IT Developer jobs in District of Columbia

Washington, District of Columbia

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Yesterday

Position: IT DeveloperLocation: Washington, DC 20515Duration: Long Term Contract With potential extension Strong skills developing application and backend services usingC#, ASP.NET MVC, Web API, Java Script, jQuery, Node.js and CSS, Cloud AWS, SQL, GitHub EnterpriseExperience in automating tasks using scripted languages such as Bash, PowerShell, or PerlDeveloping and maintaining web services; experience with MVC, WCF and Web APIs preferableExperience designing and maintaining user interfaces (UI

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Contract

Depends on Experience

IT Developer

Washington, District of Columbia

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10d ago

Job Title: IT Developer Location: Washington, D.C. Onsite Work authorization: Position Summary Softthink is hiring an IT Developer to provide development and technical support services to the Information Resources Management and Technical Services Unit (IRM&TS) at CBO. This role involves application development, backend services, scripting, deployment automation, and database management in a secure, cloud-supported environment. Responsibilities Develop and maintain full-stack applications using

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Contract

Depends on Experience

Information Technology - Developer-Full Stack Senior

McLean, Virginia

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Today

Job#: 2084918 Job Description: Role: Full Stack Senior Developer Location: McLean, VA Requirements:: 10-15 years of experience in requirement analysis, design, development, integration and testing of software solutions based on Java technologies including Single Page Application frameworks, Web Services, Persistence Frameworks, and Application Design Patterns. 7-9 years of experience with relational databases including, Postgres, MySQL, or DB2. 5-7 years of experience in building modern fro

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Full-time

IT Developer

Washington, District of Columbia

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Today

Please Note: This is a full-time role (Monday through Friday), based in Washington, DC. It is a hybrid position, with on-site work required on Tuesdays and Wednesdays (designated as ?core days?), and telework permitted on the remaining weekdays. The position also allows for occasional remote work and is initially offered as a long-term opportunity, extendable up to five years Position Summary: The candidate will provide technical support and expertise to ensure the efficient development, dep

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Contract

Information Technology - Developer-Full Stack Senior

McLean, Virginia

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Today

Job#: 2078594 Job Description: Opportunity Alert: Senior Full Stack Developer (Contract) - McLean, VA (On-Site) Why This Role Rocks Looking to make a real impact on a high-visibility cloud modernization project? Join a forward-thinking team dedicated to transforming legacy systems into agile, modern microservices. Youll lead critical development initiatives and have a direct hand in designing and implementing a scalable architecture with Python, PySpark, and AWS EKS at its core. What You'll

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Full-time

Information Technology - Developer-Full Stack Senior

McLean, Virginia

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Today

Job#: 2084190 Job Description: Senior Full Stack Developer Job Summary A leading financial industry organization is seeking a highly skilled Senior Full Stack Developer to join its technology team. This role involves modernizing and scaling enterprise-grade applications that support financial modeling and research. The ideal candidate will have deep expertise in Java-based microservices, cloud-native development, and modern front-end frameworks, with a strong focus on performance, reliability,

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Full-time

IT Developer - System Administrator

Vienna, Virginia

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Today

Job Title: IT Developer - System Administrator Location: Vienna, VA Type: Contract Contractor Work Model: Remote Pay Rate: Open to Both C2C and W2 options Position Type: Multiyear Contract Description: Extensive Java Development Experience: Proven expertise in building scalable and maintainable backend systems using Java. Strong Spring Boot Proficiency: Hands-on experience developing microservices and RESTful APIs with Java and Spring Boot. Cloud Experience with Microsoft Azure: Familiarity

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Full-time

Information Technology - Developer-Full Stack Senior

McLean, Virginia

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Today

Job#: 2078715 Job Description: We are hiring Senior Full Stack Developers! Role: Senior Full Stack Developers Supporting: Large Financial Services Client Location: Onsite - McLean, VA Position Description: Join our dynamic Financial Engineering team as a Senior Python Developer for a large strategic financial project. This role focuses on Python development for a software application platform that generates enterprise-level reporting based on financial statements and models. Youll be instrumen

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Full-time

IT Developer Federal Contract (C#/.NET, AWS, SQL) USC

Hybrid in Washington, District of Columbia

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8d ago

ob Title: IT Developer Federal Contract (C#/.NET, AWS, SQL) USC Location: Remote (Occasional On-site in Washington, DC as Required) Contracting Agency: Congressional Budget Office (CBO) Contract Type: 6-Month Base + 4 Option Years Start Date: Targeted for September 1, 2025 About the Role: We are seeking an experienced IT Developer to support the Congressional Budget Office (CBO) on a long-term federal contract. The ideal candidate will eligible for Public Trust Tier 2 clearance and possess stron

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Full-time

Depends on Experience

Information Technology - Developer-Java/J2EE Professional

McLean, Virginia

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Today

Job#: 2084218 Job Description: Job Title: Senior Java/Python Developer About the Role We are seeking a confident, self-motivated developer to contribute to the design, development, testing, and support of enterprise-level applications. This role involves working across Java/J2EE and Python platforms, integrating modern frameworks and tools to deliver high-impact solutions. The position includes responsibilities in project delivery, technical leadership, and production support. Key Responsibil

