Web Services jobs in Ashburn, VA

Washington, District of Columbia

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Today

TECHNOGEN, Inc. is a Proven Leader in providing full IT Services, Software Development and Solutions for 15 years. TECHNOGEN is a Small & Woman Owned Minority Business with GSA Advantage Certification. We have offices in VA; MD & Offshore development centers in India. We have successfully executed 100+ projects for clients ranging from small business and non-profits to Fortune 50 companies and federal, state and local agencies. Position: Genesys Cloud Developer Location: Washington,DC(Hybrid)

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Contract

$DOE

Sr SDET

Hybrid in Reston, Virginia

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6d ago

Senior SDET (Automation Testing) | Hybrid | Reston, VAWe are seeking a Senior Software Development Engineer in Test (SDET) with strong expertise in UI, Web Services, and Mobile Test Automation to support a high-impact technology team. This is a short-term contract opportunity through the end of the year, requiring local candidates in the DMV area who can work onsite in Reston, VA as needed. Location Hybrid: Reston, VA (onsite every other week and as needed) Local DMV candidates onlyKey Responsib

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Contract

$75

Senior FullStack Developer - Java & Python- Local to VA

McLean, Virginia

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7d ago

Senior Full Stack Developer - McLean, VA - Long Term ContractFace to Face Interview in McLean, VAMust Have: A minimum of 7-10 years of experience in Design and Development of Applications and Web Services using Python, JAVA. Strong and extensive knowledge on Python, Spring-Boot, and SQL development. 5+ year of presentation frameworks experience - Angular or NodeJS similar frameworks, and jQuery. 5+ years of experience on PostgreSQL Databases, SQL Server query and performance tuning. 3+ years of

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Contract, Third Party

60 - 70

Systems Architect/Technical Lead- Web Services

Bethesda, Maryland

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Today

Overview CVP is seeking a Systems Architect / Technical Lead to serve as the technical authority for NIH Web Services, which operates the NIH Enterprise Service Bus and SOA platform via MuleSoft Anypoint Platform and CloudHub. The platform handles approximately 44 million API hits annually and operates under FedRAMP Moderate controls. Responsibilities Provide technical authority for MuleSoft/ESB/SOA architecture and API-led connectivity design Lead security/ATO alignment, FedRAMP Moderate comp

Full-time

USD 160,000.00 - 180,000.00 per year

Applications Developer - SME

Sterling, Virginia

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Today

Nightwing provides technically advanced full-spectrum cyber, data operations, systems integration and intelligence mission support services to meet our customers' most demanding challenges. Our capabilities include cyber space operations, cyber defense and resiliency, vulnerability research, ubiquitous technical surveillance, data intelligence, lifecycle mission enablement, and software modernization. Nightwing brings disruptive technologies, agility, and competitive offerings to customers in th

Full-time

USD 122,000.00 - 253,000.00 per year

DevOps Engineer

Chantilly, Virginia

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Today

At Accenture Federal Services, nothing matters more than helping the US federal government make the nation stronger and safer and life better for people. Our 13,000+ people are united in a shared purpose to pursue the limitless potential of technology and ingenuity for clients across defense, national security, public safety, civilian, and military health organizations. Join Accenture Federal Services, a technology company within global Accenture. Recognized as a Glassdoor Top 100 Best Place to

Full-time

USD 111,800.00 - 221,800.00 per year

Full Stack Developer

Hybrid in Merrifield, Virginia

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10d ago

Full Stack Developer Location: Vienna VA -Hybrid - 1-2 days on site Pay Rate: Open to Both C2C and W2 options Position Type: Multiyear Contract Basic Purpose To support software development organizational initiatives by designing and implementing new or modifying existing systems/applications. Responsibilities 1. Identifies, analyzes, designs, and maintains cost-effective information technology solutions that align with business initiatives and corporate strategies. o Works with customers (bus

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Contract

Depends on Experience

Sr. Software Development Engineer, S3, S3

Herndon, Virginia

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6d ago

Amazon Simple Storage Service (S3) is storage for the Internet. Through the use of pioneering techniques in distributed computing, developers are able to durably store their data on Amazon's proven computing infrastructure to achieve virtually limitless storage capacity at minimal cost. Amazon S3 provides a simple web services interface that can be used to store and retrieve any amount of data, at any time, from anywhere on the web. It gives any developer access to the same highly scalable, reli

Full-time

USD 168,100.00 - 227,400.00 per year

Software Engineer

Bethesda, Maryland

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Today

About Employee Navigator Employee Navigator is a fast-growing, profitable SaaS company that partners with leading insurance carriers, payroll providers, and insurance brokers to help make managing employee benefits and HR a whole lot easier. Our platform simplifies the day-to-day work behind benefits administration, employee onboarding, and other HR tasks. As the leading broker-focused platform we serve more than 180,000 companies and over 14 million employees around the country. We're also hono

Full-time

USD 80,000.00 - 180,000.00 per year

Software Developer

Fairfax, Virginia

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11d ago

External Description Software Developer position, focused on Informatica technologies, as part of the service management development team in ACI's IT Infrastructure Services organization. This exciting position will leverage the power of Informatica tools to extract, transfer, cleanse, and load critical asset data into ACI's service management tools and databases. Analyzes business requirements/processes and system integration considerations to determine appropriate technology solutions. Designs

