Senior Software Engineer Jobs in District of Columbia

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Senior Software Engineer - .NET Core/React - Fintech

Motion Recruitment Partners, LLC

•

Washington, District of Columbia, USA

Full-time

This is a full-time role with a high-growth company in the payments and commerce space, supporting some of the world's largest brands. This position is hybrid preferred but open to remote. You'll work with .NET Core, React (or Angular), and SQL to build secure, scalable web applications that power in-store, online, and mobile experiences across industries. The company offers the opportunity to work on a global, enterprise-grade platform with a tight-knit engineering team. If you're passionate ab
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Posted 50 days ago | Updated 3 hours ago

Senior Software Engineer

Modern Technology Solutions

•

Chantilly, Virginia, USA

Full-time

Overview Modern Technology Solutions, Inc. (MTSI) is seeking a Senior Software Engineer with experience in Java and JavaScript to join our team in Chantilly, VA. We are a small, but highly empowered team where every team member is directly responsible for the success of our mission. In your role, you will be responsible for designing, implementing, and maintaining software applications across one or more projects using an agile development model. Why is MTSI known as a Great Place to Work? Inte
Posted 55 days ago | Updated 3 days ago

FLEX Senior Software Engineer - On Site Digital Platforms

Marriott International

•

Bethesda, Maryland, USA

Full-time

Job Description This is a temporary position. Takes day-to-day direction from assigned Product Leader/Owner to lead technical workgroups and/or functions as a technical expert. Operates as a key member of the On Site Digital team/squad to resolve and makes decisions on more complex, non-routine service requests with limited to moderate risk. Performs research, analysis, design, creation and implementation of applications to meet current and future user requirements. Defines and creates the next
Posted 60+ days ago | Updated 6 hours ago

Senior Software Engineer

Booz Allen Hamilton

•

Chantilly, Virginia, USA

Full-time

Job Number: R0219794 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 sof tware, 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 sof tware and systems from vision to production-ready. This role is more than just coding
Posted 52 days ago | Updated 8 hours ago

Sr. Software Engineer-Automated Test Framework TS/SCI Poly

Leidos

•

Maryland, USA

Full-time

Description Leidos has a new and exciting opportunity for an Automated Test Framework Software Engineer in our National Security Sector's (NSS) Cyber & Analytics Business Area (CABA). Our 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. At Leidos, we offer competitive benefits, including Paid Time Off, 11 paid Holidays, 401K with a 6% c
Posted 8 days ago | Updated 3 hours ago

Senior Software Engineer (Multiple Positions) - Reston, VA

ICF

•

Reston, Virginia, USA

Full-time

ICF Incorporated, LLC: Senior Software Engineer (Multiple Positions) - Reston, VA DUTIES: Planning, design, development, documentation, and release of clinical/healthcare related software applications and databasesParticipate in multiple modeling, simulations, and analysis efforts, and support technical development of solutions.Provide Support to SemanticBits technology team in delivering value added business solutions using tools and technologies such as CSS; HTML, JavaScript, MySQL, React, JA
Posted 41 days ago | Updated 7 hours ago

Senior Software Engineer - Full Stack (TS/SCI)

Maxar Technologies

•

Odenton, Maryland, USA

Full-time

Please review the job details below. Maxar is seeking a Senior Software Engineer to support a high-impact mission in a dynamic, fast-paced environment. This role involves developing, enhancing, and maintaining software systems used across networked, local, and internet-based environments. The ideal candidate will have strong experience across the full software development lifecycle and a passion for building scalable, enterprise-level solutions in cloud environments. Location: This position is
Posted 34 days ago | Updated 5 hours ago

Senior Software Engineer - Full Stack (TS/SCI)

Maxar Technologies

•

Odenton, Maryland, USA

Full-time

Please review the job details below. Maxar is seeking a Senior Software Engineer to support a high-impact mission in a dynamic, fast-paced environment. This role involves developing, enhancing, and maintaining software systems used across networked, local, and internet-based environments. The ideal candidate will have strong experience across the full software development lifecycle and a passion for building scalable, enterprise-level solutions in cloud environments. Location: This position is
Posted 35 days ago | Updated 3 hours ago

Senior Software Engineer

Leidos

•

Columbia, Maryland, USA

Full-time

Leidos has a new and exciting opportunity for a Senior Software Engineer in our National Security Sector's (NSS) Cyber & Analytics Business Area (CABA). Our 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. At Leidos, we offer competitive benefits, including Paid Time Off, 11 paid Holidays, 401K with a 6% company match and immediate vesti
Posted 60+ days ago | Updated 6 hours ago

Senior Software Engineer

Thomson Reuters U.S. Inc.