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Full-time

Senior IT Big Data Developer - Washington, DC

Washington, District of Columbia

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Today

Position: Senior IT Big Data DeveloperLocation: Washington, DCDuration: 6 Months+ THIS IS A ONSITE ROLE WASHINGTON, DC Key Responsibilities:Design and develop high-performance big data applications using cloud-native and hybrid architectures.Build and optimize automated ETL/ELT pipelines that handle large volumes of structured and unstructured data (terabyte-scale), ensuring performance, scalability, and fault tolerance.Work with both cloud-based data platforms (e.g., Amazon Redshift, Databricks

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Contract

$60,000 - $100,000

IT .Net Developer in Remote ()

Washington, District of Columbia

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Today

Hi, Please go through the Jd and reply me ASAP IT Developer (.Net Developer) REMOTE Mostly. Note: if Client need onsite, Candidate should be ready to go without any Travel Expenses to Washington DC. Ideal Candidate will be with: Full stack (Front End & Backend(C#+Python)), AWS Cloud, Oauth 2 Authentications, And Migrations from Legacy ASP.net Webforms to ASP.Net MVC along with AWS Certified Developer Certification & Federal Experience Preferred The IT Developer will be responsible for provid

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Full-time, Contract, Third Party

Senior Staff IT Developer

Remote or Illinois

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Yesterday

The Staff/Senior Staff IT Developer (Application Security) will design and secure internal applications, conduct security code reviews, perform penetration testing, and collaborate with cross-functional teams in an Agile environment. Key Responsibilities: Design secure, scalable IT solutions focused on performance. Conduct security code reviews for quality and best practices. Identify and remediate vulnerabilities (e.g., XSS, SQLi, CSRF, SSRF). Perform web app penetration testing (manual/automa

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Third Party

$60-70/hr

Senior Web Application Developer

Hybrid in Washington, District of Columbia

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Today

Optima Global Solutions Inc.is a valuable IT Services and Solution provider that customers, employees, and stakeholders feel proud to be associated with. Optima's Intelligent Automation Solutions leverage robotic process automation, intelligent data capture, and business process management best practices to streamline operations. Our IT Services practice provides organizations with highly personalized, comprehensive, U.S. based recruiting services supported by our internal onsite team of subject

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Contract

BASED ON EXPERIENCE

Junior IT Operations Support Specialist

Hybrid in Washington, District of Columbia

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28d ago

Job details Hekima is a collaborative network of elite professionals established by IT veterans. Our goal is to bridge the gap between having a good job and a great career by providing opportunities that will help develop and refine the skills of the IT professionals within our network. We are actively seeking a Jr IT Operations Support Specialist who will exemplify Hekima s culture and mission. About the company At Hekima, we are guided by the conviction that the true measure of a company s st

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Full-time

Depends on Experience

Information Technology - Developer-Full Stack Specialist

McLean, Virginia

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Today

Job#: 2073711 Job Description: We are hiring a Developer-Full Stack Specialist! Role: Appian Developer Lead Supporting: Large Financial Services Client Location: Onsite - McLean, VA Position Description: Are you passionate about leading innovative BPM solutions and driving enterprise integrations? As an Appian Developer Lead, youll manage a dynamic team of seven developers, design cutting-edge integrations, and provide technical leadership for BPM solutions using Appian. Youll ensure adheren

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Full-time

Wireless/MDM IT Support Engineer

Alexandria, Virginia

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Today

job summary: Job Overview: We are seeking a skilled Support II Engineer to assist with wireless and mobile device management (MDM) tasks. The ideal candidate will have experience troubleshooting and supporting mobile devices, administering MDM platforms like AirWatch, and working with iOS and Android operating systems. This role will provide hands-on support for end users, assist in mobile infrastructure projects, and document issues using the City's Sherwell Help Desk System. Key Responsibilit

Contract

USD34 - USD40

IT Engineer/F2F Required/10+ Years

Hybrid in Reston, Virginia

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9d ago

IT Engineer/F2F Required/10+ Years Reston, VA Duration: Long term Description: IT Engineer IV plans and executes Highly complex software engineering development projects, utilizing advanced software and hardware engineering principles, software architecture, as well as various standards such as CCITT, OBF, ISO. Uses both hardware and software engineering expertise to apply theoretical principles and methodologies to accomplish complex software engineering assignments. Responsible for project pl

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Contract, Third Party

Depends on Experience

AI Technical Advisor

Bethesda, Maryland

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Today

Job ID: 2507427 Location: BETHESDA, MD, US Date Posted: 2025-07-10 Category: Information Technology Subcategory: Data Scientist 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 is seeking an Artificial Intelligence Technical Advisor to support a fast-paced, dynamic environment. In this role, you will work closely with Intelligence Community (IC) governm

Full-time

USD 200,001.00 - 240,000.00 per year

Developer-Full Stack Senior

McLean, Virginia

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Today

Genesis10 is currently seeking an Information Technology - Developer-Full Stack Senior with our mortgage loan corporation client in their McLean, VA location. This is a 6-month contract and full-time onsite position. Summary: Client's Financial Engineering team is seeking Senior Python Developer for a large strategic financial project. The position is focused on python development of components for a software application platform that produces enterprise level reporting based on financial stat

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Full-time

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IT Developer jobs in Washington, DC, USA