Web API jobs in Washington

Bethesda, Maryland

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Today

Job Description Develop and maintain web applications using ReactJS and Python.Coding, testing, and debugging new and/or existing web applications.Implementing and refining user interfaces.Conducting thorough unit testing via automated tooling.Collaborating with other team members (internal and external) to ensure optimal performance and usability.Peer reviewing code written by fellow team members.Utilizing virtualization technologies like Docker and Podman. Required Skills Bachelor's degree i

Full-time

System Analyst (Pi System) at Woodbridge, VA 22192 (Hybrid)

Hybrid in Woodbridge, Virginia

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19d ago

Position: System Analyst (Pi System)Location: Woodbridge, VA 22192 (Hybrid) (3 Days onsite and 2 days remote)Type: - Contract Job Description Client is seeking an experience System Analyst to support OSIsoft PI System infrastructure and data flows. Client uses Aveva OSIsoft PI, SEEQ, and Microsoft Power BI to provide real and near real-time reporting of time series data from our SCADA systems to meet operational and regulatory reporting requirements. Minimum Qualifications and RequirementsBache

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Contract

Depends on Experience

Web API Developer

Remote or Somerville, Massachusetts

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Today

Site: Mass General Brigham Incorporated Mass General Brigham relies on a wide range of professionals, including doctors, nurses, business people, tech experts, researchers, and systems analysts to advance our mission. As a not-for-profit, we support patient care, research, teaching, and community service, striving to provide exceptional care. We believe that high-performing teams drive groundbreaking medical discoveries and invite all applicants to join us and experience what it means to be par

Full-time

Senior Software Engineer (C#/.NET)

Arlington, Virginia

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Today

Senior Software Engineer (C#/.NET) 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 in

Full-time

.NET Software Engineer

Hybrid in Arlington, Virginia

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Today

Job Number: R0226743 .NET Software Engineer 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 sof tware, but to create a system that will make a difference, we need you on our team. We're looking for an experienced developer like you with the skills needed to develop sof tware and systems from vision to production ready. This role is more than just coding. As

Full-time

USD 69,400.00 - 158,000.00 per year

Sr. UI/UX Front-End Development Engineer

Bethesda, Maryland

•

Today

Are you ready to join the Leidos all-star team? Through training, teamwork, and exposure to challenging technical work, let Leidos show how to accelerate your career path. Leidos has an exciting opening. We are seeking a skilled Sr. UI/UX Front-End Engineer. You will develop high-quality web applications using a state-of-the-art technology stack in support of an emerging program. The DOMEX Technology Platform (DTP) program is a next generation platform utilizing AI to provide cutting edge data

Full-time

USD 104,650.00 - 189,175.00 per year

UI/UX Front-End Development Engineer

Bethesda, Maryland

•

Today

Are you ready to join the Leidos all-star team? Through training, teamwork, and exposure to challenging technical work, let Leidos show how to accelerate your career path. Leidos has an exciting opening. We are seeking a skilled UI/UX Front-End Engineer. You will develop high-quality web applications using a state-of-the-art technology stack in support of an emerging program. The DOMEX Technology Platform (DTP) program is a next generation platform utilizing AI to provide cutting edge data enri

Full-time

USD 85,150.00 - 153,925.00 per year

Lead Full Stack Software Engineer – API Lead for Web Team

Remote

•

Yesterday

Lead Full Stack Engineer About the Opportunity: A technology-driven organization is seeking a hands-on and people-oriented Lead Full Stack Engineer to join their growing software engineering team and lead 3-5 direct reports. This is a new position based on growth of the organization and new product lines, and will act as a hybrid technical and managerial role, driving both backend architecture and front-end delivery across critical digital platforms used in the transportation industry. The idea

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Full-time

Depends on Experience

Full Stack Developer CMPRS

Ashburn, Virginia

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Today

Job ID: 2509685 Location: ASHBURN, VA, US Date Posted: 2025-09-17 Category: Software Subcategory: SW Engineer Schedule: Full-time Shift: Day Job Travel: No Minimum Clearance Required: None Clearance Level Must Be Able to Obtain: Public Trust Potential for Remote Work: Yes Description SAIC is currently seeking a motivated, career and customer-oriented Software Engineer to join our team in Ashburn, VA to begin an exciting and challenging career with SAIC Federal Systems. This is a hybri

Full-time

Sr. Full Stack Developer CMPRS

Ashburn, Virginia

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Today

Job ID: 2509686 Location: ASHBURN, VA, US Date Posted: 2025-09-19 Category: Software Subcategory: SW Engineer Schedule: Full-time Shift: Day Job Travel: No Minimum Clearance Required: None Clearance Level Must Be Able to Obtain: Public Trust Potential for Remote Work: Yes Description SAIC is currently seeking a motivated, career and customer-oriented Principal Software Engineer to join our team in Ashburn, VA to begin an exciting and challenging career with SAIC Federal Systems. This