•

Remote or McLean, Virginia, USA

Full-time

*Please note this is a 6 month contract position and full-time benefits do not apply* Are you passionate about the chance to bring your analytical processing experience to a world class organization that is leading the way in both content and technology to serve and protect our citizens home and abroad? Do you have the skills necessary to design new software solutions for customers? Then Thomson Reuters Special Services (TRSS) is looking for you! About the Role As a Senior Software Engineer,
Posted 60+ days ago | Updated 7 hours ago

Sr. Software Engineer TS/SCI Polygraph

Leidos

•

Annapolis, Maryland, USA

Full-time

Leidos has an exciting opportunity for a Sr. Software Engineer! *Must have an active TS/SCI Polygraph up front. No exceptions.* You will perform software development lifecycle (SDLC) activities as both an individual and a member of our top-notch agile development team building a large complex enterprise system. Development includes the full range of turning Agile user stories into implementable concepts, through development, unit testing, integration and test, and deployment of the new capabili
Posted 21 days ago | Updated 6 hours ago

Senior Software Engineer

General Dynamics

•

Manassas, Virginia, USA

Full-time

Basic Qualifications Requires a Bachelor's degree in Software Engineering, or a related Science, Engineering or Mathematics field. Also requires 2+ years of job-related experience or a Master's degree. Agile experience preferred. Must have JavaScript and Kubernetes. CLEARANCE REQUIREMENTS: Department of Defense Secret security clearance is required within a reasonable period. Applicants selected will be subject to a U.S. Government security investigation and must meet eligibility requirements
Posted 60+ days ago | Updated 6 hours ago

Senior Software Engineer

Lockheed Martin Corporation

•

Maryland, USA

Full-time

Job Description This position may be eligible for a $25K sign on bonus for external hires! WHAT WE'RE DOING Lockheed Martin, Rotary Mission Systems Cyber & Intelligence invites you to step up to one of today's most daunting challenges: the use of advanced electronics to undermine our way of life. As a cyber security professional at Lockheed Martin, you'll protect the networks that our citizens and the world depend upon each minute: Financial assets. Healthcare information. Critical infrastruct
Posted 60+ days ago | Updated 6 hours ago

Sr. Software Engineer in Test (SDET)

Tential

•

Remote or Baltimore, Maryland, USA

Contract

Our client is the largest non-bank lender in the United States. As part of a demonstrated commitment and investment in innovation and new ways of reaching our customers, they are transforming their industry-leading lending services. They are seeking a talented and versatile Full-Stack Software Development Engineer in Test providing exceptional customer experiences with their loan originations solutions. You will collaborate with cross-functional teams to incrementally deliver high-quality softwa
Posted 2 days ago | Updated 4 hours ago

Senior Software Engineer - 25k Sign on Bonus

Leidos

•

Columbia, Maryland, USA

Full-time

Leidos has a new and exciting opportunity for a Sr. Software Engineer in our National Security Sector's (NSS) Cyber & Analytics Business Area (CABA). Our 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. At Leidos, we offer competitive benefits, including Paid Time Off, 11 paid Holidays, 401K with a 6% company match and immediate vesting,
Posted 60+ days ago | Updated 6 hours ago

Senior Software Engineer

Parsons Services Company

•

Centreville, Virginia, USA

Full-time

In a world of possibilities, pursue one with endless opportunities. Imagine Next! When it comes to what you want in your career, if you can imagine it, you can do it at Parsons. Imagine a career working with exceptional people sharing a common quest. Imagine a workplace where you can be yourself. Where you can thrive. Where you can find your next, right now. We've got what you're looking for. Job Description: Parsons is looking for an amazingly talented Senior Software Engineer to join our te
Posted 60+ days ago | Updated 7 hours ago

Senior Software Engineer

Base-2 Solutions, LLC

•

Fort Meade, Maryland, USA

Full-time

Annual Salary Range: $180,000 to $220,000 with Full Benefits to include Health/Dental/Vision and PTO. Description: Base-2 Solutions is looking for a top-notch software engineer to join our team. We are driven to solve challenging customer problems by leveraging innovative technical solutions. Our software engineers develop the next-generation technologies that drive decision making and impact our national defense. We're looking for engineers who bring fresh ideas from all areas, including inform
Posted 60+ days ago | Updated 7 hours ago

Senior Software Engineer

Leidos

•

Annapolis, Maryland, USA

Full-time

The Software Engineer will perform software development lifecycle (SDLC) activities as a member of an Agile development team building a large complex enterprise system. Development includes the full range of turning Agile user stories into implementable concepts, through development, unit testing, integration and test, and deployment of the new capabilities for the large complex enterprise system. Following the Behavior-driven Development (BDD) pattern, developers are responsible for implementin
Posted 60+ days ago | Updated 6 hours ago

Senior Software Engineer

BlueHalo

•

Annapolis, Maryland, USA

Full-time

At BlueHalo, an AV Company, we don't just witness the future of national security - we create it. In our relentless pursuit of innovation, we are expanding our team and seeking a Senior Software Engineer to support mission-critical projects that leverage cutting-edge cloud technologies and modern software development practices. Your expertise in AWS cloud services, infrastructure automation, and software development will play a key role in building resilient, scalable, and secure systems that d
Posted 60+ days ago | Updated 7 hours ago

Sr. Software Engineer-Automated Test Framework TS/SCI Poly

Leidos

•

Annapolis, Maryland, USA

Full-time

Leidos has a new and exciting opportunity for an Automated Test Framework Software Engineer in our National Security Sector's (NSS) Cyber & Analytics Business Area (CABA). Our 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. At Leidos, we offer competitive benefits, including Paid Time Off, 11 paid Holidays, 401K with a 6% company match
Posted 55 days ago | Updated 6 hours ago