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Hybrid in McLean, Virginia

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Today

Senior Backend Java Engineer (GraphQL Migration Expert)Location: McLean, VA (Candidates must currently live in the area no relocation) About the Role We''re seeking a hands-on Senior Backend Java Engineer to drive the migration of REST-based microservices to GraphQL endpoints on our modern CORE platform. This is an active coding role (not tech lead or architect), focused on collaborating with GraphQL API partners for field mapping, query construction, and ensuring data integrity/response time p

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Contract

55 - 60

Lead Java Developer ((GraphQL)

Remote

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Today

Lead Java Developer - SSPP Solutions Position Summary: We are seeking a highly experienced and strategic Lead Java Developer to architect, lead, and deliver scalable microservice-based solutions in a cloud-native environment. This role requires deep technical expertise, strong leadership, and a proven track record in enterprise-scale systems-preferably within the telecommunications industry. Key Responsibilities: Architect and lead the development of robust Java-based microservices using Sprin

Full-time

Senior Full Stack Developer

Hybrid in McLean, Virginia

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Today

Job Number: R0236685 Full Stack Developer, Senior 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 co

Full-time

USD 86,800.00 - 198,000.00 per year

Full Stack Developer

Rockville, Maryland

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Today

Software Guidance & Assistance, Inc., (SGA), is searching for a Full Stack Developer for a CONTRACT assignment with one of our premier Regulatory clients in Rockville, MD. Responsibilities : Design and develop full stack applications supporting regulatory workflows, data analysis, and reporting Build performant, secure RESTful and GraphQL APIs using modern backend frameworks (Java/Spring Boot) Basic Knowledge of Python/FastAPI is a bonus Develop responsive, accessible frontends using Angul

Contract

USD 75.00 - 80.00 per hour

Lead GraphQL Java Python Engineer

Rockville, Maryland

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Today

Description: Hybrid 3 days onsite / 2 days remote in Rockville, MD Our client seeks a Lead Software Engineer to integrate COTS platforms with internal systems that support investigations. The role centers on GraphQL API design, integration architecture, and middleware for secure and reliable data exchange. The engineer will lead vendor collaboration, mentor peers on best practices, and ensure performance, scalability, and maintainability. The environment includes Java, Python, Oracle, SQL Serv

Contract

Front End Software Developer - TS/SCI with Polygraph

McLean, Virginia

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Today

Type of Requisition: Regular Clearance Level Must Currently Possess: Top Secret SCI + Polygraph Clearance Level Must Be Able to Obtain: Top Secret SCI + Polygraph Public Trust/Other Required: None Job Family: Software Engineering Job Qualifications: Skills: Bootstrap (Front-End Framework), Front-End Development, React.js Certifications: None Experience: 8 + years of related experience ship Required: Yes Job Description: We are seeking a Front-End Software Engineer with extensive experien

Full-time

USD 138,063.00 - 186,791.00 per year

Senior Full Stack Developer- Python/Java/Angular

Rockville, Maryland

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Today

Software Guidance & Assistance, Inc., (SGA), is searching for a Senior Full Stack Developer (Python OR Java & Angular) for a CONTRACT assignment with one of our premier Regulatory clients in Rockville, MD. Responsibilities : Design and develop full stack applications supporting regulatory workflows, data analysis, and reporting Build performant, secure RESTful and GraphQL APIs using modern backend frameworks (Java/Spring Boot) Basic Knowledge of Python/FastAPI is a bonus Develop responsiv

Contract

USD 85.00 - 90.00 per hour

Software Engineer

Arlington, Virginia

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Today

Job ID: 2611474 Location: Arlington, VA, US Date Posted: 2026-04-15 Category: Software Subcategory: SW Engineer Schedule: Full-Time Shift: Day Job Travel: Yes - 10% of the time Minimum Clearance Required: Secret Clearance Level Must Be Able to Obtain: None Potential for Remote Work: ORA_REMOTE Description SAIC has an immediate need for a Mid to Senior Full Stack Software Engineer with expertise in Java, C#, React and NiFi to support the Department of Defense (DoD) with the Defense Rea

Full-time

Principal Software Engineer (Guest Communications Platform)

Bethesda, Maryland

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Today

Job Description The Principal Engineer, Guest Communications Platform serves as the technical authority and hands-on architectural leader for Marriott's next-generation Guest Communications Platform. This role is responsible for defining, governing, and evolving a cloud-native, event-driven, provider-agnostic communications platform that reliably delivers Email, SMS, Chat, and future channels to Bonvoy members and hotel guests globally. This is a hands-on individual contributor role with broad

Full-time

React Developer

Remote

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Today

Title : UI React DeveloperLocation : REMOTEDuration : Long TermMust : React & Node WHAT YOU LL BE DOING:Design and build new features into one of the most advanced interfaces on the webKeep our product up to date with the latest frontend technologies such as React, Node and ES2015+Practice disciplined software engineering (e.g. automated testing, code reviews, and writing beautiful, pragmatic code)Actively contribute to team and company standardsMentor junior team membersWHAT YOU NEED :Strong Ja

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Third Party, Contract

Depends on Experience

Software Engineer Sr C/C++

Manassas, Virginia

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Today

Job Description Who we are Lockheed Martin is a global leader in aerospace, defense, and technology solutions. Our Manassas campus is a thriving center of engineering expertise, fostering a culture that encourages creativity, excellence, and the creation of exceptional products. Our team is made up of dedicated professionals who are passionate about pushing the boundaries of what's possible. What We're Doing At Lockheed Martin, we're at the forefront of cutting-edge technology and innovation.

