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Top Full-Stack Engineer Jobs in Seattle

152+ Job Results
19 Hours Ago
Seattle, WA
Remote
12,428 Employees
$139K-$245K Annually
5-7 Years of Experience
12,428 Employees
$139K-$245K Annually
5-7 Years of Experience
Blockchain • eCommerce • Fintech • Payments • Software • Financial Services • Cryptocurrency
Work as a Full Stack Developer at TIDAL, a streaming platform for artists. Collaborate with frontend and backend teams to build and deliver product features. Focus on empowering musicians with tools for their artistic journey and technical improvements for performance optimization.
Top Benefits:
401-K
401-K Matching
Commuter Benefits
+26 More
4 Days Ago
Seattle, WA
Hybrid
4,800 Employees
3-5 Years of Experience
4,800 Employees
3-5 Years of Experience
Fintech • Mobile • Software • Financial Services
Seeking a highly motivated and experienced Senior Fullstack Engineer to join our Account Creation team. Responsible for designing and implementing end-to-end solutions, both front-end and back-end. Strong sense of ownership, self-starter, and mentor. Collaborate with cross-functional teams to deliver high-quality software applications.
Top Benefits:
401-K
Child Care Benefits
Commuter Benefits
+45 More
19 Hours Ago
Seattle, WA
Remote
350 Employees
7+ Years of Experience
350 Employees
7+ Years of Experience
Artificial Intelligence • Legal Tech • Professional Services • Software
Ontra is seeking a Staff Software Engineer with expertise in Ruby on Rails. The role involves tackling complex technical challenges, architecting robust and scalable systems, and collaborating with cross-functional teams. The ideal candidate should have a passion for innovation and a results-driven approach.
Top Benefits:
401-K
Commuter Benefits
Company Equity
+39 More
5 Days Ago
Seattle, WA
5,600 Employees
1-3 Years of Experience
5,600 Employees
1-3 Years of Experience
Fintech • Payments
Full Stack Engineer responsible for building end-to-end features for Stripe's Accounts APIs, ensuring infrastructure extensibility and collaborating with cross-functional teams for developer experiences.
Top Benefits:
401-K
401-K Matching
Adoption Assistance
+30 More
19 Hours Ago
Seattle, WA
Remote
5,600 Employees
5-7 Years of Experience
5,600 Employees
5-7 Years of Experience
Fintech • Payments
Build and own systems, products, internal tools, and customer-facing experiences for a financial infrastructure platform. Partner with engineers and scientists to build ML-driven systems and web applications using React and JavaScript. Lead technical projects, improve engineering standards, and collaborate with product and business leaders.
Top Benefits:
401-K
401-K Matching
Adoption Assistance
+30 More
19 Hours Ago
Seattle, WA
Remote
12,428 Employees
$139K-$245K Annually
5-7 Years of Experience
12,428 Employees
$139K-$245K Annually
5-7 Years of Experience
Blockchain • eCommerce • Fintech • Payments • Software • Financial Services • Cryptocurrency
Square Appointments is looking for a Senior Software Engineer to work on the backend that powers the Square Appointments platform. Responsibilities include designing and building software experiences, maintaining services, and executing complex feature releases. Must have 5+ years of relevant experience and strong familiarity with Ruby and/or Rails.
Top Benefits:
401-K
401-K Matching
Commuter Benefits
+26 More
19 Hours Ago
Seattle, WA
Remote
4,800 Employees
$155K-$178K Annually
7+ Years of Experience
4,800 Employees
$155K-$178K Annually
7+ Years of Experience
Fintech • Mobile • Software • Financial Services
Research, design, and develop computer and network software. Update and enhance existing software capabilities. Work on full-stack development including front-end and back-end technologies. Collaborate with engineering and product stakeholders to build financial products and tools. Mentor other engineers, support technical culture, and help grow the team.
Top Benefits:
401-K
Child Care Benefits
Commuter Benefits
+45 More
19 Hours Ago
Seattle, WA
Remote
20,000 Employees
$137K-$233K Annually
3-5 Years of Experience
20,000 Employees
$137K-$233K Annually
3-5 Years of Experience
Artificial Intelligence • Cloud • HR Tech • Information Technology • Productivity • Software • Automation
Build high-quality, clean, scalable, and reusable code, work with product owners to understand requirements, mentor colleagues, contribute to new products and features
Top Benefits:
401-K
401-K Matching
Adoption Assistance
+42 More

Featured Jobs

19 Hours Ago
Seattle, WA
Remote
350 Employees
7+ Years of Experience
350 Employees
7+ Years of Experience
Artificial Intelligence • Legal Tech • Professional Services • Software
Ontra is seeking a Senior Full Stack Software Engineer to build and maintain web-based applications using Ruby on Rails and Ember.JS. The ideal candidate should have 7+ years of experience as a fullstack software engineer and a strong foundation in software development fundamentals.
