Senior Application Developer/Software Engineer TekSynapSenior Application Developer/Software EngineerFairfax, Virginia$95,000–$155,000 / yearFull timeASP.NET, C#, Python, Java, C/C++, CSS/JavaScript, SQL & SQL reporting, SQL Server, Visual Studio, GIT, CI/CS/CD, Artificial Intelligence (AI)/Machine Learning (ML), SharePoint, MS Power Platform, Microsoft Internet Information Server (IIS), MarkLogic, ORACLE, Oracle APEX . Perform complex programming and analysis for web and mobile applications and ETL processing; define requirements; write program specifications; design, code, test and debug programming assignments, document programs.
Application Developer/Software Engineer TekSynapApplication Developer/Software EngineerFairfax, VirginiaFull timeASP.NET, C#, Python, Java, C/C++, CSS/JavaScript, SQL & SQL reporting, SQL Server, Visual Studio, GIT, CI/CS/CD, Artificial Intelligence (AI)/Machine Learning (ML), SharePoint, MS Power Platform, Microsoft Internet Information Server (IIS), MarkLogic, ORACLE, Oracle APEX . Perform complex programming and analysis for web and mobile applications and ETL processing; define requirements; write program specifications; design, code, test and debug programming assignments, document programs.
NewActionet, Inc. Careers - Software Engineer - Mid-Level & Senior-Level (2 Openings) ActioNet, Inc.Actionet, Inc. Careers - Software Engineer - Mid-Level & Senior-Level (2 Openings)Vienna, VAActioNet is a CMMI-DEV Level 4, CMMI-SVC Level 4, ISO 20000, ISO 27001, ISO 9001, HDI-certified, woman-owned IT Solutions Provider with strong qualifications and expertise in Agile Software Engineering, Cloud Solutions, Cyber Security and IT Managed Services. Extensive experience with software lifecycle management, including automated testing, documentation, code versioning, change management, release management, quality assurance, testing, and configuration management.
Software Engineer (Ai-Assisted Developer Tooling) Visionist, Inc.Software Engineer (Ai-Assisted Developer Tooling)Laurel, MD$170,000–$240,000 / yearWe embed small engineering teams with analysts to rapidly identify and solve mission capability gaps playing a critical role in defending our nation's cyber infrastructure & providing expertise in malware analysis, attribution, mapping adversarial infrastructure, pen testing, and operational planning. This premier program encompasses traditional software services including Systems Design and Engineering, Database Administration, Data Science and Knowledge Management, Enterprise Risk Management, Integration and Test, as well as Operations and Systems Support.
NewSenior Scientific Software Engineer – AWS/Python Executive RecruitingSenior Scientific Software Engineer – AWS/PythonGreenbelt, MDSelect Source Solutions is seeking an experienced Senior Scientific Software Engineer – AWS/Python to design, develop, and optimize cloud-based software solutions that support scientific data processing, large-scale data management, and application modernization. In this role, you will work closely with scientists, software engineers, cloud architects, and system administrators to build reliable, scalable solutions using Python, AWS, CI/CD, and modern cloud technologies.
Software Engineer ExcelitySoftware EngineerHerndon, VirginiaRequired Clearance: TS/SCI with CI Poly Required Skills: A Bachelor’s degree with 9 years of relevant experience OR a Master’s degree with 7 years of relevant experience; an additional 4 years of experience maybe considered in lieu of a degree requirement. The candidate will work with the engineering team and customer to ensure successful development of high profile, complex, technical deliverables that are core to the continued success of our award-winning projects.
Data & Software Engineer GrvtyData & Software EngineerMcLean, VirginiaSuccessful candidate will have advanced Python programming skills, familiarity with Java, an understanding of data security, privacy, governance and compliance principles and a demonstrated history of building production data pipelines and ETL workflows at scale. Pay Range: At GRVTY, we understand that compensation is influenced by many factors—such as geographic location, federal contract labor categories, wage rates, prior experience, skillsets, education, and certifications.
Software Engineer II Airlines Reporting CorporationSoftware Engineer IIArlington, VAWorkFlex is ARC's hybrid work program which offers eligible employees the flexibility to work from home while also requiring in office workdays throughout the year to foster collaboration and connection throughout the organization. Good communication skills (verbal and written) and ability to communicate with internal and external customers and all levels of management, including communicating technical information to non-technical audiences.
