Sr. Software Engineer jobs in Washington

Washington, District of Columbia

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Today

Overview Job Summary Galapagos Federal Systems LLC is seeking an enthusiastic and well-qualified Senior Software Engineer to provide advanced software engineering expertise in the design, development, and maintenance of mission-critical systems supporting Department of Defense (DoD) programs. This role offers the opportunity to collaborate with a diverse and talented team committed to driving mission success. The ideal candidate will demonstrate strong technical leadership, hands-on developme

Full-time

USD 145,000.00 - 165,000.00 per year

Senior Software Engineer

Falls Church, Virginia

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Today

Senior Software Engineer (on-site) This Jobot Job is hosted by: Charles Simmons Are you a fit? Easy Apply now by clicking the "Apply Now" button and sending us your resume. Salary: $150,000 - $200,000 per year A bit about us: Our client is a well-funded deep tech company headquartered in Northern Virginia, building a suite of autonomous software reliability and testing products. Their team is collaborative, highly technical, and customer focused. They prioritize the long-term in our structure

Full-time

USD 150,000.00 - 200,000.00 per year

Senior Software Engineer

Washington, District of Columbia

•

Today

Overview The Senior Software Engineer is responsible for the design, development, testing, and management of application development projects in support of IT infrastructure. This includes programmatic integration of third-party components, introduction of new custom capabilities, modification of existing code, process improvement recommendations, and automation of operations and maintenance tasks. The Software Engineer develops and implements technical efforts to design, build, and deploy appl

Full-time

Depends on Experience

Senior Software Engineer

Falls Church, Virginia

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Today

RESPONSIBILITIES: Kforce has a client that is seeking a Senior Software Engineer in Falls Church, VA. Responsibilities: * Senior Software Engineer will lead the architecture and design of high-reliability, mission-critical software for our satellite and ground systems * Drive the full development lifecycle, from technical strategy and requirements definition to implementation, testing, and operational excellence * Mentor junior engineers and champion best practices in software design, particula

Contract

$70 - $80 hourly

Senior Software Engineer

Tysons, Virginia

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Today

At Accenture Federal Services, nothing matters more than helping the US federal government make the nation stronger and safer and life better for people. Our 13,000+ people are united in a shared purpose to pursue the limitless potential of technology and ingenuity for clients across defense, national security, public safety, civilian, and military health organizations. Join Accenture Federal Services, a technology company and part of global Accenture, to do work that matters in a collaborative

Full-time

USD 157,300.00 - 215,100.00 per year

Sr. Software Engineer

Arlington, Virginia

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Today

Leidos is presently seeking a Sr. Software Engineer in support of the Defense Information Systems Agency GSMO-II Program. The selected candidate will be a key member of CESO Engineering team, working hands-on and will provide technical expertise in Continuous Integration/Continuous Delivery (CI/CD), DevOps and Software Configuration Management in support of the automated and rapid delivery of innovative solutions to a hybrid on-premises/cloud-based environment. Primary Responsibilities Create a

Full-time

USD 104,650.00 - 189,175.00 per year

Senior Software Engineer

Washington, District of Columbia

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Today

Job ID: 2511390 Location: WASHINGTON, DC, US Date Posted: 2025-11-14 Category: Software Subcategory: SW Engineer Schedule: Full-time Shift: Day Job Travel: No Minimum Clearance Required: Secret Clearance Level Must Be Able to Obtain: None Potential for Remote Work: Yes Description SAIC is seeking a Senior Software Engineer to join our team in Washington, D.C. Key Responsibilities: Work collaboratively to maintain, development new components and deploy application software for the Depa

Full-time

USD 120,001.00 - 160,000.00 per year

Senior Software Engineer

Arlington, Virginia

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Today

Req ID: 38250 Summary Senior Software Engineer Arlington, VA Are you ready to enhance your skills and build your career in a rapidly evolving business climate? Are you looking for a career where professional development is embedded in your employer's core culture? If so, Chenega Military, Intelligence & Operations Support (MIOS) could be the place for you! Join our team of professionals who support large-scale government operations by leveraging cutting-edge technology and take your career t

Full-time

Senior Software Engineer

Bethesda, Maryland

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Today

Are you ready to join Leidos all-star team? Through training, teamwork, and exposure to challenging technical work, let Leidos show how to accelerate your career path. Leidos has an exciting opening for you as our next TS/SCI cleared Software Engineer supporting a long-term DIA-NDOC DOMEX Technology Platform (DTP) contract. Working closely with Systems Engineers, Software Engineers, and Architects, this position provides an opportunity to have impact as part of a mission focused, solutions orie

Full-time

USD 104,650.00 - 189,175.00 per year

Senior Software Engineer

Vienna, Virginia

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Today

A startup based in Arlington is actively seeking an Senior Software Engineer to help solve problems that have never been solved before. They are revolutionizing software testing with a platform designed to ensure continuous reliability through the autonomous detection of bugs. The platform uncovers bugs hidden across all execution paths, as well as reproduces them in a simulated, controlled environment so the issues can be effectively diagnosed. Their customers can run unlimited tests to discove

