NewSoftware Developer ElectrosoftSoftware DeveloperWashington, DC$140,000–$150,000 / yearThe camaraderie we share emanates from Lunch & Learn sessions where we explore new ideas together, fun group activities ranging from escape rooms to miniature golf, and much, much more. What sets us apart from all other contractors is the sense of teamwork our employees feel – and the knowledge that outstanding effort is recognized and rewarded.
Software Developer The Building PeopleSoftware DeveloperWashington, DC, DCIdentify, assess, and remediate server and application vulnerabilities by implementing secure coding practices, conducting regular security audits, and applying timely patches and updates to ensure system integrity and compliance. Background in supporting Integrated Workplace Management System (IWMS) and Enterprise Asset Management (EAM) experience preferred, such as Archibus, TRIRIGA, Maximo, ServiceNow WSD.
Backend Software Engineer IT VeteransBackend Software EngineerWashingtonIT Veterans is seeking a highly skilled Backend Software Engineer to support the design, development, and maintenance of secure, scalable backend solutions for web applications operating in Department of Defense (DoD) environments at Impact Level 5 (IL5) and above. Develop and maintain RESTful APIs that enable seamless communication between frontend and backend systems while supporting multi-model integrations with Frontier AI platforms.
Senior AWS Cloud-Native Software Engineer – AI & DevOps BizTech FusionSenior AWS Cloud-Native Software Engineer – AI & DevOpsWashington DC, DCBizTech Fusion is seeking a highly experienced Senior AWS Cloud-Native Software Engineer – AI & DevOps to design, develop, and support complex cloud-native applications and services on AWS. The ideal candidate will have strong hands-on experience with AWS cloud-native development, modern software engineering, CI/CD, automated testing, secure coding, and AI-assisted development tools .
NewPower Platform Software Engineer ManTech International CorpPower Platform Software EngineerDC$105,900–$177,300 / yearThere are differentiating factors that can impact a final salary/hourly rate, including, but not limited to, Contract Wage Determination, relevant work experience, skills and competencies that align to the specified role, geographic location (For Remote Opportunities), education and certifications as well as Federal Government Contract Labor categories. MANTECH's benefits offerings include, dependent upon position, Health Insurance, Life Insurance, Paid Time Off, Holiday Pay, short-term and long-term Disability, Retirement and Savings, Learning and Development opportunities, wellness programs as well as other optional benefit elections.
NewSoftware Developer Electrosoft Services IncSoftware DeveloperWashington, DC$140,000–$150,000 / yearThe camaraderie we share emanates from Lunch & Learn sessions where we explore new ideas together, fun group activities ranging from escape rooms to miniature golf, and much, much more. What sets us apart from all other contractors is the sense of teamwork our employees feel - and the knowledge that outstanding effort is recognized and rewarded.
Software Engineer Z FEDERALSoftware EngineerWashington, DCZ FEDERAL is seeking a Software Engineer that has knowledge and experience with modern technology stacks and has led software modernization and maintenance projects. Founded in 1983 to provide IT and management consulting services to the Federal Government, we have established a proven track record of reliable performance in the Federal marketplace.
Senior Software Engineer I (Hybrid) Kaplan, Inc.Senior Software Engineer I (Hybrid)Washington, DCOur compensation philosophy is designed to be competitive within the market, reflecting the value we place on the skills, experience, and contributions of our employees, while taking into account labor market trends and total rewards. We are a global company at the intersection of education and technology, focused on collaboration, innovation, and creativity to deliver a best in class educational experience and make Kaplan a great place to work.
NewSoftware Developer - Active Top Secret required GD Information TechnologySoftware Developer - Active Top Secret requiredWashingtonTo 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. Education: Bachelor’s Degree in Computer Science, Engineering or a related technical discipline, or the equivalent combination of education, technical training, or work/military experience.
Senior Software Engineer Recorded FutureSenior Software EngineerWashington, DC$129,000–$193,500 / yearIn this Senior Software Engineer role, you will be a key individual contributor, driving the development of resilient, scalable software systems focused on leveraging Large Language Models (LLMs) and autonomous agents for data processing, analysis, and threat detection. You will be responsible for building sophisticated, production-grade applications that enrich our threat intelligence, and you will mentor junior engineers, fostering technical excellence and best practices.
Software Engineer Rhombus Power, Inc.Software EngineerWashington, DC$115,000–$155,000 / yearWork closely with front-end developers to design and develop functional, performing, and complete APIs or GraphQL, and work tirelessly to define initiatives to improve quality and/or productivity, such as implementing automated test tools or new development methodologies within the team. Additionally, you will engage closely with our product team to understand current user needs and anticipate future user needs, facilitating the seamless integration of user requirements into software solutions.
