1,821 Results for

Software Developer Jobs in Ellicott City, MD

Jobs

Vienna, VA15 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!

Gaithersburg, MD2 days ago

$69,550–$125,725

If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at LeidosCareersFraud@leidos.com. As a member of a Scaled Agile software development organization, you will contribute to the technical execution of a program that integrates proven, globally deployed technologies with modern cloud-native and AI-enabled capabilities.

New!

Gaithersburg, MD2 days ago

$87,100–$157,450

New!

Gaithersburg, MD2 days ago

$131,300–$237,350

If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at LeidosCareersFraud@leidos.com. April 1, 2026For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

New!

Gaithersburg, MD2 days ago

$87,100–$157,450

As a member of a Scaled Agile software development organization, you will contribute to the technical execution of a program that integrates proven, globally deployed technologies with modern cloud-native and AI-enabled capabilities. If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at LeidosCareersFraud@leidos.com.

New!

Reston, VA2 days ago

$87,100–$157,450

If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at LeidosCareersFraud@leidos.com. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

Vienna, VA15 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.

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!

Gaithersburg, MD2 days ago

$87,100–$157,450

The Terminal Flight Data Management (TFDM) program is a Federal Aviation Administration’s (FAA) NextGen program based on airport surface management that provides efficiency for both the airport surface and terminal airspace by providing a new and comprehensive integrated surface traffic control and management system. TFDM functions include Surface Collaborative Decision making (SCDM), departure scheduler and other airport decision tools Electronic Flight Data (EFD); Enhanced Air Traffic Control Tower (ATCT) Traffic Flow Management System (TFMS) Replacement or integration of multiple systems in the National Airspace System (NAS).

New!

Gaithersburg, MD2 days ago

$69,550–$125,725

Columbia, MD12 days 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.

Washington DC, DC13 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.

Washington, DC21 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.

New!

MONTGOMRY VLG, MDToday

$165,000–$185,000 Per Year

With deep expertise in cloud-first architectures, automation, DevSecOps, virtualization, reliability engineering, and large-scale systems integration, we help organizations modernize infrastructure, improve operational efficiency, and support mission-critical environments where performance, security, and resiliency are essential. This role is ideal for a seasoned engineer who enjoys solving complex technical challenges, contributing to system architecture, and partnering closely with Systems Engineering, Development, and Test teams to deliver robust, scalable solutions.

New!

Gaithersburg, MDToday

$140,000–$165,000 Per Year

With deep expertise in cloud-first architectures, automation, DevSecOps, virtualization, reliability engineering, and large-scale systems integration, we help organizations modernize infrastructure, improve operational efficiency, and support mission-critical environments where performance, security, and resiliency are essential. Our teams partner closely with customers to deliver innovative solutions across cloud strategy, cybersecurity, systems integration, data engineering, machine learning, AI, disaster recovery, and enterprise infrastructure initiatives.

New!

Baltimore, MDToday

Remote

$150,000–$200,000 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. We are a growing company in the reinsurance industry that is on the lookout for a Senior Software Engineer / Senior Full Stack Engineer with strong Python skills and a reinsurance or financial services background!

New!

Arlington, VAToday

$120,000–$150,000 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. If you have a solid grounding in software engineering, continuous delivery, and computer science, and are looking for a career opportunity to grow and leverage those skills to the fullest while working on cutting edge technologies – Here is the place to be!

New!

Annapolis Junction, MDToday

$80,000–$220,000 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. By applying for this job, you agree to receive calls, AI-generated calls, text messages, or emails from Jobot, and/or its agents and contracted partners.

New!

Arlington, VA2 days ago

$107,900–$195,050

Work independently to ensure the reliability, availability, and security of the ENET solution in multiple environments by proactively monitoring the system, troubleshooting, and resolving issues to ensure high availability and continuity of operations. If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at LeidosCareersFraud@leidos.com.

New!

Reston, VA2 days ago

$87,100–$157,450

If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at LeidosCareersFraud@leidos.com. April 2, 2026For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

Washington DC, DC30+ days ago

Remote

Grafana Labs also helps more than 3,000 companies -- including Bloomberg, JPMorgan Chase, and eBay -- manage their observability strategies with the Grafana LGTM Stack, which can be run fully managed with Grafana Cloud or self-managed with the Grafana Enterprise Stack, both featuring scalable metrics (Grafana Mimir), logs (Grafana Loki), and traces (Grafana Tempo). Our enterprise and SaaS offerings allow customers to load test their systems by running distributed tests from 15+ regions worldwide, using hundreds of thousands of virtual users sending millions of requests per second.

New!

Reston, VA1 day ago

$107,900–$195,050

This role combines hands-on development with technical leadership, focusing on architecting and implementing scalable Salesforce solutions integrated with Amazon Connect, AI-driven capabilities, and third-party government systems. Required Education & Experience: Bachelor’s degree in IT or related field and a minimum of 8 years of relevant experience or or Masters with a minimum 6 of relevant experience, progressive experience in Salesforce development and architecture, including Federal program experience.

New!

