Web api jobs in bethesda, md

React.Js Web Developer (Fast API, Python)

Remote

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14d ago

Job Title: React.js. Web Developer (Fast API, Python)Location: Remote Key ResponsibilitiesDesign, develop, and maintain responsive web applications using React.js.Build and maintain high-performance REST APIs using FastAPI and Python.Integrate front-end applications with backend services and third-party APIs.Develop reusable UI components and ensure responsive design.Optimize application performance, scalability, and security.Write clean, maintainable, and well-documented code.Collaborate with p

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Third Party, Contract

Depends on Experience

Senior Software Developer

Arlington, Virginia

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Today

Our client is hiring a Senior Software Developer for a full-time opportunity in the U.S., with a virtual-first/hybrid work environment. This company is a national nonprofit organization focused on improving access, equity, and integrity in the college admissions process, supporting more than 1 million students each year. This role is centered around full-stack software development, working with technologies including C#, .NET, ASP.NET Core, Web API, Entity Framework Core, SQL Server, Azure, Java

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Full-time

$115000 - $125000

PowerBI Database Engineer

Washington, District of Columbia

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Today

Job ID: 2617599 Location: Washington, DC, US Date Posted: 2026-10-05 Category: Information Technology Subcategory: Data Scientist Schedule: Full-Time Shift: Day Job Travel: Yes - 10% of the time Minimum Clearance Required: Interim_Secret Clearance Level Must Be Able to Obtain: Secret Potential for Remote Work: ORA_ON_SITE Description ?SAIC has an excellent opportunity for a PowerBi Database Engineer to support the Defense Research and Engineering Network (DREN) program to provide effec

Full-time

USD 100,001.00 - 140,000.00 per year

Front-End Software Engineer 4

Bethesda, Maryland

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Today

Requisition ID: 5424Standard Title: Senior Software EngineerRequired Security Clearance: Top SecretLocation: Bethesda, MDWork Type: On-SiteShift: FirstReferral Eligibility: EligibleU.S. Citizenship Required? Yes Position Summary Support the DOMEX Technology Platform as a Front-End Software Engineer 4 developing high-quality web applications for a DoD program using a modern technology stack. Most tasks are conducted on-site at the client location in Bethesda, MD. The source body also states that

Full-time

Front-End Software Engineer 3

Bethesda, Maryland

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Today

Requisition ID: 5425Standard Title: Software EngineerRequired Security Clearance: Top SecretLocation: Bethesda, MDWork Type: On-SiteShift: FirstReferral Eligibility: EligibleU.S. Citizenship Required? Yes Position Summary Support the DOMEX Technology Platform as a Front-End Software Engineer 3 developing high-quality web applications for a DoD program using a modern technology stack. Most tasks are conducted on-site at the client location in Bethesda, MD. The source body also states that occasi

Full-time

Full Stack Developer

Washington, District of Columbia

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Today

Join a dynamic full stack development team building modern web applications that support important financial operations in a fast-paced Agile environment. This onsite role in Washington, DC offers the chance to work across the full stack-from database design and APIs to responsive front-end experiences-using a current Microsoft and Angular technology stack. Responsibilities Design, build, and maintain web applications across the full development lifecycle Develop scalable APIs and service inte

Full-time

USD 40.00 - 77.00 per hour

.Net Architect

Hybrid in Oakton, Virginia

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Today

Job Title: .NET Solution Architect SharePoint, K2 & AI Integration Location: Oakton, VA (1 day onsite - 4 days remote) Client: Federal Experience: 12+ Years Work Authorization: As per client requirements Mandatory: Previous Federal client experience and strong working knowledge of .NET, SharePoint, K2, and AI integration. Over all 12+ years of experience and must have strong working experience on.NET Architect SharePoint, K2 & AI IntegrationMust have prior experience with a Federal client.Job

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Full-time

Depends on Experience

Full Stack Developer

Alexandria, Virginia

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Today

The Microsoft Full Stack Developer will design, develop, and deploy scalable, robust applications for the Department of State using Microsoft technologies such as .NET, C#, .NET Core, Web API, LINQ, Entity Framework, Azure, SQL, HTML, CSS, JavaScript, Angular/React, and more. Supports enterprise-level solutions that are critical to Department of State missions, collaborating across teams and making an immediate impact. Requires close coordination with Department of State clients and internal tea

Full-time

USD 130,000.00 - 135,000.00 per year

Sr. .NET Developer

Remote or McLean, Virginia

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Today

Public Trust Eligibility Required About Aretum Aretum is a mission-driven organization committed to delivering innovative, technology-enabled solutions to our customers across defense, civilian, and homeland security sectors. Our teams work at the intersection of strategy, technology, and transformation, helping agencies solve their most critical challenges. We believe in investing in our people and creating a culture where collaboration, inclusion, and professional growth are at the forefront

