1,158 Results for

Developer Jobs in Gaithersburg, MD

Jobs

New!

Vienna, VA4 days ago

Full-time
Employee

5+ years of in-depth working knowledge of ASP.NET Core using C#.NET, Angular/React, HTML5, CSS, JavaScript/TypeScript, and MS SQL Server, Identity. 5+ years of experience with Agile methodology and eXtreme Programming best practices like TDD, CI/CD, and pair programming. Experience deploying and managing applications using cloud services such as Azure App Services, Azure Functions, AWS EC2, Lambda, or containerized.

New!

Vienna, VA4 days ago

Full-time
Employee

The ideal candidate will have a passion for technology, a strong desire to learn, and the ability to work collaboratively with our experienced development team. This internship provides an excellent opportunity for hands-on experience in software development within the context of government projects.

New!

Chantilly, VA3 days ago

Intern

With the experience of hundreds of thousands of successful implementations, including macro, DAS, Small Cells, and Wi-Fi, the world’s leading network operators and OEMs trust our knowledge and experience to plan, perform, troubleshoot, and implement an array of technologies and solutions. This is a unique opportunity for a college student to gain hands-on experience working on an established, high-scale project, where you will contribute to real-world features that power global wireless networks.

New!

Washington DC, DC2 days ago

2+ year of in-depth working knowledge of ASP.NET Core using C#.NET, Angular/React, HTML5, CSS, and MS SQL Server, Identity. Plan, design, build, test, deploy and maintain highly scalable web-based services using modern technologies.

New!

Washington, DC5 days ago

Effective verbal and written communication skills, especially for collaborating on mainframe integration with Java developers and migration planning. • Expereience with test automation in unit tests, functional tests, regression tests and performance tests.

New!

Washington, DC5 days ago

$95,000–$125,000 Per Year

Information collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. Our development strategy is agile and policy-driven, allowing us to identify attractive markets and rapidly advance projects that deliver both economic and environmental value to local communities.

New!

Merrifield, VA3 days ago

The ideal candidate will hold a Bachelor’s or Master’s degree in Software Development (or a related field) from an accredited university and demonstrate proficiency in modern development tools and languages. System One, and its subsidiaries including Joulé and Mountain Ltd., are leaders in delivering outsourced services and workforce solutions across North America.

New!

Ellicott City, MD5 days ago

Remote

$70,000–$90,000 Per Year

As an Analyst on this team, you will join a dynamic, growing team at the center of the revenue cycle, and help them continue to drive operations and strategy through data management, project management, a deep understanding of how challenging our revenue cycle can be, and an eye for the future in helping them continue to transform billing. Information collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal.

New!

Reston, VA5 days ago

Remote

A degree from an accredited College/University in Software Engineering, Computer Science, or related discipline is preferred; Able to perform all functional duties independently; Experience training/mentoring less experienced personnel; Experience authoring or contributing to software-related documentation such as requirements specifications, design documents, technical manuals, and user manuals; Excellent communication skills. Expertise in Struts , Spring MVC, Git Bash, Java25, WebSphere , Tomcat, GitHub , GitHub Copilot, VersionOne , JUnit, JDBC, Maven ,ALM, UFT.

New!

Columbia, MD1 day ago

$150,000–$220,000

We are seeking a Full-Time Software Developer to support product enhancement and system integration efforts within classified environments supporting federal missions. The ideal candidate thrives in production environments and is comfortable debugging live systems.

Annapolis Junction, MD30+ days ago

$66,602–$80,500 Per Year

A global technology and professional services company that delivers consulting, technology and mission services to every major agency across the U.S. government, defense and intelligence community. We operate across 30 countries worldwide, offering leading capabilities in digital modernization, AI/ML, Cloud, Cyber and application development.

New!

22102, VA1 day ago

Remote

System One, and its subsidiaries including Joulé, ALTA IT Services, and Mountain Ltd., are leaders in delivering outsourced services and workforce solutions across North America. Design, build, test, and deploy full-stack applications using Python, Django, and modern JavaScript frameworks.

New!

Washington, DC5 days ago

ServiceNow Application Development experience in two or more of the following areas: • Hands-on experience configuring and developing in ServiceNow, including form and field creation/updates (backend and/or Studio), Client Scripts, Business Rules, Catalog Items and scripting, group and role administration, flows (Flow Designer), notifications, email configuration, and scheduled jobs. ServiceNow Developer (Remote): Description: • ServiceNow Software Developer with minimum 4 years development experience in ServiceNow, • required CSA Admin certification, • strong oral and written communication skills and ability to leverage AI in their daily work.