Full-time

USD 150,000.00 per year

Lead Java Backend Engineer - AWS Cloud Migration

Hybrid in Reston, Virginia

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7d ago

Lead Software Engineer Location: Reston, VA (Hybrid) Duration: Contract through end of year (extension possible) Candidates must reside in the DMV area. OverviewWe are seeking a Senior Java Backend Developer to support a major AWS cloud migration initiative. This role is ideal for an experienced engineer with deep expertise in Java, Spring Framework, Microservices, AWS Migration, and enterprise-level backend development. The selected candidate will play a key role in designing, developing, and

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Contract

$88.64

Sr Software Engineer – Java & APIs (Night Shift)

Hybrid in Reston, Virginia

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18d ago

Job Title: Java Developer - Night Shift Location: Reston, VA Type: Contract to Hire Compensation: $79/HR Work Model: Hybrid onsite and remote Overview Important Requirements (Please Read Before Applying) Night shift role (final schedule assigned after onboarding) Rotating weekend coverage required Onsite interview required 2 to 3 weeks onsite training requiredThis is a hands on engineering plus production support role supporting high visibility, mission critical systems. About the RoleWe a

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Contract

Depends on Experience

Software Engineer

McLean, Virginia

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Today

Overview Provides engineering and programming support to projects and infrastructure support activities. Designs, develops, and modifies enterprise applications in a web environment, including general computer applications and specialized utility programs. Analyzes user and business needs, develops software solutions, and designs or customizes software to optimize operational efficiency. The Software Engineer may analyze and design databases within an application area, coordinate database deve

Full-time

Drupal Developer with AI/GenAI Experience

Washington, District of Columbia

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5d ago

Position: Drupal Developer with AI/GenAI Experience Location: Washington, DC Fully Onsite Background Check: Mandatory (Candidate must have been in the U.S. for at least 3 years) Interview Process: Requires strong technical expertise Only location candidates can apply. Requirements 8+ years of Drupal development experience, preferably with Drupal 9/10/11. Strong hands-on experience with PHP, Symfony, Drupal APIs, custom module development, Composer, and Drush. Strong experience with REST AP

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Full-time, Contract, Third Party

Senior Software Engineer

Frederick, Maryland

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Today

Full-time

USD 80,000.00 - 180,000.00 per year

Senior .NET Developer

Poolesville, Maryland

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Today

Andworx is seeking a Senior .NET Developer to play an important role in the development of mission and operational applications for a federal government agency. As Senior .NET Developer, you will be working on an Agile team that develops enterprise web applications using technologies that include ASP.NET, .NET CORE, .NET 6, MVC, Entity Framework, and Oracle and Azure DevOps. You will work with a team of developers, testers, business analysts, and stakeholders to develop solutions to customer req

Full-time

Senior Software Developer

Chantilly, Virginia

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Today

Leidos is seeking a Senior Software Developer-SME for a 200+ FTE technical development program supporting the Sponsor's Web-based applications. The Software Developer will work with a large team of developers, DevOPS engineers, security engineers, systems engineers, and data engineers. The developer will be full stack knowledgeable, but will likely be focused on technical backend work (e.g., web services). The candidate must have 6-10 years of demonstrable developer experience with a backend em

Full-time

USD 107,900.00 - 195,050.00 per year

Full Stack Developer (Java and Python)

McLean, Virginia

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21d ago

Senior Full Stack Developer - McLean, VA - Long Term Contract Must Have: A minimum of 8-10 years of experience in Design and Development of Applications and Web Services using Python, JAVA. Strong and extensive knowledge on Python, Spring-Boot, and SQL development. 5+ year of presentation frameworks experience - Angular or NodeJS similar frameworks, and jQuery. 5+ years of experience on PostgreSQL Databases, SQL Server query and performance tuning. 3+ years of hands-on experience in Micro-

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Third Party, Contract

Depends on Experience

Sr Java Developer

McLean, Virginia

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Today

Sr Java Developer McLean, VA Hybrid Federal background Checks Min 10+ yrs genuine exp. Candidate should have/be: Strong analytical skills.Be able to reason with and communicate ideas they bring to the table.Be open minded for others ideas. A motivated team player.Have experience using at least one Coding Agent enabled IDE (e.g. VSCode, Amazon Kiro)Have experience working with atleast AI Coding Agents (e.g. Claude Code, Codex) Strong proficiency Databases Very Good understanding of RDBMS (e.g.

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Contract

55 - 60

Java Full-Stack Developer Senior

Ashburn, Virginia

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Today

Job ID: 2613973 Location: Ashburn, VA, US Date Posted: 2026-06-24 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: ORA_ON_SITE Description SAIC is currently seeking a motivated, career and customer-oriented Java/JEE Developer (Journeyman) to join our team to begin an exciting and challenging career in Ashburn, VA. Job Responsibilities

Full-time

USD 120,001.00 - 160,000.00 per year

Web Services jobs in Ashburn, VA, USA