Sr. Software Engineer JobotSr. Software EngineerGaithersburg, MD$140,000–$165,000 / yearWith deep expertise in cloud-first architectures, automation, DevSecOps, virtualization, reliability engineering, and large-scale systems integration, we help organizations modernize infrastructure, improve operational efficiency, and support mission-critical environments where performance, security, and resiliency are essential. Our teams partner closely with customers to deliver innovative solutions across cloud strategy, cybersecurity, systems integration, data engineering, machine learning, AI, disaster recovery, and enterprise infrastructure initiatives.
Senior Software Engineer (C++ / Java) JobotSenior Software Engineer (C++ / Java)MONTGOMRY VLG, MD$165,000–$185,000 / yearWith deep expertise in cloud-first architectures, automation, DevSecOps, virtualization, reliability engineering, and large-scale systems integration, we help organizations modernize infrastructure, improve operational efficiency, and support mission-critical environments where performance, security, and resiliency are essential. This role is ideal for a seasoned engineer who enjoys solving complex technical challenges, contributing to system architecture, and partnering closely with Systems Engineering, Development, and Test teams to deliver robust, scalable solutions.
Software Development Engineer JobotSoftware Development EngineerCape Saint Claire, MD$65–$80 / hourDevelopers at this level are building greater independence, taking ownership of small to medium-sized work items, and strengthening their core engineering skills across multiple application layers, including user interfaces, services, APIs, and data. Our teams include professionals across software engineering, product development, clinical informatics, research, and healthcare technology who share a commitment to reducing complexity and improving outcomes for patients and providers.
Software Engineer (TS/SCI & full scope Polygraph) JobotSoftware Engineer (TS/SCI & full scope Polygraph)Annapolis Junction, MD$80,000–$220,000 / yearInformation collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. By applying for this job, you agree to receive calls, AI-generated calls, text messages, or emails from Jobot, and/or its agents and contracted partners.
Senior Software Developer LeidosSenior Software DeveloperGaithersburg, MD$107,900–$195,050If 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 . June 8, 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.
NewPrincipal Software Engineer (SWE-4) LeidosPrincipal Software Engineer (SWE-4)Annapolis Junction, 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. Seeking an experienced and talented software developer to join an existing team that develops and manages software products and tools integral to discovering new mobile data related to the mission.
Software Engineer Lead System OneSoftware Engineer Lead99999, MarylandStrong proficiency in z/OS (MVS) operations in a large-scale environment with multiple Sysplex systems (including IPL procedures). • Current working knowledge of subsystems: JES2, SDSF, RACF, TSO, TCP/IP, Control-M, CICS, DB2 .
NewLead Software Engineer OneMain FinancialLead Software EngineerBaltimore, MD$96,000–$115,200 / yearThe ideal candidate will have in-depth experience with Workforce Management (WFM), Customer Relationship Management (CRM) systems, call recording solutions, dialers, reporting tools, API integrations, and a strong hands-on working knowledge of NiceCX systems. Data modeling experience to design, develop, and maintain GraphQL APIs and Data Solutions using RDBMS like Aurora, Postgres, and in-memory data stores like Amazon Memory DB and Redis, ensuring optimal performance, data integrity, availability and scalability.
NewAppian Software Developer/Integrator LeidosAppian Software Developer/IntegratorBethesda, MD$107,900–$195,050We integrate off the shelf and new development efforts to sustain and enhance existing architecture and by leveraging cloud-based computing, artificial intelligence (Al), machine learning (ML) and cross-domain transfer systems to provide cutting edge requirements management, task coordination, data exploitation, enrichment, triage, and analytics capabilities to Defense and Intelligence Community members. Leidos is designing, developing, deploying, and operating a DoD-wide Tasking, Collection, Processing, Exploitation, and Dissemination (TCPED) workflow management platform for Open Source Intelligence (OSINT).
Software Developer LeidosSoftware DeveloperGaithersburg, MD$69,550–$125,725If 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 . June 11, 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.
Software Engineer with TS-SCI with Poly System OneSoftware Engineer with TS-SCI with PolyFort Meade, MD$97,000–$224,000 / yearBachelor’s degree in Computer Science or related discipline from an accredited college or university OR four (4) years of additional SWE experience on projects with similar software processes in lieu of degree. Design, develop and modify software systems, using scientific analysis and mathematical models to predict and measure outcome and consequences of design.