Full-time

Web Software Engineer 4 - Client API Foundations

Remote

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Today

Netflix is one of the world's leading entertainment services, with over 300 million paid memberships in over 190 countries enjoying TV series, films and games across a wide variety of genres and languages. Members can play, pause and resume watching as much as they want, anytime, anywhere, and can change their plans at any time. Commerce Engineering at Netflix is responsible for driving the continued growth of Netflix's subscriber base and increasing the value we derive from each member. Our wo

Full-time

USD 100,000.00 per year

100% REMOTE: Dynamics 365 Developer

Remote

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2d ago

VERY URGENT REQUIREMENT Title: Dynamics 365 Developer Location: Mexico (Can work Remotely anywhere in Mexico) Duration: 12 months **Key Responsibilities:** - Develop and customize Dynamics 365 solutions to meet business requirements. - Design, develop, and maintain Core Web APIs. - Troubleshoot and resolve issues related to Dynamics 365 and associated technologies. - Create and manage plugins, Power Automate flows, custom APIs, Azure Functions, Key Vaults, and Power Apps forms. - Collaborate wi

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Contract

Depends on Experience

D365 Portal with Power

Remote

•

2d ago

Job title: Consultant Duration of the project: 6 months Work Location with Zip code: Redmond WA 98052/Remote Please Confirm Must Have Skills (TOP 3 SKILLS) D365 CRM, Web APIs, Power PlatformPlease provide a Detailed Job Description.Excellent development experience in D365 CRM, Web APIs, Power Platform, .Net & Azure. Should be able to work on Plugins, Workflows and API integrations. Good to have Agentic Experience. Experienced in Dynamics CRM Portal development. Development experience using Micro

Easy Apply

Contract

Depends on Experience

Dynamics 365 Developer

Remote

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14d ago

Easy Apply

Contract

$50 - $60

Principal Endpoint Security - Rust or C++ Programmer

Remote

•

Yesterday

NO SPONSORSHIP Principal Endpoint Security Staff Software Engineer (Rust) 100% Remote Salary: $185-$225K + Bonus You will need to be able to code but this is not just a developer role. You will need to understand the entire product, including the basics of other teams implementations. Needs to understand the agent side of the product and some of the integration points of other teams Needs enterprise endpoint security experience. You will Develop Software to run on endpoint (rust is highly pre

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Full-time

$180,000 - $225,000

Software Data Engineer

Springfield, Virginia

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Today

MANTECH is seeking a motivated, career and customer-oriented Software Data Engineer to join our team in the Springfield, VA area. Responsibilities include, but are not limited to: Provide expert guidance on Enterprise Asset Management; Identify, recommend, and implement agreed upon leading industry practices, process methodologies, new technologies, and streamlined approaches that afford the client the ability to improve system performance.Provide support to maintain IBM's Maximo to ensure that

Full-time

Power BI Developer, Senior

Washington, District of Columbia

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Today

Overview The Power BI Developer, Senior, will design, build, and maintain dashboards and reports that transform data into actionable insights. This position performs all duties and responsibilities in accordance with the Mission, Vision, and Core Values of Cayuse. Responsibilities Build Data Analytics enterprise models using Microsoft's Power BI Develop tabular, multidimensional models compatible with warehouse standards Develop self-service models, and data analytics using Power BI service

Full-time

Depends on Experience

.Net Developer with Healthcare experience.

Remote

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22d ago

Role : .Net Developer with Healthcare Experience Location : Tampa, FL or Remote Experience : 12+ Years Duration : 30 Months Client : State of FL HIPAA ,HL7 and /or FHIR experience must in health care project. Requested Qualifications; 84 months experience using Microsoft Visual Studio to develop/maintain applications in C#, ASP.NET, Web API for n-tier web deployment. 84 months experience developing and maintaining web applications that utilize HTML, XML, JSON, AJAX, JavaScript, jQuery, Bootstr

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Full-time

Depends on Experience

Solution Architect

Remote

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7d ago

Example of Duties Exercises lead responsibility over Systems Developers in the areas of assignments, training, supervision, review and evaluation of work product; plans and coordinates assignments of Systems Developers; Leads developers and other staff in the development of functional requirements for new or redesigned systems; reviews work of staff for accuracy, completeness and conformance to standards and serves as consultant in more complex problems; participates in the development and testi

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Contract, Third Party

Depends on Experience

Azure Machine Learning (ML)/ Developer/.net

Remote

•

Today

EEO CLASSIFICATION: Professionals FLSA: Exempt .net, .net Core, REACT, Angular8+, Web API, SQL, SSIS, REST APIs, Azure Cloud, GraphQL, SSRS Responsibilities Working on a scrum team as a full stack engineer. Design and develop reusable software modules that meet customer requirements while upholding high standards of reliability, security, maintainability, and performance. Assist in defining product technical architecture. Maintain and document deliverables in Rally as needed. Participate in pe

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Third Party, Contract

Depends on Experience

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Web API jobs in Washington, DC, USA