Top 1563 Web Applications Developer Jobs in Lanham, MD

Principal Software Engineer (SWE-4)
Leidos —Annapolis Junction, MD
- $131,300 - $237,350 a year
- Full-time
- 11+ years
- Java
- Bachelor's degree
- Paid holidays
- Paid time off
Senior Python Developer
Leidos —Columbia, MD
- $131,300 - $237,350 a year
- Full-time
- Azure
- Computer Science
- Bachelor of Science
Principal Test Engineer (SDET)
Navy Federal Credit Union —Vienna, VA
- $110,500 - $141,600 a year
- Online Application
- Computer science
- Azure
- Computer Science
Mid-Level Software Engineer
Leidos —Alexandria, VA
- $87,100 - $157,450 a year
- Full-time
- Azure
- Computer Science
- Mid-level
9d
Mid-Level Software Engineer
Leidos —Gaithersburg, MD
- $87,100 - $157,450 a year
- Full-time
- Azure
- Computer Science
- Mid-level
9d
PHP WEB Developer
GeneDx, Inc —Gaithersburg, MD
- Computer science
- Computer Science
- Mid-level
Quick Apply
Web Developer
Greystones Group —Washington, DC
- Software troubleshooting
- Mid-level
- Master's degree
Quick Apply
Front-End Web Developer – JavaScript/JQuery/HTML5
B-Line Express —Columbia, MD
- Email
- Mid-level
- Analysis skills
- US work authorization
Coldfusion Web Developer
B-Line Express —Columbia, MD
- Email
- Research
- Mid-level
- 3 years
Web Application Developer, Senior
AMERICAN SYSTEMS —Washington, DC
- $155,000 - $175,000 a year
- Full-time
- Computer science
- Computer Science
- 8 years
- Retirement plan
Mobile/Web Developer (.Net)
Air Line Pilots Association, Int'l. —McLean, VA
- $96,027 - $137,179 a year
- Hybrid work
- Microsoft Outlook
- Computer Science
- Research
- Commuter assistance
- Health savings account
Software Developer (Hiring Event)
National Geospatial-Intelligence Agency —Springfield, VA
- $85,447 - $158,322 a year
- Online Application
- Computer Science
- Pass drug screening
- Mid-level
7d
Associate Software Developer
Constellation Inc —Washington, DC
- $110,000 - $130,000 a year
- Full-time
- Hybrid work
- Computer Science
- Mid-level
- Bachelor's degree
- Disability insurance
- Health insurance
Quick Apply
5d
Web Developer
T-Rex Solutions —Fort Meade, MD
- $180,000 - $230,000 a year
- Computer science
- Azure
- Computer Science
- Paid parental leave
- Health insurance
Quick Apply
Web UI/UX Developer
NAG, Inc —Washington, DC
- Full-time
- DevOps
- Office
- SharePoint
- Flexible schedule
Web Developer (Telework Available)
Red Arch Solutions —Annapolis Junction, MD
- $180,000 - $187,000 a year
- Email
- Remote
- 11+ years
- Bachelor's degree
- Senior level
- Profit sharing
- Paid holidays
13d
Entry Web Developer
Lentech Inc. —Laurel, MD
- $171,000 - $184,000 a year
- Full-time
- Computer science
- Azure
- Computer Science
Quick Apply
WEB FRONT END DEVELOPER
Donan Consulting —Washington, DC
- Mid-level
- Communication skills
Quick Apply
Frontend Developer
Lucky Rabbit —Washington, DC
- $120,000 - $140,000 a year
- Full-time
- Remote
- Mid-level
- 3 years
- Analysis skills
- Health insurance
- Dental insurance
Quick Apply
6d
Web Developer
Hive Group LLC —McLean, VA
- $80,000 - $100,000 a year
- Email
- Hybrid work
- Computer Science
- System design
- Mid-level
- Paid holidays
- Disability insurance
Quick Apply

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Web Applications Developer jobs near Lanham, MD

Principal Software Engineer (SWE-4)

Leidos -
Annapolis Junction, MD

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Job Details

Full-time
$131,300 - $237,350 a year

Benefits

Paid holidays
Paid time off
Parental leave
401(k) 6% Match
401(k) matching
Flexible schedule

Qualifications

Java
TS/SCI with Polygraph
Python
Shell Scripting

Full Job Description

Description

Leidos has a new and exciting opportunity for a Principal Software Engineer in our Intelligence Sector's (INTEL) 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 vesting, Flexible Schedules, Discounted Stock Purchase Plans, Technical Upskilling, Education and Training Support, Parental Paid Leave, and much more. Join us and make a difference in National Security!

