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Senior Php Developer Jobs in Seattle, WA (NOW HIRING)

Stem Xpert

PHP Developer

Seattle, WA

PHP Developer Location: Seattle,WA 6+ months Responsibilities: Perform software development and reverse engineering on high profile project Perform moderately complex analysis, design and development ...

Mg2 Corporation

Senior Full Stack Developer

Seattle, WA · On-site

$12K - $17K/yr

The Senior Full Stack Developer is a senior technical contributor and emerging people leader ... Experience with one or more of the following: js, Java, PHP * Ability to build APIs, services, and ...

MG2

Senior Full Stack Developer

Seattle, WA

$12K - $17K/yr

The Senior Full Stack Developer is a senior technical contributor and emerging people leader ... Experience with one or more of the following: js, Java, PHP * Ability to build APIs, services, and ...

Collabera

Sr Application Developer

Seattle, WA · On-site

$109K - $150K/yr

Familiarity with programming languages - PHP, Java, C# etc Working knowledge of SQL and various databases (Relational and No-SQL) Cross browser experience in UI designing and development Familiar ...

Menzo Technologies

Frontend Developer

Seattle, WA · On-site

$118K - $137K/yr

Frontend Developer Location: Bellevue Rate: DOE Note: Only local candidates in the seattle area ... Exposure to PHP, C# and other languages is a plus * Prior experience building large-scale customer ...

Menzo Technologies

Frontend Developer

Seattle, WA · On-site

$118K - $137K/yr

Frontend Developer Location: Bellevue Rate: DOE Note: Only local candidates in the seattle area ... Exposure to PHP, C# and other languages is a plus * Prior experience building large-scale customer ...

SRI Tech solutions Inc

Sr. Developer

Redmond, WA · On-site

$61 - $80.75/hr

Position: Sr. Developer Location: Redmond, WA Duration: 6 Months + Description: Seeking a Sr. Developer who can work independently on project deliverables. Skills Required: * 7+ Years of experience ...

SRI Tech solutions Inc

Sr. Developer

Redmond, WA · On-site

$61 - $80.75/hr

Position: Sr. Developer Location: Redmond, WA Duration: 6 Months + Description: Seeking a Sr. Developer who can work independently on project deliverables. Skills Required: * 7+ Years of experience ...

University of Washington

Front-End Developer

Seattle, WA · On-site

$118K - $137K/yr

This position also plays an active role in the broader UW developer community, including ... Ability to write functional PHP. * Strong understanding of UX standards and/or Universal Design.

Uw

Front-End Developer

Seattle, WA · Hybrid

$118K - $137K/yr

This position also plays an active role in the broader UW developer community, including ... Ability to write functional PHP. * Strong understanding of UX standards and/or Universal Design.

Rock Connections

Software Developer I

Seattle, WA

$118K - $145K/yr

Familiarity with backend technologies (Node.js, Go, PHP). * Experience or willing to learn with web technologies (HTML, CSS, JavaScript). * Experience with databases (SQL, NoSQL). * Knowledge of ...

Redfin Corporation

Software Developer I

Seattle, WA · On-site

$118K - $145K/yr

Familiarity with backend technologies (Node.js, Go, PHP). * Experience or willing to learn with web technologies (HTML, CSS, JavaScript). * Experience with databases (SQL, NoSQL). * Knowledge of ...

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Senior Php Developer information

See Seattle, WA salary details

$84.8K

$141.5K

$198K

How much do senior php developer jobs pay per year?

As of Aug 22, 2026, the average yearly pay for senior php developer in Seattle, WA is $141,488.00, according to ZipRecruiter salary data. Most workers in this role earn between $120,100.00 and $157,000.00 per year, depending on experience, location, and employer.

What is a senior PHP developer?

A senior PHP developer is a software engineer who creates websites, programs, and applications using PHP, a programming language. Job duties may include working with deployment tools, writing code, and supervising other developers. People in this career often work for an IT firm or software development company. Qualifications for a senior PHP developer include years of experience in the field in addition to a bachelor’s degree in computer science.

What are some common challenges senior PHP developers face when working on large-scale projects?

Senior PHP Developers often encounter challenges such as maintaining code quality in legacy systems, ensuring application scalability, and managing tight deadlines while coordinating with cross-functional teams. Balancing new feature development with refactoring older code can be demanding, especially in fast-paced environments. Effective communication with front-end developers, DevOps engineers, and project managers is essential to overcome these challenges and deliver robust, high-performance solutions.

What are the key skills and qualifications needed to thrive as a senior PHP developer, and why are they important?

