Software development Jobs in Washington

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481 - 500 of 2,310 Jobs

Software Developer

General Dynamics

•

Fort Belvoir, Virginia, USA

Full-time

Type of Requisition: Regular Clearance Level Must Currently Possess: Top Secret/SCI Clearance Level Must Be Able to Obtain: Top Secret/SCI Public Trust/Other Required: None Job Family: Software Development Job Qualifications: Skills: National Security, Red Teaming, Software Systems Certifications: None Experience: 5 + years of related experience ship Required: Yes Job Description: Deliver simple solutions to complex problems as a Software Developer, Senior at GDIT. Here, you'll tailor cu
Posted 44 days ago | Updated 10 hours ago

Data Scientist

Base-2 Solutions, LLC

•

Annapolis, Maryland, USA

Full-time

Job Description Base-2 Solutions is seeking a Data Scientist 3 who will develop machine learning, data mining, statistical and graph-based algorithms to analyze and make sense of datasets; prototype or consider several algorithms and decide upon final model based on suitable performance metrics; build models or develop experiments to generate data when training or example datasets are unavailable; generate reports and visualizations that summarize datasets and provide data-driven insights to cu
Posted 23 days ago | Updated 11 hours ago

ServiceNow/SharePoint SME- Top Secret/SCI - Arlington, VA

General Dynamics Information Technology

•

Arlington, Virginia, USA

Full-time

Type of Requisition: Regular Clearance Level Must Currently Possess: Top Secret Clearance Level Must Be Able to Obtain: Top Secret/SCI Public Trust/Other Required: None Job Family: Systems Administration Job Qualifications: Skills: Microsoft SharePoint Server, Scripting, ServiceNow Platform, SQL Databases, Workflow Management Certifications: None Experience: 6 + years of related experience ship Required: Yes Job Description: Seize your opportunity to make a personal impact as a ServiceN
Posted 36 days ago | Updated 18 hours ago

Sr. Software Engineer TS/SCI Polygraph

Leidos

•

Maryland, USA

Full-time

Description Leidos has an exciting opportunity for a Sr. Software Engineer! *Must have an active TS/SCI Polygraph up front. No exceptions.* You will perform software development lifecycle (SDLC) activities as both an individual and a member of our top-notch agile development team building a large complex enterprise system. Development includes the full range of turning Agile user stories into implementable concepts, through development, unit testing, integration and test, and deployment of the
Posted 22 days ago | Updated 10 hours ago

Cyber Capability Developer (Senior)

American Systems Corporation

•

Springfield, Virginia, USA

Full-time

Overview AMERICAN SYSTEMS is an employee-owned federal government contractor supporting national priority programs through our strategic solutions in the areas of Information Technology, Test & Evaluation, Program Mission Support, Engineering & Analysis, and Training. Responsibilities Conducts research in design, development, testing and utilization of electronic data processing software.Designs, develops, documents, tests and debugs applications software and systems that contain logical and
Posted 60+ days ago | Updated 10 hours ago

Senior Project Manager

ManTech

•

Reston, Virginia, USA

Full-time

ManTech seeks a motivated, career and customer-oriented Senior Project Manager to join our team in Reston, VA. This is an onsite position. The Senior Project Manager will manage the requirements, taskings, planning, and releases for the program's engineering and development teams. Responsibilities include but are not limited to:Developing, in close collaboration with Sponsor management, program management, and the development and engineering teams, the technical and programmatic approaches for
Posted 60+ days ago | Updated 20 hours ago

Chief Engineer

Leidos

•

Herndon, Virginia, USA

Full-time

Description Are you looking for an opportunity to make an impact? At Leidos, we deliver innovative solutions through the efforts of our diverse and talented people who are dedicated to our customers' success. We empower our teams, contribute to our communities, and operate sustainably. Everything we do is built on a commitment to do the right thing for our customers, our people, and our community. Our Mission, Vision, and Values guide the way we do business. If this sounds like the type of env
Posted 3 days ago | Updated 13 hours ago

Cyber Software Engr Sr - Python

Lockheed Martin

•

Fort Meade, Maryland, USA

Full-time

Job ID: 692208BR Date posted: Apr. 22, 2025 Description:This position is participating in our External Referral Program. If you know somebody who may be a fit, click here to submit a referral. If your referral is hired, you'll receive a $3000 payment! code-extrefer This position may be eligible for a $25K sign on bonus for external hires! Cyber Software Engineer Sr.- Python WHAT WE'RE DOING Lockheed Martin, Cyber & Intelligence invites you to step up to one of today's most daunting challeng
Posted 16 days ago | Updated moments ago

Software Engineer

Leidos

•

Bethesda, Maryland, USA

Full-time

Description Are you ready to join Leidos all-star team? Through training, teamwork, and exposure to challenging technical work, let Leidos show how to accelerate your career path. Leidos has an exciting opening for you as our next TS/SCI cleared Software Engineer supporting a long-term DIA-NEMC DOMEX Technology Platform (DTP) contract. You will work closely with Systems Engineers, Software Engineers, Architects, and Operations Engineering/Manager on a broad scope of activities extending across
Posted 22 days ago | Updated moments ago

Junior Software Developer

Modern Technology Solutions

•

Annapolis, Maryland, USA

Full-time

Overview Own Your Future. Modern Technology Solutions, Inc. (MTSI), is seeking a Junior Software Developer to join the team in Columbia, Maryland. Why is MTSI known as a Great Place to Work? Interesting Work: Our co-workers support some of the most important and critical programs to our national defense and security. Values: Our first core value is that employees come first. We challenge our co-workers to provide the highest level of support and service, and reward them with some of the best b
Posted 49 days ago | Updated 17 days ago