Reston, Virginia2 days ago

Contractor

Experience automating repetitive tasks related to provisioning of AWS Services, installation, configuration, or management of infrastructure using Terraform, Gitlab, Ansible and/or Python. Must have experience in IDMC (Informatica's SAAS platform Intelligent Data Management on Cloud) and using Self-service workbench.

New!

Tysons (McLean), VA1 day ago

Remote

$96,027–$137,179 Per Year

Generous health care benefits on day one – PPO, Kaiser (where available), and a High Deductible Health Plan which includes coverage for medical, dental, and vision benefits for employee, spouse, and/or dependent children; days paid vacation and holidays per year plus 2 volunteer days per year; Generous sick and bereavement leave; Competitive parental leave; Company-paid premiums for disability and life insurance; Flexible Spending and Health Savings accounts; Retiree health plan; Education Assistance Program; and, Optional benefits including pet insurance, excess life insurance, legal plan, and qualified transportation fringe benefits, where available. The Air Line Pilots Association, International (ALPA), the largest airline pilot union in the world and the largest non-governmental aviation safety organization in the world (representing over 80,000 pilots at 42 U.S. and Canadian airlines) seeks an experienced Mobile/Web Developer for our office in Tysons (McLean), Virginia.

McLean, VA15 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.

McLean, VA15 days ago

Columbia, MD12 days 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!

Vienna, VA5 days ago

Temporary
Contractor
Full-time

Deep expertise in Azure-native architectures: Azure Function Apps (isolated worker model), Azure SQL, Azure Service Bus, Azure AD / MSAL (OAuth2/OIDC). Architect real-time subsystems: SignalR hub for check-weigher events, Azure Service Bus Premium queuing for NAV output posting, and retry/dead-letter strategies.

Washington, DC7 days ago

Full-time
Employee

The Expert ETL Developer serves as a senior technical contributor responsible for designing, developing, implementing, refining, and supporting complex ETL pipelines, data integration workflows, and transformation logic in support of enterprise reporting, analytics, and operational decision-making. This position works closely with Data Analysts, Power BI Developers, Power Apps Developers, Technical Project Managers, Scrum Masters, testers, technical writers, and Government stakeholders to translate requirements into reliable technical solutions.

Washington, DC7 days ago

$60–$62 Per Hour
Full-time
Employee

The Drupal Web Developer is responsible for designing, developing, maintaining, and enhancing web applications and digital platforms built on the latest versions of Drupal (Drupal 9/10/11). The developer collaborates closely with designers, content teams, product owners, and IT leadership to deliver modern, accessible, and high‑performing web solutions.

Washington, DC7 days ago

Full-time
Employee

The Senior ETL Developer is expected to understand data modeling, source-to-target mapping, transformation logic, data quality controls, and the operational impacts of upstream and downstream changes. Develop, enhance, test, and maintain ETL pipelines, data integration workflows, and transformation logic supporting reporting, analytics, and operational processes.•

New!

Tysons, VAToday

$140,000–$215,000 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. By applying for this job, you agree to receive calls, AI-generated calls, text messages, or emails from Jobot, and/or its agents and contracted partners.

New!

Columbia, MDToday

$131,300–$237,350

This role sits within the Cyber Network Operations (CNO) Internal Research and Development (IRAD) portfolio and focuses on translating offensive cyber expertise into next-generation defensive solutions aligned to the Application Security Testing (AST) market, including SAST, DAST, IAST, and RASP. If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at LeidosCareersFraud@leidos.com.

Washington, DC7 days ago

Full-time
Employee

An Engineer 3 has strong technical skills and background, a knack for learning new technologies, and a blend of good problem-solving and innovation needed to resolve a wide variety of technical production challenges. Develop Power Automate workflows to orchestrate report delivery, data refresh notifications, approval processes, and operational alerts across EDW reporting environments.

Arlington, VA14 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.

Washington, DC21 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.

Columbia, MD12 days ago

$150,000–$200,000

This role focuses on developing, maintaining, and enhancing complex software systems, including processing-intensive analytics, real-time platforms, large-scale data manipulation systems, and enterprise management solutions. The Software Engineer II will work independently and within collaborative teams to design, test, and refine mission-critical software components.

Columbia, MD12 days ago

$220,000–$230,000

This role develops and enhances processing-intensive analytics systems and extremely large datasets within secure environments. She Recruits is representing a senior-level Software Engineer supporting complex analytics and real-time processing systems.

New!

Reston, VA2 days ago

Remote

Arcticom, LLC provides network and systems administration, enterprise architecture and resource planning, certification and accreditation, software design, programming, maintenance of telecommunications and land mobile radio equipment and systems, help desk support and IT transformation services among other services. The work environmental characteristics described here are representative of those that must be borne by an employee to successfully perform the essential functions of the role.

Columbia, MD12 days ago

$200,000–$220,000

Telework: Limited to start; up to 60% after onboardingWe are seeking a Full-Time Senior Software Engineer with deep full-stack development experience supporting secure, enterprise-scale applications within classified environments. This role requires experience developing complete application stacks — from front-end user interface layers to backend data storage systems.

