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Top Senior Level Javascript Jobs in NYC, NY

144+ Job Results
16 Days Ago
New York, NY
300 Employees
150K-180K Annually
7+ Years of Experience
300 Employees
150K-180K Annually
7+ Years of Experience
Agency • Digital Media • Fashion • Social Media
The Performance & Reliability Architect will develop and maintain a performance strategy for Shopify Plus e-commerce sites, focusing on identifying performance gaps and enhancing code execution and site performance across all browsers, with an emphasis on mobile. The role includes collaboration with cross-functional teams to ensure high-quality delivery of digital properties.
Top Benefits:
401-K
Dental Insurance
Generous PTO
+7 More
18 Days Ago
New York, NY
16,912 Employees
140K-155K Annually
5-7 Years of Experience
16,912 Employees
140K-155K Annually
5-7 Years of Experience
Digital Media • News + Entertainment
The Senior Software Engineer will modernize and expand front-end tools for messaging workflows, providing expertise and support to the team. Responsibilities include full development lifecycle contributions, maintaining code quality, and aligning with the mission of the company.
Top Benefits:
Dedicated Diversity Inclusion Staff
Highly Diverse Management Team
Paid Sick Days
20 Days Ago
New York, NY
26 Employees
7+ Years of Experience
26 Employees
7+ Years of Experience
Fintech
As a Senior Software Engineer at Databento, you will design and maintain scalable APIs and backend services, collaborate on web application features, manage database migrations, implement CI/CD best practices, and ensure application performance. The role involves both backend and possible frontend development responsibilities in a remote setting.
22 Days Ago
New York, NY
960 Employees
196K-245K Annually
7+ Years of Experience
960 Employees
196K-245K Annually
7+ Years of Experience
Cloud
Join Fastly as a Staff Software Engineer focusing on Compute SDKs. Work on technologies that power Fastly's Compute platform, primarily using C++ and Rust. Responsibilities include working on language-specific SDKs, collaborating with open source communities, and managing projects from a technical lead role.
22 Days Ago
New York, NY
Remote
Hybrid
450 Employees
175K-232K Annually
7+ Years of Experience
450 Employees
175K-232K Annually
7+ Years of Experience
Cloud • Software • Database
Deliver and help build highly technical instructor-led training courses for CockroachDB products, become a CockroachDB expert, and contribute to improving existing courses and training materials.
Top Benefits:
401-K
Adoption Assistance
Child Care Benefits
+47 More
25 Days Ago
New York, NY
Remote
550 Employees
200K-225K Annually
7+ Years of Experience
550 Employees
200K-225K Annually
7+ Years of Experience
Consumer Web • eCommerce • Healthtech
Partner closely with product and design teams to design and implement front-end architecture and systems for the Calibrate Mobile App using React Native. Manage technical dependencies, timelines, and deliverables for front-end projects. Ensure high performance and responsiveness of applications and drive performance optimization initiatives. Provide mentorship and technical leadership to the engineering team.
Top Benefits:
401-K
401-K Matching
Company Equity
+22 More
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