Senior Software Developer Jobs in Washington

Refine Results
261 - 280 of 2,362 Jobs

Senior Applications Developer (Government)

AT&T Inc.

•

Oakton, Virginia, USA

Full-time

Job Description: This position requires office presence of a minimum of 5 days per week and is only located at customer's site. No relocation is offered. AT&T Global Public Sector is a trusted provider of secure, IP enabled, cloud-based, network solutions and professional services to the Federal Government. We are dedicated to recruiting, developing and empowering a diverse, high-performing workforce that is passionate about what they do, committed to our shared values and dedicated to our cus
Posted 60+ days ago | Updated 6 hours ago

AI/ML Engineer

Unisys

•

Reston, Virginia, USA

Full-time, Contract

Description:Job Level: Mid to Senior Level GenAI developer. Location: Reston, VirginiaExperience: * 8+ years overall in Software Engineering disciplines, preferably in the contracts and legal domain. * 2-3 years of experience in AI/ML engineering roles * Strong programming skills in Python, SQL and experience with AWS.Key Responsibilities: * Design, test, and refine prompts for large language models (LLMs) to support financial reporting, summarization, and client communication tools. * Analyze s
Easy Apply
Posted 13 hours ago | Updated 1 hour ago

Senior Full Stack Developer

PANGIAM a BigBear.ai Company

•

Ashburn, Virginia, USA

Full-time

BigBear.ai is seeking a Senior Full Stack Developer (JAVA/JEE) to support the ongoing modernization and maintenance of the CBP information systems, using JAVA/JEE. What you will do Design and implement JEE software applicationsUse modern software engineering tools and methodologies including Eclipse, Spring boot, Kubernetes, Docker, and Atlassian Products (Jira, Confluence)Work with users in an Agile development approach to understand requirements, then elicit feedback and refine solution throu
Posted 4 days ago

: Senior Staff Software Engineer

Vaco by Highspring

•

Remote

Full-time

Job Title:Senior Staff Software Engineer Location:100% Remote Employment Type:Direct Hire Compensation:$140,000 - $175,000 Base + 10%-15% Bonus Benefits:401K Matching, Full Benefits & PTO ImportantNote: No third-party companies - direct applicants only. Sponsorship is not available now or in the future. Job Summary We seek aSenior Staff Software Engineerwith strong AWS cloud engineering expertise to lead and mentor a high-performing software development team. This role is an even split between t
Easy Apply
Posted 31 days ago

ServiceNow Senior Developer - Integrations

IBM

•

Reston, Virginia, USA

Full-time

Introduction A career in IBM Consulting is rooted by long-term relationships and close collaboration with clients across the globe. You'll work with visionaries across multiple industries to improve the hybrid cloud and AI journey for the most innovative and valuable companies in the world. Your ability to accelerate impact and make meaningful change for your clients is enabled by our strategic partner ecosystem and our robust technology platforms across the IBM portfolio; including Software and
Posted 60+ days ago | Updated 6 hours ago

Senior Principal Engineer, Software Engineering

RTX Corporation

•

Annapolis, Maryland, USA

Full-time

Date Posted: 2025-06-23 Country: United States of America Location: HMD31: Annapolis, MD 2551 Riva Road , Annapolis, MD, 21401-7435 USA Position Role Type: Unspecified U.S. Citizen, U.S. Person, or Immigration Status Requirements: Security Clearance: ARINC Incorporated d/b/a Collins Aerospace has an opening for a Senior Principal Engineer, Software Engineering in Annapolis, MD. This is a hybrid role, individual must work in the Annapolis, Maryland office 3 times per week and can work remote two
Posted 14 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 6 hours ago

Mid-Level Software Developer

SimVentions, Inc

•

Remote or Dahlgren, Virginia, USA

Full-time

Overview SimVentions is a 100% employee-owned business and has consistently been voted one of Virginia's Best Places to Work. We are looking for a mid-level Full-Stack Developer experienced with web-based applications development in a microservices architecture to join our team! On this project, Small Scrum teams work together within the Scaled Agile Framework to develop a telecommunications modeling system used to support DOD missions. This position is located on Dahlgren Naval Base. Applican
Posted 56 days ago | Updated 6 hours ago

Senior ServiceNow Developer (Remote)

Oscar Technology

•

Remote

Contract

Job Title: Senior ServiceNow Developer (Remote, Cleared) Job Type: 12-Month Contract Location: 100% Remote (Must be available to work EST hours) Start Date: ASAP Compensation: Up to $70/hr W2 or $75/hr C2C Overview: We are currently seeking an experienced Senior ServiceNow Developer to support a long-term project. This fully remote opportunity requires a candidate with strong technical expertise across multiple ServiceNow modules and an active U.S. government security clearance. Key Responsib
Easy Apply
Posted 14 days ago | Updated 7 hours ago

Sr. Java Developer - McLean, VA. Must have expertise in Java, Spring boot, Microservices, Angular and AWS with 12+ years of experience

