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McLean, Virginia

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Today

The Senior Application Developer is responsible for ensuring the stability, support, and continuous modernization of critical enterprise applications that underpin core business operations. This role will serve as the primary technical owner of a mission-critical legacy environment built on the Microsoft stack, which includes the .NET Framework, SQL Server, and IIS. The developer will ensure reliable daily operations while helping to transition the system to modern architecture and development p

Full-time

Senior Application Developer

Washington, District of Columbia

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Today

About us: Essnova Solutions is one of the fastest-growing federal contractors in the U.S., supporting over 40 federal agencies. We specialize in IT services, digital transformation, artificial intelligence, cloud, and systems integration. Our high-performance culture values ownership, speed, and bold execution. Essnova takes full responsibility for our contracts, aligning our work closely with our clients' strategic mission and objectives. Our commitment to clear communication and mission-driven

Full-time

Senior Application Developer

Hybrid in Washington, District of Columbia

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Today

Job Number: R0240024 Application Developer, Senior The Opportunity: At a certain point, experience -based system design can start to look like clairvoyance. When you've developed so many systems that you can not only orchestrate the best solution for any technology-based challenge, but you can also anticipate and preempt future issues, you're a solutions architect. You've evolved your skills into strategy through a long path of sof t war e development accomplishments and the curiosity to unders

Full-time

USD 86,800.00 - 198,000.00 per year

Senior Application Developer

Hybrid in Washington, District of Columbia

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Today

Job Number: R0240277 Application Developer, Senior The Opportunity: At a certain point, experience -based system design can start to look like clairvoyance. When you've developed so many systems that you can not only orchestrate the best solution for any technology-based challenge, but you can also anticipate and preempt future issues, you're a solutions architect. You've evolved your skills into strategy through a long path of sof t war e development accomplishments and the curiosity to unders

Full-time

USD 86,800.00 - 198,000.00 per year

Senior Application Developer - Java, Capital Markets

Hybrid in Washington, District of Columbia

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14d ago

Role: Developer Premium Location: Washington, DC 20433 Duration: 6 Months Long Term Hybrid Onsite: 4 days per week from Day 1, with a full transition to 100% onsite anticipated soon Required Skills / Responsibilities 10+ years of experience in Java development with solid knowledge of object-oriented design principles and enterprise application development.Recent hands-on development experience in Python.Extensive experience with Spring Framework and Spring Boot for building scalable microservic

Easy Apply

Third Party, Contract

Depends on Experience

Senior Application Developer / Atlassian Solutions Engineer

Germantown, Maryland

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Yesterday

Senior Application Developer / Atlassian Solutions Engineer Lemont, IL / Oak Ridge, TN / Germantown, MD (Hybrid/Onsite as Needed) Long term Contract Senior Application Developer / Atlassian Solutions Engineer with deep expertise in Atlassian (Jira & Confluence), Identity & Access Management (IAM), and enterprise application development. This individual will lead Atlassian Cloud migration efforts, develop custom solutions, modernize enterprise applications, and provide technical leadership across

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Contract, Third Party

Depends on Experience

Senior Application Developer AWS & Guidewire Policy-Dallas TX***CAN BE REMOTE***Immediate Interview-HCL

Remote or Dallas, Texas

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Today

Position: Senior Application Developer AWS & Guidewire Policy Location: Dallas TXCAN BE REMOTE Duration: 1 Years Job Description: Senior level resource with an applications engineering background developing micro services who also has at least 3-5 years of AWS experience (strong public cloud) in addition to PNC policy experience (Guidewire domain experience is a major win). They must have an architectural mindset and be able to drive application solutions and bring different perspectives to t

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Contract

Senior Java Application Developer

Merrifield, Virginia

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29d ago

Title: Senior Java Application Developer Location: Vienna,VA Employment Type: Contract Compensation: Pay Range: $75.00-$80.00 Per HR Description: Join our team as a Senior Java Application Developer in a remote, contract position. You will design, develop, and enhance complex software applications, focusing on integrating distributed applications with core banking platforms. This role requires expertise in software development, including deep knowledge of various programming languages and fra

Easy Apply

Contract, Third Party

$75 - $80

Senior .Net Application Developer

Vienna, Virginia

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29d ago

Title: Senior .Net Application Developer Location: Vienna,VA Employment Type: Contract Compensation: Pay Range: $75.00-$80.00 Per HR Description: This remote contract position involves designing and developing complex software applications. The role requires expertise in a widely-used technology stack, focusing on building scalable applications, APIs, and microservices. The candidate will work closely with various teams to deliver secure and reliable solutions. Key Responsibilities Design, d

Easy Apply

Third Party, Contract

$75 - $80

Senior Application Developer

Remote or Hybrid

•

Today

Location: Remote Role Duration: 1+ Year Required Qualifications: Strong experience developing, refactoring, documenting, and sustaining secure Java and Spring Boot applications. Experience developing or sustaining ReactJS applications. Experience building REST APIs, application-layer configurations, and secure reusable services. Experience correcting defects identified during integration testing, regression testing, production verification, or release readiness. Experience preparing release pac

