Senior Java jobs in Mclean

*Job Title:** Java Developer (SME – GraphQL) *Location:** Reston, VA (Hybrid – 3 Days Onsite) *Duration:** 12-Month Contract *Job Description:** We are seeking a highly experienced *Java Developer with Subject Matter Expertise (SME) in GraphQL** to join our team supporting strategic initiatives for

Senior Full Stack Developer Job description Laansu has an engaging opportunity for a talented Senior Software Developer to build their career and help save lives on the nation's road infrastructure. The Senior Software Developer will build, and support software products used by the Department of Tra

Role:-Sr. Java Software Developer Duration:-6+ Months Contract to hire Location:-Ashburn, VA-4 Days onsite in a Week JOB DESCRIPTION We are looking for an experienced and hands-on Senior Software Developer with strong coding skills in Java. The ideal candidate will have a robust background in Java d

*Halvik Corp** delivers a wide range of services to 13 executive agencies and 15 independent agencies. Halvik is a highly successful WOB business with more than 50 prime contracts and 500+ professionals delivering Digital Services, Advanced Analytics, Artificial Intelligence/Machine Learning, Cyber

At Agile Defense we know that action defines the outcome and new challenges require new solutions. That’s why we always look to the future and embrace change with an unmovable spirit and the courage to build for what comes next. Our vision is to bring adaptive innovation to support our nation's most

*Title:** AI Engineer-Java *Location:** Tysons, VA or Rockville, MD (Locals preferred) *Duration:** 6 months (Hybrid) *Type:** Contract *Interview Process:** 30-minute screen with Vendor Management office 45-minute tech screen On-site interview 1.5-2 hrs. We are seeking a Backend Software Engineer w

Conceives, designs, and tests logical structure to meet program requirements. Writes programs according to specifications provided. Builds, deploys and maintains programs, Web Site pages and applications. Develops and improves site navigation and applications. Responsible for the design, development

Workstate seeks a Senior GoLang AWS Developer to join our team! In this exciting role, you will develop and manage cloud-based applications using Go and AWS technologies. If you are passionate about building scalable and efficient applications while delivering exceptional value to our clients, you'l

MANTECH seeks a motivated, career and customer oriented Senior Full Stack Developer SME to join our team in Ashburn, Virginia. This position is onsite two days a week. Each day U.S. Customs and Border Protection (CBP) oversees the massive flow of people, capital, and products that enter and depart t

Job Category: Architect Job Type: Hybrid Job Location: District of Columbia Washington Compensation: Depends on Experience W2: W2-Contract Only; Kindly note that applications on a C2C basis will not be considered for this role. Job Description Job Description: As the Senior IT Application System Arc

Description M2 Solutions is seeking a highly experienced Systems Engineer with deep expertise in Microsoft Exchange Server and Windows infrastructure to support enterprise messaging environments. This role will focus on designing, maintaining, and modernizing Exchange environments, including hybrid

In this role, you will design, develop, modify, adapt and implement short- and long-term solutions to information technology needs through new and existing applications, systems, databases and applications infrastructure. You will review and interpret system requirements and business processes. You

Atlas Technologies is seeking a skilled and motivated Appian Solutions Architect to join our dynamic IT team and contribute to design and implementation of complex process automation solutions that bridge the gap between our Appian low-code platform and PeopleSoft ERP. You will be responsible for cr

*At GEICO, we offer a rewarding career where your ambitions are met with endless possibilities.** *Every day we honor our iconic brand by offering quality coverage to millions of customers and being there when they need us most. We thrive through relentless innovation to exceed our customers’ expect

At Freddie Mac, our mission of Making Home Possible is what motivates us, and it’s at the core of everything we do. Since our charter in 1970, we have made home possible for more than 90 million families across the country. Join an organization where your work contributes to a greater purpose. Posit

Description Application deadline: Mar 24, 2026 The Amazon Web Services Professional Services (ProServe) team is seeking a skilled Delivery Consultant to join our team at Amazon Web Services (AWS). In this role, you'll work closely with customers to design, implement, and manage AWS solutions that me

Key Qualifications Technical Skills: Strong proficiency in AI/ML frameworks such as TensorFlow, PyTorch, or Hugging Face. Expertise in model training, evaluation, and deployment. Hands-on experience with AWS tools like SageMaker, Lambda, EC2, and S3. Experience in developing full-stack software appl

Additional InformationBethesda, MD Pay Range: $151,100-$250,900 annually Remote Pay Range: $145,600-$241,800 annually Job Number26034740 Job CategoryInformation Technology LocationMarriott International HQ, 7750 Wisconsin Ave, Bethesda, Maryland, United States, 20814 VIEW ON MAP ScheduleFull Time Lo

Description Providence caregivers are not simply valued – they’re invaluable. Join our team at Enterprise Information Services and thrive in our culture of patient-focused, whole-person care built on understanding, commitment, and mutual respect. Your voice matters here, because we know that to insp

Job Category: QA Job Type: Hybrid Job Location: McLean Virginia Compensation: Depends on Experience W2: W2-Contract Only; Kindly note that applications on a C2C basis will not be considered for this role. Job Description US Work Authorization Requirement: Candidates must be legally authorized to wor