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

236+ Job Results
6 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
The Senior Software Engineer (Android) at Block is responsible for enhancing the development experience for all mobile developers within Square by owning the entire development stack and improving the development process. Key responsibilities include innovating to amplify efficiency, identifying performance bottlenecks, optimizing CI pipeline, and delivering quantifiable results on schedule.
Top Benefits:
401-K
401-K Matching
Adoption Assistance
+55 More
6 Hours Ago
Seattle, WA
Remote
12,000 Employees
139K-297K Annually
5-7 Years of Experience
12,000 Employees
139K-297K Annually
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 for global scalability. Collaborate with cross-functional teams on mobile applications and backend services development.
Top Benefits:
401-K
401-K Matching
Adoption Assistance
+55 More
6 Hours Ago
Seattle, WA
Remote
12,000 Employees
139K-297K Annually
5-7 Years of Experience
12,000 Employees
139K-297K Annually
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. Collaborate with designers and product managers to create user-friendly experiences for moving bitcoin. Influence architecture decisions for global scalability. Work with a cross-discipline team on mobile applications and backend services.
Top Benefits:
401-K
401-K Matching
Adoption Assistance
+55 More
6 Hours Ago
Seattle, WA
Hybrid
305 Employees
116K-185K Annually
5-7 Years of Experience
305 Employees
116K-185K Annually
5-7 Years of Experience
Artificial Intelligence • Hardware • Information Technology • Internet of Things • Software
Seeking a Senior Cable and Harness Engineer to design, fabricate, and test wiring harnesses for trapped-ion quantum computer systems at IonQ. Responsible for integrating electrical and optomechanical subsystems, maintaining schematic level harness drawings, and collaborating with other engineers on system design.
Top Benefits:
401-K
401-K Matching
Company Equity
+38 More
6 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 the next-generation Observability platform in a big-scale, mentor colleagues, develop data engineering components, and promote knowledge-sharing. Required experience includes Java, data structures, algorithms, ETL pipelines using Bigdata technologies, and design of complex systems.
Top Benefits:
401-K
401-K Matching
Adoption Assistance
+42 More
6 Hours Ago
Seattle, WA
Remote
20,000 Employees
109K-186K Annually
5-7 Years of Experience
20,000 Employees
109K-186K Annually
5-7 Years of Experience
Artificial Intelligence • Cloud • HR Tech • Information Technology • Productivity • Software • Automation
As a Federal Cloud Networking Engineer, responsibilities include designing and deploying networks, troubleshooting network issues, leading outage mitigation, and participating in on-call rotations. The role requires proactive analysis of network parameters and preparation for planned changes in the production environment.
Top Benefits:
401-K
401-K Matching
Adoption Assistance
+42 More
6 Hours Ago
Seattle, WA
Remote
20,000 Employees
109K-186K Annually
5-7 Years of Experience
20,000 Employees
109K-186K Annually
5-7 Years of Experience
Artificial Intelligence • Cloud • HR Tech • Information Technology • Productivity • Software • Automation
As a Federal Cloud Networking Engineer, you will design and deploy networks, troubleshoot issues, and engage in outage mitigation. This 2nd Shift position requires working from 4 pm - 1 am Pacific Time, with a 5X8 work week initially transitioning to a 4X10 work week.
Top Benefits:
401-K
401-K Matching
Adoption Assistance
+42 More
6 Hours Ago
Seattle, WA
Remote
10,000 Employees
135K-210K Annually
7+ Years of Experience
10,000 Employees
135K-210K Annually
7+ Years of Experience
Cloud • Information Technology • Sales • Security • Cybersecurity
CrowdStrike is hiring a Sr. DevOps Engineer to help build and deploy automation and configuration to drive their massive scale. Responsibilities include researching and optimizing system configurations, maintaining CI/CD pipelines, automating tasks, and ensuring high-quality infrastructure. Ideal candidates have experience with Linux-based environments, public clouds, Kubernetes, CI/CD, Jenkins, Git, scripting languages, and IT automation tools like Chef and Ansible.
