OOP Jobs in District of Columbia

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Hybrid Position: Looking Java BPM Developer in Washington, DC

Visionsoft International

•

Washington, District of Columbia, USA

Contract, Third Party

Job Title: Java BPM Developer Location: Washington, DC (Hybrid Position) Job Summary: The Java / BPM developer is a member of the project team who takes responsibility for implementing parts of the system architecture using best practices. This will include coding, unit and integration testing, using design patterns, and learning new technologies. The candidate will also be expected to provide architectural support, and advice with Business Process Management (BPM) components of the system. Q
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Posted 11 days ago

Swift Developer

KMM Technologies, Inc

•

Reston, Virginia, USA

Third Party, Contract

KMM an ISO 9001:2015, CMMI Level 2 certified company provides high-quality IT consulting services and innovative solutions by using the most effective and modern technologies. We have a core group of Subject Matter Experts with certifications and immense experience in successfully delivering mission-critical solutions. We have extensive industry experience in the financial, insurance, Health IT, media, marketing, retail, and government markets. We have a proven track record in understanding clie
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Posted 52 days ago | Updated 7 hours ago

PowerBuilder Developer (C++/C#/PowerBuilder)

VRTek Consulting

•

Columbia, Maryland, USA

Contract

Justification: Needed to support legacy systems, modernization efforts, and critical transition areas involving PowerBuilder and backend logic. (SFMTA) Experience Level: 5-10 years Job Responsibilities: Maintain, enhance, and support existing PowerBuilder applications that are critical to transit agency operations.Analyze, troubleshoot, and resolve application defects and performance issues in legacy systems.Collaborate with business analysts, end users, and cross-functional teams to gather req
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Posted 20 days ago | Updated 13 days ago

PowerBuilder Developer (C++/C#/PowerBuilder)

Srimatrix Inc.

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Columbia, Maryland, USA

Third Party, Contract

Job Title: PowerBuilder Developer (C++/C#/PowerBuilder) Justification: Needed to support legacy systems, modernization efforts, and critical transition areas involving PowerBuilder and backend logic. (SFMTA) Experience Level: 5-10 years Job Responsibilities: Maintain, enhance, and support existing PowerBuilder applications that are critical to transit agency operations.Analyze, troubleshoot, and resolve application defects and performance issues in legacy systems.Collaborate with business analy
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Posted 18 days ago

C++/C# Developer (Application Integration Support)

ITC Infotech (USA), Inc

•

Columbia, Maryland, USA

Full-time

Greetings from ITC Infotech! Role - C++/C# Developer (Application Integration Support) Location - Columbia, MD Start Date: Immediate Position Type: Full Time + Benefits (medical, 401K, PTO etc) Role Summary: General development support for application-level integrations, bug fixes, and system enhancements across all three initiatives. Job Description: Key Responsibilities: Develop, maintain, and enhance application code using C++ and C# to support ongoing integration, maintenance, and enhancemen
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Posted 24 days ago

PowerBuilder Developer (C++/C#/PowerBuilder)

Alpha Silicon

•

Columbia, Maryland, USA

Third Party, Contract

Title: PowerBuilder Developer (C++/C#/PowerBuilder) Location: Columbia MD Terms: Contract Job Description Justification: Needed to support legacy systems, modernization efforts, and critical transition areas involving PowerBuilder and backend logic. (SFMTA) Job Responsibilities: Maintain, enhance, and support existing PowerBuilder applications that are critical to transit agency operations. Analyze, troubleshoot, and resolve application defects and performance issues in legacy systems. Colla
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Posted 19 days ago | Updated 1 day ago

PowerBuilder Developer (C++/C#/PowerBuilder) - Columbia, MD - Only Locals

Group Nine

•

Columbia, Maryland, USA

Third Party, Contract

Position Title: PowerBuilder Developer (C++/C#/PowerBuilder) Location: Columbia, MD, Only Locals Duration: 6 Months Justification: Needed to support legacy systems, modernization efforts, and critical transition areas involving PowerBuilder and backend logic. (SFMTA) Experience Level: 5-10 years Job Responsibilities: Maintain, enhance, and support existing PowerBuilder applications that are critical to transit agency operations. Analyze, troubleshoot, and resolve application defects and perform
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Posted 19 days ago

Senior Software Engineer

NNData

•

Remote or Reston, Virginia, USA

Full-time

Software/Systems Architect/Engineer NNData Corporation is seeking a cleared Computer Software/Systems Architect/Engineer to support a government intelligence agency contract. Design and execute the technical implementation for infrastructure and cloud computing services. Deliver solution that aligns with the customer s business needs and requirements. Provide design recommendations and assistance to solution deployment team members. Assist in the development of detailed project specifications an
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Posted 24 days ago

Java Developer Senior

SAIC

•

Ashburn, Virginia, USA

Full-time

Job ID: 2507050 Location: ASHBURN, VA, US Date Posted: 2025-07-18 Category: Software Subcategory: SW Engineer Schedule: Full-time Shift: Day Job Travel: Yes, 10 % of the Time Minimum Clearance Required: None Clearance Level Must Be Able to Obtain: Public Trust Potential for Remote Work: Yes Description Position Summary We are currently seeking a motivated, career and customer-oriented Full Stack Java/JEE Developer (Journeyman) to join our team to begin an exciting and challenging care
Posted 3 days ago | Updated moments ago

Senior Software Engineer (.NET)

Costar Group

•

Arlington, Virginia, USA

Full-time

Senior Software Engineer (.NET) Job Description CoStar Group (NASDAQ: CSGP) is a leading global provider of commercial and residential real estate information, analytics, and online marketplaces. Included in the S&P 500 Index and the NASDAQ 100, CoStar Group is on a mission to digitize the world's real estate, empowering all people to discover properties, insights and connections that improve their businesses and lives. We have been living and breathing the world of real estate information an
Posted 18 days ago | Updated 2 hours ago

