with a related Masters, or 15 years with a related PhD degree.
CNO Python Developer Set of XCNO Python DeveloperFt Meade, MDFull timeRequired: Bachelor’s Degree in Computer Science or related technical field from an accredited college or University and 2 +years of programming experience, or High School Diploma and 6+ years of programming experience. With a shared desire to give back, grow the community, and do great work, the Set of X team is building an elite group of engineers with a strong sense of shared responsibility and ownership.
Full Stack Developer - Remote Cherokee Nation BusinessesFull Stack Developer - RemoteWashington DC, DCRemote$130,000–$150,000 / yearIn this role, the FSE will be a key individual contributor comfortable with owning end-to-end design, development, and deployment of components to support a dynamic web application and back-end data processing solution, closely collaborating with product owners and stakeholders. The position will require a blend of front-end to back-end development and integration skills, API development, and understanding of event-driven data workflow processing, and DevSecOps automation experience in an AWS GovCloud environment.
Mid Level Software Developer Reflexive ConceptsMid Level Software DeveloperLaurel, MarylandThe position will require working in a fast-paced team in an agile environment and a willingness to learn new technologies and take on challenges to creatively solve customer requirement problem sets. Join a team of developers and system engineers and play a crucial role in ensuring that applications in the Human Resource Applications and Services organization operate effectively.
Principal Software Developer Curtiss-Wright CorpPrincipal Software DeveloperFrederick, MD$110,000–$135,000 / yearWSC's vision is to provide the Power Industry with innovative, state-of-the-art, simulation technology products and services, that will add value in the design, commissioning, and safe and reliable operation of their power generating or process plant assets. As our Principal Software Developer you will be our senior technical authority responsible for defining software architecture, guiding development strategy, and ensuring the delivery of scalable, secure, and high-quality software across major programs.
NewAppian Developers - Senior - CLEARED The Squires GroupAppian Developers - Senior - CLEAREDArlington, VirginiaRemoteOverview: The Squires Group is seeking two Senior Appian Developers to support the enhancement and completion of an existing Appian-based business process automation solution. Candidates will be responsible for custom application development, API integrations, testing, and implementing new requirements while collaborating closely with functional and technical teams in an Agile environment.
NewOCTO Senior ServiceNow Developer RIZEUP TECHNOLOGY TRAINING LLCOCTO Senior ServiceNow DeveloperWashington, DCFull timeYou will be responsible for maintaining and performing continual service improvements on the following implemented modules: ITSM, ITFM, HRSD, ITOM, PPM, and SPM. Work with product owner/stakeholders to build requested items and tasks using workflows to manage processes and meet business requirements.
NewServiceNow Developer SME - TS/SCI w Polygraph Modern Government SolutionsServiceNow Developer SME - TS/SCI w PolygraphSterling, VAFull timeTITLE: ServiceNow Developer SMELOCATION: Sterling, VACLEARANCE REQUIRED: Active DoD TS/SCI with CI PolygraphEMPLOYMENT TYPE: Full-time, On-site POSITION SUMMARYModern Government Solutions (MGS) is seeking a ServiceNow Developer SME to play a key role in building and enhancing a modern cloud platform that supports digital engineering and mission-critical operations. You'll work at the center of a hub-and-spoke architecture with ServiceNow as the core, integrating customer tools and APIs, and enabling seamless workflows across Linux, Windows, and enterprise cloud environments.
NewME00665-Agile Developer 2 Momentum Engineering OpeningsME00665-Agile Developer 2Annapolis JunctionThe successful candidate will design, develop, integrate, and deliver Java Spring Boot microservices leveraging AWS-native services, REST APIs, CI/CD practices, and containerized deployment technologies. Seeking a Microservices Developer to support modernization of a legacy operational system using a microservices-based architecture and modern cloud-native technologies.
ME00595-Full Stack Developer Momentum Engineering OpeningsME00595-Full Stack DeveloperWashingtonWorking knowledge with software platforms and services, such as, Docker, Kubernetes, JMS/SQS/SNS, Kafka, AWS Lambda, NiFi, Working knowledge with public keys and digital certificates. This role requires strong collaboration skills, ability to work effectively within an agile development team, and commitment to writing quality code that helps maintain, debug, and advance the features of the production system.
NewME00666-Agile Developer 3 Momentum Engineering OpeningsME00666-Agile Developer 3Annapolis JunctionThe successful candidate will support the full software development lifecycle, including requirements analysis, architecture and design, front-end and API development, database integration, CI/CD, automated testing, production support, and technical leadership. Seeking a Senior Full Stack Cloud Developer to design, develop, integrate, test, and sustain cloud-based applications and microservices.