Software Engineer 2027 Graduates Appian CorpSoftware Engineer 2027 GraduatesMcLean, VA$115,000–$118,000 / yearGrowth Opportunities: Appian provides a diverse array of growth and development opportunities, including our leadership program tailored for new and aspiring managers, a comprehensive library of specialized department training through Appian University, skills based training, and tuition reimbursement for those aiming to advance their education. Where you land depends on your strengths and the team's needs - but in every case, you will join a small, highly skilled team equipped with cutting-edge AI tooling to design features of increasing sophistication and learn what it means to engineer software at a true Enterprise-Grade Orchestration scale.
Software Engineer Bridge Core (BCore)Software EngineerHerndon, Virginia$120,000–$140,000 / yearFull timeBcore accelerates decisive advantage for warfighters and intelligence professionals by fusing human insight, rapid-fire engineering, precision-measured outcomes, and relentless grit into mission-ready solutions. The ideal candidate will be responsible for developing and automating our customer’s in support of this customer’s mission, ensuring the smooth operation of all systems within the virtual environment (Nutanix, VMs,) to optimize performance, scalability and automation.
Sr Staff Software Engineer - (Platform Engineering/Java/Distributed Systems) - *Hybrid* Geico InsuranceSr Staff Software Engineer - (Platform Engineering/Java/Distributed Systems) - *Hybrid*Bethesda, MD$115,000–$260,000 / yearContribute directly to and leading by example in day-to-day engineering activities (writing feature code and automated tests, raising PRs and reviewing peers' PRs, developing and managing CI/CD pipelines, production support, among others). Provide thought leadership in GIA Platform, staying ahead of industry trends and emerging technologies to create effective strategy that minimizes business disruption while balancing the modernization of legacy platform components.
Sr. Software Engineer Geico InsuranceSr. Software EngineerBethesda, MD$105,000–$215,000 / yearKnowledge of developer tooling across the software development life cycle (task management, source code, building, deployment, test automation and related tools, operations, real-time communication). Good hands-on experience in building complex distributed system to process large scale telemetry and architectures to support the scale and performance, with great knowledge on Docker and Kubernetes.
Cloud Software Engineer Visionist, Inc.Cloud Software EngineerLaurel, MD$115,000–$155,000 / yearWe embed small engineering teams with analysts to rapidly identify and solve mission capability gaps playing a critical role in defending our nation's cyber infrastructure & providing expertise in malware analysis, attribution, mapping adversarial infrastructure, pen testing, and operational planning. Experience with Java, Kotlin, Typescript, React or Redux, Protobuf, Websockets, WebGL, low-level data, and efficient memory mgmt.
Software Engineer (AI Assisted Reverse Engineering Tooling) Bigbear.aiSoftware Engineer (AI Assisted Reverse Engineering Tooling)Columbia, MarylandFull timeThis role involves enabling automation and AI-assisted capabilities for reverse engineering tasks, with a focus on binary analysis, disassembly, and workflow optimization for complex software and device platforms. Overview: BigBear.ai is seeking a Software Engineer to focus on improving the tools and workflows used by reverse engineers.
Full Stack Software Engineer (Aws Certification Required) Visionist, Inc.Full Stack Software Engineer (Aws Certification Required)Laurel, MD$135,000–$206,000 / yearWe embed small engineering teams with analysts to rapidly identify and solve mission capability gaps playing a critical role in defending our nation's cyber infrastructure & providing expertise in malware analysis, attribution, mapping adversarial infrastructure, pen testing, and operational planning. The analytics developed and deployed in these ecosystems are critical to ensuring that the data flowing through the agency can be leveraged by analysts to perform mission critical reporting and decision making.
Software Engineer (DevOps Focused) Visionist IncSoftware Engineer (DevOps Focused)Columbia, MD$115,000–$155,000 / yearWe embed small engineering teams with analysts to rapidly identify and solve mission capability gaps playing a critical role in defending our nation's cyber infrastructure & providing expertise in malware analysis, attribution, mapping adversarial infrastructure, pen testing, and operational planning. The analytics developed and deployed in these ecosystems are critical to ensuring that the data flowing through the agency can be leveraged by analysts to perform mission critical reporting and decision making.
