Mid-Level Application Developer Jobs in Rosslyn, VA

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Web Content Editor/Mid-level Developer

Omm IT Solutions

Washington, District of Columbia, USA

Full-time

Please Note: This is an On-Site position. About the role: The Web Content Editor writes and maintains the web page code; analyzes and implements best coding practices into the project code. The Web Content Editor analyzes user and technical requirements of the project and adapts the code in line with them. The role requires developing quality assurance procedures for software projects and executing and implementing software tests. RequirementsBasic Qualifications: More than 4 years of experien

Mid Level Mechanical (Marine) Engineer

Amentum

Washington, District of Columbia, USA

Full-time

Amentum is currently seeking qualified candidates to Mid-Level Mechanical (Marine) Engineers to support a NAVSEA Contract and be a member of the Marine Engineering Group. The Marine Engineering Group is the Navy's technical authority for machinery systems for all surface ships, aircraft carriers and submarine classes - including but not limited to developing and designing, evaluating and assessing, analyzing and establishing standards and risks, and demonstrating and implementing new marine syst

DARPA Mid Level Scientist & Engineer

Amentum

Arlington, Virginia, USA

Full-time

Job Description Job Description Amentum is a leading provider of engineering, scientific, and program management support services. We are at the forefront of breakthrough technology development and demonstration programs in multiple areas, including hypersonics, Unmanned Air Vehicle and Autonomous Systems, advanced sensors, propulsion, aircraft and space science systems. Amentum is currently seeking talented, enthusiastic, and dynamic individuals to support DARPA and Space Development Agency i

Software Developer (Jr-Mid Level) ship REQUIRED

CGI Group, Inc.

Fairfax, Virginia, USA

Full-time

Software Developer (Jr-Mid Level) ship REQUIRED Position Description CGI federal is seeking a talented Software Engineer to join our team within our Intel Community. You will be responsible for designing and building data pipelines using Python and AWS cloud infrastructure. This role requires a strong understanding of software development and testing principles and the ability to work effectively with both technical and non-technical stakeholders. CGI Federal is looking for an individual with a

Full Stack Developer Mid-Level

Apex Systems

McLean, Virginia, USA

Full-time

Job#: 2026840 Job Description: Technical Skills Required: Bachelors/master's degree in computer science or engineering or equivalent experience A minimum of 5+ years (for mid-level) / (8+ years for Sr-level) of developer experience Solid understanding of typical multi-tier architectures: web servers, batch, and database Knowledge / hands-on experience on multiple technologies such as: Java, Spring Boot, RESTful APIs, Angular, Node JS, JavaScript, Typescript, HTML 5, and CSS Database technologie

Data Engineer (Python Developer) Jr.-Mid Level TS/SCI with Poly REQUIRED

CGI Group, Inc.

Chantilly, Virginia, USA

Full-time

Data Engineer (Python Developer) Jr.-Mid Level TS/SCI with Poly REQUIRED Position Description CGI federal is seeking a talented Data Engineer to join our team within our Intel Community. You will be responsible for designing and building data pipelines using Python and AWS cloud infrastructure. This role requires a strong understanding of software development and data engineering principles and the ability to work effectively with both technical and non-technical stakeholders. CGI Federal is loo

Ruby Developer - Mid or Senior Level

BAE Systems

Reston, Virginia, USA

Full-time

Job Description We are looking for a solid Developer with solid Ruby skills. This position is a Senior role, but we will look at any level with these skills and the clearance. Must have at least 2 years with Ruby. More would be great! Sign on bonus available for this job! Flexible hours. 9/80 work week might be possible. And our new benefits package is fantastic B.S., M.S., or equivalent certification in Statistics, Mathematics, Computer Science, or highly quantitative field 5-10 years of e

Mid-level UI Developer - React

ADG Tech Consulting, LLC.

Washington, District of Columbia, USA

Full-time

Title: Mid-level UI Developer - React Location: Washington, DC / Hybrid Clearance: Citizenship with the ability to obtain Secret clearance Client: USCIS Responsibilities In this role you will: Conceptualize, Design, Develop, and maintain websites, the designer will design and develop graphics/mock-ups and interfaces according to system specifications.Work with Systems Analysts, Project Managers, and SharePoint Developers/Admins.Create sophisticated, responsive, and device-friendly website (and w

Mid-Level Developer // .NET // Fairfax, VA -Onsite

Motion Recruitment Partners, LLC

Arlington, Virginia, USA

Full-time

An amazing revolutionary company with all you can ask for, is looking for a Mid-Level .NET Developer to join their team! They use the newest technology available to ensure precise and modern services are provided to all vendors plus they are renowned for their organizational culture and work-life balance winning awards in 2016 in 2019 for their success. The ideal candidate will be working with C#/.NET, and Azure. If you are a passionate Developer looking to work hard, then apply today! This posi

Mid Level Database Administrator Developer (MUST HAVE SECRET CLEARANCE)

DANE, LLC

Arlington, Virginia, USA

Full-time

Job Description:At DANE our ability to retain employees is a testament to how we treat, value, and support our incredibly smart, talented, and courageous staff. We offer aggressive PTO from day one, multiple benefits, and learning opportunities to support our employees in being their best.We are looking for a talented, Junior to Mid-level Database Administrator/Developer with strong software and database administration and development skills to join our fast-paced agile team. As a valued team me