Columbia, MD12 days ago

$200,000–$220,000

This role supports the Cybersecurity Intelligence Team (CIT) in maintaining and enhancing software applications that enable cyber threat intelligence automation and data normalization. We are seeking a Full-Time Software Engineer Level 3 to support a cybersecurity intelligence mission focused on automation and threat intelligence normalization.

Columbia, MD12 days ago

$180,000–$220,000

We are seeking a senior-level development and operations professional to support enterprise-level cybersecurity systems within a highly classified Maryland-based customer. This role blends advanced development knowledge with operational system oversight in complex enterprise environments.

Columbia, MD12 days ago

$180,000–$220,000

This engineer will work within complex secure systems, supporting software enhancement, system optimization, and secure application development efforts. We are seeking a Full-Time Software Engineer Level 3 supporting cybersecurity-focused enterprise initiatives in the Fort Meade region.

New!

Arlington, VAToday

$110,000–$165,000 Per Year

With deep expertise in cloud-first architectures, automation, DevSecOps, virtualization, reliability engineering, and large-scale systems integration, we help organizations modernize infrastructure, improve operational efficiency, and support mission-critical environments where performance, security, and resiliency are essential. Our teams partner closely with customers to deliver innovative solutions across cloud strategy, cybersecurity, systems integration, data engineering, machine learning, AI, disaster recovery, and enterprise infrastructure initiatives.

New!

McLean, VA2 days ago

The position focuses on enabling reliable and scalable software delivery by building and optimizing CI/CD pipelines, infrastructure automation, and deployment workflows, while improving developer experience, release velocity, application quality, and system reliability across multi-stack environments. We have an immediate need for a mid-level DevSecOps Engineer to support the development, enhancement, and operation of scalable, application-focused CI/CD pipelines and automation frameworks for build, test, and deployment workflows in AWS GovCloud.

New!

Gaithersburg, MDToday

Remote

$135,000–$150,000 Per Year

With deep expertise in cloud-first architectures, automation, DevSecOps, virtualization, reliability engineering, and large-scale systems integration, we help organizations modernize infrastructure, improve operational efficiency, and support mission-critical environments where performance, security, and resiliency are essential. We work closely with stakeholders at every level of the organization—from executive leadership to engineering and operations teams—to provide scalable, resilient, and secure technology solutions that solve complex business and operational challenges.

New!

Washington, DCToday

Remote

$100,000–$165,000 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. We are seeking a highly skilled System Integration & Test Engineer to support a large-scale FAA Air Traffic Control modernization initiative focused on next-generation aviation and mission-critical systems.

New!

McLean, VA1 day ago

$11,000–$130,000

Credence has an immediate opening for a Business Analyst who will be primarily responsible for supporting the Defense Logistics Agency, Defense Automated Addressing Systems, Digital Transformation program. Work closely with cross-functional teams to meet project deadlines and deliver software solutions that meet or exceed client expectations.

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Software Developer Jobs in Ellicott City, MD

Jr. Software Developer Company Confidential

AI Software Developer Leidos

Lead AI Software Developer Leidos

Principal Software Developer Leidos

Lead DevSecOps Software Developer Leidos

Software Developer - Multiple Levels - TS/SCI Poly Required Leidos

Cloud Full-Stack Software Developer Company Confidential

Software Developer Associate General Dynamics Information Technology

Lead Software Developer Leidos

Software Developer Leidos

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

Software Developer NuAxis Innovations

Dev10 Software Developer - Remote Genesis10

Senior Software Engineer (C++ / Java) Jobot

Sr. Software Engineer Jobot

Senior Python Developer Jobot

Software Engineer Jobot

Software Engineer (TS/SCI & full scope Polygraph) Jobot

Application Developer Leidos

Salesforce Developer Leidos

Staff Software Engineer Grafana Labs

Salesforce Senior Developer Leidos

Informatica Developer Pinnacle Technical Resources

Mobile/Web Developer (.Net) Air Line Pilots Association

Senior ServiceNow Developer Capgemini Government Solutions LLC

ServiceNow Developer Capgemini Government Solutions LLC

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

Sr .Net Architect / Developer eSolutionsFirst, LLC

Expert ETL Developer Drevol LLC

Drupal Developer CSZNet, Inc.

Senior ETL Developer Drevol LLC

Senior Backend Engineer Jobot

Product Manager, Cybersecurity Software (Offensive-Informed, Commercial Focus) Leidos

Senior Power BI Developer Drevol LLC

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

Sr Power Apps Developer CSZNet, Inc.

Software Engineer II - ( TS/SCI FS Poly Required) Gables Search Group

Software Engineer (AWS/HCI) - ( TS/SCI FS Poly Required) Gables Search Group

Software Engineer III ARCTICOM LLC

Senior Software Engineer – Full Stack ( TS/SCI FS Poly Required) Gables Search Group

Software Engineer III - ( TS/SCI FS Poly Required) Gables Search Group

Senior Software Engineer – Operations - Active TS/SCI with Full Scope Poly Gables Search Group

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

System Integration & Test Engineer Jobot

DevSecOps Engineer Credence

Senior QA Lead / Senior QA Analyst Jobot

System Integration & Test Engineer (FAA / Air Traffic Control) Jobot

Business Analyst Credence

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