Software Engineer (Secret Clearance) NANA Regional Corporation IncSoftware Engineer (Secret Clearance)Alexandria, VA$116,000–$119,500 / yearFor our government customers, Suvi delivers subject matter experts, an agile management approach, and innovative technologies that accomplish customers' missions safely, securely, and efficiently. At Suvi, the work you do every day makes a difference in the lives of our 15,000 Iñupiat shareholders, a group of Alaska natives from one of the most remote and harshest environments in the United States.
Principal Software Engineer CarfaxPrincipal Software EngineerCentreville, VirginiaThe expert in vehicle history since 1984, CARFAX provides exclusive services like CARFAX Used Car Listings, CARFAX Car Care, CARFAX History-Based Value and the flagship CARFAX® Vehicle History Report to consumers and the automotive industry. CARFAX , part of S&P Global Mobility, helps millions of people every day confidently shop, buy, service and sell used cars with innovative solutions powered by CARFAX vehicle history information.
Senior Software Engineer GrvtySenior Software EngineerLaurel, Maryland$150,000–$200,000 / yearPay Range: At GRVTY, we understand that compensation is influenced by many factors—such as geographic location, federal contract labor categories, wage rates, prior experience, skillsets, education, and certifications. Bachelor’s degree in Computer Science or related discipline from an accredited college or university is required; 4 years of additional SWE experience may be substituted for a degree.
Full Stack Software Developer Omniscius ConsultingFull Stack Software DeveloperLaurel, MDFull timeThis role offers the opportunity to develop, enhance, and sustain enterprise applications that support critical business operations while working with modern development tools, cloud technologies, and Agile methodologies. The ideal candidate is a well-rounded software engineer who enjoys solving complex technical challenges, developing scalable applications, and supporting production systems in a fast-paced environment.
Mid-Level Software Developer Omniscius ConsultingMid-Level Software DeveloperLaurel, MDFull timeThe ideal candidate is a motivated software developer who enjoys solving technical challenges, supporting production applications, and continuously learning new technologies in a fast-paced mission environment. We are seeking a Mid-Level Software Developer to join a collaborative engineering team supporting mission-critical Human Resources applications for a national security customer.
Senior Software Engineer Cohere Technology Group LLCSenior Software EngineerChantilly, VAThis is an opportunity to join a close-knit team of engineers who are passionate about learning from each other and developing next-generation capabilities supporting our stakeholders’ operations. Cohere was founded in 2015 by seasoned intelligence community engineers to unify and streamline both cyber and kinetic workflows for the Intelligence Community and the Department of Defense.
Staff Software Engineer - NOS The Nuclear CompanyStaff Software Engineer - NOSWashingtonWe expect every team member to continuously identify opportunities to automate workflows, enhance decision-making, improve processes, and contribute to the ongoing evolution of NOS as a strategic operating capability that enables The Nuclear Company to scale with excellence. The actual salary offered may vary based on relevant factors as determined in the Company’s discretion, which may include experience, qualifications, tenure, skill set, availability of qualified candidates, geographic location, certifications held, and other criteria deemed pertinent to the particular role.
Java Software Engineer Space Domain Peraton IncJava Software Engineer Space DomainHerndon, VA$104,000–$166,000 / yearBenefits: Peraton offers enhanced benefits to employees working on this critical National Security program, which include heavily subsidized employee benefits coverage for you and your dependents, 25 days of PTO accrued annually up to a generous PTO cap and eligible to participate in an attractive bonus plan. The EMMETT program, a next gen Space Domain Awareness (SDA) Indications and Warning (I&W) system, establishes a repository of resident space objects (RSOs), finds RSOs of interest, and provides data to ground operators.