Easy Apply

Full-time

USD 150,000.00 - 220,000.00 per year

Senior Software Engineer - I

Washington, District of Columbia

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Today

Overview Introduction: Mano Lani LLC is a leader in enterprise IT and communications, cybersecurity, and mission-critical operational support for U.S. defense and federal agencies worldwide. Mano Lani is looking for a Senior Software Engineer to support Navy Modernization efforts at the Washington Navy Yard in Washington, DC. Duties: Develop, maintain, and secure software code in Government furnished repositories Design and develop new or upgraded web applications to support modernization proce

Full-time

USD 97,000.00 - 127,000.00 per year

Senior Software Engineer (Full Stack)

Hybrid in Alexandria, Virginia

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16d ago

Senior Software Engineer (Full Stack) The Human Resources Research Organization (HumRRO) is a non-profit leader in developing high-impact services and products in the arenas of employment, military, student testing, and professional credentialing and licensure. We work with federal and state government agencies, private sector organizations, and professional associations. About the Organization As a non-profit, HumRRO is dedicated to work that contributes to science and society. Our employees en

Full-time

$100,000 - $155,000

Senior Software Engineer

Hybrid in McLean, Virginia

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12d ago

Senior Software Engineer Astor & Sanders Corporation (Astor), an award-winning IT solutions provider headquartered in McLean, VA, is seeking a Senior Software Engineer. This is a full-time position, and is 100% remote. Roles and Responsibilities The Software Engineer will be responsible for designing, developing, and maintaining robust backend systems, architecting scalable solutions on AWS, and ensuring secure, high-performing applications. Develop and maintain APIs using Django Rest Framework

Full-time

Senior Software Engineer

McLean, Virginia

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Today

Design and implement the next big thing enabling engineers to automate reliability on large scale, distributed software systems . This Jobot Job is hosted by: Charles Simmons Are you a fit? Easy Apply now by clicking the "Apply Now" button and sending us your resume. Salary: $140,000 - $215,000 per year A bit about us: This early stage software product startup has formed through the founders' decades of experience in technology leadership at the largest and most recognizable big tech companie

Full-time

USD 140,000.00 - 215,000.00 per year

Senior Software Engineer (Homes.com)

Arlington, Virginia

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Today

Senior Software Engineer (Homes.com) Job Description CoStar Group (NASDAQ: CSGP) is a leading global provider of commercial and residential real estate information, analytics, and online marketplaces. Included in the S&P 500 Index and the NASDAQ 100, CoStar Group is on a mission to digitize the world's real estate, empowering all people to discover properties, insights and connections that improve their businesses and lives. Homes.com is already one of the fastest growing real estate portals i

Full-time

Senior Software Engineer

Arlington, Virginia

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Today

A leading biometrics and cybersecurity company headquartered in Reston, VA, is looking for a full-time Software Developer to join their team. In this role, you'll help design and maintain microservices-based applications that power border security and counter-terrorism systems worldwide. You'll be building systems that support passenger biometric recognition, immigration processing, and advanced threat detection. Working alongside senior developers, DevOps engineers, and data experts in an Agile

Easy Apply

Full-time

100k - 160k

FLEX Senior Software Engineer - Full Stack

Bethesda, Maryland

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Today

Job Description This is a temporary position. Flex Senior Software Engineer - AEM Specialist / Front-End Engineer Location: Bethesda, MD / Remote About Us Marriott is a world leader in hospitality. Offering the most powerful portfolio in the industry, our 31 brands and 8,500+ properties across 138 countries and territories give people more ways to connect, experience and expand their world. Diversity and inclusion are fundamental to our core values and strategic business goals. Taking care o

Full-time

USD 47.30 - 84.08 per hour

Senior Software Engineer -Platform Engineering

Bethesda, Maryland

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Today

Job Description JOB SUMMARY We are seeking an outstanding engineering talent with the experience to lead the design, solutioning and delivery of large-scale enterprise applications. The candidate should be product focused and deeply passionate about solving complex problems. Candidate must have the ability to communicate upward to superiors and laterally to other departments, keeping the organization at large in sync and making sure that their team continues to deliver results. Demonstrated the

Full-time

USD 98,400.00 - 174,900.00 per year

Senior Software Engineer (.NET Full Stack Dev)

Washington, District of Columbia

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Today

Full-time

Depends on Experience

Senior Software Engineer

Reston, Virginia

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Today

Job Number: R0230268 Software Engineer, Senior The Opportunity: As a full stack developer, you can resolve a problem with a complete end-to-end solution in a fast, agile environment. If you're looking for the chance to not just develop software, but to create a system that will make a difference, we need you on our team. We're looking for an experienced developer like you with the skills needed to develop software and systems from vision to production-ready. This role is more than just coding. A

Full-time

USD 86,800.00 - 198,000.00 per year

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Sr. Software Engineer jobs in Washington, DC, USA