Junior Software Developer Jobs in District of Columbia

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201 - 220 of 621 Jobs

Lead Software Engineer

Costar Group

•

Arlington, Virginia, USA

Full-time

Lead Software Engineer Job Description Overview 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 60+ days ago | Updated 7 hours ago

Senior Java Developer

Revature

•

McLean, Virginia, USA

Full-time

About the Role: Were seeking an experienced and highly skilled Senior Java Developer to join our team in McLean, VA. The ideal candidate is a strong technical lead with over 10 years of Java development experience, proficient in modern frameworks, cloud platforms, and front-end technologies. This valued leader will guide end-to-end development initiatives and ensure successful delivery of robust, scalable applications. About Revature: Revature is one of the largest and fastest-growing employers
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Posted 5 days ago

Ab Initio Developer

Econosoft

•

Reston, Virginia, USA

Contract

Required Experience: Total of 7+ Years of IT Experience predominantly in Data Integration/ Data Warehouse areaMust have at least 3 years of ETL Design and Development experience using Ab Initio 1-2 years of Data IntegrationConduct analysis of the Ab-Initio code and other interdependent code, track code changes and versions using Enterprise Metadata repository (EME).Modify Ab-Initio code following project guidelines and standardsAnalyze existing wrappers and create new wrapper scripts using Unix
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Posted 21 days ago

IT App Solutions Architect SR/ AI/ML Engineer

Lumen Solutions Group Inc.

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Washington, District of Columbia, USA

Contract

Position Title: IT App Solutions Architect SR/ AI/ML Engineer Skillset: Key Technical Skills and Responsibilities AI/ML Development: Design and imple ment supervised and unsupervised models including regression, classification, clustering, time-series forecasting, and boosting methods. Build and fine-tune neural networks including CNNs, RNNs, and LSTMs. Generative AI: Develop and integrate solutions powered by LLMs and open-source foundation models. Evaluate and optimize model performance, late
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Posted 21 days ago | Updated moments ago

Test Engineer / Test Analyst

General Dynamics

•

Manassas, Virginia, USA

Full-time

Basic Qualifications Requires a Bachelor's degree in Engineering, or a related Science or Mathematics field. CLEARANCE REQUIREMENTS: Department of Defense Secret security clearance is required at time of hire. Applicants selected will be subject to a U.S. Government security investigation and must meet eligibility requirements for access to classified information. Due to the nature of work performed within our facilities, U.S. citizenship is required. Responsibilities for this Position We ar
Posted 5 days ago | Updated 7 hours ago

CNO Developer - TS/SCI FSP

Mission Box Solutions

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Annapolis, Maryland, USA

Full-time

Our client is seeking a CNO Developer to support a U.S. Government customer by providing technical expertise for mission-critical software and systems. This full-time position involves designing, developing, testing, and maintaining custom capabilities across various platforms in support of a large government contract. Responsibilities: Work as part of a team of developers on Unix, Windows, or Mobile capabilities, contributing to the design, development, testing, and maintenance of CNO capabili
Posted 60+ days ago | Updated 4 hours ago

Sr. Engineer, Software

T-Mobile

•

Herndon, Virginia, USA

Full-time

At T-Mobile, we invest in YOU! Our Total Rewards Package ensures that employees get the same big love we give our customers. All team members receive a competitive base salary and compensation package - this is Total Rewards. Employees enjoy multiple wealth-building opportunities through our annual stock grant, employee stock purchase plan, 401(k), and access to free, year-round money coaches. That's how we're UNSTOPPABLE for our employees! Are you ready to join the Un-carrier movement? The Sr
Posted 31 days ago | Updated 7 hours ago

Senior Data Engineer

Mastercard

•

Arlington, Virginia, USA

Full-time

Our Purpose Mastercard powers economies and empowers people in 200+ countries and territories worldwide. Together with our customers, we're helping build a sustainable economy where everyone can prosper. We support a wide range of digital payments choices, making transactions secure, simple, smart and accessible. Our technology and innovation, partnerships and networks combine to deliver a unique set of products and services that help people, businesses and governments realize their greatest po
Posted 30 days ago | Updated 7 hours ago

Computer Systems Engineer

Leidos

•

Springfield, Virginia, USA

Full-time

Job DescriptionDescription We are seeking a detail-oriented and technically skilled System Engineer to join our team. The successful candidate will be responsible for comprehensive system design, integration, testing, and support. This role includes planning, analyzing, and verifying complex systems to ensure they meet customer and operational requirements. You will play a critical role in the full systems lifecycle from requirements gathering to final system validation and deployment. Primary R
Posted 60+ days ago | Updated 5 hours ago

Java/J2EE Senior Developer

Apex Systems

•

Tysons, Virginia, USA

Full-time

Job#: 2065154 Job Description: Job Description: Design, develop, and maintain Java-based applications to support the client's business operations.Collaborate with product managers, designers, and other stakeholders to understand user requirements and translate them into technical specifications.Ensure the performance, quality, and responsiveness of applications.Develop and implement microservices architecture to enhance application scalability and maintainability.Participate in code reviews, pr
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Posted 60+ days ago | Updated 8 hours ago

