Sr. Software Engineer Jobs in Washington

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Sr. Software Engineer, Full Stack (Javascript/Typescript, Angular & Node)

Capital One

•

McLean, Virginia, USA

Full-time

Sr. Software Engineer, Full Stack (Javascript/Typescript, Angular & Node) Do you love building and pioneering in the technology space? Do you enjoy solving complex business problems in a fast-paced, collaborative, inclusive, and iterative delivery environment? At Capital One, you'll be part of a big group of makers, breakers, doers and disruptors, who solve real problems and meet real customer needs. We are seeking Full Stack Software Engineers who are passionate about marrying data with emerg
Posted 4 hours ago | Updated 4 hours ago

Sr. Software Engineer, Android (Android, Kotlin, JetPack Compose) (Enterprise Platforms Technology)

Capital One

•

McLean, Virginia, USA

Full-time

Sr. Software Engineer, Android (Android, Kotlin, JetPack Compose) (Enterprise Platforms Technology) As a Capital One Senior Software Engineer, Android , you'll work on a variety of software products and services creating and supporting fully-automated unit/regression testing of mobile applications and software hosted on the cloud. You'll have the opportunity to work on Android test automation using Espresso framework. You will be using Android Studio as your IDE while developing your tests usin
Posted 4 hours ago | Updated 3 hours ago

Senior Software Engineer

ManTech

•

Fort Meade, Maryland, USA

Full-time

ManTech seeks an experienced and passionate, career and customer-oriented Software Engineer to join our team located in the Ft. Meade, MD area. Responsibilities include, but are not limited to: Develops, maintains, and enhances complex and diverse software systems (e.g., processing-intensive analytics, novel algorithm development, manipulation of extremely large data sets, real-time systems, and business management information systems) based upon documented requirements.Works individually or as
Posted 8 hours ago | Updated 2 hours ago

Senior Software Engineer / Python / TypeScript

Motion Recruitment Partners, LLC

•

Washington, District of Columbia, USA

Full-time

A privately funded AI startup that is leveraging LLMs to streamline work flows and proposal approvals for US Government Agencies is hiring for a Senior Software Engineer to join their team. The startup has reached several million in annual recurring revenue within the last 2 years is hiring for several full stack engineers to the team. This position is full life cycle development where you will be owning your code from design, implementation and deployment. In this role you you will be building
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Posted 27 days ago | Updated 1 hour ago

Sr. Software Engineer, Back End (Golang, AWS) (Enterprise Platforms Technology)

Capital One

•

McLean, Virginia, USA

Full-time

Sr. Software Engineer, Back End (Golang, AWS) (Enterprise Platforms Technology) Do you love building and pioneering in the technology space? Do you enjoy solving complex business problems in a fast-paced, collaborative, inclusive, and iterative delivery environment? At Capital One, you'll be part of a big group of makers, breakers, doers and disruptors, who love to solve real problems and meet real customer needs. We are seeking Back End Software Engineers who are passionate about marrying dat
Posted 4 hours ago | Updated 3 hours ago

Senior Software Engineer

Booz Allen Hamilton

•

Herndon, Virginia, USA

Full-time

Job Number: R0221722 Software Engineer, Senior The Opportunity: As a software engineer, 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 engineer like you with the skills needed to develop software and systems from vision to production-ready. This role is more than just coding. As a s
Posted 6 days ago | Updated 5 hours ago

FLEX Senior Software Engineer - Front-End Web

Marriott International

•

Bethesda, Maryland, USA

Full-time

Job Description This is a temporary position. As a Senior Java, Full stack and Adobe Experience Manager (AEM) Software Engineer at Marriott, you will be working on a state of the art React based micro-ui architecture, utilizing AEM as the CMS and a Java based services. You will help build the next generation hospitality web portal to assist our customers in traveling the world for work and pleasure. You will work with product owners, UX, back-end/front-end engineers and QA engineering to build
Posted 9 days ago | Updated 4 hours ago

FLEX Senior Software Engineer - SEO

Marriott International

•

Bethesda, Maryland, USA

Full-time

Job Description This is a temporary position. JOB SUMMARY As a member of the Enterprise Search Engine Optimization Development team, you will be a part of a team responsible for implementing and maintaining technical SEO enhancements across the diverse portfolio of Marriott's websites and systems. This individual will serve as a senior technical resource responsible for managing the full software development lifecycle, from requirements analysis to deployment, ensuring high-quality, scalable,
Posted 22 days ago | Updated 4 hours ago

Senior Software Engineer / GenAI

Motion Recruitment Partners, LLC

•

Washington, District of Columbia, USA

Full-time

A prominent fintech company based in Washington, DC is searching for a Senior Software Engineer to join their fast-growing team. Their SaaS is one of the leading personal finance apps, boasting 5+ million active members. Including features like their subscription management tool, bill negotiation, and spending insights, they aim to help their users optimize financial health through saving them money as well as helping them build wealth for a greener future. Preferred Skills & Experience 5+ year
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Posted 46 days ago | Updated 1 hour ago

Senior Software Engineer

Booz Allen Hamilton

•

Fort Meade, Maryland, USA

Full-time

Job Number: R0221713 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 a seasoned developer like you with the expertise needed to build software and systems from vision to production ready. This role is more than just coding. As a
Posted 6 days ago | Updated 5 hours ago