Top Benefits:
401-K
Commuter Benefits
Company Equity
+39 More
12 Hours Ago
Seattle, WA
Remote
12,428 Employees
$168K-$297K Annually
5-7 Years of Experience
12,428 Employees
$168K-$297K Annually
5-7 Years of Experience
Blockchain • eCommerce • Fintech • Payments • Software • Financial Services • Cryptocurrency
Square is seeking a senior backend Software Engineer to work on the Payment Pricing & Cost Platform. Responsibilities include designing scalable systems, implementing solutions, collaborating cross-functionally, and providing technical mentorship. The team focuses on data-driven improvements to payment profitability. Qualifications include a BA/BS degree, experience in working cross-functionally, and a desire to work on highly available, scalable data systems. Technologies used include Java, Python, Ruby, and various tools and platforms such as MySQL, Google Cloud Platform, and AWS.
Top Benefits:
401-K
401-K Matching
Commuter Benefits
+26 More
19 Hours Ago
Seattle, WA
Remote
12,431 Employees
$139K-$245K Annually
5-7 Years of Experience
12,431 Employees
$139K-$245K Annually
5-7 Years of Experience
eCommerce • Fintech • Hardware • Payments • Software • Financial Services
As a Senior Software Engineer at Square Appointments, you will work on developing best-in-class bookings software for service professionals. Responsibilities include designing, building, and maintaining backend services, collaborating with cross-functional teams, and executing complex feature releases.
Top Benefits:
401-K
401-K Matching
Adoption Assistance
+26 More
7 Days Ago
Seattle, WA
Remote
5,600 Employees
1-3 Years of Experience
5,600 Employees
1-3 Years of Experience
Fintech • Payments
Design and build intuitive features for Radar users to mitigate fraud attacks. Collaborate with various functions at Stripe to bring value to customers and improve engineering efficiency. Mentor junior engineers to help them grow and contribute to large-scale feature development.
Top Benefits:
401-K
401-K Matching
Adoption Assistance
+30 More
19 Hours Ago
Seattle, WA
Remote
20,000 Employees
$117K-$181K Annually
3-5 Years of Experience
20,000 Employees
$117K-$181K Annually
3-5 Years of Experience
Artificial Intelligence • Cloud • HR Tech • Information Technology • Productivity • Software • Automation
Build high-quality, clean, scalable, and reusable code by enforcing best practices in software engineering architecture. Work closely with product owners to deliver high-quality products and features, enhance existing product suite, and design software that is simple to use and extend. Passion for web platform and experience with modern UI frameworks.
Top Benefits:
401-K
401-K Matching
Adoption Assistance
+42 More
19 Hours Ago
Seattle, WA
Remote
20,000 Employees
$143K-$250K Annually
5-7 Years of Experience
20,000 Employees
$143K-$250K Annually
5-7 Years of Experience
Artificial Intelligence • Cloud • HR Tech • Information Technology • Productivity • Software • Automation
Build high-quality, clean, scalable, and reusable code, work with product owners to understand requirements, design software for customer customization, contribute to product design and implementation, mentor colleagues, manage projects with technical risk.
Top Benefits:
401-K
401-K Matching
Adoption Assistance
+42 More
19 Hours Ago
Seattle, WA
Remote
20,000 Employees
$137K-$233K Annually
5-7 Years of Experience
20,000 Employees
$137K-$233K Annually
5-7 Years of Experience
Artificial Intelligence • Cloud • HR Tech • Information Technology • Productivity • Software • Automation
Build high-quality, clean, scalable and reusable code by enforcing best practices. Work with product owners to deliver high-quality products. Mentor colleagues and promote knowledge-sharing. 5+ years of software engineering experience with JavaScript, Java. Experience with UI frameworks like Angular, React, or Vue. Analytical and design skills.
Top Benefits:
401-K
401-K Matching
Adoption Assistance
+42 More
11 Days Ago
Seattle, WA
161 Employees
$150K-$170K Annually
3-5 Years of Experience
161 Employees
$150K-$170K Annually
3-5 Years of Experience
eCommerce • Software • Analytics • Business Intelligence • Consulting
Design and implement stable and performant SaaS products utilizing both frontend and backend technologies such as C#, Java, and Node.js.
Top Benefits:
401-K
401-K Matching
Company Equity
+25 More
19 Hours Ago
Seattle, WA
Remote
20,000 Employees
$181K-$317K Annually
7+ Years of Experience
20,000 Employees
$181K-$317K Annually
7+ Years of Experience
Artificial Intelligence • Cloud • HR Tech • Information Technology • Productivity • Software • Automation
Build high-quality, clean, scalable and reusable code by enforcing best practices around software engineering architecture and processes. Work with product owners to understand requirements, design, implement, and deliver high-quality products. Mentor colleagues and promote knowledge-sharing.
