Senior Software Developer GuidehouseSenior Software DeveloperRockville, MarylandResponsibilities include designing and implementing APIs, data processing pipelines, and computational services, developing reusable React components, integrating with APIs, ensuring performance and usability at scale, contributing to system architecture, writing well-tested, maintainable code, and mentoring other developers. The Senior Software Developer will collaborate closely with PhD-level scientists and subject matter experts to translate complex scientific workflows into reliable, scalable services and to design user interfaces that make complex scientific data and workflows accessible and actionable.
Full Stack Developer (HVAR) Black Canyon ConsultingFull Stack Developer (HVAR)Bethesda, MarylandThis role calls for an expert web developer – with knowledge and experience in modern web development, testing, UI design and usability principles, and ability to work effectively with user researchers, designers, product managers, scientists, security and DevOps engineers. NCBI’s wide range of applications, platforms (node, python, Django, C++, you name it) and environments (big data [petabytes], machine learning, multiple clouds) serve more users than almost any other US Government Agency according to https://analytics.usa.gov/ .
Front-End Developer / 508 Compliance Specialist [Up to 3 days/week telework] GD Information TechnologyFront-End Developer / 508 Compliance Specialist [Up to 3 days/week telework]Annapolis Junction508 Testing & Remediation: Perform comprehensive accessibility testing using JAWS and other screen readers, identifying and remediating issues related to keyboard navigation, focus management, ARIA implementation, color contrast, and semantic HTML structure. You will play a crucial role in collaborating with a cross-functional Agile team of software developers, system engineers, and product owners to build and validate accessible, compliant, and high-quality user interfaces.
Senior Red Team Wifi Developer Oak Grove Technologies, LlcSenior Red Team Wifi DeveloperFort Belvoir, VAHost-based and network-based forensics, cyber incident response, cyber-criminal investigations, intrusion detection/analysis, and designing countermeasures and mitigations for programming language weaknesses and vulnerabilities. Software vulnerability research and exploit development, including exploits, shellcode, and bypass techniques for mitigations such as NX (nonexecutable stack), ASLR, and advanced exploit protections.
Application Developer - Expert VTGApplication Developer - ExpertHerndon, VirginiaFull timeThe candidate will be part of a team of Software Developers, ETL Developers, and Data Scientists to enhance existing production applications and build out new web services on a routinized production cadence to meet the evolving needs of users. Overview: VTG is currently seeking a Full Stack Web Application Developer (Expert) in Herndon VA to work on a suite of services that will supply users with tools to automate a wide range of enterprise-wide applications and data centric mission management applications.
PostGres/SQL Database Developer Leidos Holdings IncPostGres/SQL Database DeveloperAshburn, VA$107,900–$195,050 / yearThe qualified candidate will support a complex program providing Agile development and operations and maintenance for critical systems on a mission-critical program supporting the Passenger Systems Program Directorate (PSPD) within Customs and Border Protection (CBP). The Senior SQL Developer will work closely with data analysts, application developers, and business stakeholders to ensure data integrity, optimize database performance, and support mission-critical applications.
Sr. Software Developer Leidos Holdings IncSr. Software DeveloperGaithersburg, MD$107,900–$195,050 / yearWorking alongside software engineers, architects, DevSecOps engineers, cybersecurity professionals, and mission stakeholders, you'll develop next-generation applications that deliver mission-critical capabilities in a fast-paced Agile environment. As a Senior Software Developer, you'll play a key role in designing, developing, testing, and deploying secure, scalable applications that support enterprise and mission operations.
NewSenior RPA UIPath Developer Node.DigitalSenior RPA UIPath DeveloperHerndon, VAYour expertise will also be crucial in managing the lifecycle of RPA source code, including version control and the utilization of internal libraries and code management software, all while upholding stringent security protocols. Familiarity with best practices in code management and version control systems will be advantageous, as these tools are integral to maintaining the integrity and security of the automation solutions you will be working on.
Senior Web Application Developer Cayuse HoldingsSenior Web Application DeveloperWashington, Washington, DCThis role involves recommending software upgrades for current and future systems, translating User Interface (UI)/User Experience (UX) design wireframes, ensuring software continues to function normally through software maintenance and testing, and documenting every aspect of the application, service, or environment as a reference for future maintenance and upgrades. Overview: The Web Application Developer is responsible for designing, testing, and developing well-designed web-based software code that is testable and efficient, using best software development practices to meet user needs.
NewSenior RPA Uipath Developer Node.DigitalSenior RPA Uipath DeveloperHerndon, VAOur~MISSION FIRST~approach is designed to keep our customers fully engaged while becoming their trusted partnerWe believe in~SIMPLIFYING~complex problems with a relentless focus on agile delivery excellenceOur mantra is “~Simple * Secure * Speed~” in the delivery of innovative services and solutions. Your expertise will also be crucial in managing the lifecycle of RPA source code, including version control and the utilization of internal libraries and code management software, all while upholding stringent security protocols.