Job Summary:

Our LOE program provides our customer's Operations organization with the best possible solutions for their mission needs. We achieve this through rapid prototyping, new development, and advanced technology research. From leading-edge visualizations to analytic development, we're always pushing the boundaries to find new and better data sources and tradecraft to answer intelligence questions. With a focus on collaboration and a fast-paced environment, our prototype development program is the ideal place to grow your skills and make a real impact. Click here to learn more about how this program “Delivers Mission Success!”

Seeking an experienced and talented software developer to join an existing team that develops and manages software products and tools integral to discovering new mobile data related to the mission. This role includes application development in support of the mission and managing the product's infrastructure and DevOps environment. You will be working in a highly collaborative, integrated environment.

Qualified candidates are eligible for enhanced incentives including up to a $25K cash sign on bonus or a paid time off bonus.

Job Responsibilities/Qualifications:

Mission Focus: Perform security analysis of web services on Android and OSX platforms to develop automation tools to scrape data and interact with public and private APIs.
Technical Proficiency: Strong experience with Java, Python, JavaScript, and shell scripting
Qualifications: Bachelor's degree plus eleven (11) years of relevant development experience or equivalent.
Security Clearance: Candidates must possess an active TS/SCI with Polygraph to be considered for this role.
Desirable Skills: Additional experience with Android development, browser automation with Selenium, reverse engineering; familiarity with AI

At Leidos, the opportunities are boundless. We challenge our staff with interesting assignments that allow them to thrive professionally and personally. For us, helping you grow your career is good business. We look forward to learning more about you – apply today!

Careers.leidos.com

conmd

If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 — and moving faster than anyone else dares.

Original Posting:

May 27, 2026

For 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.

Pay Range:

Pay Range $131,300.00 - $237,350.00

The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. 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.

About Leidos

Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of approximately $16.7 billion for the fiscal year ended January 3, 2025. For more information, visit www.Leidos.com.

Pay and Benefits

Pay and benefits are fundamental to any career decision. That's why we craft compensation packages that reflect the importance of the work we do for our customers. Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement. More details are available at www.leidos.com/careers/pay-benefits.

Securing Your Data

Beware of fake employment opportunities using Leidos’ name. Leidos will never ask you to provide payment-related information during any part of the employment application process (i.e., ask you for money), nor will Leidos ever advance money as part of the hiring process (i.e., send you a check or money order before doing any work). Further, Leidos will only communicate with you through emails that are generated by the Leidos.com automated system – never from free commercial services (e.g., Gmail, Yahoo, Hotmail) or via WhatsApp, Telegram, etc. 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 [email protected].

If you believe you are the victim of a scam, contact your local law enforcement and report the incident to the U.S. Federal Trade Commission.

Commitment to Non-Discrimination

All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws.

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Refine Your Search

Web Applications Developer jobs in Lanham, MD

Principal Software Engineer (SWE-4)

Senior Python Developer

Principal Test Engineer (SDET)

Mid-Level Software Engineer

Mid-Level Software Engineer

PHP WEB Developer

Web Developer

Front-End Web Developer – JavaScript/JQuery/HTML5

Coldfusion Web Developer

Web Application Developer, Senior

Mobile/Web Developer (.Net)

Software Developer (Hiring Event)

Associate Software Developer

Web Developer

Web UI/UX Developer

Web Developer (Telework Available)

Entry Web Developer

WEB FRONT END DEVELOPER

Frontend Developer

Web Developer

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