NewStaff Software Engineer (React, TypeScript, Rails, Node) OneMain FinancialStaff Software Engineer (React, TypeScript, Rails, Node)Baltimore, MD$110,000–$132,000 / yearIn this role, you will work closely with Product, UX, Engineering Managers, and other senior engineers to shape platform architecture, guide technical direction, and deliver scalable, high-quality software that improves the financial wellness of our customers. See OneMain Financial Privacy Policy at https://www.onemainfinancial.com/legal and SonicJobs Privacy Policy at https://www.sonicjobs.com/us/privacy-policy and Terms of Use at https://www.sonicjobs.com/us/terms-conditions.
NewSoftware Engineering Manager - (Rails, Node, Angular, JavaScript) OneMain FinancialSoftware Engineering Manager - (Rails, Node, Angular, JavaScript)Baltimore, MD$110,000–$132,000 / yearIn this role, you will lead the team responsible for our shared application platform and its operational excellence—ensuring deployments run smoothly, environments remain stable, and cross-functional engineering teams are empowered to deliver with consistency and confidence. 8–10+ years of experience in software engineering, 3 or more years of progressive responsibility as an engineer on development teams directly responsible for building and delivering software-intensive systems.
NewVP/D Engineer - Software Regulatory & Compliance OneMain FinancialVP/D Engineer - Software Regulatory & ComplianceBaltimore, MD$80,000–$96,000 / yearThe leader will be responsible to collaborate with business, operations, product, and technology partners to deliver the engineering, systems integration and process improvement needs for all aspects of the Regulatory & Compliance support systems, inclusive of the day-to-day running of the engineering teams. Excellent verbal and written communication skills required for composing and delivering technical presentations or other forms of documentation to various level of technical and non-technical management.
Software Developer (CNO) System OneSoftware Developer (CNO)Fort Meade, MD$140,000 / hourSystem One, and its subsidiaries including Joulé, and Mountain Ltd., are leaders in delivering outsourced services and workforce solutions across North America. Lead the designing, developing, documenting, testing, debugging, and maintenance of hardware or software based CNO capabilities.
NewSoftware Reverse Engineer LeidosSoftware Reverse EngineerColumbia, MD$107,900–$195,050March 17, 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. 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 .
Software Developer Associate General Dynamics Information TechnologySoftware Developer AssociateAnnapolis Junction, MD$66,602–$80,500 / yearA global technology and professional services company that delivers consulting, technology and mission services to every major agency across the U.S. government, defense and intelligence community. We operate across 30 countries worldwide, offering leading capabilities in digital modernization, AI/ML, Cloud, Cyber and application development.
NewAI Software Engineer Lead LeidosAI Software Engineer LeadGaithersburg, MD$107,900–$195,050If 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 . Requires BS degree (Computer Science, Engineering or related field) and 10+ year’s of prior relevant experience OR, MS with 7+ year’s of prior relevant experience; OR 7 years of additional experience in lieu of degree.
NewPrincipal Software Architect LeidosPrincipal Software ArchitectGaithersburg, MD$131,300–$237,350As a member of a large-scale, Scaled Agile software development organization, you will play a central role in shaping next-generation air traffic automation capabilities by bridging mission needs, systems engineering rigor, and Agile software delivery. Leidos is seeking a Principal Software Architect to join the Air Traffic Business Area within the Homeland Sector , supporting the development of the Leidos Common Automation Platform (L-CAP) and Common Baseline.
Junior NextGen Developer DCS CorporationJunior NextGen DeveloperCalifornia Maryland, MDRemote$73,160–$120,000 / yearDCS is seeking an experienced Junior Developer to join its teams developing exciting and modern Air Force and Navy next-generation mission planning software on an Agile/SAFe team. Contribute to software development as part of a team contributing to a multi-team, multi-organization enterprise using Scaled Agile Framework (SAFe).
Lead Security Engineer with TS/SCI Poly LeidosLead Security Engineer with TS/SCI PolyAnnapolis Junction, MD$154,050–$278,475The selected individual will lead all security engineering efforts for a large, complex network environment with geographically distributed systems; and will manage a team of Information Systems Security Officers (ISSOs) and Information Systems Security Engineers (ISSEs), providing technical leadership and direction to meet program requirements. At least twelve years of experience with defense-in-depth principals/technology (including access control, authorization, identification and authentication, public key infrastructure, network and enterprise security architecture) and applying risk assessment methodology to system development.