ServiceNow Developer Apogee Engineering LLCServiceNow DeveloperAndrews AFB, MDApogee has an exciting new opportunity for a ServiceNow Developer to provide support for the Executive Airlift Communications Network (EACN) support task order, which provides Command, Control, Communications (C3) services for multiple critical U.S. Government missions via multiple Air to Global Information Grid (GIG) Gateways (A2G2's) supported by a Systems Integration Lab (SIL). Provide support to Senior Leader Command, Control, Communications Systems-Airborne (SLC3S-A) Operations, Mobility Air Forces (MAF) Operations, Air Force Global Strike Command's (AFGSC) E-4B aircraft, also known as the National Airborne Operations Center (NAOC), and U.S. Navy E-6B Mercury aircraft.
Oracle Fusion Lead Developer - Hire to Retire Allegis Group IncOracle Fusion Lead Developer - Hire to RetireHanover, MD$108,200–$164,800 / yearJob Summary: We are seeking a seasoned Lead Developer to design, deliver, and optimize Oracle Fusion HCM, ERP, and PaaS solutions, with a focus on Time & Labor, Core HR, and Expenses, supporting cross functional enterprise initiatives. Collaboration: Collaborate closely with Product Owners, Architects, Analysts, Developers, Testers, Managers, and business partners across front- and back-office teams.
iOS Developer BigBear.aiiOS DeveloperReston, VAYou'll own development efforts end-to-end-design, build, test, debug, document, and sustain custom tooling in a fast-paced environment where performance, reliability, and mission outcomes matter. BigBear.ai is seeking an Apple iOS Developer to join a mission-focused cyber team solving real-time challenges in support of national security objectives.
Lead Software Developer LeidosLead Software DeveloperGaithersburg, MarylandThe TFDM program is a Federal Aviation Administration (FAA) NextGen initiative focused on airport surface management, delivering a comprehensive integrated surface traffic control and management system that enhances efficiency for both airport surface operations and terminal airspace. This hands-on experience provides a unique chance to see your work come to life in operational environments, collaborate directly with FAA personnel, and gain firsthand insight into the technology that supports the nation's air traffic system.
Sr. Software Developer LeidosSr. Software DeveloperGaithersburg, MarylandJuly 13, 2026 For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above. • Optimizing the experience for the flying public, Air Traffic Control, and the airline industry by improving the collaboration and decision-making capabilities of flight controllers.
Full Stack Developer Knak DigitalFull Stack DeveloperWashington, DC$1–$2 / hourThis role is for a senior remote full-stack developer who is comfortable making technical decisions, working directly with clients and stakeholders, and mentoring the engineers around them. Design and integrate RESTful APIs, GraphQL endpoints, and AI-assisted features including LLM-powered workflows and RAG.
AI Developer SarnovaAI DeveloperWashington DC, DCThe company operates through several market-leading companies including Tri-anim Health Services, the largest specialty distributor of respiratory products, Bound Tree Medical, the largest supplier of EMS products, and Cardio Partners, a full Sudden Cardiac Arrest Solution provider, We’re building the future of intelligent systems—and we’re looking for an AI Developer to help lead the charge. Sarnova is the leading national specialty distributor of health care products in Emergency Medical Services (EMS) and Respiratory Markets and is the industry leader in Revenue Cycle Management within Emergency Medical Services (EMS).
Senior Full Stack IoT Software Developer SarnovaSenior Full Stack IoT Software DeveloperWashington DC, DCRemoteBy driving the development of intelligent, connected devices, the Senior Full Stack IoT Developer directly supports strategic initiatives in product innovation, operational efficiency, and customer experience. Customers’ emergency preparedness needs are met via Cardio Partners’ nationwide CPR training courses and state-of-the-art program management services.
IT Software Developer III E LogicIT Software Developer IIIWashington D.C., DCE-Logic is seeking a highly skilled IT Software Developer III to support the Internal Revenue Services (IRS) Audit Information Management System (AIMS) Digitalization program. This role focuses on development, modernization, enhancement, and maintenance of mission-critical IRS applications in a UNISYS mainframe environment supporting Taxpayer Digital Communications initiatives.
NewCNO Developer 1 - PRIME Contract - FS Poly stanleyreidCNO Developer 1 - PRIME Contract - FS PolyAnnapolis Junction, MarylandOperating as both a prime and subcontractor, they offer a collaborative environment where hands-on experts serve as trusted advisors across the full SDLC, including cloud-native development, low-level/CNO engineering, and AI/ML integration. If you are seeking a purpose-driven role with a team that values your technical expertise and personal well-being, we invite you to explore the elite opportunities our client has to offer.