Mid - Senior Level Performance Tester (Digital)

Allwyn Corporation

Vienna, Virginia, USA

Contract, Third Party

Job Title: Mid - Senior Level Performance Tester (Digital) Location: Vienna, VA | Pensacola, FL / San Deigo, CA Note: F2F interview is Must Job Description: The Digital Delivery Team develops innovative member and team member experiences that leverage the latest technologies in open source and the Azure cloud. The Digital Delivery Team is responsible for engineering modern web applications to implement a complete UI and micro services for multi device, multi-platform mobile and desktop web appli

Targeter - Mid-level (shift work)

BAE Systems

McLean, Virginia, USA

Full-time

Job Description Is supporting the national security strategy a passion of yours? If you want to use your analytic targeting skills to help protect America, our citizens, and interests, we need YOU! Opportunities are available for skilled analysts/targeters to find, interpret, and provide U.S. Intelligence Community members the critical information they need to make actionable decisions against high priority threats to national security. These positions allow you to play a critical role in int

Mission Manager - Mid-level (Shift work)

BAE Systems

McLean, Virginia, USA

Full-time

Job Description Do you like to make critical decisions in support of the national security strategy of the United States? If you want to use your analytic skills and operational mindset to help protect America, our citizens, and interests, we need YOU! Opportunities are available for skilled mission managers to use your technical, operational, and military experience to develop actionable intelligence for U.S. Intelligence Community members. These positions allow you to use your problem-solvin

Mid-Level SSC/LCAC HM&E Engineer

Serco North America

Washington, District of Columbia, USA

Full-time

Position Description Join Serco as a Ship-to-Shore Connector (SSC) / Landing Craft Air Cushion (LCAC) Mid-Level Hull, Mechanical and Electrical (HM&E) General Engineer. You will be part of a team evaluating and managing the design, construction, testing, and delivery of HM&E equipment, components, or systems onto new amphibious landing craft and sustaining existing fleet assets. Serco supports the U.S. Navy as a prime contractor providing professional support services. We are committed to provi

Mid-level Systems Engineer

Serco North America

Washington, District of Columbia, USA

Full-time

Position Description Join Serco as a Systems Engineer supporting the Expeditionary Sea Base (ESB), Expeditionary Fast Transport (EPF), Submarine Tender (AS(X)), or similar non-combatant Class Ships, Research & Development (R&D) for Maritime Prepositioning Force (MPF), SEALIFT, and Naval Operational Logistics (OPLOG) Technologies. ESB ships are highly flexible platforms that support various military operations such as Airborne Mine Counter Measures (AMCM), Special Operations Force (SOF) operatio

Mid Level Tester

CGI Group, Inc.

Fairfax, Virginia, USA

Full-time

Mid Level Tester Position Description The Health and Compliance group at CGI Federal is looking for Mid-Level Software QA Tester who can be part of a large team in a dynamic and changing environment. Projects include software solution development and maintenance for mission critical applications in the federal healthcare space. This is a full-time opportunity to become a member of a stable, growing organization with $8.5 billion+ in annual revenue CGI features over 73,000+ members in 40 countrie

Mid Level Business Analyst

Amentum

Washington, District of Columbia, USA

Full-time

Amentum is currently seeking qualified Mid-Level Business Analysts to support a NAVSEA Contract and be a member of the Industrial Engineering, Technical Policy and Standards Group. The Industrial Engineering, Technical Policy and Standards Group is the Navy's technical authority for developing and maintaining NAVSEA technical policy, guidance and standards, and providing governance. This group executes technical authority responsibilities throughout the acquisition life cycle by responding to Pr

DARPA Mid Level Scientist & Engineer

Amentum

Arlington, Virginia, USA

Full-time

Job Description Job Description Amentum is a leading provider of engineering, scientific, and program management support services.We are at the forefront of breakthrough technology development and demonstration programs in multiple areas, including hypersonics, Unmanned Air Vehicle and Autonomous Systems, advanced sensors, propulsion, aircraft and space science systems. Amentum is currently seeking talented, enthusiastic, and dynamic individuals to support DARPA and Space Development Agency i

Mid Level Mechanical (Marine) Engineer

Amentum

Washington, District of Columbia, USA

Full-time

Amentum is currently seeking qualified candidates to Mid-Level Mechanical (Marine) Engineers to support a NAVSEA Contract and be a member of the Marine Engineering Group. The Marine Engineering Group is the Navy's technical authority for machinery systems for all surface ships, aircraft carriers and submarine classes - including but not limited to developing and designing, evaluating and assessing, analyzing and establishing standards and risks, and demonstrating and implementing new marine syst

Mid Level Tester

CGI

Fairfax, Virginia, USA

Full-time

Mid Level Tester Position Description The Health and Compliance group at CGI Federal is looking for Mid-Level Software QA Tester who can be part of a large team in a dynamic and changing environment. Projects include software solution development and maintenance for mission critical applications in the federal healthcare space. This is a full-time opportunity to become a member of a stable, growing organization with $8.5 billion+ in annual revenue CGI features over 73,000+ members in 40 countrie