6 Hours Ago
Seattle, WA
Remote
10,000 Employees
130K-210K Annually
7+ Years of Experience
10,000 Employees
130K-210K Annually
7+ Years of Experience
Cloud • Information Technology • Sales • Security • Cybersecurity
CrowdStrike is looking for a Senior Developer Relations Engineer to work on their cybersecurity platform, focusing on extending the use of their products through technical advocacy and content creation. The role involves collaborating with product groups, building developer communities, and driving product improvements.
8 Hours Ago
Seattle, WA
Remote
10,000 Employees
130K-205K Annually
7+ Years of Experience
10,000 Employees
130K-205K Annually
7+ Years of Experience
Cloud • Information Technology • Sales • Security • Cybersecurity
Looking for a Sr. Software Engineer with 5+ years of experience to join the sensor engineering team. Responsibilities include developing cybersecurity features for the Windows Sensor, collaborating with multiple teams, building user interfaces, and deploying quality code to production.
6 Hours 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
Join Square's Accounting & Revenue team as a Senior Software Engineer to help build a platform for accounting and revenue functions for credit products. Responsibilities include delivering initiatives to expand credit access, providing technical leadership, and participating in critical technical discussions with various teams.
Top Benefits:
401-K
401-K Matching
Adoption Assistance
+55 More
3 Days Ago
Seattle, WA
Remote
2,500 Employees
152K-224K Annually
7+ Years of Experience
2,500 Employees
152K-224K Annually
7+ Years of Experience
Artificial Intelligence • Automotive • Machine Learning • Robotics • Transportation
Join Cruise's Machine Learning Orchestration team as a Senior Software Engineer II. Lead initiatives to scale the platform, create automation tools, and run ML pipelines efficiently. Work on cloud technologies and own technical projects from start to finish. Collaborate with partner teams and mentor junior engineers.
Top Benefits:
401-K
401-K Matching
Commuter Benefits
+40 More
3 Days Ago
Seattle, WA
Hybrid
4,800 Employees
5-7 Years of Experience
4,800 Employees
5-7 Years of Experience
Fintech • Mobile • Software • Financial Services
Design, develop, and maintain integrations within the Workday platform, collaborate with HR and IT teams, troubleshoot integration issues, stay up-to-date with Workday releases, and document technical specifications.
Top Benefits:
401-K
Child Care Benefits
Commuter Benefits
+45 More
3 Days Ago
Seattle, WA
2,700 Employees
7+ Years of Experience
2,700 Employees
7+ Years of Experience
eCommerce • Fintech • Payments • Software • Financial Services
As a Senior SDE at Remitly, you will lead the design and implementation of complex components of our backend systems. You'll build, own, and operate scalable and reliable services in a distributed environment. You'll partner with other engineers and product managers to understand and meet our customers' needs. You should reflect a growth and improvement mindset and have a passion for solving customer problems with quality engineering.
Top Benefits:
401-K
401-K Matching
Commuter Benefits
+48 More
4 Days Ago
Seattle, WA
20,000 Employees
156K Annually
7+ Years of Experience
20,000 Employees
156K Annually
7+ Years of Experience
eCommerce • Healthtech • Pet • Retail • Pharmaceutical
As a Staff Software Engineer at Chewy, you will lead the engineering team in building the Sponsored Advertising platform. You will design and implement large-scale distributed systems, mentor engineers, and drive innovation through rapid prototyping. The role requires exceptional leadership, communication skills, and expertise in cloud-based applications.
Top Benefits:
401-K
401-K Matching
Child Care Benefits
+45 More
4 Days Ago
Seattle, WA
Remote
3,300 Employees
7+ Years of Experience
3,300 Employees
7+ Years of Experience
Information Technology • Security • Cybersecurity
Play a pivotal role in driving partner technical strategies, enhancing partner capabilities, and contributing to partnership success as a Partner SE Manager at Cloudflare. Lead and mentor a team of Partner Solutions Engineers, engage with partners to provide technical support and assistance, and collaborate with internal teams for partner and customer success. Ideal candidate is passionate about technology, able to explain complex concepts clearly, and enjoys coaching and teaching.
Top Benefits:
401-K
Child Care Benefits
Commuter Benefits
+45 More
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