CNO Python Software Developer

ManTech

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Maryland, USA

Full-time

ManTech seeks a motivated, career and customer-oriented CNO Python Software Developer to join our team in Hanover, Maryland. As a CNO Python Developer on our team, you will design and develop new bleeding edge software. Help protect our national security by leveraging your knowledge in programming and coding with Python to solve difficult problems and design new or improved solutions. Responsibilities include, but are not limited to: Provide specialized testing and evaluation capabilities tail
Posted 38 days ago | Updated 19 hours ago

MaximoArchitect

Get Your Project Ready Private Limited

•

Washington, District of Columbia, USA

Third Party, Contract

Role: Maximo ArchitectLocation: Washington DC (Hybrid) Duration: 6Months 3 Years MOI: Face 2 Face Major Duties and Responsibilities: Support program and project management tasks and document generation, as directed by the WMATA s Maximo Task Manager, to support WMATA software development lifecycle (SDLC) methodology and various asset management related efforts; Manage projects as assigned; Conduct cost/benefit analysis; Present oral/written reports/recommendations; Analyze, design, develop, impl
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Posted 2 hours ago

Senior Full Stack Engineer

Talent Software Services, Inc

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Reston, Virginia, USA

Contract

Senior Full Stack EngineerJob Summary: Talent Software Services is in search of a Senior Full Stack Engineer for a contract position in Reston, VA. The opportunity will be six months with a strong chance for a long-term extension.Primary Responsibilities/Accountabilities: Complex software development including coding, managing small sections of ongoing projects, and closely adhering to deadlines. Creating design specifications, unit testing, and preparing technical documentation. Ensuring relat
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Posted 33 days ago | Updated moments ago

Senior C++ Developer

Infomatics Corp

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Bethesda, Maryland, USA

Contract

Position: Senior C++ Developer Experience: Minimum 5 years Responsibilities: Design, develop, and maintain C++ applications and libraries.Collaborate with cross-functional teams to gather requirements and define software specifications.Optimize and refactor code to improve application performance and reliability.Develop and execute unit tests to ensure software quality.Debug and resolve issues related to memory, performance, and multi-threading.Document code and design processes for team referen
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Posted 60+ days ago | Updated 27 days ago

Biomechanical Signals & Analysis Engineer

Johns Hopkins University AppliedPhysicsLaboratory

•

Laurel, Maryland, USA

Full-time

Description Are you seeking an opportunity to work in a collaborative, interdisciplinary environment that serves to ensure the resilience of our current and future War-fighters? Do you enjoy engaging deeply with complex biomechanical analysis problems in order to understand underlying mechanisms? Are you passionate about designing and implementing signal processing algorithms that reveal meaningful patterns within noisy, high-dimensional time-series data? If so, we'd love to have you join ou
Posted 2 days ago | Updated 2 hours ago

NET Developer

LinTech Global Inc.

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Washington, District of Columbia, USA

Full-time

LinTech Global Inc. is recruiting for a .NET Developer to support our contract at the USPSOIG in Arlington, Virginia working fulltime remote from home. Position Overview: Expert applications developer with robust technical design capabilities including experience implementing design patterns such as MVC and MVP Works collaboratively with a development team to transform business requirements into a technical solution Ability to work independently in the writing and support of complex applicat
Posted 27 days ago | Updated 11 hours ago

Trajectory Optimization Engineer

Johns Hopkins University AppliedPhysicsLaboratory

•

Laurel, Maryland, USA

Full-time

Description Are you interested in developing models, methodologies, and algorithms for translating design characteristics of missile systems into concept evaluation and mission planning software? Would you enjoy working with a team that takes innovative ideas from proof of concept to flight-ready final products? If so, we're looking for someone like you to join our team at APL. We are seeking a trajectory optimization engineer to develop models, numerical algorithms, and novel approaches for
Posted 35 days ago | Updated 2 hours ago

Project Systems Engineer

Kratos Defense and Security Solutions, Inc.

•

Herndon, Virginia, USA

Full-time

Job Description Ready for What's Next? At Kratos, we encourage an entrepreneurial spirit balanced with discipline. We work hard, and take care of our customers, employees, and families. Recognized as thought leaders in our industry, we are motivated by creating and delivering innovative solutions to our nation and global customers. GENERAL JOB SUMMARY: The Systems Engineer is involved in the design, development, installation, integration, and testing of Virtual Satellite Ground Systems. The Sy
Posted 34 days ago | Updated 11 hours ago

Defense Sr. FPGA Design Verification Engineer with Secret Clearance

ZoeTech Staffing LLC

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Columbia, Maryland, USA

Full-time

Job Description: Our defense client is seeking digital verification engineers to support our development of secure tactical communication products. The candidate will function primarily in an FPGA verification role, working in a cooperative team environment to verify and test embedded FPGA firmware for radio communication systems. Successful candidates must have familiarity with a coverage-driven verification methodology from planning through closure as well as knowledge of industry standard int
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Posted 40 days ago | Updated 31 days ago

Data Analyst/Systems Engineer

Johns Hopkins University AppliedPhysicsLaboratory

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Laurel, Maryland, USA

Full-time

Description Are you passionate about defending our nation against challenging real-world air and missile threats? Are you searching for an opportunity to apply your engineering background in an engaging, inquisitive environment? If so, we're looking for someone like you to join our team at APL! Our dedicated team is passionate about providing high-impact analysis and system engineering solutions to support our warfighters. As a part of our team, you will address real warfighter challenges, i
Posted 8 days ago | Updated 2 hours ago