Senior Software Engineer, DevOps

Capital One

•

McLean, Virginia, USA

Full-time

Senior Software Engineer, DevOps Do you love building and pioneering in the technology space? Do you enjoy solving complex business problems in a fast-paced, collaborative, inclusive and iterative delivery environment? At Capital One, you'll be part of a big group of makers, breakers, doers and disruptors, who love to solve real problems and meet real customer needs. We are seeking DevOps Engineers who are passionate about marrying data with emerging technologies to join our team. As a DevOps E
Posted 2 days ago | Updated 13 hours ago

DevOps Engineer

Leidos

•

Herndon, Virginia, USA

Full-time

Description Leidos has a new and exciting opportunity for a DevOps Engineer in our National Security Sector's (NSS) Cyber & Analytics Business Area (CABA). Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management. At Leidos, we offer competitive benefits, including Paid Time Off, 11 paid Holidays, 401K with a 6% company match and immediate ve
Posted 11 days ago | Updated 3 hours ago

Appian Developer- Remote (Future Opportunity)

ICF

•

Remote or Reston, Virginia, USA

Full-time

Job Description *We are open to supporting 100% remote work anywhere within the US* *This role is part of our talent pipeline, and while there may not be an immediate opening, we are proactively connecting with qualified candidates for future opportunities* ICF's Digital Modernization division is a rapidly growing, entrepreneurial, technology department, seeking Appian Developers to support upcoming needs with our federal customers. Our Digital Modernization division is an information techno
Posted 60+ days ago | Updated 7 hours ago

Sr. DevOps Engineer

Leidos

•

Herndon, Virginia, USA

Full-time

Description Leidos has a new and exciting opportunity for a Sr. DevOps Engineer in our National Security Sector's (NSS) Cyber & Analytics Business Area (CABA). Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management. At Leidos, we offer competitive benefits, including Paid Time Off, 11 paid Holidays, 401K with a 6% company match and immediat
Posted 11 days ago | Updated 7 hours ago

DevOps Engineer (SME)

Leidos

•

Herndon, Virginia, USA

Full-time

Description Leidos has a new and exciting opportunity for a DevOps Engineer (SME) in our National Security Sector's (NSS) Cyber & Analytics Business Area (CABA). Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management. At Leidos, we offer competitive benefits, including Paid Time Off, 11 paid Holidays, 401K with a 6% company match and immedi
Posted 11 days ago | Updated 3 hours ago

Principal DevOps Engineer

Leidos

•

Herndon, Virginia, USA

Full-time

Description Leidos has a new and exciting opportunity for a Principal DevOps Engineer in our National Security Sector's (NSS) Cyber & Analytics Business Area (CABA). Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management. At Leidos, we offer competitive benefits, including Paid Time Off, 11 paid Holidays, 401K with a 6% company match and im
Posted 11 days ago | Updated 7 hours ago

Biocentre Architect with LIMS & Inventor Management

Lorven Technologies, Inc.

•

Gaithersburg, Maryland, USA

Contract, Third Party

Role: Biocentre Architect with LIMS & Inventor Management Location: Gaithersburg MD On-Site Responsibilities The Biocentre Tech Lead will manage the technology delivery of integration and lab orchestration capabilities, optimizing laboratory hardware and instruments to support HBS Biobanking operations in the new Biocentre facility. High level responsibilities of this role are to: Support the Biocentre IT Team by making key technical decisions, guiding team members on implementation approaches
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Posted 28 days ago | Updated moments ago

ServiceNow Developer

SkilzMatrix Digital

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Remote

Full-time

We are seeking for 12+ years experienced ServiceNow Developer with FSM module experience. Requirements: Over 12+ years of experience in IT 8+ years experience on the ServiceNow Platform 3+ years hands-on experience with FSM Proven ability to design, configure, and customize ServiceNow modules to meet specific business requirements Track record of analyzing existing processes, identifying bottlenecks, and implementing improvements using ServiceNow capabilities to streamline service deliver
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Posted 2 days ago

Appian Developer - W2 Only - No sponsorship

ICONMA

•

McLean, Virginia, USA

Contract

Our Client, a Real Estate and Financial Services company, is looking for an Appian Developer for their McLean, VA/Plano TX Responsibilities: Design, develop, modify, integrate, test, deploy and support enterprise-level Appian based BPM applications.Translate business process software requirement specifications into Appian process model prototypes and solutions.Deliver projects in AgileDesign and implement complex enterprise integrations with industry standard technologies such as DB2, Sybase, Pi
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Posted 22 days ago

Sr Associate Software Engineer

McKesson Corporation

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Remote or Columbus, Ohio, USA

Full-time

McKesson is an impact-driven, Fortune 10 company that touches virtually every aspect of healthcare. We are known for delivering insights, products, and services that make quality care more accessible and affordable. Here, we focus on the health, happiness, and well-being of you and those we serve - we care. What you do at McKesson matters. We foster a culture where you can grow, make an impact, and are empowered to bring new ideas. Together, we thrive as we shape the future of health for patien
Posted 4 days ago | Updated 7 hours ago