Top 57611 Software Engineer, Principal Jobs

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
System Software Engineer (Up to $30,000 sign on bonus available)
General Dynamics Information Technology —Hanover, MD
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Senior Java Engineer with Low Latency in Java Multithreading, Socket Programming, AI tools (Claude Code, Codex, Gemini CLI) - Hybrid Onsite
Yoh, A Day & Zimmermann Company —Needham, MA
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- Contract
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- Bachelor's degree
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Software Engineer Sr Advisor
General Dynamics Information Technology —Annapolis Junction, MD
- $195,500 - $264,500 a year
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Experienced Software Development Engineer
Boeing —Berkeley, MO
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- Computer science
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Software Engineer Principal Sr. - Javascript, GO, CI/CD, DevSecOps
PNC Financial Services Group —Dallas, TX
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- Full-time
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- Wellness program
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Senior Principal Software Engineer
General Dynamics Mission Systems, Inc —Annapolis Junction, MD
- $183,381 - $193,049 a year
- Full-time
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- 8 years
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Principal Software Engineer
ServiceNow —Santa Clara, CA
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- Online Application
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- 11+ years
- Residential
- Employee stock purchase plan
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Principal Software Engineer (Application Engineer) - Remote
Invisible Technologies —San Francisco, CA
- Online Application
- Remote
- Research
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- Senior level
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Software Engineer, Dev Velocity (all levels)
Render —Remote
- $170,000 - $290,000 a year
- Full-time
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- Mid-level
- Linux
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Senior Software Engineer, Backend
Cortex —Remote
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- Remote
- Computer science
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- 5 years
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Software Engineer V - Principal Engineer $120,000- $160,000 DOE - Remote
ELM Utility Services —Missoula, MT
- $120,000 - $160,000 a year
- Full-time
- Remote
- Computer science
- Azure
- Computer Science
- Paid holidays
- Health insurance
Quick Apply
Software Engineer (All Levels)
Allstate —Remote
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- Computer Science
- System design
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Software Engineer, Billing (all levels)
Render —Remote
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- Full-time
- Remote
- Mid-level
- 3 years
- SQL
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- Paid parental leave
Principal Software Engineer
Lyric —Remote
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- Computer Science
- Java
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Lead Software Engineer, Backend
Cortex —Remote
- $215,000 - $245,000 a year
- Remote
- Computer science
- 7 years
- Computer Science
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Software Engineer
Tarpon Health —Remote
- $85,000 - $145,000 a year
- Full-time
- Remote
- Computer science
- Computer Science
- Engineering
Software Engineer, Cash App - Lending Products
Block, Inc. —New York, NY
- $153,000 - $270,000 a year
- Remote
- AWS
- Recruiting
- APIs
- Life insurance
- Retirement plan
Senior Software Engineer - Remote
Vivo HealthStaff —Puerto Rico
- $165,000 - $190,000 a year
- Full-time
- Remote
- 3 years
- SQL
- JavaScript
- Paid holidays
- Health insurance
Quick Apply
Principal Software Engineer - U.S. Remote
DISCO —Seattle, WA
- Remote
- Azure
- 11+ years
- AWS
- Health insurance
- Dental insurance

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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.

Apply Now

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