A Senior PHP Developer should have advanced proficiency in PHP, strong understanding of OOP principles, and significant experience with web development frameworks, typically supported by a bachelor's degree in computer science or related field. Familiarity with tools such as Composer, Git, Docker, and frameworks like Laravel or Symfony, as well as knowledge of SQL and RESTful APIs, is usually required. Excellent problem-solving, communication, and leadership skills help in mentoring junior developers and collaborating across teams. These skills ensure the delivery of robust, scalable applications and foster a productive, innovative development environment.

What is the difference between Senior Php Developer vs PHP Developer?

AspectSenior PHP DeveloperPHP Developer
Required Experience5+ years, leadership skills1-3 years, foundational skills
CertificationsOptional, but preferred (e.g., PHP certifications)Typically not required
Work EnvironmentLeading projects, mentoring juniorsDeveloping features, fixing bugs
ResponsibilitiesArchitecting solutions, code reviewsWriting code, testing

The main difference between a Senior PHP Developer and a PHP Developer lies in experience, responsibilities, and leadership. Senior PHP Developers typically have more experience, take on leadership roles, and handle complex projects, while PHP Developers focus on coding and implementing features. Both roles are essential in web development teams, but the senior position involves more strategic and mentoring duties.

How much do senior PHP developers earn?

Senior PHP developers typically earn between $70,000 and $120,000 annually, depending on experience, location, and company size. They often possess skills in frameworks like Laravel or Symfony and may have certifications that can influence salary levels.

Is a Senior PHP Developer in demand?

Senior PHP Developers are in demand due to ongoing needs for web application development and maintenance. They are often required to have skills in frameworks like Laravel or Symfony and experience with database management, making them valuable in many organizations seeking experienced backend developers.

What is a senior PHP developer's salary?

A senior PHP developer's salary typically ranges from $80,000 to $120,000 annually, depending on experience, location, and company size. They often possess strong skills in PHP frameworks, database management, and version control systems, which can influence compensation levels.
More about Senior Php Developer jobs

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For Senior Php Developer jobs in Seattle, WA, the most frequently searched job titles are:

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The top searched job categories for Senior Php Developer jobs in Seattle, WA are:

What cities near Seattle, WA are hiring for Senior Php Developer jobs?

Cities near Seattle, WA with the most Senior Php Developer job openings:

Senior Php Developer jobs near you
Infographic showing various Senior Php Developer job openings in Seattle, WA as of August 2026, with employment types broken down into 80% Full Time, 5% Part Time, and 15% Contract. Highlights an 83% Physical, 5% Hybrid, and 12% Remote job distribution, with an average salary of $141,488 per year, or $68 per hour.

PHP Developer

Stem Xpert

Seattle, WA

Contractor

Re-posted 15 days ago

Job description

Job Description

PHP Developer
Location: Seattle,WA
6+ months
Responsibilities:
       Perform software development and reverse engineering on high profile project
       Perform moderately complex analysis, design and development of new solutions, maintain existing software baselines
       Identify modules that need to be refactored to improve functionality or performance
       Focus on quality by test automation and building a continuous integration pipeline
       Preserve consistency and best-practices across all of our services
       Design features and deliver code that addresses end-customer and internal business requirements
       Maintain a high output, high expectation, and rewarding work environment
       Triage and troubleshoot complex customer issues
Qualifications:
       5+ years professional software design in following:  PHP, C#, and database (SQL Server or My SQL)
       2+ years professional software design using JavaScript  and designing APIs (REST)
       Experienced writing javascript code and libraries for production e-commerce or web applications
       Solid understanding of web protocols including HTTP and other protocol
       Natural tendency to dig into hard problems because finding solutions is fulfilling
       Ability to pick up and build upon new concepts quickly
       Experience with working outsource team is a plus
       BS or MS degree in computer science or mathematics  
       Experience in healthcare software is preferred

Additional Information



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About stem xpert

Sourced by ZipRecruiter

STEM Xpert, based in Ann Arbor, MI, US, is a leading company in the Science, Technology, Engineering, and Mathematics (STEM) education industry. Since their establishment, they have made an indelible mark by providing innovative services and products designed to enhance STEM learning. Their service portfolio includes comprehensive educational programs, customized learning modules and interactive STEM kits. Driven by a passion for nurturing young minds, the company's mission is to bring about an educational renaissance in the STEM field, making learning not just theoretical but practical and fun. One notable achievement for STEM Xpert has been its success in reaching a broad spectrum of learners, from school-age to adults, contributing significantly towards empowering the community's technological and scientific literacy.

Industry

Recruiting and staffing services

Company size

51 - 200 Employees

Headquarters location

Ann Arbor, MI, US

Year founded

2012

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