Quantum Software Engineer ANDURIL INDUSTRIESQuantum Software EngineerWashington, DC$132,000–$198,000 / yearYou will work closely with delivery leads, application developers, and other solutions architects, as well as internal and external partners to design, implement, and deliver bleeding edge quantum solutions on state-of-the-art quantum-inspired, quantum annealing, and quantum gate platforms for real-world defense and national security challenges. Demonstrable hands-on experience using GenAI tools (e.g., OpenAI Codex, Claude Code, Gemini Code Assist, GitHub Copilot, Amazon CodeWhisperer, or similar) for software development, code generation, debugging, and algorithmic exploration.
Sr. Full Stack Ui/Ux Software Engineer CSSI, Inc.Sr. Full Stack Ui/Ux Software EngineerWashington, DCAbout CSSI: CSSI, LLC., has 30 years of experience working in complex, dynamic, safety critical systems supporting both government and commercial clients to address their toughest challenges, with efficient and low-risk solutions. CSSI is seeking a highly skilled Senior Full UI/UX Stack Software Engineer to support the design, development, modernization, integration, and maintenance of mission-critical applications supporting transportation and operational safety programs.
Software Engineer - Senior Spear AISoftware Engineer - SeniorBolling AFB, District of ColumbiaWe’re looking for a Senior Software Engineer to lead software development initiatives for enterprise AI platforms, provide technical leadership and architectural guidance while delivering high-quality, scalable software solutions. Expertise in multiple programming languages and technology stacks: a modern JS framework (React, Angular, or Vue) plus at least one back-end language/framework (Python/FastAPI/Django, Node.js, Java/Spring, or Go).
Senior Software Developer (Applications Architect) N2IA TechnologiesSenior Software Developer (Applications Architect)Washington, DCFull timeEnd-to-End Development: Oversee or co-create modern front-end interfaces (React, Angular, Vue.js) and robust back-end APIs/microservices (Java, Python).Data Modeling & Integration: Design performant relational (SQL) and non-relational (NoSQL) data storage layers alongside event-driven data pipelines. DevSecOps & CI/CD Leadership: Advocate for automated deployment pipelines, infrastructure as code (Terraform, AWS CloudFormation), containerization (Docker, Kubernetes).Technical Governance & Mentorship: Lead code reviews, troubleshoot complex bottlenecks, and mentor full-stack engineering cohorts on best practices.
NewSenior Software Developer- FDA CDER background Preferred OranSenior Software Developer- FDA CDER background PreferredDistrict of ColumbiaThe Software Developer will participate throughout the full software development lifecycle, including requirements analysis, design, development, configuration, testing, deployment, implementation, maintenance, troubleshooting, and enhancement of new and existing applications. The Information Technology Specialist III – Software Developer will provide hands-on application development, operations and maintenance (O&M), and technical support for enterprise applications and supporting systems.
Junior Level/ Entry Level Software Engineer (Remote) SynergisticITJunior Level/ Entry Level Software Engineer (Remote)Dupont Circle, DCRemote$95,000–$154,000 / yearSynergisticIT works especially well for candidates such as: recent grads in CS/Engineering/Math/Stats , jobseekers who were laid off and need an updated stack, career switchers who want a guided plan, candidates with career gaps , people with "learning but not hired” bootcamp history, experienced professionals not landing interviews, and international candidates on F1/OPT needing a clear employment pathway. Since 2010 , SynergisticIT has helped thousands of candidates secure full-time roles with leading companies and recognizable brands—think Google, Apple, PayPal, Visa, Western Union, Wells Fargo, Client, Walmart Labs, Client, Banking, Client, Wayfair , and many more—often in the $95k to $154k offer range depending on role, location, and skillset.
NewPrincipal Software Developer Bigbear.aiPrincipal Software DeveloperWashington, Washington, DCFull timeWhat you will do: Innovate and Build: Dive into hands-on development on a large-scale codebase, tackling tasks such as processing large datasets within the JavaFX framework, optimizing storage solutions, and integrating external APIs to deliver new features. At BigBear.ai , we empower organizations to make sense of their data through cutting-edge technology, transforming massive volumes of structured and unstructured data into actionable insights every single day.
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.
NewSoftware Engineer III - Applied AI Blue OriginSoftware Engineer III - Applied AIWashingtonand/or transports placardable amounts of hazardous materials by ground in any vehicle on a public road while in commerce, may be subject to additional Federal Motor Carrier Safety Regulations including: Driver Qualification Files, Medical Certification (obtained before onboarding), Road Test, Hours of Service, Drug and Alcohol Testing, vehicle inspection requirements, CDL requirements (if applicable) and hazardous materials transportation/shipping training. You'll take meaningful ownership over the architecture and delivery of agentic, workflow-driven search and discovery platforms - powering enterprise knowledge graphs and AI-assisted retrieval systems that help Blue Origin teams find critical data in seconds.