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Top Full-Stack Engineer Jobs in Seattle

203+ Job Results
2 Days Ago
Seattle, WA
Remote
3,300 Employees
1-3 Years of Experience
3,300 Employees
1-3 Years of Experience
Information Technology • Security • Cybersecurity
Responsible for building and maintaining systems for marketing websites, developer docs, and more. Must have experience in Golang and TypeScript, with a focus on backend services and modern frontend development. Role includes mentoring team members and leading large projects.
Top Benefits:
401-K
Child Care Benefits
Commuter Benefits
+45 More
8 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 (Contract) to join the Account Creation team at a next-generation financial services company. Responsible for full stack development, front-end and back-end development, architecture and design, testing and quality assurance, continuous improvement, code review and mentorship, and documentation.
Top Benefits:
401-K
Child Care Benefits
Commuter Benefits
+45 More
8 Days Ago
Seattle, WA
Remote
10,000 Employees
115K-175K Annually
5-7 Years of Experience
10,000 Employees
115K-175K Annually
5-7 Years of Experience
Cloud • Information Technology • Sales • Security • Cybersecurity
Seeking a Full Stack Engineer with 5-7 years of experience in software development for SaaS environments. Must have expertise in backend and frontend coding, UI technologies, high-level programming languages, automation, and database technologies. Strong understanding of object-oriented programming, distributed systems, and scalability is required. Bonus points for knowledge of IoT/ICS systems, Linux, cloud services, and endpoint security.
11 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
4 Days Ago
Seattle, WA
Remote
12,000 Employees
139K-245K Annually
5-7 Years of Experience
12,000 Employees
139K-245K Annually
5-7 Years of Experience
Blockchain • eCommerce • Fintech • Payments • Software • Financial Services • Cryptocurrency
Work as a Front End / Full Stack Developer at TIDAL, focusing on building and delivering product features for artists. Collaborate with the frontend and backend teams to empower musicians with tools for their artistic journey. Implement technical improvements and performance optimizations.
Top Benefits:
401-K
401-K Matching
Adoption Assistance
+55 More
3 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
7 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
20 Hours Ago
Seattle, WA
Hybrid
1,050 Employees
5-7 Years of Experience
1,050 Employees
5-7 Years of Experience
Cloud • Software
Lead Software Engineer II (Fullstack) role in Platform Engineering at ThousandEyes. Responsible for improving frontend technology, evangelizing best practices, building new products, exploring new technologies, and mentoring other engineers.
Top Benefits:
401-K
401-K Matching
Adoption Assistance
+52 More
2 Days Ago
Seattle, WA
Hybrid
5,500 Employees
172K-303K Annually
7+ Years of Experience
5,500 Employees
172K-303K Annually
7+ Years of Experience
Artificial Intelligence • Cloud • Machine Learning • Mobile • Software • Virtual Reality • App development
Snap Inc is looking for a Full Stack Engineer to join their team. The role involves building state-of-the-art web software applications, following high-quality design practices, and optimizing performance of user-facing products. The ideal candidate should have 7+ years of experience as a full-stack software engineer and be proficient in JavaScript, Java, Golang, NodeJs, Python, and various other technologies.
Top Benefits:
401-K
401-K Matching
Adoption Assistance
+55 More
2 Days Ago
Seattle, WA
2,700 Employees
180K-225K Annually
5-7 Years of Experience
2,700 Employees
180K-225K Annually
5-7 Years of Experience
eCommerce • Fintech • Payments • Software • Financial Services
Design and build backend services for the Global Disbursement Network team, work cross-functionally with product engineering teams, write efficient and well-tested code, and improve fund disbursement experiences globally.
