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Principal developer vs senior software engineer

The differences between principal developers and senior software engineers can be seen in a few details. Each job has different responsibilities and duties. It typically takes 2-4 years to become both a principal developer and a senior software engineer. Additionally, a principal developer has an average salary of $126,772, which is higher than the $114,494 average annual salary of a senior software engineer.

The top three skills for a principal developer include java, apis and architecture. The most important skills for a senior software engineer are java, python, and javascript.

Principal developer vs senior software engineer overview

Principal DeveloperSenior Software Engineer
Yearly salary$126,772$114,494
Hourly rate$60.95$55.05
Growth rate21%21%
Number of jobs303,930338,989
Job satisfaction-3
Most common degreeBachelor's Degree, 70%Bachelor's Degree, 69%
Average age3939
Years of experience44

What does a principal developer do?

In the information technology industry, a principal developer is in charge of spearheading software and application development projects. It is their duty to perform extensive research and analysis, set objectives and guidelines, establish budgets and timelines, lead the planning and implementation stages, and develop strategies to optimize operations. They must also maintain an active communication line with staff to resolve issues should any arise. Moreover, as a principal developer, they must monitor the projects' workflow to ensure that everything runs smoothly and efficiently.

What does a senior software engineer do?

Senior software engineers are experienced employees who would usually take the lead in projects related to software development. They are in charge of determining the needs of the organization, checking whether there are feasible solutions to challenges, and creating plans for the development of a software solution. They provide a sound analysis of data collected during the testing phase of the software and address any problems during the software development phase. Once the software has been developed, they then ensure that it works well and that it addresses the needs and expectations of the users.

Principal developer vs senior software engineer salary

Principal developers and senior software engineers have different pay scales, as shown below.

Principal DeveloperSenior Software Engineer
Average salary$126,772$114,494
Salary rangeBetween $96,000 And $166,000Between $86,000 And $151,000
Highest paying CitySan Francisco, CASan Francisco, CA
Highest paying stateWashingtonCalifornia
Best paying companyGoogleThe Citadel
Best paying industryFinanceRetail

Differences between principal developer and senior software engineer education

There are a few differences between a principal developer and a senior software engineer in terms of educational background:

Principal DeveloperSenior Software Engineer
Most common degreeBachelor's Degree, 70%Bachelor's Degree, 69%
Most common majorComputer ScienceComputer Science
Most common collegeStanford UniversityMassachusetts Institute of Technology

Principal developer vs senior software engineer demographics

Here are the differences between principal developers' and senior software engineers' demographics:

Principal DeveloperSenior Software Engineer
Average age3939
Gender ratioMale, 80.3% Female, 19.7%Male, 81.4% Female, 18.6%
Race ratioBlack or African American, 4.6% Unknown, 4.9% Hispanic or Latino, 8.4% Asian, 29.8% White, 52.2% American Indian and Alaska Native, 0.2%Black or African American, 4.6% Unknown, 4.8% Hispanic or Latino, 8.4% Asian, 31.8% White, 50.2% American Indian and Alaska Native, 0.2%
LGBT Percentage8%8%

Differences between principal developer and senior software engineer duties and responsibilities

Principal developer example responsibilities.

  • Manage development of DFMEA for door systems to achieve optimize design base on risk factors.
  • Develop a CRM application to manage workflow of customer requests and to provide customer centric view for back office processors.
  • Conduct market research, develop partnerships, manage financial administration, and negotiate IP licensing.
  • Utilize cloud computing to run batches of simulation scripts in parallel.
  • Develop bi-directional JNI bridge for Java components to talk to KEPServerEX v6 configuration C/REST APIs.
  • Mentor developers on web development using html, css, javascript, and various backend technologies.
  • Show more

Senior software engineer example responsibilities.

  • Work with Microsoft TFS to manage work items and source control.
  • Lead team in development of a custom reservoir simulation data mining and visualization tool.
  • Used and written maven scripts to manage dependencies and to build and deploy the application locally and in DEV environments.
  • Develop Unix scripts for cross cap system integration system, enhance the existing Unix scripts to achieve better performance and throughput.
  • Configure and manage Debian Linux kernel security and networking components.
  • Collaborate with project manager in tracking and managing project development process following SDLC and RBPM methodologies.
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Principal developer vs senior software engineer skills

Common principal developer skills
  • Java, 10%
  • Apis, 7%
  • Architecture, 6%
  • Cloud, 5%
  • JavaScript, 5%
  • Web Services, 5%
Common senior software engineer skills
  • Java, 13%
  • Python, 6%
  • JavaScript, 5%
  • Architecture, 5%
  • Database, 4%
  • GIT, 3%

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