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Senior Mern Stack Developer Jobs in Seattle, WA (NOW HIRING)

MG2

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 responsible for delivering endtoend application development while helping to mentor and shape a ...

MG2

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 responsible for delivering endtoend application development while helping to mentor and shape a ...

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 responsible for delivering end-to-end application development while helping to mentor and shape a high ...

Divensi

Full Stack Developer

Redmond, WA

Microsoft (no layers and no implementation partners) Title: Sr. Full-stack developer Location: Redmond, WA Duration: 18 months project Interview: Within 48 hours Feedback on interview: Immediate (Can ...

Divensi

Full Stack Developer

Redmond, WA · On-site

Microsoft (no layers and no implementation partners) Title: Sr. Full-stack developer Location: Redmond, WA Duration: 18 months project Interview: Within 48 hours Feedback on interview: Immediate (Can ...

Dellfor Technologies

senior .net developer

Redmond, WA

$61.50 - $78.50/hr

NET stack (WISA, WINS) C#, WPF * Recent 1+ years of developing web application in open source stack (MEAN, MERN) * 2+ years of writing code in JS (ES6), JQuery, HTML, CSS, C# * At Least 5+ years of ...

LTIMindtree

Java Full Stack Developer

Seattle, WA · On-site

$59.75 - $77.25/hr

Java Full Stack Developer Location: Seattle, WA (Hybrid role 3 days/week from day1) Seeking a Senior Specialist with 7 to 11 years of experience in Java to design develop and maintain scalable ...

LTIMindtree

Java Full Stack Developer

Seattle, WA · On-site

$59.75 - $77.25/hr

Java Full Stack Developer Location: Seattle, WA (Hybrid role 3 days/week from day1) Seeking a Senior Specialist with 7 to 11 years of experience in Java to design develop and maintain scalable ...

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How much do senior mern stack developer jobs pay per hour?

As of Jul 14, 2026, the average hourly pay for senior mern stack developer in Seattle, WA is $67.44, according to ZipRecruiter salary data. Most workers in this role earn between $56.06 and $77.69 per hour, depending on experience, location, and employer.

What are the key skills and qualifications needed to thrive as a Senior MERN Stack Developer, and why are they important?

To thrive as a Senior MERN Stack Developer, you need deep expertise in JavaScript, proficiency with MongoDB, Express.js, React.js, and Node.js, and typically a bachelor's degree in computer science or related field. Experience using source control systems like Git, familiarity with cloud platforms (e.g., AWS), and understanding of CI/CD pipelines are highly valued. Strong problem-solving, leadership, and effective communication skills help you guide teams and collaborate with stakeholders. These skills ensure efficient development of scalable web applications and effective team leadership in dynamic tech environments.

What is a Senior MERN Stack Developer?

A Senior MERN Stack Developer is an experienced software engineer who specializes in building full-stack web applications using the MERN stack: MongoDB, Express.js, React, and Node.js. They handle both front-end and back-end development, create scalable and efficient applications, and often mentor junior team members. In addition to coding, they may be responsible for designing application architecture, optimizing performance, and ensuring best practices throughout the development process.

How does a Senior MERN Stack Developer typically collaborate with other team members on large-scale projects?

As a Senior MERN Stack Developer, you’ll often work closely with front-end and back-end developers, UI/UX designers, QA engineers, and product managers to deliver robust web applications. Collaboration usually involves participating in code reviews, architectural discussions, sprint planning, and daily stand-up meetings. You may also mentor junior developers, help define best practices, and ensure seamless integration across the MERN (MongoDB, Express, React, Node.js) stack. Effective communication and teamwork are essential, especially when troubleshooting complex issues or deploying new features.
What are the most commonly searched types of Mern Stack Developer jobs in Seattle, WA? The most popular types of Mern Stack Developer jobs in Seattle, WA are:
What are popular job titles related to Senior Mern Stack Developer jobs in Seattle, WA? For Senior Mern Stack Developer jobs in Seattle, WA, the most frequently searched job titles are:
What job categories do people searching Senior Mern Stack Developer jobs in Seattle, WA look for? The top searched job categories for Senior Mern Stack Developer jobs in Seattle, WA are:
Senior Mern Stack Developer jobs near you
Senior Full Stack Developer