New!

Merrifield, VA3 days ago

$48–$48 Per Hour

Seeking knowledge of Adobe Target, Adobe Analytics, taxonomy, digital asset management, content management systems (CMS), search engine optimization (SEO), and online/digital metrics using industry best practices. Collaborate with Marketing and Digital staff and other internal business units/vendors to ensure timely/accurate implementation of digital content enhancements/requirements to support business needs and member experience.

New!

Arlington, VA5 days ago

You will architect and implement scalable agent frameworks that integrate LLMs, APIs, external tools, and enterprise systems to automate complex workflows for datacenter operations. We are seeking a Senior Agentic AI Developer to design, build, and deploy advanced autonomous AI systems capable of multi-step reasoning, tool usage, and dynamic decision-making.

New!

Washington, DC1 day ago

$55–$65 Per Hour
Full-time
Employee

Job Details:Role: Oracle OIC Developer/Admin - LN03192026Location: Washington, DC (On-site with Hybrid) Duration: 12+ Months ContractJob Summary:Contractor will be modernizing and sustaining the financial system for USAC, to include implementing Oracle EBS on Oracle Cloud Infrastructure (OCI). Required Skills/Level of Experience:4 years of hands-on experience building complex integrations using OIC Gen2 or Gen 3.

New!

Rosslyn, VAToday

Work with data scientists and analysts to rapidly design, implement, test, and deploy applications capable of tackling complex analytical tasks using large datasets. The selected individuals will need to live in the DC Metro area to report to HQ in Arlington, VA twice per month (a minimum of 2 days per 2-week period on average).

New!

Columbia, MD1 day ago

$200,000–$220,000

The role requires strong debugging skills, the ability to trace application code issues, and experience working in complex enterprise production environments. This role focuses on product enhancement, integration optimization, and production system troubleshooting within large-scale government systems.

New!

Germantown, MD2 days ago

$100,000–$150,000 Per Year

6 – 8 years+ experience designing, developing, testing, and maintaining custom Jira solutions, software development, particularly with Java, JavaScript, Relational databases (SQL and SQL Managed Instance). Senior Applications Developer, highly proficient in leading and independently maintaining, developing, testing and delivering high quality, enterprise-wide solutions.

New!

Leesburg, VA3 days ago

$70–$90 Per Hour

System One, and its subsidiaries including Joulé and Mountain Ltd., are leaders in delivering outsourced services and workforce solutions across North America. Configure and customize ServiceNow including UI policies, business rules, client scripts, flows, catalog items, and update sets.

New!

Columbia, MD1 day ago

$225,000–$240,000

Relocation Assistance: AvailableWe are partnering with a highly respected national security customer to identify a Full-Time Agile Developer Level 4 supporting mission-critical product enhancement and cyber data integration initiatives. This developer will be responsible for enhancing and optimizing enterprise-level systems, integrating downstream platforms, and resolving production-level issues within secure environments.

New!

DC, DCToday

$45–$57 Per Hour

Candidates should have demonstrated experience in the following areas: Georeferencing and digitizing real estate agreements and supporting documents into enterprise GIS systems. Job Description: The candidate should have significant experience working with the ArcGIS platform developing and maintaining geospatial data, maps and map layers.

New!

Annapolis Junction, MD6 days ago

$92,000–$113,000 Per Year

Provides technical site maintenance and advice on moderately complex issues related to animation, search engine techniques, link integrity, navigation, browsers, graphics, and other technical web developments. Prepares functional specifications from which programs will be written and then designs, codes, debugs, and documents programs.

New!

McLean, VA4 days ago

However, employees who have access to the compensation information of other employees or applicants as a part of their essential job functions cannot disclose the pay of other employees or applicants to individuals who do not otherwise have access to compensation information, unless the disclosure is (a) in response to a formal complaint or charge, (b) in furtherance of an investigation, proceeding, hearing, or action, including an investigation conducted by the employer, or (c) consistent with the contractor’s legal duty to furnish information. The disclosed range takes into account the wide range of factors that are considered in making compensation decisions including, but not limited to, geographic location, relevant education, qualifications, certifications, experience, skills, seniority, performance, sales or revenue-based metrics, and business or organizational needs.

New!