Staff Software Engineer InfovisionStaff Software EngineerMultiple LocationsFull timeDefining detailed roadmaps for migrating monolithic systems into target-state technology comprising distributed systems and microservice deployments, built on resilient and scalable cloud infrastructure. Demonstrating leadership through influence via participation in communities of practice, proof-of-concept implementations, and mentoring other team members in engineering best practices.
Senior Staff Software Engineer, Vulnerability Management GEICO GENERAL INSURANCE COMPANYSenior Staff Software Engineer, Vulnerability ManagementBethesda, MD$100,000–$260,000 / yearThe Staff Engineer brings in expertise in requirements identification, feasibility analysis, secure infrastructure designs, technology evaluation and selection, and implementation of scalable systems using CI/CD and DevSecOps to raise the bar on engineering excellence and security best practices. You have exposure to Cybersecurity and are well-versed with Vulnerability Management Lifecycle - asset discovery, internal/external scans, contextualization and risk-based assessment, triaging of CVEs, detection authoring, security data pipeline, reporting, and remediation.
Software Engineer with Data Management Experience CACISoftware Engineer with Data Management ExperienceLinthicum, MarylandPay 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. You will play a crucial role in developing cutting-edge capabilities that automate and streamline security processes, implement continuous monitoring and assessment, and enhance network data gathering across project lifecycles.
Software Engineer with Data Management Experience CACI International IncSoftware Engineer with Data Management ExperienceLaurel, MD$131,800–$290,000 / yearQualifications: • Required: Active TS/SCI clearance with Polygraph • 10+ years of experience as a Software Engineer on similar scope and complexity projects • Bachelors degree in Computer Science or related field (or 4 additional years of relevant SWE experience) • Strong background in analytics development • Proficiency in Pig and PySpark • Desired: Experience with patch management and IAVA tracking • Programming skills in Python, Java, or Scala • Familiarity with NiFi and Ansible • Experience working in Agile environments. Responsibilities: • Develop, maintain, and execute Pig and/or PySpark analytics • Review and approve data ingest tickets and merge requests • Ensure reliable and accurate data delivery to end users • Manage day-to-day operations and troubleshoot data accuracy issues • Contribute to the shift from manual to automated security evaluation processes.
Privileged Access Management Software Engineer (Annapolis Junction, MD) Shield Consulting SolutionsPrivileged Access Management Software Engineer (Annapolis Junction, MD)Annapolis Junction, MD$230,000–$240,000 / yearThe Software Engineer shall serve as the SME for all Delinea technologies running on Linux systems and shall collaborate closely with security, infrastructure, and DevOps teams. This role ensures secure credential management, privileged access controls, secrets management, and automation capabilities that align with mission security and compliance requirements.
Privileged Access Management Software Engineer Shield Consulting SolutionsPrivileged Access Management Software EngineerAnnapolis Junction, MD$230,000–$240,000 / yearThe Software Engineer shall serve as the SME for all Delinea technologies running on Linux systems and shall collaborate closely with security, infrastructure, and DevOps teams. This role ensures secure credential management, privileged access controls, secrets management, and automation capabilities that align with mission security and compliance requirements.
Principal Software Engineer (AI - Assisted Developer Tooling) GliaCell TechnologiesPrincipal Software Engineer (AI - Assisted Developer Tooling)Laurel, 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. The role emphasizes AI-assisted IDE capabilities, automated code quality workflows, and experimentation with agentic and autonomous systems to support software development tasks.
React Software Developer Omniscius ConsultingReact Software DeveloperLaurel, MarylandAs a React Software Developer, you will be responsible for maintaining, enhancing, and supporting production web applications that facilitate collaboration and business processes between the Department of Defense and industry partners. We are seeking a talented React Software Developer to support mission-critical enterprise applications used across acquisition, finance, human resources, logistics, security, program management, and other corporate services.
Embedded Software Developer StratAcuity Staffing Partners IncEmbedded Software DeveloperAberdeen Proving Ground, MD$60–$75 / hourIn terms of professional development, Everforth Apex hosts an on-demand training program, provides access to certification prep and a library of technical and leadership courses/books/seminars once you have 6+ months of tenure, and certification discounts and other perks to associations that include CompTIA and IIBA. As an Embedded Software Developer, you will support a team in engineering solutions for complex challenges by designing, developing, and testing embedded software for RF capabilities.