NewCNO Developer 2 - PRIME Contract - FS Poly stanleyreidCNO Developer 2 - PRIME Contract - FS PolyAnnapolis Junction, MarylandOperating as both a prime and subcontractor, they offer a collaborative environment where hands-on experts serve as trusted advisors across the full SDLC, including cloud-native development, low-level/CNO engineering, and AI/ML integration. If you are seeking a purpose-driven role with a team that values your technical expertise and personal well-being, we invite you to explore the elite opportunities our client has to offer.
Lead Application Developer Bart & AssociatesLead Application DeveloperSuitland, MDIn 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. This role provides technical and management leadership on major application development assignments, applying coding and documentation best practices and adhering to USCB technical and security requirements and SDLC frameworks.
NewSr. AWS Full Stack Developer (TS/SCI-CI Poly) VibrintSr. AWS Full Stack Developer (TS/SCI-CI Poly)Herndon, VAFull timeExperience with the following technologies and capabilities is highly desirable:Working with relational and NoSQL databases such as PostgreSQL, SQL Server, Oracle, MongoDB, or DynamoDB.Microservices architecture and event-driven application designAWS Cloud Development Kit (CDK), Infrastructure as Code (IaC), and serverless application developmentExperience deploying applications across classified and unclassified environments Experience developing or integrating Artificial Intelligence (AI) or Machine Learning (ML) solutions is a plus AWS, Security+, or other cloud and cybersecurity certificationsStrong analytical, problem-solving, and communication skills with the ability to work effectively across technical and non-technical teamsTS/SCI + CI Poly (Preferred) The pay range for this position is a general guideline only and not a guarantee of compensation or salary. Must possess an active TS/SCI clearance with CI Poly (Preferred)High school diploma or GED (bachelor's degree in computer science, Software Engineering, Information Systems, or a related field preferred).Desired SkillsAdditional preferred qualifications include experience supporting cloud-native applications within Federal Government or Intelligence Community environments and familiarity with modern software architecture and secure application development practices.
Senior Software Developer Lead Zp Group LlcSenior Software Developer LeadChantilly, VA$150,000–$190,000 / yearThe Senior Software Developer Lead will work in a cross‑functional environment to design, develop, test, and deliver Java‑based software that enables stakeholders to advance national security space missions. Preferred Qualifications Include: Bachelor of Science degree in Computer Science, Engineering, Mathematics, Physics, Data Science, or a related technical discipline.
Senior Software Lead Developer Zp Group LlcSenior Software Lead DeveloperChantilly, VA$150,000–$190,000 / yearThe Senior Software Developer Lead will work in a cross‑functional environment to design, develop, test, and deliver Java‑based software that enables stakeholders to advance national security space missions. Preferred Qualifications Include: Bachelor of Science degree in Computer Science, Engineering, Mathematics, Physics, Data Science, or a related technical discipline.
Software Developer Verite Group, Inc.Software DeveloperMcLean, VAWe've grown on this effort by providing the customer with Engineers who have done exceptional work, and we've retained our staff by paying very strong salaries, and working hard to ensure each Engineer is doing work that aligns with their career interest. Demonstrated experience with database self-hosting including installation, configuration, backup/recovery, high availability, and performance tuning using PostgreSQL and MySQL.
Web Software Developer (Secret Clearance Required) Drug Enforcement Administration (DEA) ITC FederalWeb Software Developer (Secret Clearance Required) Drug Enforcement Administration (DEA)Chantilly, VAJOB OVERVIEW: We are seeking a Software Developer to support the DEA in developing and modernizing Web-based applications, including online customer-service capabilities that enable agency components to deliver their services online. ITC Federal, LLC (ITC) connects technology advancements in automation and AI, customer experience, and financial services to solve government mission challenges, enabling smoother operational efficiency and bolstering national security.
Lead Application Developer Bart & Associates IncLead Application DeveloperSuitland, MDIn 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. We are seeking a Subject Matter Expert (SME)level Lead Application Developer to lead the design and development of new and modernized applications for the U.S. Census Bureaus Decennial Transformation and Application Modernization (DTAM) effort.
SharePoint SPFx & Power Platform Developer Bart & Associates IncSharePoint SPFx & Power Platform DeveloperWashington, DCIn 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.