McLean, VA4 days ago

Fairfax, VA27 days ago

$78,000–$136,000 Per Year
Temporary
Contractor
Full-time

SynergisticIT focuses on roles such as entry-level software programmers, Java full stack developers, Python/Java developers, Data Analysts, Data Engineers, Data Scientists, and Machine Learning Engineers. Many candidates spend months learning frameworks and finishing courses, only to freeze during technical screens, system questions, or behavioral rounds.

Washington, DC10 days ago

$80–$85 Per Hour
Full-time
Employee

DC Public Schools (DCPS) aims to engage an experienced developer with at least 4 years of experience to maintain a suite of previously created applications as well as design, develop, and document projects and applications using PowerApps and the Power Platform suite. The contractor shall establish suitable processes and systems to guarantee the most regimented organization of resources involved in the support of the QuickBase Applications including project tracking and knowledge management.

Washington, DC19 days ago

$75–$80 Per Hour
Full-time
Employee

The Department of Human Services seeks a UI/UX Designer with 11years of experience in systems modernization, responsible for planning and developing wireframes, GUI prototypes, and component-level designs. The Department of Human Services is seeking a candidate with 11 years of experience serving as a UI/UX Designer on systems modernization projects.

Washington, DC10 days ago

Remote

$50,000–$60,000 Per Year
Full-time
Employee

Programming experience (minimum 6 months) from academic coursework, hands-on projects, or professional work in one or more of the following: Java, Python, C, C#, C++, JavaScript, R, SQL, MATLAB, Mathematica, TypeScript, Shell scripting, Go, or Kotlin. This program offers motivated learners a pathway to gain real-world experience through immersive, paid training in technologies including Java, IntelliJ, MySQL, Spring, HTML, CSS, JavaScript, REST, and React.

McLean, VA24 days ago

Temporary
Contractor
Full-time

Ranked a Top Staffing Firm in the U.S. by Staffing Industry Analysts for six consecutive years, Genesis10 puts thousands of consultants and employees to work across the United States every year in contract, contract-for-hire, and permanent placement roles. The ideal candidate will analyze and convert complex SQL queries to align with new data sources, work with Snowflake for data warehousing, and support technology delivery activities for business and support teams.

McLean, VA24 days ago

$55.24–$70.47 Per Hour
Temporary
Contractor
Full-time

Ranked a Top Staffing Firm in the U.S. by Staffing Industry Analysts for six consecutive years, Genesis10 puts thousands of consultants and employees to work across the United States every year in contract, contract-for-hire, and permanent placement roles. With more than 300 active clients, Genesis10 provides access to many of the Fortune 100 firms and a variety of mid-market organizations across the full spectrum of industry verticals.

Washington, DC7 days ago

Remote

$79,000–$145,000 Per Year
Temporary
Contractor
Full-time

Since 2010, we've helped thousands of candidates land full-time jobs at tech leaders like Google, Apple, PayPal, Visa, Western Union, Wells Fargo, Client, Paypal, Banking, Wayfair, Client, Client and hundreds more with Job offers of $95k to $154k. Currently, We are looking for entry-level software programmers, Java Full stack developers, Python/Java developers, Data analysts/Data Engineers/ Data Scientists, Machine Learning engineers for full time positions with clients.

McLean, VA11 days ago

The disclosed range takes into account the wide range of factors that are considered in making compensation decisions including, but not limited to, geographic location, relevant education, qualifications, certifications, experience, skills, seniority, performance, sales or revenue-based metrics, and business or organizational needs. It delivers end-to-end services and solutions leveraging strengths from strategy and design to engineering, all fueled by its market leading capabilities in AI, generative AI, cloud and data, combined with its deep industry expertise and partner ecosystem.

New!

McLean, VA4 days ago

New!

Arlington, VA3 days ago

Remote

$80,000–$150,000
Full-time
Employee

Determines computer user needs; analyzes system capabilities to resolve problems on program intent, output requirements, input data acquisition, programming techniques and controls; prepares operating instructions; designs and develops compilers and assemblers, utility programs, and operating systems. 9 years relevant experience with Bachelors in related field; 7 years relevant experience with Masters in related field; 4 years relevant experience with PhD in related field; or High School Diploma or equivalent and 13 years relevant experience.

New!

