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Senior Full Stack Software Developer Jobs in Seattle, WA

Ally

Senior Full Stack Engineer

Bellevue, WA

As Senior Full Stack Software Engineer in our Seattle-based team, you be involved in every aspect of Ally, from design to deployment and help build, evolve, and support the product. You will work ...

Ally

Senior Full Stack Engineer

Bellevue, WA · On-site

As Senior Full Stack Software Engineer in our Seattle-based team, you be involved in every aspect of Ally, from design to deployment and help build, evolve, and support the product. You will work ...

Expedia

Full Stack Software Engineer II

Seattle, WA · On-site

$190K/yr

As a Full Stack Software Engineer working on Expedia's critical production checkout applications, your mission will be to ensure Expedia Checkout is always fast, available, scalable, and engineered ...

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All JobsFull Stack Software Developer JobsSenior Full Stack Software Developer JobsSenior Full Stack Software Developer Jobs in Seattle, WA

Senior Full Stack Software Developer information

See Seattle, WA salary details

$27

$67

$97

How much do senior full stack software developer jobs pay per hour?

As of Aug 12, 2026, the average hourly pay for senior full stack software developer in Seattle, WA is $67.48, according to ZipRecruiter salary data. Most workers in this role earn between $56.11 and $77.74 per hour, depending on experience, location, and employer.

What is the difference between Senior Full Stack Software Developer vs Software Engineer?

AspectSenior Full Stack Software DeveloperSoftware Engineer
CredentialsBachelor's degree in CS or related field; experience in full stack developmentBachelor's degree in CS or related field; may have certifications in specific technologies
Work EnvironmentCollaborates across front-end and back-end teams, often in agile settingsDesigns, develops, and maintains software applications, often in teams or individually
Industry UsageCommon in tech companies, startups, and agencies requiring versatile development skillsWidely used across industries for software development roles

While both roles involve software development, a Senior Full Stack Software Developer specializes in both front-end and back-end technologies, often taking on leadership responsibilities. A Software Engineer may focus on specific areas of software design and implementation, with less emphasis on full stack expertise. The roles overlap in skills and industry usage, but the senior developer typically has broader responsibilities and experience in full stack development.

What are the key skills and qualifications needed to thrive as a senior full stack software developer?

A Senior Full Stack Software Developer needs advanced proficiency in both front-end and back-end programming languages, strong problem-solving skills, and several years of relevant software development experience. Familiarity with frameworks like React or Angular, back-end technologies such as Node.js or Django, and experience with cloud platforms, CI/CD tools, and version control systems like Git are typically required. Excellent communication, teamwork, and leadership abilities help developers collaborate effectively and mentor junior team members. These skills are crucial for designing robust, scalable applications and leading complex projects to successful completion.

What is a senior full stack software developer?

A Senior Full Stack Software Developer is an experienced professional who designs, develops, and maintains both the front-end and back-end components of web applications. They are proficient in multiple programming languages and frameworks, enabling them to work on the entire technology stack, from databases and servers to user interfaces. In addition to coding, they often lead projects, mentor junior developers, and help architect scalable solutions that meet business needs. Their role requires strong problem-solving skills, a deep understanding of software development best practices, and the ability to collaborate with cross-functional teams.

What types of projects and technologies can a senior full stack software developer expect to work on, and how does the team typically collaborate?

As a Senior Full Stack Software Developer, you can expect to work on a diverse range of projects such as developing scalable web applications, integrating APIs, and optimizing system performance. The tech stack often includes front-end frameworks like React or Angular, back-end environments such as Node.js, Python, or Java, and databases like PostgreSQL or MongoDB. Collaboration is highly cross-functional—you’ll regularly coordinate with product managers, UX/UI designers, QA engineers, and other developers through agile methodologies, code reviews, and sprint planning sessions. This role offers opportunities to mentor junior developers, influence architectural decisions, and contribute to continuous process improvement.
What are the most commonly searched types of Full Stack Software Developer jobs in Seattle, WA? The most popular types of Full Stack Software Developer jobs in Seattle, WA are:
What cities near Seattle, WA are hiring for Senior Full Stack Software Developer jobs? Cities near Seattle, WA with the most Senior Full Stack Software Developer job openings:
Senior Full Stack Software Developer jobs near you
Infographic showing various Senior Full Stack Software Developer job openings in Seattle, WA as of August 2026, with employment types broken down into 1% Internship, 86% Full Time, 9% Part Time, and 4% Contract. Highlights an 88% Physical, 4% Hybrid, and 8% Remote job distribution, with an average salary of $140,354 per year, or $67.5 per hour.

Senior Fullstack Software Engineer

CourtAvenue

Seattle, WA • Remote

$115K - $145K/yr

Full-time

Re-posted 13 days ago

Job description

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.

 
 
 
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.
Final compensation will be determined based on total related experience as well as geography.

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.

We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses and identifying potential inconsistencies or verification signals in application materials based on available information. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.