Agile Developer, Cyber & Data Resilience Kroll, LLCAgile Developer, Cyber & Data ResilienceWashington, DCAdditional Required Qualifications: Active TS/SCI clearance with Full Scope Polygraph Experience working with the AWS tool suite such as OSS, DynamoDB, Lambdas, and CloudWatch Proficiency in at least 3 of the following: Java/Spring Boot, Python, Elastic Search/Open Search, microservice architectures, CI/CD tools (AWS tools, Maven, GitLab, GitOps, Kubernetes, Docker, Ansible), NoSQL/MongoDB/DynamoDB query and schema design, OAuth/OIDC implementation, test frameworks and automation (Cypress, Cucumber) Java, Spring Boot, or Python experience (strongly desired per Prime) Elastic Search and Open Search experience (strongly desired per Prime) Strong understanding of RESTful API design and implementation Experience with Agile development methodologies and delivery practices Desired Skills Experience modernizing legacy systems to microservices-based architectures in classified environments Kubernetes and Docker container orchestration in production environments Ansible configuration management and infrastructure automation OAuth/OIDC implementation experience in distributed systems MongoDB and DynamoDB advanced query and schema design CI/CD pipeline design and optimization using GitLab and GitOps Experience with AWS CloudWatch monitoring, logging, and alerting Familiarity with DoD/IC security compliance requirements (STIGs, RMF) Your recruiter will be happy to walk you through your U.S.-specific benefits, which include: Healthcare Coverage: Comprehensive medical, dental, and vision plans. EmergeATS is seeking a senior Agile Developer (Microservices) to support a Lockheed Martin program modernizing a legacy operational system using a microservices-based architecture and cutting-edge technologies.
Salesforce Developer - Experience Cloud ClifyX, INCSalesforce Developer - Experience CloudMcLean, VAThe Salesforce Experience Cloud Developer is responsible for designing, developing, and maintaining Experience Cloud (Community) sites, including the clients Online Experience portal. 10+ Years of experience in Salesforce Development with strongs hands on experience in Salesforce Experience Cloud, Apex, LWC, Sales Cloud, Service Cloud.
Mobile Developer ClifyX, INCMobile DeveloperMcLean, VALead the end-to-end mobile application architecture using Ionic and Capacitor for hybrid development and Swift for native iOS components. Implement mobile security best practices (secure storage, encryption, authentication, certificate pinning, etc.).
System Automation - Agile Developer (Clearance Required) Kroll, LLCSystem Automation - Agile Developer (Clearance Required)Washington, DCFull timeEducation: Bachelor's degree from an accredited college in a related discipline, or equivalent combined education and experience (3 or more years of professional experience; or 1 year with a related Master's degree). The contractor works embedded in a cross-functional Agile team, owning test framework design, automated test execution, and quality delivery across the full software lifecycle.
SharePoint Developer Calibre SystemsSharePoint DeveloperSpringfield, VAResponsibilities include: Custom Solution Development: Design and build custom SharePoint components like web parts, extensions, and site templates using the SharePoint Framework (SPFx) . Certifications: Highly valued credentials include the Microsoft 365 Certified: Developer Associate (MS-600) and the Power Platform App Maker Associate (PL-100) .
Lead Application Developer (SME) Onyx Government Services,LLCLead Application Developer (SME)Suitland, MDFull timeIn support of our various efforts, we have developed the Onyx Data Management Toolkit, a combination of Agile Development principles, COTS Integration, and custom software, to deliver flexible, cost-effective solutions to a variety of Department of Defense, Intelligence Community, and Law Enforcement agencies. We are seeking a Subject Matter Expert (SME)–level Lead Application Developer to lead the design and development of new and modernized applications for the U.S. Census Bureau’s Decennial Transformation and Application Modernization (DTAM) effort.
Full Stack Developer Bridge DefenseFull Stack DeveloperWashingtonSolid written and verbal communication skills to negotiate direction, drive projects and projects to successful conclusion and deliver knowledge to team members verbally and via clear designs, runbooks and technical engineering and exchange sessions. Working knowledge with software platforms and services, such as, Docker, Kubernetes, JMS/SQS/SNS, Kafka, AWS Lambda, NiFi, Working knowledge with public keys and digital certificates.
Senior Education PowerApps Developer AnnexaSenior Education PowerApps DeveloperWashingtonThe client will be using Microsoft's cloud-based workspace to help teams get more done with business apps that match their exact process, and build customizable business applications to collaborate on data, automate workflows and share actionable reports. The Developer will maintain a suite of previously created applications as well as design, develop, and document projects and applications using PowerApps, Power Automate, and Power BI.
Senior Full Stack Developer - TS/SCI with Polygraph General Dynamics Information TechnologySenior Full Stack Developer - TS/SCI with PolygraphChantilly, VirginiaOur mission-oriented team is responsible for the design, testing, deployment, maintenance, operation, and evolution of the systems directly supporting the insider threat detection program of a large government customer in the United States Intelligence Community (USIC). Required Technical Skills: Java w/ Spring Boot, TypeScript w/ React+Redux, Hbase, Solr, JanusGraph, NiFi, Postgres / PostgreSQL, Ansible, Linux (RHEL) experience and skills, Python, Multithreading.