Fairfax, VA3 days ago

$94,750–$135,357
Full-time
Employee

HII - Mission Technologies is currently seeking a Junior BI Developer/Analyst to work out of Fairfax, VA in support of the DoD/DoW Advana War Data Platform designed to aggregate operational, intelligence, logistics, and sensor data from multiple domains, enable Joint All-Domain Command and Control (JADC2) by providing a common data fabric, and support AI/ML applications for predictive analytics, targeting, and mission planning. • Develops business intelligence components supporting War Data Platform (WDP) Core Integration data operations by preparing structured datasets, building baseline dashboards, and conducting routine analytic validation across Unclassified and NIPR, Secret and SIPR, and Top Secret and JWICS enclaves.

New!

Springfield, VA3 days ago

$76,164–$165,000
Full-time
Employee

This position is part of our Cyber and Intelligence division, which plays a critical role in supporting Enterprise-Level Security and Modernization efforts across IT infrastructure, cybersecurity, physical facilities, and personnel operations. When extending an offer, HII's Mission Technologies division takes a variety of factors into consideration which include, but are not limited to, the role's function and a candidate's education or training, work experience, and key skills.

Baltimore, MD22 days ago

$150,000–$190,000 Per Year
Full-time
Employee

Testing & Quality: Writing clean, maintainable, and efficient code following Test-Driven Development (TDD) practices, including unit and integration testing with React Testing Library (RTL). Database Management: Integrating and managing PostgreSQL and MongoDB databases, including writing advanced SQL queries and working with data formats such as JSON and XML.

Sterling, VA26 days ago

Full-time
Employee

Job title: Python DeveloperLocation: Washington, DCClient: GSA Data.govClearance: Public Trust ClearanceOverview: We are looking for a Senior Backend Engineer to support federal software engineering efforts, primarily focused on operations and maintenance of Data.gov applications. The ideal candidate has strong Python and Flask experience, and is comfortable working in a dockerized development environment.

New!

Springfield, VA3 days ago

$76,164–$180,000
Full-time
Employee

Desired experience: Experience supporting; ServiceNow ITSM implementations, federal or regulated environments, platform governance and backlog management, user acceptance testing (UAT) and release validation. This position is part of our Cyber and Intelligence division, which plays a critical role in supporting Enterprise-Level Security and Modernization efforts across IT infrastructure, cybersecurity, physical facilities, and personnel operations.

New!

Springfield, VA3 days ago

$95,880–$120,000
Full-time
Employee

5 years relevant experience with Bachelors in related field; 3 years relevant experience with Masters in realted field; 0 years experience with PhD or Juris Doctorate in related field; or High School Diploma or equivalent and 9 years relevant experience. Desired certifications or training: Formal SharePoint training or certifications such as Microsoft 365 Certified: Teamwork Administrator Associate, SharePoint Administrator Associate, or Microsoft Certified: Solutions Expert (MCSE) in Collaboration/SharePoint.

New!

Springfield, VA3 days ago

$90,501–$130,000
Full-time
Employee

Our workforce includes skilled tradespeople; artificial intelligence, machine learning (AI/ML) experts; engineers; technologists; scientists; logistics experts; and business administration professionals. This position is part of our Cyber and Intelligence division, which plays a critical role in supporting Enterprise-Level Security and Modernization efforts across IT infrastructure, cybersecurity, physical facilities, and personnel operations.

New!

Fairfax, VA3 days ago

Remote

$110,747–$170,000
Full-time
Employee

Five or more years of specific successful Business Development, Capture Management or Program Management experience within the defense or federal market areas including but not limited to: Acquisition, Global Logistics, Integrated Product Support, Modernization, Intelligence and Operations, Engineering Services and additional capability/market areas required to sustain manned and unmanned platforms. The ideal candidate should understand services type contract arrangements and acquisition life cycles, and understand the organizational structure and mission of the 11 Unified Combatant Commands in the Department of War, the Department of State, the Department of Homeland Security, the Federal Emergency Management Agency, and other FEDCIV agencies.

New!

Arlington, VA3 days ago

Remote

$80,000–$145,000
Full-time
Employee

You will design and execute test strategies, develop automated test scripts, and work with modern technologies including Python, SQL, Databricks, ADVANA, React, and Flask to deliver high-quality solutions that support DSCA’s mission of security cooperation, transparency, and data-driven decision making. 9 years relevant experience with Bachelors in related field; 7 years relevant experience with Masters in related field; 4 years relevant experience with PhD or Juris Doctorate in related field; or High School Diploma or equivalent and 13 years relevant experience.