Easy Apply

Contract, Third Party

Senior Web Application Developer

Washington, District of Columbia

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Today

Overview The Web Application Developer is responsible for designing, testing, and developing well-designed web-based software code that is testable and efficient, using best software development practices to meet user needs. This role involves recommending software upgrades for current and future systems, translating User Interface (UI)/User Experience (UX) design wireframes, ensuring software continues to function normally through software maintenance and testing, and documenting every aspect

Full-time

USD 100,000.00 - 137,000.00 per year

Senior Application Developer (Merlin.NET)

Remote

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24d ago

Must-have qualifications (minimum 5 years EACH resume must explicitly state years):1. Microsoft ASP.NET web application development2. Team Foundation Server (TFS)3. Object-oriented development4. SQL Server database design & analysis5. SQL queries, stored procedures, and database scripts6. Test cases, test scripts, and defect documentation7. Merlin .NET solutions critical, hardest to find8. Medical / healthcare / epidemiology software support9. Deploying to test and production environments10. S

Easy Apply

Contract

50 - 60

Senior Atlassian Application Developer/Jira Cloud Migration Lead

Hybrid in Germantown, Maryland

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28d ago

Senior Atlassian Application Developer / Jira Cloud Migration Lead Location: Lemont, IL, Oak Ridge, TN, or Germantown, MD Duration: July 2026 February 2027 Must have any level of security clearance Position Overview The selected candidate will lead Jira and Confluence cloud migration efforts, provide Identity and Access Management (IAM) expertise, and support the development and maintenance of enterprise collaboration solutions. This role requires a strong combination of Atlassian platform expe

Easy Apply

Contract

Depends on Experience

Senior Application Developer - Backend Focus (Remote)

Remote

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Today

Job Description Oracle Health is transforming the future of healthcare by building secure, scalable, AI-enabled healthcare platforms that improve patient outcomes, reduce administrative burden, and enable healthcare organizations to operate more efficiently. As part of Oracle's broader cloud and AI strategy, Oracle Health combines industry-leading healthcare applications, electronic health records (EHR), healthcare data platforms, and Oracle Cloud Infrastructure (OCI) to create the next generat

Full-time

USD 89,200.00 - 209,500.00 per year

Senior Mobile App Developer

Falls Church, Virginia

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Today

Overview At CheckVideo, we are transforming video security with our AI-enabled cameras. Thousands of customers depend on us every day for mission-critical security, delivered through cloud infrastructure. This is a hybrid position out of Falls Church, VA that offers an opportunity to work on the cutting edge of technology with a great team and make meaningful contributions every single day. We are looking for an experienced Software Engineer responsible for software architecture, design, develo

Full-time

Lead Application Developer

McLean, Virginia

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Today

Revolutional delivers advanced technology solutions and mission support to federal agencies across civilian, health, and national security environments. We apply modern capabilities, including AI/ML, cloud, cybersecurity, and IT modernization to solve complex challenges, enable faster and more secure operations, and drive measurable mission outcomes. We are redefining how federal technology gets built and delivered by operating with a product mindset, prioritizing speed, ownership, and execution

Full-time

Web Application Developer, Senior

Washington, District of Columbia

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Today

Overview AMERICAN SYSTEMS, a 100% employee-owned federal government contractor, is seeking a Senior Web Applications Developer to support mission-critical initiatives at Joint Base Anacostia-Bolling (JBAB), Washington, DC. In this role, you will lead the modernization, enhancement, and maintenance of secure web applications that support data-driven decision-making and operational effectiveness. The ideal candidate brings deep experience in React.js, Node.js, JavaScript, HTML, CSS, SQL, and REST

Full-time

USD 155,000.00 per year

Application Developer Senior

Germantown, Maryland

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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 91,300.00 - 184,900.00 per year

Lead Application Developer

Suitland-Silver Hill, Maryland

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Today

Lead Application Developer At B&A, we foster and embrace a distinct set of values that we live by and instill in all aspects of our organization: dedication, commitment, partnership, trust, and recognition. We have incorporated these values into successful delivery for our customers since 1988. B&A believes in ensuring its employees feel deeply connected to B&A, recognizing successes and hard work, and providing continuous opportunities to learn and grow. Our people are entrepreneurial thinkers

Full-time

Application Developer Senior

Stafford, Virginia

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Today

Req ID: 40772 Summary Application Developer Senior Stafford, VA Are you ready to enhance your skills and build your career in a rapidly evolving business climate? Are you looking for a career where professional development is embedded in your employers core culture? If so, Chenega Military, Intelligence & Operations Support (MIOS) could be the place for you! Join our team of professionals who support large-scale government operations by leveraging cutting-edge technology and take your career

Full-time

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