mid level developer Jobs in washington, dc

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521 - 540 of 2,341 Jobs

Senior Development Engineer - Remote with Travel

Constellation Energy

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Remote or Washington, District of Columbia, USA

Full-time

WHO WE ARE As the nation's largest producer of clean, carbon-free energy, Constellation is focused on our purpose: accelerating the transition to a carbon-free future. We have been the leader in clean energy production for more than a decade, and we are cultivating a workplace where our employees can grow, thrive, and contribute. Our culture and employee experience make it clear: We are powered by passion and purpose. Together, we're creating healthier communities and a cleaner planet, and our
Posted 7 days ago | Updated 8 hours ago

Sr. Full Stack Developer (100% Remote --on W2)

Synergy Technologies, LLC

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Remote

Contract

Job Title: Sr. Full Stack Developer Duration: Long Term Location : Jacksonville, FL. (100% remote) JOB SUMMARY: Sr. React Developers are responsible for the development, programming, and coding of Information Technology solutions using ReactJS, Redux, D3 and NodeJS to enable Client Customer Experience applications. Senior IT Developers are responsible for documenting detailed system specifications, participation in unit testing and maintenance of planned and unplanned internally developed app
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Posted 9 hours ago

Cloud Lead Developer

Advent Global Solutions, Inc.

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Remote

Contract

Role: Cloud Lead Developer 6 Openings Location: VA (Remote) Core Responsibilities (Day-to-Day Activities) As a Cloud Lead Developer (LEAD DEVELOPER / IT912), you will: Lead design, development, and deployment of cloud-native applications. Drive alignment with architectural standards and business objectives. Review and manage code merges and CI/CD pipeline activities using Jenkins, GitHub Actions, or Azure DevOps. Develop and integrate cloud-based solutions, leveraging services like compute, sto
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Posted 10 hours ago | Updated 6 hours ago

Software Development Engineer- Java

Sharp Infotech Inc.

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Remote

Full-time

Title: Software Development Engineer- Java Location: Onsite in Seattle, WA OR Los Angeles, CA- REMOTE Duration: 8 months of contract with a high possibility of extension and conversion Need candidate on W2 only- USC-EAD/-EAD only Ex-Amazon About the Role: We are looking for a customer-obsessed and self-driven Software Development Engineer (SDE) to join our team. As a mid-level engineer, you ll contribute to designing, building, and maintaining scalable systems that power customer-facing product
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Posted 13 hours ago

Senior Software Engineer

Brilliant Infotech Inc.

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Remote

Contract

Job Description: Design and implement data migration pipelines using NodeJS and / or JavaDevelop programs, tools and / or scripts to migrate structured metadata (e.g., sports events, teams, stats)Write and / or update QA programs to validate correctness and completeness of data migrationPerform self-QA and debugging to ensure high-quality deliveryCollaborate with teammates to iterate, test, and validate migration logicMaintain documentation and logs of migration and QA outcomesProactively raise
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Posted 23 days ago | Updated 3 days ago

Cloud Lead Developer

Learn Beyond Consulting LLC

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Remote

Contract

Role: Cloud Lead Developer Location: 100% Remote Duration: Long term contract Core Responsibilities (Day-to-Day Activities) As a Cloud Lead Developer Lead design, development, and deployment of cloud-native applications.Drive alignment with architectural standards and business objectives.Review and manage code merges and CI/CD pipeline activities using Jenkins, GitHub Actions, or Azure DevOps.Develop and integrate cloud-based solutions, leveraging services like compute, storage, and serverless
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Posted 1 day ago

Senior Software Engineer

Two95 International

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Remote

Full-time

Title: Senior Software Engineer Location: Remote Work Type : Fulltime Salary: $Open Responsibilities: Full-Stack Development: Design, develop, and maintain scalable, secure, and efficient software applications using Scala and TypeScript.Cloud Infrastructure: Utilize AWS services (CFN, EC2, Lambda, S3, Dynamo, etc.) to deploy and manage applications in the cloud.Containerization & Orchestration: Implement containerized solutions using Docker, deploy and manage services on Kubernetes.Distributed
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Posted 24 days ago

Senior Database Engineer (SQL)

Costar Group

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Arlington, Virginia, USA

Full-time

Senior Database Engineer (SQL) Job Description OVERVIEW: 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. We have been living and breathing the world of real estate infor
Posted 37 days ago | Updated 7 hours ago

System Developer - C++

Judge Group, Inc.

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Manassas, Virginia, USA

Contract

Location: Manassas, VA Description: The Judge Group's direct client in the financial services domain is seeking an experienced Senior System Developer - C++ in Manassas, VA/ HYBRID. Job Title: System Developer - C++ Job Location: Manassas, VA/ Hybrid Job Description: Code, test, and review software using technologies including C++, STL, Boost, Multithreading, Unix, Perl, Python and XML. Requirement analysis and Design of new features and enhancements to existing components. Produce/update
Posted 10 days ago | Updated 4 hours ago

Sr. ServiceNOW developer with CSM experience - Customer Service Management + ITSM

Georgia IT

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Remote

Contract

Sr. ServiceNOW developer with CSM experience - Customer Service Management + ITSM Remote Duration 10-12 months Rate DOE Looking for Senior ServiceNow Developer with the following skillset/experience9-10 years of hands-on experience as a ServiceNow developerUI Builder good to haveCustomer Service (we have 3 CSM instances) must have hands-on experience including - Integration + customization configurationIntegration + customization +configurationITSM MUST haveHRSD should be conversantPortal De
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Posted 9 days ago