Top Benefits:
401-K
401-K Matching
Commuter Benefits
+48 More
20 Hours Ago
Seattle, WA
Remote
2,500 Employees
234K-316K Annually
7+ Years of Experience
2,500 Employees
234K-316K Annually
7+ Years of Experience
Cloud • Consumer Web • Productivity • Software • App development • Automation • Data Privacy
As a Staff Backend Software Engineer at Dropbox's New Initiatives team, you will shape the future of collaboration and file sharing by developing and enhancing Dropbox's suite of products. Responsibilities include articulating a technical vision, writing code, partnering with cross-functional teams, and owning relationships with other engineering teams. The role requires 10+ years of professional experience in building applications, expertise in large-scale distributed systems, and proven success in delivering technical strategies and user-centric web applications.
Top Benefits:
401-K
401-K Matching
Adoption Assistance
+55 More
14 Days 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
4 Days Ago
Seattle, WA
Remote
12,000 Employees
139K-245K Annually
5-7 Years of Experience
12,000 Employees
139K-245K Annually
5-7 Years of Experience
Blockchain • eCommerce • Fintech • Payments • Software • Financial Services • Cryptocurrency
Design, build, and maintain backend services for Square Health & Beauty's online scheduling software. Collaborate with engineers and product managers, ship reliable software, and advocate for continuous investments in developer productivity and code quality.
Top Benefits:
401-K
401-K Matching
Adoption Assistance
+55 More
4 Days Ago
Seattle, WA
Remote
12,000 Employees
139K-245K Annually
3-5 Years of Experience
12,000 Employees
139K-245K Annually
3-5 Years of Experience
eCommerce • Fintech • Hardware • Payments • Software • Financial Services
As a Senior Full-Stack Engineer, you will be responsible for designing, building, and owning sophisticated underwriting services to expand access to credit for Square's sellers. You will work on backend systems with contributions to the frontend, collaborating with product, data science, and other teams to innovate new lending products.
Top Benefits:
401-K
401-K Matching
Adoption Assistance
+55 More
5 Days Ago
Seattle, WA
Remote
12,000 Employees
139K-245K Annually
5-7 Years of Experience
12,000 Employees
139K-245K Annually
5-7 Years of Experience
eCommerce • Fintech • Hardware • Payments • Software • Financial Services
Design, build, and maintain backend services for Square Appointments. Advocate for developer productivity and code quality. Collaborate with engineers and product managers to create software experiences. Ship reliable software through continuous integration and test automation.
Top Benefits:
401-K
401-K Matching
Adoption Assistance
+55 More
11 Hours Ago
Seattle, WA
Remote
20,000 Employees
159K-278K Annually
7+ Years of Experience
20,000 Employees
159K-278K Annually
7+ Years of Experience
Artificial Intelligence • Cloud • HR Tech • Information Technology • Productivity • Software • Automation
Staff Software Engineer role at ServiceNow's Digital Customer Experience team focused on creating consumer-grade digital experiences and products using AEM (Adobe Experience Manager) and a full stack of web technologies. Responsibilities include developing technical designs, implementing custom AEM components, integrating with enterprise systems, optimizing scalability and security, and staying up to date with tech trends.
Top Benefits:
401-K
401-K Matching
Adoption Assistance
+42 More
4 Days Ago
Seattle, WA
800 Employees
64K-73K Annually
1-3 Years of Experience
800 Employees
64K-73K Annually
1-3 Years of Experience
Social Impact
Support and develop web-based software application systems, add features and support existing systems, ensure stable and maintainable code, collaborate with other departments.
5 Days Ago
Seattle, WA
Remote
12,000 Employees
168K-297K Annually
7+ Years of Experience
12,000 Employees
168K-297K Annually
7+ Years of Experience
eCommerce • Fintech • Hardware • Payments • Software • Financial Services
As a Senior Software Engineer for the Orders Core team at Square, you will play a crucial role in building scalable and resilient backend API solutions for first and third-party customers. You will lead the design and development of Orders API solutions, collaborate with cross-functional teams, and foster a positive team culture. Square aims to empower sellers through innovative omnichannel solutions and financial services tools.