Full-time

USD 120,000.00 - 150,000.00 per year

Full Stack .Net Developer

Ashburn, Virginia

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Today

Job ID: 2617276 Location: Ashburn, VA, US Date Posted: 2026-09-25 Category: Software Subcategory: SW Engineer Schedule: Full-Time Shift: Day Job Travel: Yes - 10% of the time Minimum Clearance Required: None Clearance Level Must Be Able to Obtain: Public Trust Potential for Remote Work: ORA_HYBRID Description SAIC is currently seeking a motivated, career and customer-oriented Mid-Level Software Engineer to join our team in Ashburn, VA to begin an exciting and challenging career with SA

Full-time

USD 80,001.00 - 120,000.00 per year

Senior Full-Stack .Net Developer

Ashburn, Virginia

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Today

Job ID: 2617274 Location: Ashburn, VA, US Date Posted: 2026-09-25 Category: Software Subcategory: SW Engineer Schedule: Full-Time Shift: Day Job Travel: Yes - 10% of the time Minimum Clearance Required: None Clearance Level Must Be Able to Obtain: Public Trust Potential for Remote Work: ORA_HYBRID 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 SA

Full-time

USD 120,001.00 - 160,000.00 per year

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, 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 information and onlin

Full-time

USD 143,000.00 - 187,000.00 per year

SME Software Developer, Applications - US Department of State

Washington, District of Columbia

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Today

The SME Software Developer, Applications will serve as a senior technical subject matter expert supporting the development, enhancement, modernization, integration, and sustainment of the PRM Enterprise System. PRiMES is a mission-critical Department of State platform used to manage project funding, partner information, program data, monitoring activities, financial plans, reporting, and data visualizations for the Bureau of Population, Refugees, and Migration and other Department users. This r

Full-time

USD 140,000.00 per year

O&M Journeyman Software Developer, Systems Software - US Department of State

Washington, District of Columbia

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Today

The O&M Journeyman Software Developer, Systems Software will support operations, maintenance, enhancement, modernization, troubleshooting, and sustainment of the PRM Enterprise System. PRiMES is a Department of State enterprise platform used to manage project funding, partner information, program data, financial plans, monitoring activities, reporting, and data visualizations for the Bureau of Population, Refugees, and Migration and other Department users. This role will focus on maintaining an

Full-time

USD 140,000.00 per year

Systems Technical Director

Reston, Virginia

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12d ago

At ICF Next, we are fearless in finding new ways to solve problems, relentless in making sure it pays off for our clients and committed to making a positive change in the world. Join our community of mission-driven creatives, communicators, strategists, and technologists to challenge the status quo. The Team You'll serve as the senior engineering leader for a cross-functional program that includes engineering team leads, software engineers, solution and cloud architects, database administrato

Full-time

USD 158,819.00 - 269,993.00 per year

SR ENGINEER, FRONT END CENTRAL QUALITY ASSURANCE

Manassas, Virginia

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Today

Our vision is to transform how the world uses information to enrich life for all. Micron Technology is a world leader in innovating memory and storage solutions that accelerate the transformation of information into intelligence, inspiring the world to learn, communicate and advance faster than ever. Monitor and react to wafer quality indicators and quality events highlighted by Fab Process, Product Engineering, and Site QA teams. Proactively contain any deviated or non-conforming material from

Full-time

USD 135,000.00 - 169,000.00 per year

Senior Software Developer - US Department of State

Washington, District of Columbia

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Today

The Senior Software Developer, Applications will support the development, modernization, enhancement, integration, and operations of the PRM Enterprise System. PRiMES is a mission-critical Department of State platform used to manage project funding, partner information, program data, monitoring activities, financial plans, reporting, and data visualizations for the Bureau of Population, Refugees, and Migration and other Department users. This role will help lead the transformation of the existi

Full-time

USD 150,000.00 per year

Software Engineer- Senior

Herndon, Virginia

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Today

Job Description This position requires an active TS/SCI with Polygraph. We are seeking a versatile Senior Software Developer with expertise in secure software engineering. The ideal candidate will combine technical proficiency in development of tools and cyber security. The candidate will work in an agile environment, collaborating with cross-functional teams to address a broad range of IT issues while safeguarding customer assets. This role requires collaboration across cross-functional teams

Full-time

USD 154,000.00 per year

.NET & REACT Full Stack Developer

Washington, District of Columbia

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Today

Overview The. NET/React Developer will play a critical role in the design, development, and maintenance of enterprise-grade web applications and services. This role is responsible for building high-quality, scalable software solutions using the Microsoft .NET stack on the back end and React (with TypeScript/JavaScript) on the front end. This role will engage in the full software development lifecycle-from requirements analysis and solution design through implementation, testing, deployment, an

Full-time

Senior Software Engineer/Tech Lead

Reston, Virginia

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12d ago

At ICF Next, we are fearless in finding new ways to solve problems, relentless in making sure it pays off for our clients and committed to making a positive change in the world. Join our community of mission-driven creatives, communicators, strategists, and technologists to challenge the status quo. The Team You'll lead a delivery team within a cross-functional program that includes software engineers, solution and cloud architects, database administrators, DevSecOps engineers, quality assura

Full-time

USD 119,323.00 - 202,850.00 per year

Web api jobs in Bethesda, MD, USA