Sterling, VA8 days ago

Full-time

SENIOR SOFTWARE ENGINEER (5 positions offered) to design, develop and code applications using Java and Scala; Integrate backend software applications using Postgres and NoSQL databases; Create performance test suite using Jmeter; Implement cloud infrastructure using AWS services; Build Continuous Integration and Continuous Deployment (CI/CD) pipelines using Github, Jenkins and Artifactory. A Bachelor’s degree with 5 yrs of progressively responsible experience will be accepted in lieu of the Master’s degree and 2 years of experience; Any suitable combination of education, training or experience is acceptable.

Alexandria, Virginia30+ days ago

Our team of experienced military, technical, and operations research analysts is skilled in evaluating military problems, identifying the driving factors, devising innovative approaches, collecting applicable data, developing necessary software tools, and performing thorough and timely assessments to inform technology and acquisition governance decisions to ensure U.S. military forces retain military superiority in the future. Responsibilities: As a Software Developer specializing in Web Development, the candidate will lead the design and execution of a front‑end development strategy that supports SPA’s Integrated Program Execution (IPE) analytics platform.

Greenbelt, MD17 days ago

Full-time

GAMA-1 is seeking a remote Software Developer Web Applications IV (Applications Developer) with experience in the research, design, and development of computer and network software or specialized utility programs. The Software Developer Web Applications IV (Applications Developer r) will analyze user needs, develop software solutions, update software, or enhance existing software capabilities.

Falls Church, Virginia30+ days ago

Greenbelt, MD30+ days ago

Full-time

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Developer Jobs in Gaithersburg, MD

Cloud Full-Stack Software Developer Company Confidential

Jr. Software Developer Company Confidential

Software Developer (Full Stack/Backend) Intern TeleWorld Solutions

Software Developer NuAxis Innovations

Software Developer / Application Support PlanIT Group

Senior Associate Project Developer (Solar & BESS) Jobot

Software Developer (C++/C#/ASP.Net) System One

Tableau Developer - 100% Remote Jobot

Software Developer PlanIT Group

Software Developer - Active TS/SCI with Full Scope Polygraph Gables Search Group

Software Developer Associate General Dynamics Information Technology

Full-Stack Developer System One

ServiceNow Developer PlanIT Group

Web Content Developer System One

Senior Agentic AI Developer PlanIT Group

Oracle OIC Developer/Admin Creative Global Consulting, LLC

Full Stack Developer PlanIT Group

Agile Developer - ( TS/SCI FS Poly Required) Gables Search Group

Applications Developer Dunhill Professional Search

ServiceNow Developer Senior System One

Agile Developer Gables Search Group

EAM Developer PEAK Technical Staffing

Java Developer Dunhill Professional Search

ServiceNow Developer Capgemini Government Solutions LLC

Senior ServiceNow Developer Capgemini Government Solutions LLC

Entry level Java spring boot developer/ data scientist SynergisticIT

Sr Power Apps Developer CSZNet, Inc.

UI/UX Developer - Local to DC/MD/VA only CSZNet, Inc.

Dev10 Software Developer - Remote Genesis10

Backend Python Developer Genesis10

Developer-UX User Interface Professional Genesis10

Data Scientist/Engineer - Junior (Remote) SynergisticIT

Junior Technical Consultant (Hybrid) Capgemini Government Solutions

Jr. Technical Consultant (Hybrid - Graduate) Capgemini Government Solutions LLC

DSCA .Net Core Developer (Software Engineer) - 28637 Company Confidential

BI Developer/Analyst (Data Scientist 2) Company Confidential

ServiceNow Developer Company Confidential

Full Stack Developer (React / Node.js / Express.js) Alpha Technologies Inc

Python Developer ADG TECH CONSULTING, LLC

ServiceNow Developers -Majestic 1 Company Confidential

SharePoint Developer 3 MAJESTIC 1 Company Confidential

Platform Developer Company Confidential

Business Developer- Remote (Business Development Rep 4)- 28463 Company Confidential

DSCA Mid QA Software Tester (Programmer Analyst) - 28638 Company Confidential

Senior Software Engineer Teknowleap, Inc

Software Developer - Web Development Systems Planning and Analysis

Software Developer Web Applications IV (Applications Developer) GAMA-1 Technologies

Senior Web Developer ValidaTek, Inc.

Software Developer II - Web Applications GAMA-1 Technologies, LLC

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