Senior Engineer / Analyst for ISRT Scientific Applications

Johns Hopkins University AppliedPhysicsLaboratory

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Laurel, Maryland, USA

Full-time

Description Do you enjoy leading teams, mentoring staff, and guiding complex technology development efforts and analyses? Are you interested in researching, developing, and analyzing innovative ways to produce impactful information from many different types of sensors and sources of data? Do you want to advance US defense capabilities in Intelligence, Surveillance, Reconnaissance, and Targeting? If so, we're looking for someone like you to join our team at APL! We are seeking a creative and
Posted 60+ days ago | Updated 8 hours ago

Senior Cyber Security Engineer

ManTech

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Chantilly, Virginia, USA

Full-time

ManTech seeks a motivated, career and customer-oriented Senior Cyber Security Engineer to join our team in Chantilly, VA. Responsibilities include but are not limited to: Maintain operations of identity and access management services including directory, access, identity, and privileged access management servicesMaintain infrastructure in cloud or virtualized environmentsPerform Linux based system upgrades and patchesEngineer and deployment of a privileged access management (PAM) solutionEnginee
Posted 44 days ago | Updated 1 hour ago

Senior Cybersecurity Engineer (US Federal)

Workday, Inc.

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McLean, Virginia, USA

Full-time

Your work days are brighter here. At Workday, it all began with a conversation over breakfast. When our founders met at a sunny California diner, they came up with an idea to revolutionize the enterprise software market. And when we began to rise, one thing that really set us apart was our culture. A culture which was driven by our value of putting our people first. And ever since, the happiness, development, and contribution of every Workmate is central to who we are. Our Workmates believe a h
Posted 39 days ago | Updated 8 hours ago

Salesforce Developer

Tranzeal, Inc.

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Remote

Contract

Job Title: Senior Salesforce DeveloperLocation: Denver, CO / RemoteDuration: 6 months (Contract to hire role) GENERAL PURPOSE OF THE JOB The Senior Salesforce Developer at client is a technical leader and subject matter expert responsible for the full lifecycle of Salesforce development from architectural design to hands-on implementation. This role combines deep technical expertise with strategic collaboration, translating complex business requirements into scalable, high-quality solutions. As
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Posted 12 hours ago

Senior System Engineer

SAIC

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Fort Meade, Maryland, USA

Full-time

Job ID: 2506166 Location: FORT MEADE, MD, US Date Posted: 2025-06-24 Category: Engineering and Sciences Subcategory: Systems Engineer Schedule: Full-time Shift: Day Job Travel: No Minimum Clearance Required: TS/SCI with Poly Clearance Level Must Be Able to Obtain: None Potential for Remote Work: No Description SAIC, a leading provider of systems engineering & integration, systems development & deployment, intelligence analysis and targeting, and training solutions for the Intelligence
Posted 48 days ago | Updated 5 hours ago

Software Engineer, Backend

West Coast Consulting LLC

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Remote

Contract

Job Description Title: Software Engineer, Backend Duration: Aug 5, 2025 - Jul 31, 2026 Location: Remote (North America) TECHNICAL SKILLS Must Have3+ years of software development experience in one or more general purpose programming languages (Java, Scala, Go, C++, Python).Nice To Have Experience with prompt engineering, machine learning or data science. Cost Center Code49 - Tech-Ads Engineering JOB DESCRIPTION The Ad Safety & Verification (ASV) team is small, scrappy, and able to execute o
Posted 9 days ago | Updated 4 hours ago

Lead Cybersecurity Engineer

Zachary Piper Solutions, LLC

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Remote

Full-time

Piper Companies is seeking a Lead Cybersecurity Engineer to join a cutting-edge decision science security organization. The Lead Cybersecurity Engineer will be responsible for designing robust cybersecurity measures and access management solutions to protect the organization's systems and data. Responsibilities of the Lead Cybersecurity Engineer include: Design robust cybersecurity measures and access management solutions to protect the organization's systems and data. Lead the implementatio
Posted 31 days ago | Updated 30 days ago

Senior Machine Learning Engineer

Draper

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Remote or Reston, Virginia, USA

Full-time

Overview: Draper is an independent, nonprofit research and development company headquartered in Cambridge, MA. The 2,000+ employees of Draper tackle important national challenges with a promise of delivering successful and usable solutions. From military defense and space exploration to biomedical engineering, lives often depend on the solutions we provide. Our multidisciplinary teams of engineers and scientists work in a collaborative environment that inspires the cross-fertilization of ideas
Posted 60+ days ago | Updated 8 hours ago

Lead Full Stack Developer

ICF

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Reston, Virginia, USA

Full-time

The Lead Developer will play a pivotal, technical-leadership role in successfully deploying technical solutions for our clients. This role will be responsible for configuring, customizing, and implementing ServiceNow applications to meet specific business requirements. Technical expertise and attention to detail are critical to the success of our projects and the satisfaction of our clients. Job Responsibilities Collaborate with analysts and stakeholders to provide technical guidance throughout
Posted 60+ days ago | Updated 8 hours ago

Sr. Developer

Canyon Associates

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Remote

Full-time

Remote position is mandatory C# Oracle preferred, Sql Server is a plus asp.net front end UI experience Blazor experience is preferred Will see Javascript experience Must have web applications, Winforms experience is a plus
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Posted 30 days ago