US Military Skillbridge Internship (Software Engineer)_Arlington, VA Black CapeUS Military Skillbridge Internship (Software Engineer)_Arlington, VAArlington, VARemoteTechnical degrees are preferred (e.g., Computer Science, Electrical Engineering, Mechanical Engineering, Mathematics, Physics, Computer Information Systems, etc.).We know this is a Skillbridge internship program that bridges the gap from your military training to practical application in the civilian technical world, but we have found that candidates with three to six months (or more) of technical experience usually thrive best in our program. This company model combines lessons learned from developing and deploying multiple applications to production on JWICS and Amazon Web Services (AWS) with commercial best practices in DevOps and Agile development.
Software Engineer in Deployment - JobID-0241 Innovative Defense TechnologiesSoftware Engineer in Deployment - JobID-0241Arlington, Virginia$135,000–$273,000 / yearWho You Are (Required): Bachelor’s Degree in Information Technology, Computer Science, Computer Engineering, Electrical Engineering, Systems Engineering, Physics, or Math, or equivalent full-time professional experience; Master’s Degree in Engineering or other technical field highly desired. Manage, mentor, and lead a small team of engineers working operational and development tasks while championing the use of AI to streamline the team’s workflow, incorporating AI-driven approaches to optimize automation and reduce the complexity of installations.
Software Engineer (Java, MASH, Linux) CymertekSoftware Engineer (Java, MASH, Linux)Reston, VirginiaComputer Science, Software Engineering, Information Technology, Computer Engineering, Systems Engineering, Applied Mathematics, Data Science, Information Systems, Network Engineering, Cybersecurity, etc. Software Engineer, Java Developer, Linux Developer, Middleware Engineer, Systems Engineer, Backend Developer, Full Stack Developer, Application Developer, Java Software Engineer, MASH Developer, etc.
Expert Software Engineer 671 Freedom Technology Solutions GroupExpert Software Engineer 671Herndon, VirginiaLinux (Bash) shell scripting automated testing for front end applications (i.e. Jasmine, Selenium, Cypress) web-based platforms to perform searches or analytics on large data sets orability to design, develop, test and implement new applications based on project requirements. The ideal candidate will help promote state-of-the-art IT solutions, collaborating with IT mission partners to share technology and lessons learned and ensure records management processes and requirements are included in the early design stages of IT solutions across the Intelligence Community.
Software Engineer(Front End/React), Senior Advisor TS/SCI w/poly Peraton IncSoftware Engineer(Front End/React), Senior Advisor TS/SCI w/polyLaurel, MD$146,000–$234,000 / yearThis critical National Security role is eligible for Peraton's premier benefits package, designed to recognize and support the professionals safeguarding our nation: Heavily subsidized health and wellness coverage for you and your dependents. As the world's leading mission capability integrator and transformative enterprise IT provider, we deliver trusted, highly differentiated solutions and technologies to protect our nation and allies.
DevOps Software Engineer - TS/SCI VMD CorpDevOps Software Engineer - TS/SCIBethesda, MDDevOps Software Engineer - TS/SCI Xcelerate Solutions is looking for our next TS/SCI‑cleared DevOps Software Engineer to join a high‑energy team building and deploying a cutting‑edge technology stack in support of the DIA‑NMEC (National Media Exploitation Center) DOMEX Technology Platform (DTP). This strong commitment to our employees has been recognized by our inclusion on the Washington Business Journal’s “50 Best Places to Work” list as well as being a “Great Place to Work” certified company with a 4.6 star, and a 99% CEO approval Glassdoor rating.
Software Engineer State AffairsSoftware EngineerWashington, DC$120,000–$210,000 / yearSoftware Engineers own user‑facing features end‑to‑end: slick React/Next JS interfaces, performant Node APIs, and Postgres‑centric data models that keep up with petabyte‑scale content. One sprint you'll prototype a semantic‑search UI backed by vector embeddings; the next you'll build a real‑time collaboration layer that lets policy analysts co‑author annotations and compare version histories without ever refreshing the page.
Senior Software Engineer, Autonomous Pilot Integration - Expeditionary (R5208) Shield AI IncSenior Software Engineer, Autonomous Pilot Integration - Expeditionary (R5208)Washington, DC$163,200–$244,800 / yearIn this role, you'll develop new autonomy capabilities - including mission behaviors, platform-specific control (including VTOL transitions), multi-agent coordination, contingencies, and executive autonomy - and own major features from software-in-the-loop, to hardware-in-the-loop, to vehicle-in-the-loop, to live flight test. We combine capabilities from the Autonomy Capabilities team (motion planning, tactics), the Perception team (e.g., ViDAR, ATR), and the HivemindSDK to develop the autonomy software that runs on these platforms, then integrate, validate, and field it on the real hardware - for U.S. and international defense customers.