Senior Full Stack Developer

Colliers Engineering & Design

Seattle, WA • On-site

$12K - $17K/yr

Full-time

Medical, Life, Retirement, PTO

Posted 16 days ago

Colliers Engineering & Design rating

7.4

Company rating: 7.4 out of 10

Based on 8 frontline employees who took The Breakroom Quiz

243rd of 368 rated engineering

Job description

Overview
MG2, an affiliate of Colliers Engineering & Design, is currently looking for a Senior Full Stack Developer to join our Technology team in Seattle, WA in a hybrid work arrangement.
The Senior Full Stack Developer is a senior technical contributor and emerging people leader responsible for delivering end-to-end application development while helping to mentor and shape a high-performing team in collaboration with the Director of Product Strategy. This role requires a strong full stack developer who is comfortable owning projects, making informed and aligned decisions, partnering with stakeholders, and mentoring less experienced team members. Working across East Coast, China and India time zones may be required.
The ideal candidate thrives in a collaborative environment, builds strong working relationships, is committed to continuous learning, and demonstrates leadership traits that position them to eventually serve as a future partner and backup to the Director.
Responsibilities
  • Leads and contributes to the design, development, and implementation of full stack solutions, spanning the user interface, application logic, and database layers.
  • Owns projects end-to-end, including requirements clarification, solution design, coding, testing, documentation, and deployment.
  • Collaborates with program managers and business analysts to understand requirements, translate business needs, and ensure strong technical outcomes.
  • Develops high quality, maintainable, and scalable applications aligned with existing standards, tools, and architectural patterns.
  • Manages source control workflows, branching strategies, and CI/CD deployment pipelines.
  • Troubleshoots complex technical issues and drive long term improvements in code quality, system reliability, and performance.
  • Maintains awareness of industry trends and best practices, applying them when aligned with organizational standards and priorities.
  • Mentors and supports junior developers through technical guidance, code reviews, and structured coaching.
  • Strengthens the team by training others, building redundancy, and fostering strong knowledge sharing practices.
  • Contributes to team culture by promoting a collaborative, positive, and growth oriented working environment.
  • May manage a team of junior developors in the future.
  • Serves as a trusted advisor and eventual backup to the Development Manager, demonstrating readiness for broader leadership responsibilities.

Qualifications
  • Bachelor's in Computer Science or equivalent.
  • 10 years of experience in related fields.
  • Both hands-on development and team mentoring.
  • Ability to read, write and understand English for purposes of comprehending written job-related communications and verbal instructions and interactions.

Technical Expertise - Front End Development
  • Strong proficiency in HTML, CSS, and JavaScript.
  • Experience with frameworks such as React or Angular.
  • Experience with one or more of the following: js, Java, PHP
  • Ability to build APIs, services, and scalable backend component.

Database Technologies
  • Strong working knowledge of MS SQL and Azure SQL.
  • Ability to design schemas, write queries, and optimize performance.

Other
  • Familiarity with Git and established version control strategies.
  • Experience with CI/CD pipelines and standard deployment processes.

Compensation: $125,00 to $170,00 per year (depending on qualifications)
What We Offer
At MG2, an affiliate of Colliers Engineering & Design, we value our employees with great benefits and worthwhile programs. We are proud of the many initiatives at MG2 such as our focus on Sustainability and Inclusion & Belonging. We promote MG2 culture firmwide and within each of our offices through monthly recognition, happy hours, summer events, and an end of year Holiday Party to celebrate our accomplishments. People make the place at MG2 - Join our growing firm today!
MG2 offers competitive benefits that support our employees in their life and career. This position is eligible for company benefits including but not limited to:
  • Employer provided employee healthcare plan and reduced cost premium plans, life insurance, and short and long-term disability coverage.
  • Paid Time Off, 7 paid Holidays, and an additional 3 Floating Holidays.
  • Employer sponsored Family Planning Program and employer Paid Parental Leave.
  • Learning & Career Development opportunities.
  • Employee Wellness and Employee Assistance Program.
  • Participation in a 401K program including eligible company match percentage, after waiting period.

What Colliers Engineering & Design employees say

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Benefits

Hours and flexibility

Workplace

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About Colliers Engineering & Design

Sourced by ZipRecruiter

Colliers Engineering & Design, an affiliate of Colliers, is a trusted provider of multi-discipline engineering and architecture, design and consulting services to public and private sector clients. Headquartered in Holmdel, New Jersey with offices throughout the United States, we specialize in providing a comprehensive suite of services including civil/site, architecture, transportation, survey/geospatial, infrastructure, governmental, geotechnical/environmental, telecommunications, utilities/energy and project management. We employ professionals who utilize the most advanced technologies to deliver customized solutions for our clients.

Industry

Engineering professional services

Company size

1,001 - 5,000 Employees

Headquarters location

Holmdel, NJ, US

Year founded

1984

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