senior software developer Jobs in washington

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Software Developer (Junior)

American Systems Corporation

•

Springfield, Virginia, USA

Full-time

Overview AMERICAN SYSTEMS is an employee-owned federal government contractor supporting national priority programs through our strategic solutions in the areas of Information Technology, Test & Evaluation, Program Mission Support, Engineering & Analysis, and Training. Responsibilities Assist in the development of software applications, features, and components under the guidance of senior developers, following coding standards and best practices. Designs, develops, documents, tests and debugs
Posted 57 days ago | Updated 2 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 11 hours ago | Updated 2 hours ago

Senior Front End Developer

Accenture LLP

•

Washington, District of Columbia, USA

Full-time

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
Posted 17 days ago | Updated 2 hours ago

FLEX Senior Software Engineer

Marriott International

•

Bethesda, Maryland, USA

Full-time

Job Description 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 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 generation of solutions to drive Marriott val
Posted 31 days ago | Updated 2 hours ago

Senior Lead Software Engineer, Back End (Go, Python, AWS)

Capital One

•

McLean, Virginia, USA

Full-time

Senior Lead Software Engineer, Back End (Go, Python, AWS) 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 data with emerging techno
Posted 2 days ago | Updated 19 hours ago

Senior Full Stack Java Developer - W2 - Day-1 Onsite

Saksoft

•

McLean, Virginia, USA

Contract

Position: Senior Full Stack Developer (x3 Openings)Location: Onsite in McLean, VA (Monday Friday) Local candidates within a 40-mile commute strongly preferred Duration: 6 Months Role Overview:Client is seeking three experienced Senior Full Stack Developers to join their Business Engineering team within the Investments and Capital Markets division.This role focuses on modernizing a front-office trading application vital to I&CM operations.You ll collaborate closely with cross-functional teams to
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Posted 12 days 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: None Experience: 5 + years of related experience ship Required: Yes Job Description: GDIT is seeking a Senior Software Engineer to join our team. ship required. GDIT will sp
Posted 26 days ago | Updated 17 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: None Experience: 5 + years of related experience ship Required: Yes Job Description: GDIT is seeking a Senior Software Engineer to join our team. ship required. GDIT will spo
Posted 26 days ago | Updated 20 hours ago

Senior Lead Software Engineer, Back End (Java/Python/AWS)

Capital One

•

McLean, Virginia, USA

Full-time

Senior Lead Software Engineer, Back End (Java/Python/AWS) 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 data with emerging techno
Posted 20 days ago | Updated 2 hours ago

Senior Software Engineer

Motion Recruitment Partners, LLC

•

Arlington, Virginia, USA

Full-time

Senior Software Engineer, based in Rosslyn VA A SaaS company based in Rosslyn, VA, is looking for a full-time Senior Software Engineer to help develop its evaluation platform. Their tech powers a distributed system used by over 900 U.S. government agencies to assess and adopt emerging innovations. This is a hands-on engineering role with a focus on Java, Spring, AWS, and front-end practices. This is more than just another engineering role, it's an opportunity to make a meaningful impact at scale
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Posted 11 days ago | Updated 10 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 2 days ago | Updated 19 hours ago

Senior Software Engineer

Motion Recruitment Partners, LLC

•

Arlington, Virginia, USA

Full-time

A fast-growing startup based in Ballston, VA, specializing in retail energy sales and digital petition tracking is looking for a mid-to-senior Full-Stack Developer with strong skills in .NET and React for a full-time position. You'll be working primarily onsite four days per week in their Ballston office, with flexible hours and a casual, tech-startup atmosphere. This company has built an ecosystem of digital tools used by energy reps in the field and they've recently expanded into the political
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Posted 15 days ago | Updated 10 hours ago

Appian Senior Developer

General Dynamics

•

Washington, District of Columbia, USA

Full-time

Type of Requisition: Pipeline Clearance Level Must Currently Possess: None Clearance Level Must Be Able to Obtain: None Public Trust/Other Required: MBI (T2) Job Family: Software Development Job Qualifications: Skills: Software Development, Software Projects, Software Systems Certifications: None Experience: 10 + years of related experience ship Required: No Job Description: Deliver simple solutions to complex problems as an Appian Senior Developer at GDIT. Here, you'll tailor cutting-ed
Posted 60+ days ago | Updated 2 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 48 days ago | Updated 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 10 days ago | Updated 2 hours ago

Sr Developer, Software (IT)

DaVita Inc.

•

Remote or DeLand, Florida, USA

Full-time

Posting Date 06/12/2025 3000 DaVita Way, Deland, Florida, 32724-2039, United States of America Developer, IT Software (Labs) General Purpose of the Job The Developer, IT Software (Lab) designs and develops .NET applications. Specifically, this position may develop applications using a combination of .NET technologies (e.g., C# and ASP.Net) and database objects (e.g., tables, triggers, packages, stored procedures and functions). This position also writes technical specifications, supports qua
Posted 60+ days ago | Updated 2 hours ago

Senior C++ Developer

Judge Group, Inc.

•

Tysons, Virginia, USA

Contract

Location: Tysons Corner, VA Description: The Judge Group's direct client in the financial services domain is seeking a Senior/ Lead C++ Developer in McLean, VA/ Tysons Corner, VA, for a hybrid role. About the Role: In this role, you will be responsible for designing, developing, and optimizing high-performance software solutions using C++. You will work closely with cross-functional teams to architect and implement robust, scalable, and maintainable code. Key Responsibilities: Design, imple
Posted 32 days ago | Updated 11 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 8 days ago | Updated 3 hours ago

Senior Web Application Developer

Cayuse Shared Services

•

Washington, District of Columbia, USA

Full-time

Overview The Work The Senior Web Application Developer is responsible for designing, testing, and developing well-designed web-based software code that is testable and efficient, using the best software development practices to meet user needs. This role involves recommending software upgrades for current and future systems, translating User Interface (UI)/User Experience (UX) design wireframes, ensuring software continues to function normally through software maintenance and testing, and docume
Posted 11 hours ago

Senior ServiceNow Developer

Navigant Consulting

•

McLean, Virginia, USA

Full-time

Job Family: Digital Consulting (Digital) Travel Required: Up to 10% Clearance Required: Ability to Obtain Secret Our professionals help our clients in the Federal Government transform business processes, enhance the efficiency of operations, improve transparency and performance management, promote change management, and comply with Federal laws and regulations. We empower our clients to identify, evaluate, and solve some of their most complex challenges, and assist them in achieving their str
Posted 19 days ago | Updated 2 hours ago