Top Benefits:
401-K
401-K Matching
Adoption Assistance
+42 More
19 Hours Ago
Seattle, WA
Remote
3,300 Employees
3-5 Years of Experience
3,300 Employees
3-5 Years of Experience
Information Technology • Security • Cybersecurity
Design and build Cloudflare Queues for application integration, owning code from inception to release, working with Typescript, Go, Rust, and C++, and interacting with various languages and technologies.
Top Benefits:
401-K
Child Care Benefits
Commuter Benefits
+45 More
19 Hours Ago
Seattle, WA
Remote
20,000 Employees
$158K-$278K Annually
5-7 Years of Experience
20,000 Employees
$158K-$278K Annually
5-7 Years of Experience
Artificial Intelligence • Cloud • HR Tech • Information Technology • Productivity • Software • Automation
Join the UX Engineering group at ServiceNow as a full-stack software engineer to drive a metadata-based UX framework for next-gen experiences on the NOW platform. Responsibilities include building high-quality, scalable code, working with product owners, designing user-friendly software, contributing to new features, and mentoring colleagues.
Top Benefits:
401-K
401-K Matching
Adoption Assistance
+42 More
3 Days Ago
Seattle, WA
Remote
12,431 Employees
$153K-$270K Annually
1-3 Years of Experience
12,431 Employees
$153K-$270K Annually
1-3 Years of Experience
eCommerce • Fintech • Hardware • Payments • Software • Financial Services
As a staff software engineer on the Web Payment Experience team at Square, you will mentor and teach other engineers, set technical direction for the team, develop JavaScript APIs and UIs, work on tokenization platforms, and build reliable and delightful experiences for developers and merchants.
Top Benefits:
401-K
401-K Matching
Adoption Assistance
+26 More
19 Hours Ago
Seattle, WA
Remote
3,300 Employees
$137K-$198K Annually
3-5 Years of Experience
3,300 Employees
$137K-$198K Annually
3-5 Years of Experience
Information Technology • Security • Cybersecurity
Work on code that runs close to the end user, at a massive scale, and deployed worldwide.
Top Benefits:
401-K
Child Care Benefits
Commuter Benefits
+45 More
4 Days Ago
Seattle, WA
Remote
12,428 Employees
$153K-$270K Annually
1-3 Years of Experience
12,428 Employees
$153K-$270K Annually
1-3 Years of Experience
Blockchain • eCommerce • Fintech • Payments • Software • Financial Services • Cryptocurrency
The Staff Software Engineer on the Web Payment Experience team at Square is responsible for mentoring junior developers, setting technical direction, developing JavaScript APIs and UIs, maintaining tokenization platforms, and ensuring delightful user experiences for developers and merchants. The ideal candidate is an expert in JavaScript and Web APIs with a full-stack mindset.
Top Benefits:
401-K
401-K Matching
Commuter Benefits
+26 More
19 Hours Ago
Seattle, WA
Remote
12,431 Employees
$139K-$245K Annually
5-7 Years of Experience
12,431 Employees
$139K-$245K Annually
5-7 Years of Experience
eCommerce • Fintech • Hardware • Payments • Software • Financial Services
Senior Software Engineer role focused on developing and enhancing Square Invoices product. Responsible for designing and building world-class product experiences, collaborating with cross-functional teams, mentoring engineers, and ensuring high quality standards in engineering practices.
Top Benefits:
401-K
401-K Matching
Adoption Assistance
+26 More
19 Hours Ago
Seattle, WA
Remote
20,000 Employees
$143K-$250K Annually
5-7 Years of Experience
20,000 Employees
$143K-$250K Annually
5-7 Years of Experience
Artificial Intelligence • Cloud • HR Tech • Information Technology • Productivity • Software • Automation
Seeking Staff Software Engineer with 6+ years of front-end software development experience to design and develop a data analytics platform using cutting-edge technologies. Responsibilities include leading product design, standardizing processes, and researching new technologies for scalability and productivity. Must have expertise in JavaScript, ReactJS, NodeJS, Java, and BI tools.
Top Benefits:
401-K
401-K Matching
Adoption Assistance
+42 More
3 Days Ago
Seattle, WA
Remote
12,431 Employees
$153K-$270K Annually
1-3 Years of Experience
12,431 Employees
$153K-$270K Annually
1-3 Years of Experience
eCommerce • Fintech • Hardware • Payments • Software • Financial Services
The Staff Software Engineer on the Web Payment Experience team at Square mentors and teaches mid-level developers, sets technical direction, develops JavaScript APIs, maintains tokenization platform APIs, works across the stack to create reliable experiences, and stays updated on frontend engineering trends.
Top Benefits:
401-K
401-K Matching
Adoption Assistance
+26 More
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