Senior Appian Developer- Remote

ICF

•

Remote or Reston, Virginia, USA

Full-time

*We are open to supporting 100% remote work anywhere within the US* ICF's Digital Modernization division is a rapidly growing, entrepreneurial, technology department, seeking Senior Appian Developers to support upcoming needs with our federal customers. Our Digital Modernization division is an information technology and management consulting department that offers integrated, strategic solutions to its public and private-sector clients. ICF has the expertise, agility, and commitment to design,
Posted 8 days ago | Updated 11 hours ago

Software Engineering Manager (.NET)

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 60+ days ago | Updated 11 hours ago

Level Software Engineer

Cymertek Corporation

•

Reston, Virginia, USA

Full-time

Level Software Engineer LOCATION Reston, VA 20190 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY Give me table with 6 columns and 3 rows. In the first row give me the top 6 requirements for a Level Software Engineer job post. In the second row give me the top 6 required skills for a Level Software Engineer job post. In the last 6 cells give me the top desired skills for a Level Software Engineer job post. Make sure that the requirements list,
Posted 60+ days ago | Updated 10 hours ago

Enterprise Architect - DevOps

Robert Half

•

Washington, District of Columbia, USA

Contract

Description We are looking for a skilled Software Developer to join our team in Washington, District of Columbia, on a long-term contract basis. In this role, you will contribute to the design, development, and optimization of IT systems and enterprise platforms that support critical business processes. This position offers the opportunity to lead projects, collaborate with stakeholders, and ensure the security and efficiency of technical infrastructure. Location: Washington, DC (On-site, 5 day
Easy Apply
Posted 4 days ago | Updated 8 hours ago

FLEX Senior Python Developer

Marriott International

•

Bethesda, Maryland, USA

Full-time

Job Description This is a temporary position. If you're looking to build leading technology that enables the future of global travel while transforming your career - step out of the status quo and join Global Technology at Marriott International. THE OPPORTUNITY We're seeking an exceptional Senior Python Developer to join our innovative 6-person team building Marriott's next-generation Internal Developer Portal. This greenfield project serves as the single pane of glass for application teams
Posted 28 days ago | Updated 10 hours ago

Full Stack Software Engineer II (Onsite)

RTX Corporation

•

Sterling, Virginia, USA

Full-time

Date Posted: 2025-07-08 Country: United States of America Location: VA541: 22110 Pacific Blvd, Dulles 22110 Pacific Boulevard Building CC3, Sterling, VA, 20166-6913 USA Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: The ability to obtain and maintain a U.S. government issued security clearance is required.Security Clearance: DoD Clearance: Secret Raytheon Company Managed by Collins Aerospace Collins Aerospace, an RTX company, is a leader in technolo
Posted 6 days ago | Updated 10 hours ago

Cloud Network Engineer - Hybrid Work Opportunity

General Dynamics

•

Remote or Springfield, Virginia, USA

Full-time

Type of Requisition: Regular Clearance Level Must Currently Possess: Secret Clearance Level Must Be Able to Obtain: Top Secret Public Trust/Other Required: None Job Family: Network Engineering Job Qualifications: Skills: Cloud Computing, Cloud Infrastructure, Cloud Security Certifications: None Experience: 8 + years of related experience ship Required: Yes Job Description: GDIT is seeking a Cloud Network Engineer to help support our Defense Logistics Agency (DLA IOEE/IOSEE) program in Spr
Posted 41 days ago | Updated 11 hours ago

Data Scientist

Base-2 Solutions, LLC

•

Washington, District of Columbia, USA

Full-time

Job Description Base-2 Solutions is seeking a Data Scientist. The ideal candidate is personable, articulate, has a keen eye for detail, with a focus on making sure the customers' requirements and needs are met quickly and effectively. Solutions should adhere to best practices, reference frameworks, regulations, and guidelines. The successful candidate will be a self-starter who can work with limited supervision. Excellent communication skills are required to effectively interface with customers
Posted 60+ days ago | Updated 11 hours ago

Junior Software Engineer

Electronic Consulting Services, Inc (ECS Federal)

•

Fairfax, Virginia, USA

Full-time

Job Description ECS is seeking a Junior Software Engineer to work in our Fairfax, VA office. ECS is seeking a Junior Software Engineer to support the development, integration, and the execution of a variety of projects focused on Artificial Intelligence/Machine Learning and Big Data/Cloud Solutions. There is a focus on knowledge and experience with integrating existing AI/ML solutions with new hardware/software systems in support of the DoD. This position requires technical leadership skills, e
Posted 2 days ago | Updated 8 hours ago

ServiceNow/SharePoint SME- Top Secret/SCI - Arlington, VA

General Dynamics Information Technology

•

Arlington, Virginia, USA

Full-time

Type of Requisition: Regular Clearance Level Must Currently Possess: Top Secret Clearance Level Must Be Able to Obtain: Top Secret/SCI Public Trust/Other Required: None Job Family: Systems Administration Job Qualifications: Skills: Microsoft SharePoint Server, Scripting, ServiceNow Platform, SQL Databases, Workflow Management Certifications: None Experience: 6 + years of related experience ship Required: Yes Job Description: Seize your opportunity to make a personal impact as a ServiceNo
Posted 36 days ago | Updated 21 hours ago