Top Benefits:
401-K
401-K Matching
Adoption Assistance
+55 More
5 Days Ago
Seattle, WA
Remote
12,000 Employees
168K-297K Annually
7+ Years of Experience
12,000 Employees
168K-297K Annually
7+ Years of Experience
Blockchain • eCommerce • Fintech • Payments • Software • Financial Services • Cryptocurrency
Senior Software Engineer role at Square focused on building scalable and resilient backend API solutions for empowering sellers to succeed in their business lifecycle. Responsible for leading the design and development of Orders API solutions used by first and third-party developers.
Top Benefits:
401-K
401-K Matching
Adoption Assistance
+55 More
4 Days Ago
Seattle, WA
1,400 Employees
196K-294K Annually
7+ Years of Experience
1,400 Employees
196K-294K Annually
7+ Years of Experience
Aerospace • Artificial Intelligence • Hardware • Robotics • Security • Software • Defense
Anduril Industries is seeking a Staff Software Engineer to lead high-impact projects, provide technical leadership, design and develop complex distributed software services, work on a modern tech stack involving Go services and React web apps, and collaborate with cross-functional teams to deliver results effectively.
Top Benefits:
401-K
Adoption Assistance
Child Care Benefits
+56 More
2 Days Ago
Seattle, WA
Hybrid
5,500 Employees
129K-228K Annually
3-5 Years of Experience
5,500 Employees
129K-228K Annually
3-5 Years of Experience
Artificial Intelligence • Cloud • Machine Learning • Mobile • Software • Virtual Reality • App development
Backend Engineer role at Snap Inc. Responsibilities include designing, implementing, and operating critical and scalable services. Required skills include experience with backend services, distributed systems, and operating highly-available systems at scale. Preferred qualifications include experience with Java, C++, Python, NoSQL solutions, and cloud computing technologies.
Top Benefits:
401-K
401-K Matching
Adoption Assistance
+55 More
4 Days Ago
Seattle, WA
Remote
12,000 Employees
168K-297K Annually
7+ Years of Experience
12,000 Employees
168K-297K Annually
7+ Years of Experience
eCommerce • Fintech • Hardware • Payments • Software • Financial Services
Square Bank Accounts team is looking for a Senior Software Engineer to lead the development of new backend systems for Bank Accounts offerings. Responsibilities include ensuring instant access to sales revenue, providing banking tools, integrating with cash flow tools, and improving the customer experience. Full-stack background with experience in Java, Kotlin, and Ruby is required.
Top Benefits:
401-K
401-K Matching
Adoption Assistance
+55 More
8 Days Ago
Seattle, WA
Remote
1,400 Employees
138K-252K Annually
3-5 Years of Experience
1,400 Employees
138K-252K Annually
3-5 Years of Experience
Aerospace • Artificial Intelligence • Hardware • Robotics • Security • Software • Defense
Anduril Industries is seeking a Senior Full Stack Software Engineer to work on building out the software ecosystem supporting an electronic warfare platform. Responsibilities include architecting new features end-to-end, testing web app features, turning requirements into web application features, and collaborating with developers across the stack.
Top Benefits:
401-K
Adoption Assistance
Child Care Benefits
+56 More
4 Days Ago
Seattle, WA
Remote
Hybrid
12,000 Employees
168K-297K Annually
7+ Years of Experience
12,000 Employees
168K-297K Annually
7+ Years of Experience
eCommerce • Fintech • Hardware • Payments • Software • Financial Services
Square Bank Accounts team is looking for a Senior Software Engineer to work on building and improving Checking and Savings products used by merchants. Responsibilities include managing business finances, providing banking tools, integrating with other cash flow tools, and developing backend systems at scale.
Top Benefits:
401-K
401-K Matching
Adoption Assistance
+55 More
14 Days Ago
Seattle, WA
Remote
5,600 Employees
3-5 Years of Experience
5,600 Employees
3-5 Years of Experience
Fintech • Payments
As a full stack engineer working on Link, you'll join a team designing and building merchant experiences, consumer-facing UIs, and full-stack products. You'll collaborate with stakeholders, craft new products, and develop against roadmaps to impact millions of users worldwide.
Top Benefits:
401-K
401-K Matching
Adoption Assistance
+30 More
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