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Top Senior Level Front-End Developer Jobs in Seattle, WA

231+ Job Results
3 Hours Ago
Seattle, WA
Remote
12,000 Employees
153K-270K Annually
5-7 Years of Experience
12,000 Employees
153K-270K Annually
5-7 Years of Experience
Blockchain • eCommerce • Fintech • Payments • Software • Financial Services • Cryptocurrency
The Senior Software Engineer will work on the Accounts team within the Customer Identity and Access Management (CIAM) at Square. Responsibilities include contributing to architecture, developing identity management ecosystem, collaborating with cross-functional teams, maintaining high engineering standards, providing technical mentorship, and fostering a positive culture. Required qualifications include 5+ years of software engineering experience, relevant experience in access management, strong software engineering knowledge, and customer empathy.
Top Benefits:
401-K
401-K Matching
Adoption Assistance
+55 More
5 Hours Ago
Seattle, WA
Remote
12,000 Employees
168K-297K Annually
5-7 Years of Experience
12,000 Employees
168K-297K Annually
5-7 Years of Experience
Blockchain • eCommerce • Fintech • Payments • Software • Financial Services • Cryptocurrency
Play a key role in defining the future of e-commerce mobile products at Square. Collaborate with teams to deliver seamless integration of online and in-store sales. Develop using native Android technologies across Square mobile apps and hardware devices. Partner with AI, backend, web, and iOS engineers to ship features, focusing on quality. Work with product managers and designers to define product scope and design. Ship cutting-edge AI to businesses without access to it.
Top Benefits:
401-K
401-K Matching
Adoption Assistance
+55 More
15 Hours Ago
Seattle, WA
Remote
12,000 Employees
5-7 Years of Experience
12,000 Employees
5-7 Years of Experience
Blockchain • eCommerce • Fintech • Payments • Software • Financial Services • Cryptocurrency
Develop and ship a non-custodial, hardware-enabled bitcoin wallet to a global audience. Work on user experiences for moving bitcoin on and off Bitkey. Impact architecture and design decisions to scale globally. Collaborate with a cross-discipline team on mobile and backend development.
Top Benefits:
401-K
401-K Matching
Adoption Assistance
+55 More
5 Hours Ago
Seattle, WA
Remote
139K-245K Annually
5-7 Years of Experience
139K-245K Annually
5-7 Years of Experience
Fintech • Payments • Software • Financial Services
Lead the technical requirements, implementation, and integration of a new financial product within the Cash App ecosystem. Collaborate with teams, prioritize code quality, and contribute to shared technologies. 5+ years of software development experience required.
5 Hours Ago
Seattle, WA
Remote
250 Employees
180K-195K Annually
7+ Years of Experience
250 Employees
180K-195K Annually
7+ Years of Experience
Information Technology • Security • Cybersecurity
Oversee all aspects of customer-facing websites and portals, ensure functionality, performance, and optimization for conversion. Lead a team of engineers, collaborate with marketing, sales, and product management.
Top Benefits:
401-K Matching
Company Equity
Continuing Education Stipend
+30 More

Featured Jobs

7 Hours Ago
Seattle, WA
Hybrid
12,000 Employees
177K-312K Annually
7+ Years of Experience
12,000 Employees
177K-312K Annually
7+ Years of Experience
eCommerce • Fintech • Hardware • Payments • Software • Financial Services
Lead a team of Backend engineers and engineering managers to build and operate backend services for Square's Health, Beauty & Professional Services team. Collaborate with cross-functional partners to ensure the platform meets the needs of businesses of all sizes and delivers remarkable seller-facing experiences. Drive execution, establish credibility, and influence across Square's ecosystem of products.
Top Benefits:
401-K
401-K Matching
Adoption Assistance
+55 More
7 Hours Ago
Seattle, WA
Remote
350 Employees
175K-210K Annually
7+ Years of Experience
350 Employees
175K-210K Annually
7+ Years of Experience
Artificial Intelligence • Legal Tech • Professional Services • Software
Seeking a Senior Quality Engineer to develop and enhance software automation for high quality and rapid software delivery. Responsibilities include incorporating automated test suites into CI/CD pipelines, building out test suites, mentoring team members, and advocating for high quality software development.
Top Benefits:
401-K
Commuter Benefits
Company Equity
+39 More
7 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
7 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
8 Hours Ago
Seattle, WA
Remote
3,300 Employees
5-7 Years of Experience
3,300 Employees
5-7 Years of Experience
Information Technology • Security • Cybersecurity
As an Implementation Manager for Application Security and Performance at Cloudflare, responsible for providing advisory and implementation services to enterprise customers to maximize the value of their Cloudflare investment. Expertise in Layer 7 products and working in the post-sales landscape. Occasional weekend support and 30% travel expected.
Top Benefits:
401-K
Child Care Benefits
Commuter Benefits
+45 More
15 Hours Ago
Seattle, WA
Remote
20,000 Employees
159K-278K Annually
5-7 Years of Experience
20,000 Employees
159K-278K Annually
5-7 Years of Experience
Artificial Intelligence • Cloud • HR Tech • Information Technology • Productivity • Software • Automation
Build high-quality, clean, scalable, and reusable code as a Staff Software Engineer at ServiceNow. Work on designing and implementing new products and features, mentor colleagues, and support US Federal customers. Must have 6+ years of experience with Java, a passion for JavaScript, and experience with modern UI frameworks like Angular, React or Vue.
Top Benefits:
401-K
401-K Matching
Adoption Assistance
+42 More
15 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
22 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 a Staff Systems Engineer to support on-premises customers by delivering end-to-end solution architecture roadmaps, collaborating with teams, designing solutions, and researching new technologies. Requires 6+ years of experience in Linux-based systems and Relational Database technologies, problem-solving skills, and self-driven attitude.
Top Benefits:
401-K
401-K Matching
Adoption Assistance
+42 More
16 Hours Ago
Seattle, WA
2,700 Employees
180K-225K Annually
7+ Years of Experience
2,700 Employees
180K-225K Annually
7+ Years of Experience
eCommerce • Fintech • Payments • Software • Financial Services
The role involves leading the technical strategy and systems of the Customer Success Technology engineering team, designing and implementing frontend components using React or Angular, developing responsive user interfaces, contributing to software architecture, and maintaining engineering standards.
Top Benefits:
401-K
401-K Matching
Commuter Benefits
+48 More
22 Hours Ago
Seattle, WA
Hybrid
350 Employees
209K-314K Annually
7+ Years of Experience
350 Employees
209K-314K Annually
7+ Years of Experience
AdTech • Big Data • Digital Media • Marketing Tech
Lead the Platform Monetization team to design, build, operate, and optimize highly-distributed web-based systems for online advertising products. Develop a new distributed platform focusing on advertising recommendations and user-intent detection. Design and implement algorithms to process massive datasets and work closely with a team of engineers and data stakeholders.
Top Benefits:
401-K
401-K Matching
Adoption Assistance
+45 More
23 Hours Ago
Seattle, WA
Hybrid
305 Employees
123K-161K Annually
5-7 Years of Experience
305 Employees
123K-161K Annually
5-7 Years of Experience
Artificial Intelligence • Hardware • Information Technology • Internet of Things • Software
Lead the initial production of cryogenic subsystems for IonQ's quantum computers, focusing on planning, execution, and continuous process improvement. Responsible for establishing and improving manufacturing processes to deliver high-quality products on time. Collaborate with cross-functional teams to support vendor qualifications, drive yield improvements, and troubleshoot equipment failures.
Top Benefits:
401-K
401-K Matching
Company Equity
+38 More
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