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Top Remote Senior Full-Stack Engineer Jobs in Seattle, WA

113+ Job Results
13 Hours Ago
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
4 Days Ago
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
4 Days Ago
Remote
Hybrid
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
Design, build, and own sophisticated underwriting services leveraging data and machine learning technologies to originate and approve lending products for Square sellers. Collaborate with product, data science, and engineering teams to enable innovative lending initiatives and products. Modernize underwriting processes to be cloud-first and scalable for future growth. Ensure security and compliance standards are met for customer data.
Top Benefits:
401-K
401-K Matching
Adoption Assistance
+55 More
4 Days Ago
Remote
Hybrid
12,000 Employees
139K-245K Annually
3-5 Years of Experience
12,000 Employees
139K-245K Annually
3-5 Years of Experience
Blockchain • eCommerce • Fintech • Payments • Software • Financial Services • Cryptocurrency
Design, build, and own sophisticated underwriting services leveraging data and machine learning technologies to originate and approve lending products. Collaborate with product, data science, and engineering teams to enable innovative lending products. Modernize underwriting processes to be cloud-first and maintain highest standards of security and compliance.
Top Benefits:
401-K
401-K Matching
Adoption Assistance
+55 More
4 Days Ago
Remote
12,000 Employees
139K-245K Annually
3-5 Years of Experience
12,000 Employees
139K-245K Annually
3-5 Years of Experience
Blockchain • eCommerce • Fintech • Payments • Software • Financial Services • Cryptocurrency
Design, build, and own sophisticated underwriting services for Square's Credit Underwriting Team. Collaborate with product, data science, and engineering teams to enable innovative lending products. Work on modernizing the underwriting process and building secure systems for customer data.
Top Benefits:
401-K
401-K Matching
Adoption Assistance
+55 More
Yesterday
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
4 Days Ago
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
2 Days Ago
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
5 Days Ago
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
4 Days Ago
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
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
6 Days Ago
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
5 Days Ago
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
21 Hours Ago
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
8 Days Ago
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
4 Days Ago
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
6 Days Ago
Remote
2,500 Employees
169K-285K Annually
7+ Years of Experience
2,500 Employees
169K-285K Annually
7+ Years of Experience
Cloud • Consumer Web • Productivity • Software • App development • Automation • Data Privacy
Seeking a Senior Backend Product Software Engineer to lead the development of new products for collaboration and distributed work at Dropbox. Responsibilities include articulating a technical vision, writing code, collaborating with cross-functional teams, and improving team and company culture. Requires 8+ years of software engineering experience and expertise in building user-facing software and supporting systems.
Top Benefits:
401-K
401-K Matching
Adoption Assistance
+55 More
8 Days Ago
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.
8 Days Ago
Remote
12,000 Employees
168K-297K Annually
5-7 Years of Experience
12,000 Employees
168K-297K Annually
5-7 Years of Experience
eCommerce • Fintech • Hardware • Payments • Software • Financial Services
Square is seeking a Senior Backend Software Engineer for the Payment Pricing & Cost Platform team. This role involves designing scalable systems related to pricing and costs, collaborating with cross-functional teams, and contributing to Square's global payments strategy. The ideal candidate should have 5+ years of experience, be curious, and interested in creating highly available, scalable data systems.
Top Benefits:
401-K
401-K Matching
Adoption Assistance
+55 More
8 Days Ago
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
16 Days Ago
Remote
45 Employees
3-5 Years of Experience
45 Employees
3-5 Years of Experience
Logistics • Productivity • Software • Analytics
Seeking a Senior Fullstack Engineer to take ownership of projects spanning various systems, work closely with Product and Design teams, drive best practices in Frontend development, and mentor other engineers.
Top Benefits:
401-K
Company Equity
Company Outings
+20 More
8 Days Ago
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
12 Hours Ago
Remote
12,000 Employees
115K-203K Annually
3-5 Years of Experience
12,000 Employees
115K-203K Annually
3-5 Years of Experience
Blockchain • eCommerce • Fintech • Payments • Software • Financial Services • Cryptocurrency
Join Square's E-commerce Store Operations team as a Software Engineer to build powerful e-commerce offerings integrated with Square's platform. Responsibilities include working on fulfillment and catalog APIs while ensuring high reliability and accuracy for sellers and buyers.
Top Benefits:
401-K
401-K Matching
Adoption Assistance
+55 More
16 Days Ago
Remote
45 Employees
157K-190K Annually
3-5 Years of Experience
45 Employees
157K-190K Annually
3-5 Years of Experience
Logistics • Productivity • Software • Analytics
Senior Fullstack Engineer role at Logixboard, a white-labeled customer experience software company revolutionizing the freight forwarding industry. Responsibilities include owning projects, system integrations, data modeling, collaboration with Product and Design teams, mentoring team members, and driving best practices in Frontend development. Required experience in software engineering best practices, frontend development, modular JavaScript applications, and working with 3rd party data providers. Curiosity and willingness to learn new technologies.
Top Benefits:
401-K
Company Equity
Company Outings
+20 More
8 Days Ago
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
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