Demo

Senior Fullstack Software Engineer

CourtAvenue
Seattle, WA Full Time
POSTED ON 9/8/2026
AVAILABLE BEFORE 11/7/2026

Gigantic Playground, a CourtAvenue company, is a fast-growing creative technology agency that creates immersive and interactive experiences that connect people, places, and products in extraordinary ways. Our unique experience technology approach blends creativity, immersive storytelling, and product innovation to create dynamic experiences that captivate, engage, and delight.


 

We are in search of a Senior Full-Stack Software Engineer to join our Gigantic Playground team. In this role, you will play a crucial part in driving technological innovation for our clients, primarily in the business-to-consumer sector. Your primary responsibilities will involve crafting cutting-edge interactive experiences for our clients’ customers. You will explore technology solutions, create prototypes, and ultimately implement production-ready solutions in collaboration with internal, client, and partner teams. Furthermore, you will be encouraged to continuously enhance your skills, share your knowledge with colleagues, and inspire others to excel.

The ideal candidate for the Senior Full-Stack Engineer position is a skilled developer and engineer with a knack for adaptability and a deep curiosity for emerging technologies. You should be self-motivated, capable of independent work, and possess a strong desire for professional growth. Additionally, you should thrive in a collaborative team environment, prioritize end-user experiences, and have a firm grasp of project lifecycles. Your commitment to delivering high-quality work within a fast-paced environment while ensuring user satisfaction is paramount.

The Gigantic Playground team specializes in envisioning and implementing innovative ways for end-users to interact with technology, often in ways that may not resemble traditional technology. The team oversees the entire process, from ideation and architecture to the development and installation of Gigantic Playground experiences, in partnership with our clients.

 

 

 

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Job Responsibilities
  • Provide effort estimates and solution proposals for customer requirements, occasionally from a sales-oriented perspective.
  • Assist in presenting solutions and options to client business stakeholders.
  • Engage in technical discovery sessions with clients and internal stakeholders.
  • Lead the development process, solution design, and implementation to ensure on-time, on-budget, and high-quality delivery of client projects.
  • Contribute to refining processes and practices to achieve delivery excellence, team satisfaction, and client contentment.
  • Research new technologies and identify vendors and resources aligned with the client’s technical strategies.
  • Promote knowledge and skill development among peers and client staff to support future growth at both the agency and client levels.
  • Collaborate in creating prototypes and proofs-of-concept for rapid learning, validation, and iteration.

 


Essential Skills
  • Experience in client-facing roles with a consultative focus (agency or business consulting).
  • Proficiency in SaaS and cloud-based solutions.
  • Strong presentation and communication skills.
  • Competence in requirements gathering and technical/non-technical documentation.
  • Familiarity with ALM tools (e.g., Jira, TeamCity, TFS, Git).
  • Understanding of agile principles, including scrum and backlog management.
  • Self-driven, dynamic, and exceptional problem-solving abilities.
  • Ability to extract valuable lessons from both successful and unsuccessful projects while maintaining a positive attitude towards learning from past experiences.
  • Proven expertise in full-stack development (Web UX/UI, REST APIs, Backend, DB modeling, CI/CD, and Deployment automation).
  • Proficiency in Linux or MacOS command-line tools and Bash shell scripting.
  • Strong awareness of web performance factors, including on-page and external solutions (CDN, caching, etc.).
  • Experience with automated testing for both backend and frontend.
  • Bachelor’s degree in computer science, systems management, another engineering discipline, or equivalent field experience.


Requirements
  • 5 years of industry experience required; 7 years preferred
  • Full-stack development experience (REST APIs, Backend, DB modeling, CI/CD, Web UX/UI, HTML/CSS, Mobile Responsive).
  • Broad programming skills (e.g., NodeJS, JavaScript, SQL, C#, Java, Swift, Kotlin).
  • Expertise with platforms like RabbitMQ, MongoDB, and ExpressJS.
  • Expertise with React or Vue for Web UI and associated tools (e.g., Webpack).
  • Ability to design and develop highly reliable, fault-tolerant systems.
  • Proficiency in Automated Testing and Unit Testing.
  • Experience with cloud infrastructure providers (e.g., AWS, Azure, Google Cloud).
  • Experience using Docker/Container technologies for development and production.
  • Knowledge of infrastructure as code.
  • Experience with databases.


Bonus Skills
  • Expertise in Cloud-First Solutions.
  • Experience with mobile technologies like Flutter, React Native, Swift, and Kotlin.
  • Experience with advanced DevOps, Cloud CI/CD, Ansible, and Exensice Container Deployments at scale.
  • Background in Test-Driven Design.
  • Experience using Docker/Container technologies for development and production.
  • Knowledge of infrastructure as code.
  • Experience with databases.


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$115,000 - $145,000 a year
Final compensation will be determined based on total related experience as well as geography.
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Gigantic Playground is an Equal Opportunity Employer. Gigantic Playground recruits qualified applicants without regard to race, color, religion, sex (including pregnancy), sexual orientation, gender identity, national origin, age, disability, status as a protected veteran, or genetic information.

Gigantic Playground participates in the E-Verify program. In compliance with federal law, all persons hired will be required to verify identity and eligibility to work in the United States and to complete the required employment eligibility verification form (I-9) upon hire.

Salary : $115,000 - $145,000

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