Senior Full Stack Developer

Posted Yesterday
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Seattle, WA, USA
In-Office
125K-170K Annually
Senior level
Professional Services • Design
The Role
Leads end-to-end full stack application development across user interface, application logic, and database layers. Owns requirements, solution design, coding, testing, documentation, deployment, troubleshooting, and performance improvements. Collaborates with program managers and business analysts, manages source control and CI/CD workflows, and mentors junior developers. The role also supports team development, knowledge sharing, and future broader leadership responsibilities.
Summary Generated by Built In
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.

Skills Required

  • Bachelor's degree in Computer Science or equivalent
  • 10 years of experience in related fields
  • Hands-on software development experience
  • Team mentoring experience
  • Ability to read, write, and understand English for job-related communications and interactions
  • Strong proficiency in HTML, CSS, and JavaScript
  • Experience with React or Angular
  • Experience with JavaScript, Java, or PHP
  • Ability to build APIs, services, and scalable backend components
  • Strong working knowledge of MS SQL and Azure SQL
  • Ability to design database schemas, write queries, and optimize performance
  • Familiarity with Git and version control strategies
  • Experience with CI/CD pipelines and standard deployment processes
Am I A Good Fit?
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The Company
400 Employees
Year Founded: 1971

What We Do

MG2 is a global architecture and design firm that creates innovative design solutions for people, communities, and organizations. It works with notable companies to design, optimize, and deliver environments that connect people through new discoveries and memorable experiences. Its practice spans architecture, brand design, interior design, and program services, serving projects ranging from consumer experiences and client programs to community environments.

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