Workiy Logo

Workiy

Senior Frontend Engineer (React & TypeScript)

Posted 2 Days Ago
Remote
Hiring Remotely in CAN
Senior level
Remote
Hiring Remotely in CAN
Senior level
Design, develop, and maintain scalable React + TypeScript web applications. Build reusable components, optimize performance (Core Web Vitals), integrate with REST/GraphQL backends, implement telemetry, write automated tests, participate in agile processes, perform code reviews, and mentor junior engineers.
The summary above was generated by AI

This is a remote position.

Job Description – Senior Frontend Engineer

We are seeking an experienced Senior Frontend Engineer to design, develop, and maintain modern, scalable web applications using React 18+, TypeScript, and modern JavaScript (ES6+). In this role, you will be responsible for building high-quality user interfaces, developing reusable and maintainable components, and integrating frontend applications with backend services through RESTful APIs. You will work closely with cross-functional teams including product managers, designers, backend engineers, and QA teams to deliver exceptional user experiences while ensuring application performance, reliability, and scalability.

The ideal candidate will have strong expertise in React's modern features such as hooks, concurrent rendering, and component-driven architecture. You will be responsible for implementing frontend best practices, managing application state using tools such as Redux Toolkit, Context API, or Zustand, and contributing to the overall frontend architecture. Experience building enterprise-scale applications with a focus on maintainability and performance is essential.

This position requires a strong understanding of frontend performance optimization techniques, including lazy loading, code splitting, memoization, and Core Web Vitals monitoring. You will be expected to analyze application performance metrics, identify opportunities for improvement, and contribute to KPI reviews focused on user experience, page performance, and engagement. Additionally, you will implement and monitor application telemetry using tools such as Application Insights and OpenTelemetry to proactively identify and resolve issues.

The successful candidate will participate in agile development processes, contribute to technical design discussions, perform code reviews, and ensure code quality through automated testing frameworks such as Jest and React Testing Library. Strong communication skills, a collaborative mindset, and the ability to mentor junior developers while driving technical excellence are highly valued.

Qualifications:

  • 8+ years of software development experience with a strong focus on frontend engineering.
  • Extensive experience with React 18+, TypeScript, and modern JavaScript (ES6+).
  • Strong knowledge of state management solutions including Redux Toolkit, Context API, and/or Zustand.
  • Experience integrating frontend applications with RESTful APIs and backend services.
  • Expertise in frontend performance optimization and Core Web Vitals.
  • Experience with application monitoring, observability, and telemetry tools.
  • Proficiency with testing frameworks such as Jest and React Testing Library.
  • Experience working in Agile/Scrum environments and participating in code reviews.
  • Strong problem-solving, communication, and collaboration skills.


Requirements
  • React 18+ (Hooks, Suspense, Concurrent Rendering, Component-Driven Architecture)
  • TypeScript
  • Modern JavaScript (ES6+)
  • HTML5, CSS3, Responsive Web Design
  • State Management (Redux Toolkit, Context API, Zustand)
  • REST API and GraphQL Integration
  • Frontend Architecture and Design Patterns
  • Performance Optimization (Lazy Loading, Code Splitting, Memoization)
  • Core Web Vitals (LCP, CLS, INP)
  • Application Monitoring and Telemetry (Application Insights, OpenTelemetry)
  • Testing Frameworks (Jest, React Testing Library)
  • Git Version Control
  • Agile/Scrum Methodologies
  • Code Reviews and CI/CD Practices
  • Cross-Browser Compatibility and Accessibility Standards


Similar Jobs

52 Minutes Ago
Remote or Hybrid
Senior level
Senior level
Artificial Intelligence • Cloud • HR Tech • Information Technology • Productivity • Software • Automation
Manage and grow ServiceNow partner relationships across Canada: build partner practices, set targets, drive governance, enablement, reporting, business reviews, remediation plans, and achieve joint revenue goals while coaching partners and collaborating with global teams.
Top Skills: AIServicenow
4 Hours Ago
Remote or Hybrid
2 Locations
151K-187K Annually
Senior level
151K-187K Annually
Senior level
Artificial Intelligence • Professional Services • Business Intelligence • Consulting • Cybersecurity • Generative AI
Design and improve user experiences for human-AI systems by conducting research, usability testing, creating personas and prototypes, collaborating with cross-functional teams, analyzing trends, and building client relationships to deliver human-centered design solutions.
4 Hours Ago
Easy Apply
Remote
Easy Apply
153K-213K Annually
Senior level
153K-213K Annually
Senior level
Big Data • Fintech • Mobile • Payments • Financial Services
Lead the Shopping Experiences roadmap to launch and scale DTC checkout, offers, and preference surfaces. Define hypotheses and metrics, run experiments and incrementality testing, optimize CAC→LTV, and partner cross-functionally with Engineering, Design, Risk, and Compliance to drive conversion, activation, and revenue.
Top Skills: AmplitudeClaude CodeCursorSQL

What you need to know about the NYC Tech Scene

As the undisputed financial capital of the world, New York City is an epicenter of startup funding activity. The city has a thriving fintech scene and is a major player in verticals ranging from AI to biotech, cybersecurity and digital media. It also has universities like NYU, Columbia and Cornell Tech attracting students and researchers from across the globe, providing the ecosystem with a constant influx of world-class talent. And its East Coast location and three international airports make it a perfect spot for European companies establishing a foothold in the United States.

Key Facts About NYC Tech

  • Number of Tech Workers: 549,200; 6% of overall workforce (2024 CompTIA survey)
  • Major Tech Employers: Capgemini, Bloomberg, IBM, Spotify
  • Key Industries: Artificial intelligence, Fintech
  • Funding Landscape: $25.5 billion in venture capital funding in 2024 (Pitchbook)
  • Notable Investors: Greycroft, Thrive Capital, Union Square Ventures, FirstMark Capital, Tiger Global Management, Tribeca Venture Partners, Insight Partners, Two Sigma Ventures
  • Research Centers and Universities: Columbia University, New York University, Fordham University, CUNY, AI Now Institute, Flatiron Institute, C.N. Yang Institute for Theoretical Physics, NASA Space Radiation Laboratory

Sign up now Access later

Create Free Account

Please log in or sign up to report this job.

Create Free Account