1

Mid Level Php Developer Jobs in Seattle, WA (NOW HIRING)

Summary Are you a civil engineer ready to take the next step in your career and lead meaningful site development projects? We're looking for a mid-level Civil Design Engineer to join our growing team ...

Summary Are you a civil engineer ready to take the next step in your career and lead meaningful site development projects? We're looking for a mid-level Civil Design Engineer to join our growing team ...

... level of autonomy. Work is reviewed by others. May assist with some project management tasks. Supervisory Duties None Education and/or Experience * Bachelor of Science in Civil Engineering required

... level of autonomy. Work is reviewed by others. May assist with some project management tasks. Supervisory Duties None Education and/or Experience * Bachelor of Science in Civil Engineering required

Bachelor of Science degree in Engineering, Engineering Technology, Computer Science, Data Science, Mathematics, Physics, Chemistry * 5+ years' related work experience or an equivalent combination of ...

New

Showing results 21-40

Mid Level Php Developer information

See Seattle, WA salary details

$43.3K

$116.1K

$169.7K

How much do mid level php developer jobs pay per year?

As of Aug 8, 2026, the average yearly pay for mid level php developer in Seattle, WA is $116,149.00, according to ZipRecruiter salary data. Most workers in this role earn between $94,500.00 and $131,500.00 per year, depending on experience, location, and employer.

What is a mid level PHP developer?

Mid Level PHP Developers are software professionals who have a few years of experience working with PHP, a popular server-side scripting language used primarily for web development. They are typically responsible for writing, testing, and maintaining code, as well as collaborating with teams to develop dynamic websites and web applications. Mid level developers are expected to have a solid understanding of PHP frameworks, databases, and web technologies, and can work independently on moderately complex tasks while also mentoring junior team members. Their role bridges the gap between junior and senior developers, allowing them to take on more responsibility and contribute to project planning and architecture.

What is the difference between Mid Level Php Developer vs Junior Php Developer?

AspectMid Level Php DeveloperJunior Php Developer
Experience2-4 years of experience0-1 year of experience
SkillsProficient in PHP, frameworks, basic database managementBasic PHP knowledge, learning frameworks
ResponsibilitiesDeveloping features, troubleshooting, code reviewsAssisting in coding, learning project workflows
Work EnvironmentCollaborative teams, project-based tasksSupervised tasks, entry-level projects

The Mid Level Php Developer typically has more experience and handles more complex tasks compared to a Junior Php Developer. They are responsible for developing features, troubleshooting, and participating in code reviews, whereas Junior Php Developers focus on learning, assisting with basic coding, and gaining industry experience. The roles differ mainly in skill level, responsibility, and independence within the development team.

What are the key skills and qualifications needed to thrive as a mid level PHP developer?

A Mid Level PHP Developer should have a solid understanding of PHP programming, web development fundamentals, and experience with frameworks like Laravel or Symfony, typically supported by a relevant degree or equivalent experience. Familiarity with databases (such as MySQL), version control systems (like Git), and tools for debugging and testing is highly valued, along with knowledge of RESTful APIs. Strong problem-solving skills, attention to detail, and effective communication are important soft skills for collaborating within development teams and delivering robust solutions. These abilities ensure the developer can efficiently build scalable applications, troubleshoot issues, and contribute to successful project outcomes.

What are some common challenges mid level PHP developers face when working on legacy codebases?

Mid Level PHP Developers often encounter challenges when working with legacy code, such as outdated frameworks, inconsistent coding standards, and limited documentation. These issues can make it difficult to implement new features or fix bugs efficiently, requiring developers to spend extra time understanding existing logic. Collaboration with senior developers and open communication with the team are critical to navigating these challenges and promoting gradual codebase improvements. Additionally, it's important to balance the need for refactoring with ongoing project deadlines.
What are the most commonly searched types of Php Developer jobs in Seattle, WA? The most popular types of Php Developer jobs in Seattle, WA are:
What are popular job titles related to Mid Level Php Developer jobs in Seattle, WA? For Mid Level Php Developer jobs in Seattle, WA, the most frequently searched job titles are:
What job categories do people searching Mid Level Php Developer jobs in Seattle, WA look for? The top searched job categories for Mid Level Php Developer jobs in Seattle, WA are:
Infographic showing various Mid Level Php Developer job openings in Seattle, WA as of August 2026, with employment types broken down into 75% Full Time, 17% Part Time, and 8% Contract. Highlights an 94% Physical, 2% Hybrid, and 4% Remote job distribution, with an average salary of $116,149 per year, or $55.8 per hour.

Geotechnical Seismic Modeling Engineer (Mid-Level)

Shannon & Wilson, Inc.