Software Engineer 3 (AI Assisted Developer Tooling) Bigbear.aiSoftware Engineer 3 (AI Assisted Developer Tooling)Columbia, MarylandFull timeThis role emphasizes AI-assisted IDE capabilities, automated code quality workflows, and experimentation with agentic and autonomous systems to support software development tasks. Overview: BigBear.ai is seeking a Software Engineer 3 to focus on improving the productivity and experience of software developers by building and integrating advanced development tooling.
Software Engineer 2 - Linux/Bash/Python/Java/Ansible/CI/CD/Docker/Kubernetes Captivation SoftwareSoftware Engineer 2 - Linux/Bash/Python/Java/Ansible/CI/CD/Docker/KubernetesAnnapolis Junction, MD$130,000–$270,000 / yearCaptivation Software is looking for a mid level software engineer who shall be responsible for designing, developing, and maintaining tools and services in support of the project's suite of products such as GitLab, Artifactory, MinIO, GitLab Runner, Jupyter and SPARTANDESK (Linux virtual desktop). The Software Engineer shall work closely with cross-functional teams including software developers, system administrators, project managers, and mission customers to deliver seamless integrations that enhance productivity and streamline workflows.
Mid-Level Software Engineer Belay TechnologiesMid-Level Software EngineerLaurel, MDFull timeAs soon as an employee enters a customer facility, they touch one of these applications which are critical to the daily functions of thousands of users across acquisition, business, finance, HR, training, recruitment, program management, security, logistics and more. Responsibilities: Serve as the primary React Software Developer responsible for maintaining and enhancing a production collaboration and business process application that supports information exchange between DoD and Industry Partners.
Junior Software Developer Nightwing Intelligence SolutionsJunior Software DeveloperAnnapolis Junction, MarylandOur capabilities include cyber space operations, cyber defense and resiliency, vulnerability research, ubiquitous technical surveillance, data intelligence, lifecycle mission enablement, and software modernization. Nightwing provides technically advanced full-spectrum cyber, data operations, systems integration and intelligence mission support services to meet our customers’ most demanding challenges.
Mid-Level Software Developer Omniscius ConsultingMid-Level Software DeveloperLaurel, MarylandThe 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.
Software Developer Intelliforce-IT Solutions GroupSoftware DeveloperAnnapolis Junction, MDFull timeOr bachelor’s degree in computer science or related discipline from an accredited college or university, plus five years of experience as a Software Engineer in programs and contracts of similar scope, type, and complexity. Master’s degree in computer science or related discipline from an accredited college or university, plus three years of experience as a Software Engineer in programs and contracts of similar scope, type, and complexity.
Software Engineer 2 GD Information TechnologySoftware Engineer 2Annapolis JunctionThe Software Engineer shall work closely with cross-functional teams including software developers, system administrators, project managers, and mission customers to deliver seamless integrations that enhance productivity and streamline workflows. To ensure our employees are able to protect their income, other offerings such as short and long-term disability benefits, life, accidental death and dismemberment, personal accident, critical illness and business travel and accident insurance are provided or available.
Full Stack Software Developer Omniscius ConsultingFull Stack Software DeveloperLaurel, MarylandThis 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.
Senior Software Engineer (SWE-4) Leidos Holdings IncSenior Software Engineer (SWE-4)MD$107,900–$195,050 / yearJob Responsibilities/Qualifications: Mission Focus: Work directly with Marine Corps Forces Cyberspace Command (MFCC), the Cyber Mission Force (CMF), as well as software engineers to solve the most demanding strategic problems; perform end-to-end software engineering to develop, integrate, test, and deploy tools and tradecraft into the customer's corporate architecture. The software engineer will work closely with engineers and end users to support in research and development of software products designed to exploit vulnerabilities of adversary technology, develop and optimize algorithms, author scripts and develop utility software.
Principal Software Engineer (SWE-V) Leidos Holdings IncPrincipal Software Engineer (SWE-V)MD$154,050–$278,475 / yearJob Responsibilities/Qualifications: Mission Focus: Work directly with Marine Corps Forces Cyberspace Command (MFCC), the Cyber Mission Force (CMF), as well as software engineers to solve the most demanding strategic problems; perform end-to-end software engineering to develop, integrate, test, and deploy tools and tradecraft into the customer's corporate architecture. The software engineer will work closely with engineers and end users to support in research and development of software products designed to exploit vulnerabilities of adversary technology, develop and optimize algorithms, author scripts and develop utility software.