Keylent

•

McLean, Virginia, USA

Contract, Third Party

Job Requirements: 12+ years of Core Java development experience, familiar with Java 8 or higher. Able to deliver end to end project. Experience with java development and aware of java patterns. Experience in Spring Boot and Microservices uses for development. Experience of development project and developed functionalities using java, j2ee. Must have AWS experience. Must have Angular experience. AWS services (S3, SQS, SNS,ECS, Lambda, AWS Cloud watch etc.) Experience on AWS deployed application.
Easy Apply
Posted 14 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 6 hours ago

Cloud Developer Senior

Jacobs

•

Washington, District of Columbia, USA

Full-time

We are searching for a Top Secret cleared Cloud Developer (Senior) to join our team in Washington, DC. You will be working in an organization that's mission is to accelerate operations through data and new analytical insights. In this role you will support ongoing maintenance of multiple Virtual Private Clouds across enclaves, including managing backups, patching, upgrades, developer workstations, monitoring, and overall security posture. The entire section leverages agile and works to provide
Posted 60+ days ago | Updated 6 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

Sr. Ab-Initio Developer - ONLY W2

nTech Solutions

•

Herndon, Virginia, USA

Contract

ONLY W2ONLY W2ONLY W2 Title: Sr. Ab-Initio Developer Location: Reston, VA 20191 Duration: 12 Months Contract + Hire Job Description: Terms of Employment Contract-to-Hire, 12 MonthsCandidates must be comfortable working onsite in Reston, VA once per week.Candidates must reside in the Washington D.C., Maryland, Virginia area.Overview & Responsibilities Our client is looking for a Senior Ab Initio Data Developer to join a team that is working on a MongoDB buildout project for a very, very important
Easy Apply
Posted 31 days ago | Updated 10 days 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 actively seeking a Senior Software Engineer to join a groundbreaking program based in Annapolis Junction, MD. Your expertise in software development and leadership will play a critical role in solving complex problems and driving technological advancements in national defense. Imagine being part of a mission that challenges the
Posted 60+ days ago | Updated 6 hours ago

Senior Accela Developer

SoftPath Technologies LLC

•

Washington, USA

Third Party, Contract

Senior Accela Developer Work Location: Seattle, WA- Primarily remote. However, the client may require occasional on-site presence on short notice, and all proposed candidates must be able to accommodate such visits. Duration: Five-years contract Project Title: Accela Development & Quality Assurance Testing Accela Development: Develop and maintain all aspects of the SDOT Accela implementation, including but not limited to system configuration, scripts, expressions, standard choices, page flows
Easy Apply
Posted 2 days ago | Updated 1 day ago

Role: Sr. UI/Angular Developer, Location: 1775 Tysons Blvd, VA.

Satsyil Corporation

•

Tysons, Virginia, USA

Full-time

Role: Sr. UI/Angular DeveloperLocation: 1775 Tysons Blvd, VA (Hybrid)Duration: FTE.Job Description: Satsyil Corp. is seeking a motivated Senior UI/Angular Developer to join an exciting modernization project for our client working in a fast-paced and forward-thinking agile environment. Qualified candidates will have proven to experience translating user and business requirements into the structural design of highly intuitive and well-crafted interfaces. The UI Developer will work with a cross-fun
Easy Apply
Posted 14 days ago | Updated 3 days ago

Sr ServiceNow Developer ITSM Specialist with Banking

Spiceorb

•

Remote

Third Party, Contract

Role: Sr ServiceNow Developer ITSM Specialist with Banking Location: RemoteExp: 12 Must Have Skills: Skill 1 Yrs of Exp Product management Skill 2 Yrs of Exp Banking - Loan(commercial/mortgage) Skill 3 Yrs of Exp Enterprise data warehouse team, EDW manages data engineering team, ETL Regulatory reporting Good To have Skills: Skill 1 Yrs of Exp Agile methodology Required Skills and Experience: 5+ years of hands-on development experience on the ServiceNow platform. Strong experience with ServiceNo
Easy Apply
Posted 12 hours ago

Senior Advanced Digital Signal Processing (DSP) 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 8+ years of job-related experience, or a Master's degree plus 6 years of job-related experience. Agile experience preferred. Must have Digital Signal Processing (DSP), C++ and MATLAB experience. CLEARANCE REQUIREMENTS: Department of Defense Secret security clearance is required at time of hire. Applicants selected will be subject to a U.S. Government
Posted 22 days ago | Updated 6 hours ago

Software Engineer V / Sr. Principal Engineer

Medifast, Inc.

•

Remote or Baltimore, Maryland, USA

Full-time

About the Opportunity At Medifast, our team members are relentless in our mission of driving Lifelong Transformation, Making a Healthy Lifestyle Second Nature . When you join Medifast, you become part of a dynamic, fast-growing community of highly motivated, like-hearted people who share a passion for promoting health and wellness. Just as OPTAVIA Coaches inspire Clients to reach their personal wellness goals, at Medifast, we inspire each other to bring our best to work each day to further our s
Posted 35 days ago | Updated 3 hours ago