Seattle, WA โ€ข On-site

$110K - $145K/yr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Re-posted 3 days ago


Job description

Job Type
Full-time
Description
Shannon & Wilson is an employee-owned consulting firm headquartered in Seattle, Washington. Committed to technical excellence and high-quality service, we provide integrated geotechnical engineering, engineering geology, environmental and natural resource services for clients worldwide. Since 1954, we have delivered comprehensive engineering and environmental solutions for the most challenging infrastructure planning, design, permitting and construction conditions.
We are dedicated to improving our communities, preserving the environment and utilizing the most innovative science practices in all our work.
Job Summary
We are seeking a Geotechnical Seismic Modeling Engineer to develop and analyze 1D/2D seismic models that support subsurface interpretation, hazard assessment, and engineering decisions. In this role, you'll run seismic simulations, interpret complex geophysical data, and collaborate with cross disciplinary teams to provide clear, actionable insights. Ideal candidates bring strong analytical skills, experience with seismic modeling tools, and the ability to communicate technical findings effectively.
Responsibilities
  • Perform geotechnical seismic hazards analyses, 1D and 2D site-response, and soil-structure-interaction evaluations for projects utilizing FLAC, PLAXIS, and other geotechnical modeling software for analysis and design.
  • Coordinate with cross-functional teams to validate structural assumptions and address emergent issues.
  • Develop and execute geotechnical numerical models with a focus on seismic analyses and soil-structure interaction including but not limited to:

- Collect and analyze geotechnical data (borings, CPTs, lab data, etc.),
- Perform model calibration including element- and system-level evaluations,
- Develop model space and boundary conditions,
- Perform model response and diagnostic evaluations,
- Post-processing and presentation of model results, and
- Translation of model response to actionable geotechnical design recommendations.
  • Perform geotechnical engineering analyses, studies, and calculations, and prepare reports.
  • Review technical reports and calculations prepared by entry-level engineers.
  • Support business development and marketing activities, including preparation of cost proposals and presentations to existing and prospective clients.
  • Perform field explorations, collection of samples, geologic reconnaissance, and mapping.
  • Perform construction observation on job sites and prepare summary logs and other documentation.
  • Follow Shannon & Wilson's Quality Assurance policy.
  • Follow and promote Shannon and Wilson's Health and Safety and Loss Prevention policies.
  • Perform other duties as assigned by your supervisor.

Requirements
  • MS or PhD Degree in Geotechnical Engineering with research relevant to geotechnical seismic hazards analysis, numerical modeling, and/or site response.
  • 7 to 14 years of experience as a Geotechnical Engineer with experience performing geotechnical seismic hazards evaluation.
  • Knowledge of ground motion and site response aspects included in building and bridge standards including AASHTO, ASCE 7, ASCE 61, ASCE 41, and CSA S6
  • Professional Engineering (PE) License in the state office is located.
  • Ability to interact and communicate with clients, vendors, and staff at all levels.
  • Supervisory experience leading, mentoring teams.
  • Excellent writing, organizational, and communication skills.
  • Must be able to manage multiple clients, contracts, and projects at the same time.
  • Personable, flexible, and professional demeanor.
  • Critical thinking and analysis.
  • The ability to work independently with the appropriate level of supervision.
  • The willingness and ability to travel (drive or fly) to field sites per project needs and job sites locally and out of state.
  • A valid driver license and insurable driving record.
  • Basic computer skills: MS Office (required).
  • Experience with Python (required).
  • Utilizing cyclic direct simple shear testing and resonant column tests results to develop modulus and damping reduction curves
  • Utilizing post-cyclic monotonic direct simple shear testing results to develop residual strength and volumetric strain estimates
  • Frequent sitting, standing, walking, bending, lifting, and carrying 30+ pounds.
  • Working in all weather conditions, on uneven terrain.

Level Placement
Typically, depending on an applicant's education, experience, other qualifications they possess, if they are a fit for the company and local office culture, and the current business needs, a Mid-Level Geotechnical Seismic Modeling Engineer typically would be placed at a Shannon & Wilson Senior Professional I, II, or III level.
Compensation:
Senior Professional I: $110,000 - $125,000
Senior Professional II: $115,000 - $135,000
Senior Professional III: $130,000 - $145,000
Shannon & Wilson is committed to providing a comprehensive total rewards package that includes the following benefits:
  • Employee stock ownership
  • Medical, prescription, vision, dental, long-term care and life insurance plans are offered to employees (and their families).
  • Pre-tax health and daycare FSA
  • Profit sharing and 401(k) plans with annual safe-harbor contributions
  • 10 - 20 paid vacation days per year for full-time employees, based on years of experience (prorated for part-time employment)
  • Sick leave accrues based on state requirements
  • 9 paid holidays per year + 1 personal holiday
  • Paid volunteer day
  • Paid time off for bereavement and jury duty
  • Two weeks of paid parental leave
  • Lunch & Live wellness webinars and an Employee Assistance Program
  • Mentorship Program
  • Tuition Reimbursement
  • Free parking

Shannon & Wilson is an Equal Opportunity Employer
Shannon & Wilson participates in the E-Verify program.
Please note that non-solicited resumes from external recruitment agencies will not be considered as introductions to our business, unless a preapproved agreement is in place and the external recruitment agency has been engaged to work on this specific vacancy.
Salary Description
$110,000 - $145,000