Sr. Software Developer Leidos Holdings IncSr. Software DeveloperMD$154,050–$278,475 / yearYou will be responsible for analyzing and resolving highly complex software issues related to multiple aspects and components of the system; collaborate with other experts within the program and in the user community to design, develop, and debug existing software, and to design and develop enhancements that incorporate new capabilities into various components of the existing systems; provide technical leadership for software development activities as a member of an agile team and will actively participate in program increment planning and related team activities. Preferred Qualifications: Experience with the following: JEE, SQL, application servers (Tomcat, WebLogic, JBoss), scripting; experience with high level requirements management including requirements decomposition, secure systems engineering and development, trade-off analysis, interface control, and testing and continuous integration.
Senior Software Engineer Belay TechnologiesSenior Software EngineerLaurel, MarylandSeveral factors influence final salary including, but not limited to, geographic location, Federal Government contract labor categories and contract wage rates, relevant prior work experience, education, specific skills and competencies and certifications. We hire software engineers, web designers, test engineers, systems engineers, systems administrators, database engineers and other tech services.
Software Engineer (Hybrid) - Java/OOP/Linux/Git/Maven/REST Captivation SoftwareSoftware Engineer (Hybrid) - Java/OOP/Linux/Git/Maven/RESTColumbia, MD$130,000–$270,000 / yearSpring, Guava) and a Bachelors in related field; 3 years relevant experience with Masters in related field; or High School Diploma or equivalent and 9 years relevant experience. We believe in providing our employees with a great work-life balance, so you will have the flexibility to be working from home or from our office, depending on your preferences and needs.
Principal Full Stack Software Engineer (Partial Telework) GliaCell TechnologiesPrincipal Full Stack Software Engineer (Partial Telework)Annapolis Junction, MDFull timeCritical: Java threading, SpringBoot, JavaScript, JMS, MongoDB, AWS, Amazon RDS, REST, Docker, Kubernetes, ElasticSearch, Cockroach DB or other RDBMS at similar scale, COOP, Large scale distributed systems with high availability. We 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.
Full Stack Software Engineer (Partial Telework) GliaCell TechnologiesFull Stack Software Engineer (Partial Telework)Annapolis Junction, MDFull timeCritical: Java threading, SpringBoot, JavaScript, JMS, MongoDB, AWS, Amazon RDS, REST, Docker, Kubernetes, ElasticSearch, Cockroach DB or other RDBMS at similar scale, COOP, Large scale distributed systems with high availability. We 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.
Senior Software Engineer - CTJ - Poly Microsoft CorpSenior Software Engineer - CTJ - PolyMD$119,800–$234,700 / yearMasters Degree in Computer Science or related technical field AND 6+ years technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or Python OR Bachelors Degree in Computer Science or related technical field AND 8+ years technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or Python OR equivalent experience. Qualifications Required Qualifications: Bachelors Degree in Computer Science or related technical field AND 4+ years technical engineering experience with coding in languages including, but not limited to, C, C++, C#, Java, JavaScript, or Python OR equivalent experience.
NewCNO Tool Developer Software Engineer-TS/SCI with Poly CACICNO Tool Developer Software Engineer-TS/SCI with PolyFort Meade, MarylandPay 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. As a valued team member, you’ll be part of a high-performing group dedicated to our customer’s missions and driven by a higher purpose – to ensure the safety of our nation.
Senior CNO Software Developer REDLatticeSenior CNO Software DeveloperMaryland, MDIn lieu of a degree, 11+ years of directly related experience may be substituted• Bachelor's degree in Computer Science, Computer Engineering, Electrical Engineering, Cybersecurity, or a related technical discipline. With offices in Northern Virginia, Melbourne, Florida, Tel Aviv, Israel, and other strategic locations, REDLattice continues to grow while maintaining a culture focused on innovation, technical excellence, and mission impact.
CNO Software Developer REDLatticeCNO Software DeveloperMaryland, MDWith offices in Northern Virginia, Melbourne, Florida, Tel Aviv, Israel, and other strategic locations, REDLattice continues to grow while maintaining a culture focused on innovation, technical excellence, and mission impact. Our teams conduct cutting-edge vulnerability research, reverse engineering, exploit development, and cyber capability development to solve complex challenges across the evolving cyber landscape.