DCPS Sr ServiceNow Developer CbDCPS Sr ServiceNow DeveloperWashington, District of ColumbiaThis role will play a critical hands-on role in configuring, maintaining, and evolving ServiceNow to support district-wide business processes across multiple modules, including—but not limited to— Source-to-Pay (S2P), Human Resources Service Delivery (HRSD), IT Service Management (ITSM), IT Asset Management (ITAM), and other modules. The ServiceNow Application Developer will ensure solutions are scalable, user-centered, secure, and aligned to DCPS operational priorities, while supporting continuous improvement of service delivery across central office and school-based teams.
NewOCTO Senior ServiceNow Developer CbOCTO Senior ServiceNow DeveloperWashington, District of ColumbiaYou will be responsible for maintaining and performing continual service improvements on the following implemented modules: ITSM, ITFM, HRSD, ITOM, PPM, and SPM. Work with product owner/stakeholders to build requested items and tasks using workflows to manage processes and meet business requirements.
Full Stack Developer M1 TechnologyFull Stack DeveloperChantilly, VADatabase/Data Layer: SQL (PostgreSQL, MySQL), NoSQL (MongoDB, Elasticsearch), Python for data processing. M1 Technology is seeking a skilled Full Stack Developer to contribute to the design, development, and deployment of cloud-native software solutions.
.NET Software Developer Pivot Path Solutions.NET Software DeveloperFairfax, VARemoteFull timeResponsible for program designing, coding, unit testing, debugging and documentation using ASP.Net, VB.Net, C#.Net, JQuery, JavaScript and Oracle database. Ability to manage software development efforts using formal specifications, data flow diagrams, UML Diagrams and other accepted design tools and technique experience.
Full Stack Developer HireTalentFull Stack DeveloperRockville, MDEnterprise Development Experience: Proven track record of designing and deploying production-grade applications using object-oriented programming principles and database technologies. " Cloud Architecture & AWS Services: Expertise in designing and implementing event-driven architectures leveraging: Messaging services (SQS/SNS).
Senior Oracle SOA Developer HireTalentSenior Oracle SOA DeveloperMcLean, VARemoteSupport existing programs by triaging failures, resolving issues, and implementing solutions, participating in on-call duties to meet project milestones or client SLAs, and engaging in Joint Application Development (JAD) sessions for requirement gathering and documentation. Implement and route web services (SOAP and REST) using Oracle OSB (Oracle Service Bus) and integrate them with BPEL on Unix/Linux.
Developer-Full Stack Senior Artech LLCDeveloper-Full Stack SeniorMcLean, VA$70–$75 / hourThis role focuses on enhancing forecasting engines, improving model accuracy and scalability, supporting critical financial reporting cycles, and partnering with FP&A and business stakeholders to deliver new forecasting capabilities and meet evolving regulatory requirements. Freddie Mac's Investments & Capital Markets division is seeking a Senior Software Developer to support its enterprise forecasting platform used for long-term financial projections, strategic planning, and decision-making.
Senior Reverse Engineer / Application Developer Staffed4USenior Reverse Engineer / Application DeveloperAnnapolis Junction, MarylandBachelor's degree in Computer Science, Software Engineering, Computer Engineering, Cybersecurity, or a related technical discipline and twelve (12) years of relevant experience; OR. The successful candidate will work collaboratively with engineers, analysts, data specialists, and technical stakeholders to develop innovative capabilities that address complex technical challenges.
Software Developer BCMCSoftware DeveloperWashington, DC, DCFull timeBusiness Computers Management Consulting Group, LLC (BCMC) is a small business specializing in Information Technology (IT), Cybersecurity, Information Assurance (IA), SOA, Big Data Management, Program Management, and more for Federal, State, and Local agencies. • Experience with two or more of the following: Python, JSON, Data Analytics, MongoDB, MinIO, Ansible, Vue.js, React, HTML, Kubernetes, Docker, Podman, Openshift, AWS, View Jazz Framework, Process Automation, Terraform, CI/CD knowledge.
Developer-Full Stack Senior - Python Artech LLCDeveloper-Full Stack Senior - PythonMcLean, VA$75–$80 / hourDiagnose and resolve defects, reduce technical debt, and drive continuous improvements to ensure alignment with software engineering best practices. Write clean, robust, high-quality code following best practices, supported by automated unit and integration tests with strong coverage.