Senior Software Engineer / Reverse Engineer GliaCell TechnologiesSenior Software Engineer / Reverse EngineerLaurel, MDFull timeWe also provide customer solutions in the areas of CND, CNE, and CNO by providing our customers with assessments and solutions in Threat Mitigation, Vulnerability Exposure, Penetration Testing, Threat Hunting, and Preventing Advanced Persistent Threat. GliaCell’s Enterprise capabilities include Full-Stack Application Development, Big Data, Cloud Technologies, Analytics, Machine Learning, AI, and DevOps Containerization.
Model-Based Systems Engineer LeidosModel-Based Systems EngineerRockville, MD$69,550–$125,725Bachelor’s degree in engineering or related field with 2+ years of prior relevant experience or a master’s degree with at least a year experience in one of these areas: systems engineering, software engineering, test engineering or related field. March 30, 2026For 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.
Senior Model Based Systems Engineer LeidosSenior Model Based Systems EngineerAlexandria, VA$107,900–$195,050Bachelor’s degree in engineering or related field with 8+ years of prior relevant experience or a master’s degree with 6+ years of experience in one of these areas: systems engineering, software engineering, test engineering or related field. Your role will directly support our diverse portfolio of programs through a combination of requirements and design architecture analysis; MBSE Model development; mentoring junior engineers and assisting technical leadership develop briefing material.
Principal Software Engineer CVS Health CorpPrincipal Software EngineerDC$144,200–$288,400 / yearOperating as both a senior individual contributor and technical leader, you will partner closely with product, architecture, and engineering leadership to make pragmatic, high‑impact design decisions that balance speed, quality, and long‑term maintainability. Partner with teams and serve as subject matter expert to provide benchmarked solutions to multiple, complex technical projects/initiatives within own area of expertise and organize cross-departmental application architectural solutions.
Sr. Software Engineer - Ad Tech & Distributed Systems - FreeWheel Comcast CorpSr. Software Engineer - Ad Tech & Distributed Systems - FreeWheelReston, VAThe Software Engineer will develop deep expertise in the business domain, system architecture, and application workflows to effectively troubleshoot issues, resolve complex break/fix scenarios, and proactively improve system reliability. The Sr Software Engineer - Ad Tech & Distributed Systems is responsible for the availability, latency, performance, efficiency, change management, monitoring, emergency response, and capacity planning for FreeWheel platforms, with a primary focus on the Streaming Hub application.
Senior Software Engineer, Public Sector Scale AI IncSenior Software Engineer, Public SectorWashington, DC$216,000–$311,000 / yearThe range displayed on each job posting reflects the minimum and maximum target for new hire salaries for the position and may be inclusive of several career levels at Scale; it will be determined during the interview process based on work location and additional factors, including job-related skills, experience, qualifications, interview performance, and relevant education or training. The Public Sector software engineers (SWEs) create the core product building blocks forward-deployed teams use to develop agentic capabilities that function across multiple domains.
Software Engineer - Front End Angular - TS/SCI Maania Consultancy ServicesSoftware Engineer - Front End Angular - TS/SCIHerndon, VAFull timeExperience consuming APIs (REST and/or GraphQL), handling auth/session patterns, and error states. Strong, hands-on expertise with Angular (components, modules, routing, forms, RxJS).
Frontend Software Engineer Maania Consultancy ServicesFrontend Software EngineerLaurel, MDRemoteFull timeReact, TypeScript, Cesium, Flask, FastAPI, GitLab, OpenShift, secure SDLC, and testing experience. If you're interested please share your update resume along with your yearly expected salary.
Principal Software Engineer Recorded FuturePrincipal Software EngineerWashington, DC$152,000–$228,500 / yearAs a Principal Software Engineer, you will work across application code and infrastructure to collect, transform, and deliver structured threat data: tracking malware infrastructure, phishing campaigns, spam networks, command-and-control systems, and more. What You'll Do: Data Pipeline Ownership: Design, build, and maintain scalable data pipelines that collect, transform, and deliver structured threat intelligence data powering the Security Intelligence Graph.