Senior Software Engineer

Motion Recruitment Partners, LLC

•

Silver Spring, Maryland, USA

Full-time

A prominent FinTech company based in Washington, D.C. Is seeking a team driven and collaborative Senior Full Stack Engineer to join their team. With more than 5 million people using their product, the company's services have helped users manage their money more efficiently as well as better recognize and control their spending habits. Their success and mission to help their clients live their best financial lives possible has led to a strong reputation in the financial industry Preferred Skills
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Posted 59 days ago | Updated 1 hour ago

Senior Software Engineer

ManTech

•

Fort Meade, Maryland, USA

Full-time

ManTech is currently looking for a Software Engineer to join our team in the Ft. Meade, MD area. In this role, you will develop, maintain, and enhance complex and diverse software systems (e.g., processing-intensive analytics, novel algorithm development, manipulation of extremely large data sets, real-time systems, and business management information systems) based upon documented requirements. Responsibilities include, but are not limited to: Responsible for analyzing user requirements to der
Posted 11 days ago | Updated 4 hours ago

Senior Software Engineer

RTX Corporation

•

Sterling, Virginia, USA

Full-time

Date Posted: 2025-06-25 Country: United States of America Location: VA542: 22260 Pacific Blvd, Dulles 22260 Pacific Boulevard Building CC4, Sterling, VA, 20166-6916 USA Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: The ability to obtain and maintain a U.S. government issued security clearance is required.Security Clearance: DoD Clearance: Secret Raytheon Company Managed by Collins Aerospace Collins Aerospace, an RTX company, is a leader in technolo
Posted 3 days ago | Updated 4 hours ago

Senior Software Engineer

ManTech

•

Fort Meade, Maryland, USA

Full-time

ManTech is currently looking for a Software Engineer to join our team in the Ft. Meade, MD area. In this role, you will develop, maintain, and enhance complex and diverse software systems (e.g., processing-intensive analytics, novel algorithm development, manipulation of extremely large data sets, real-time systems, and business management information systems) based upon documented requirements. Responsibilities include, but are not limited to: Responsible for analyzing user requirements to de
Posted 11 days ago | Updated 4 hours ago

Senior Software Engineer

NNData

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Remote or Reston, Virginia, USA

Full-time

Software/Systems Architect/Engineer NNData Corporation is seeking a cleared Computer Software/Systems Architect/Engineer to support a government intelligence agency contract. Design and execute the technical implementation for infrastructure and cloud computing services. Deliver solution that aligns with the customer s business needs and requirements. Provide design recommendations and assistance to solution deployment team members. Assist in the development of detailed project specifications an
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Posted 9 days ago

Senior Software Engineer

ManTech

•

Fort Meade, Maryland, USA

Full-time

ManTech seeks an experienced and passionate, career and customer-oriented Software Engineer to join our team located in the Ft. Meade, MD area. Responsibilities include, but are not limited to: Develops, maintains, and enhances complex and diverse software systems (e.g., processing-intensive analytics, novel algorithm development, manipulation of extremely large data sets, real-time systems, and business management information systems) based upon documented requirements.Works individually or as
Posted 11 days ago | Updated 3 hours ago

Senior Software Engineer - AWS

Fannie Mae

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Remote or Reston, Virginia, USA

Full-time

At Fannie Mae, the inspiring work we do helps make a home a possibility for millions of homeowners and renters. Every day offers compelling opportunities to impact the future of the housing industry while being part of a collaborative team thriving in an energizing environment. Here, you will grow your career and help create access toaffordable housing finance. Job Description As a valued colleague on our team, you will contribute to developing data infrastructure and pipelines to capture, int
Posted 8 days ago | Updated 6 hours ago

Sr. Software Engineer, DevOps (AWS, Java, Python) (Enterprise Platforms Technology)

Capital One

•

McLean, Virginia, USA

Full-time

Sr. Software Engineer, DevOps (AWS, Java, Python) (Enterprise Platforms Technology) Do you love building and pioneering in the technology space? Do you enjoy solving complex business problems in a fast-paced, collaborative, inclusive and iterative delivery environment? At Capital One, you'll be part of a big group of makers, breakers, doers and disruptors, who love to solve real problems and meet real customer needs. We are seeking DevOps Engineers who are passionate about marrying data with em
Posted 4 hours ago | Updated 3 hours ago

Sr. Software Engineer TS/SCI Polygraph $25k SIGN ON!

Leidos

•

Franconia, Virginia, USA

Full-time

Description Leidos has an exciting opportunity for a Senior Software Engineer to join a high performing agile team using the Scaled Agile Framework (SAFe) methodology to support a nationally significant and fast-paced cryptographic key management program and we are extending a $25,000.00 SIGN ON BONUS! Program execution here follows DEVOPS best practices and employs robust development, test, and production environments. Additionally, the program is using Behavioral Driven Development (BDD) and t
Posted 9 days ago | Updated 3 hours ago

Senior Software Engineer - CTJ - Poly

Microsoft Corporation

•

Reston, Virginia, USA

Full-time

Security represents the most critical priorities for our customers in a world awash in digital threats, regulatory scrutiny, and estate complexity. Microsoft Security aspires to make the world a safer place for all. We want to reshape security and empower every user, customer, and developer with a security cloud that protects them with end to end, simplified solutions. The Microsoft Security organization accelerates Microsoft's mission and bold ambitions to ensure that our company and industry i
Posted 8 days ago | Updated 4 hours ago