senior software engineer Jobs in washington

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Sr. Software Engineer TS/SCI Polygraph

Leidos

•

Franconia, Virginia, USA

Full-time

Description 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
Posted 16 days ago | Updated 21 hours ago

Sr. Software Engineer

Leidos

•

Arlington, Virginia, USA

Full-time

Leidos is seeking a Senior Software Engineer to support the maritime autonomy team. In this position you will work in a diverse environment that allows you to get into every aspect of software development, and deployment across the software development lifecycle. You will be joining an existing team which has already successfully delivered for our customers and plan to continue their reputation of excellence. You will closely work with the Development team as well as other technology stakeholder
Posted 47 days ago | Updated 5 hours ago

Senior Software Engineer

Motion Recruitment Partners, LLC

•

Silver Spring, Maryland, USA

Full-time

A Washington, DC based FinTech company is searching for a Senior Software Engineer to join their growing teams working on large scale consumer facing feature. Their product makes it easy to optimize your spending, lower your bills, manage subscriptions, and stay on top of your financial life. They are passionate about making it easy for people to take control of their finances and improving their financial well being. The product currently has millions of users and growing rapidly. Required Skil
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Posted 54 days ago | Updated 2 hours ago

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

Capital One

•

McLean, Virginia, USA

Full-time

Sr. Software Engineer, Back End (Scala, Python, 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 marry
Posted 9 hours ago

Sr. Software Engineer

KMM Technologies, Inc

•

Reston, Virginia, USA

Full-time, Contract

KMM an ISO 9001:2015, CMMI Level 2 certified company provides high-quality IT consulting services and innovative solutions by using the most effective and modern technologies. We have a core group of Subject Matter Experts with certifications and immense experience in successfully delivering mission-critical solutions. We have extensive industry experience in the financial, insurance, Health IT, media, marketing, retail, and government markets. We have a proven track record in understanding clie
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Posted 3 days ago | Updated 10 hours ago

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 10 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 10 hours ago

Homes.com - Senior Software Engineer (C#/.NET)

Costar Group

•

Arlington, Virginia, USA

Full-time

Homes.com - Senior Software Engineer (C#/.NET) 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 estat
Posted 15 days ago | Updated 5 hours 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 10 hours ago

Senior Software Engineer - Level 7

PTR Global

•

Arlington, Virginia, USA

Full-time

Senior QA Engineer - 45361-1 Arlington, VA - Onsite from Day One 2+years contract Ideal Candidate Qualifications: 6+ years of experience as a QA Engineer, Software Engineer in Test, Test Automation Engineer or Developer, leveraging software QA tools and processes 4+ years of experience with a variety of different testing techniques such as test planning, UI testing, automated testing, analytic testing, or test-driven development strategies. 4+ years of experience with C#, React/Redux, Seleni
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Posted 10 days 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 34 days ago | Updated 2 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 13 days ago | Updated 6 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 53 days ago | Updated 2 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 29 days ago | Updated 5 hours 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 13 days ago | Updated 6 hours ago

Senior Software Engineer - Secret Clearance Preferred ? Onsite

General Dynamics Information Technology

•

Oakton, Virginia, USA

Full-time

Type of Requisition: Regular Clearance Level Must Currently Possess: None Clearance Level Must Be Able to Obtain: Secret Public Trust/Other Required: None Job Family: Software Engineering Job Qualifications: Skills: Application Development, Software Development, Software Development Life Cycle (SDLC)Certifications: NoneExperience: 5 + years of related experienceship Required: Yes Job Description: GDIT is seeking a Senior Software Engineer to join our team. ship required. GDIT will sponsor
Posted 5 days ago | Updated 1 hour 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 9 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 10 days ago | Updated 5 hours ago

Senior Software Engineer

NNData

•

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 16 days 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 3 days ago | Updated 5 hours ago