Sr. Data Science Software Engineer Staffed4USr. Data Science Software EngineerLaurel, MarylandResponsibilities include developing new methods for automating compliance functions, improving existing processes, and investigating, integrating, and testing compliance modernization Machine Learning/AI algorithms and proof-of-concepts in a research and development environment. The company offers an outstanding benefits package, values work-life balance, and provides opportunities to work on cutting-edge technologies supporting critical national security missions.
Senior Software Engineer (Agentic AI Platform) Staffed4USenior Software Engineer (Agentic AI Platform)Columbia, MarylandThe candidate will work closely with technical stakeholders and analysts to translate operational requirements into AI-enabled capabilities that improve automation, data processing, and system interoperability in complex environments. The selected candidate will serve as a Senior Software Engineer supporting the design, development, and sustainment of an advanced agent-based platform for intelligent and autonomous workflows.
Jr. Software Developer VTG.Jr. Software DeveloperChantilly, VAExperience creating applications with Java, Springboot, and Amazon Web Services for backend components, focusing on low-latency, high-throughput distributed systems As new systems are built, additional programming languages may be used. VTG is seeking a Software Engineer for a 200+ FTE technical development program supporting the Sponsor's Entitlement Programs as well as IdAM /ICAM, Authentication, Authorization, Attributes and Digital Policy Management.
iOS Vulnerability Engineer (Software) CymertekiOS Vulnerability Engineer (Software)Reston, VirginiaiOS Vulnerability Engineer (Software), Mobile Security Engineer, Application Security Engineer, iOS Security Researcher, Software Security Analyst, Mobile App Penetration Tester, Cybersecurity Engineer, iOS Exploit Developer, Vulnerability Analyst, Secure Software Engineer, etc. Computer Science, Cybersecurity, Software Engineering, Information Technology, Computer Engineering, Information Assurance, Mobile Application Development, Data Science, Network Security, Systems Engineering, etc.
Software Engineer - Full-Stack Developer AeroVironment IncSoftware Engineer - Full-Stack DeveloperHerndon, VA$83,500–$208,000 / yearExperience in a broad range of technical knowledge, including software, systems engineering, systems architecture, networking, functional analysis, systems analysis, usability engineering, and testing in an agile environment. Agencies of the U.S. Department of Defense and allied military services use the company's hand-launched UAS to provide situational awareness to tactical operating units through real-time, airborne reconnaissance, surveillance, and target acquisition.
NewDirector, Software Engineer (Global Payment Network) Capital OneDirector, Software Engineer (Global Payment Network)McLean, VirginiaDirector, Software Engineer (Global Payment Network) s a Capital One Director of Software Engineering, you'll work on everything from customer-facing web and mobile applications using cutting-edge open source frameworks, to highly-available RESTful microservices, to back-end Java based systems and machine learning models using the hottest techniques in Big Data. The Global Payment Network (GPN) Technology organization designs, builds, and operates the mission-critical systems and infrastructure that seamlessly power complex money movement across domestic and international rails.
Junior Software Engineer (Afc Device Sw), Bilingual Korean Cesna RecruitmentJunior Software Engineer (Afc Device Sw), Bilingual KoreanVienna, VAThis role is also responsible for deploying and configuring updated software, as well as conducting both on-site and remote testing and troubleshooting by analyzing the system logs and data to diagnose and resolve the issues efficiently. A junior software engineer is responsible for designing, developing, and testing the software for the Automatic Fare Collection (AFC) devices.
Enterprise Architect/Systems Engineer LeidosEnterprise Architect/Systems EngineerBethesda, MD$131,300–$237,350Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management. If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at LeidosCareersFraud@leidos.com.
Mid-Level CNO Software Engineer ZetierMid-Level CNO Software EngineerArlington, VACandidates will demonstrate practical experience designing, developing, and deploying tools intersecting command and control, persistence, and networking. Zetier is seeking Mid-Level CNO Software Engineers to develop operationally critical cyber capabilities.