Software Engineer - Developer 3 The Structures Company, LLCSoftware Engineer - Developer 3Chantilly, VAAs trusted partners to leading aerospace and defense OEMs and Tier 1 suppliers, we connect professionals with career opportunities to grow and excel in aviation, aerospace, and defense. Bachelors degree in an engineering discipline (e.g., Computer Science, Software Engineering, Computer Engineering).
NewSenior Full Stack Developer SparksoftSenior Full Stack DeveloperMarylandSupports users by developing documentation and document software procedures and develop software reports, plans, and products, such as software development plans, software requirements specifications, software design documents, software development files, source code, version description documents, and test plans. Experience designing solutions using AWS services such as: EC2, EKS, ECS, EBS, Glacier, S3, ELB, CloudFormation, Lambda, Secrets Manager, CloudWatch, VPC, RDS, Direct Connect, AWS CLI, Service Catalog, DynamoDB, and REST APIs.
Data Application Developer, Senior LCGData Application Developer, SeniorRockville, MarylandThis individual will work closely with federal project managers, business stakeholders, architects, QA teams, and cross-functional development teams to deliver secure, scalable, accessible, and compliant applications that improve the collection, processing, and dissemination of management, administrative, and programmatic information. Salary at LCG is determined by various factors, including but not limited to role, location, the combination of education/training, knowledge, skills, competencies, certifications, and work experience.
Senior Full-Stack Developer ApTaskSenior Full-Stack DeveloperFairfax, VARemote$70–$75 / hourCollaborate with user experience designers, platform engineers, product owners, solution architects, business analysts, and full-stack development teams to design, build, test, and deploy high-value, operationally resilient software products on AWS that meet functional and non-functional requirements. Job Description: At Guidehouse Digital Solutions, our solution architects and engineers help clients outwit complexity by delivering mission-focused, secure, interoperable, and scalable technology modernization and cloud solutions.
Applications Developer - II Base One TechnologyApplications Developer - IIArlington, VA$90,000–$110,000 / yearContractorSupporting a U.S. Government customer to provide support for onsite incident response to civilian Government agencies and critical asset owners who experience cyber-attacks, providing immediate investigation and resolution. Contract personnel perform investigations to characterize the severity of breaches, develop mitigation plans, and assist with the restoration of services.
UI/UX Developer NuAxis InnovationsUI/UX DeveloperWashington DC, DCDesign for bilingual English/Spanish content, complex public forms, real-time validation, clear error recovery, and low-literacy/limited-English-proficiency users. • Validate designs across current and previous major browsers, desktop/tablet/mobile form factors, keyboard-only interaction, screen readers, and responsive breakpoints.
Software Developers GuidehouseSoftware DevelopersTysons Corner, VirginiaWorking with architects, data engineers, security, DevSecOps, product teams, and vendors, the developer incrementally refactors or replaces legacy functionality, responsibly integrates AI into business workflows, preserves essential business rules, reduces point-to-point dependencies, and delivers secure, maintainable AWS-based solutions. Experience using generative AI and AI-assisted development tools to accelerate the software development lifecycle, including requirements analysis, solution design, code generation and modernization, automated testing, documentation, code review, troubleshooting, and release readiness, while applying appropriate security, privacy, governance, and human-review controls.
NewFoundry Developer CACIFoundry DeveloperAshburn, VirginiaExperience developing and maintaining applications using Microsoft Power Platform suite (Model-driven and Canvas App, Power BI, Power Automate, Power Pages/Portals, Portal Management MDA, Power Apps Pipeline) in an Azure environment. Pay Range : There are a host of factors that can influence final salary including, but not limited to, geographic location, Federal Government contract labor categories and contract wage rates, relevant prior work experience, specific skills and competencies, education, and certifications.
NewData Engineering Software Developer Leidos Holdings IncData Engineering Software DeveloperWashington, DC$107,900–$195,050 / yearImplements solutions using Confluent Kafka, Elastic Stack, AWS, and Red Hat OpenShift (Kubernetes), including creating Kafka, Elastic, and Logstash pipelines and supporting Kibana visualizations and dashboards with React, JavaScript, and HTML. Experience with big data technologies and platforms such as Kafka, Spark, NiFi, Hadoop, Elasticsearch, Logstash, Databricks, and ELK Stack for text mining, summarization, search, and entity extraction.
Senior Angular Developer NuAxis InnovationsSenior Angular DeveloperWashington DC, DCThis role designs complex application features and reusable components, leads front-end engineering practices, integrates with REST services, drives accessibility and automated unit testing, and mentors mid-level and junior developers. · Deep experience with Angular component architecture, RxJS, reactive forms, routing, services/dependency injection, state management, and application performance.