Full-time

USD 93,200.00 - 164,450.00 per year

FLEX Senior Software Engineer

Bethesda, Maryland

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Today

Job Description This is a temporary position JOB SUMMARY The GraphQL API team at Marriott believes they can improve the digital experience of millions of guests around the globe. They also believe they can improve the engineering experience for their team and other Marriott associates. We believe we can do that by challenging the status quo to find the best ways possible to deliver and enjoy a digital experience. We are seeking a highly engaged and motivated JavaScript Engineer who is passio

Full-time

USD 48.26 - 87.16 per hour

Principal (Director-level) Full-Stack Software Development Engineer

Remote

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3d ago

Summary Description We are seeking a highly experienced and innovative Principal (Director Level) Software Development Engineer to lead the application architecture, design, development, delivery of next-generation digital applications (including Reporting and financial solutions), and optimization of scalable, secure, and high-performance solutions leveraging AI across all major cloud platforms (AWS, Azure, and Google Cloud Platform). This role requires deep technical expertise, AI-enabled solu

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Contract

Depends on Experience

Senior Director, Software Engineering

Bethesda, Maryland

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Today

Job Description JOB SUMMARY: Provides application development leadership for the implementation of key technology initiatives that drive Marriott International's GraphQL Platform strategy in a fast-paced, mission critical environment. This role will be responsible for building and advancing Marriott's platform in alignment with our core business objectives and enterprise architecture principles. Fosters innovation and manages the application development team with a focus on promoting customer s

Full-time

FLEX Senior Software Engineer- Performance Engineering

Bethesda, Maryland

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Today

Job Description JOB SUMMARY The GraphQL Performance Engineering team at Marriott is dedicated to improving the digital experience for millions of guests worldwide while also enhancing the engineering experience for teams across Marriott. We achieve this by challenging the status quo and driving innovative approaches to deliver fast, reliable, and scalable digital solutions. We are seeking a highly engaged and motivated Performance Engineer who is passionate about optimizing system performance

Full-time

USD 48.26 - 87.16 per hour

Director, Application Development - Platform Apps

Bethesda, Maryland

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Today

Job Description JOB SUMMARY: Come join a dynamic Core Platform Engineering team. Lead the team of dedicated engineers to continue to enhance, evolve and innovate Marriott's Core Platform, as well as oversee the day to day application development projects for various on property stay experience Mobile/iPad/Tablet applications. This role is pivotal in delivering seamless, intuitive, and high-performance digital experiences that elevate guest engagement and operational efficiency across our hospit

Full-time

USD 126,900.00 - 211,000.00 per year

Senior Staff Backend Software Engineer, GraphQL

Remote

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Today

Airbnb was born in 2007 when two hosts welcomed three guests to their San Francisco home, and has since grown to over 5 million hosts who have welcomed over 2 billion guest arrivals in almost every country across the globe. Every day, hosts offer unique stays and experiences that make it possible for guests to connect with communities in a more authentic way. The Community You Will Join: Viaduct is a unified data access layer connecting most of Airbnb's online data. More than 70% of Airbnb's A

Full-time

USD 244,000.00 - 305,000.00 per year

Director, Full Stack Engineering

McLean, Virginia

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Today

Job Title: Software Engineering Director Location: Mclean, VA (Fully Onsite) Duration: Contract TO HIRE Job id - 176390 Must Have Qualifications: Overall 10+ years of hands-on software development experience including, Java, .Net, Python, Cloud- AWS, Microservices, Kubernetes, Angular- last 5 years of versions in all. 7-8 years of leadership experience and people management skills, including leading, mentoring, and influencing developers. Position Overview: We are seeking a highly skilled Sof

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Full-time

Compensation information provided in the description

Systems Engineer

Bethesda, Maryland

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Today

Leidos has an exciting opening for you, as our next TS/SCI cleared Systems Engineer, to play a critical role with design, engineering, development and deployment of software supporting the DIA-NMEC (National Media Exploitation Center) DOMEX Technology Platform (DTP). Under this 10-year contract containing multiple Task Orders, we support the DOMEX Data Discovery Platform (D3P) Modernization program as well as DIA-OSIC's mission to centralize and standardize Tasking, Collection, Processing, Explo

Full-time

USD 131,300.00 - 237,350.00 per year

Java Kotlin Developer

Remote

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16d ago

Specific callouts: Past Paypal/Venmo experience favored.Finance industry experience is critical.Apple/Google/Samsung pay experience is favored.Device Tokenization experience is appreciated but not a deal breaker if missing.We have reached out to Venmo for a kickoff call to be scheduled next week. I don't know when that will get finalized but we hope to have some resumes on hand by mid next week if possible. Send Jim, Olive, me an email if you have any questions relating to this effort. One of us

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Contract

$60 - $80

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