Senior Frontend Engineer — San Francisco

Filled
February 25, 2026

Job Description

Job Overview

We are looking for a Senior Frontend Engineer with strong experience in modern web technologies to join a globally distributed engineering team. In this role, you will design, build, and maintain secure and high-performance web applications while collaborating closely with product managers, designers, and engineers across North America, Europe, and India.

This position is ideal for someone passionate about building scalable user interfaces and delivering seamless digital experiences.

Key Responsibilities

Front-End Development

  • Develop and maintain responsive and high-quality web applications using HTML, CSS, and JavaScript.
  • Build modern applications using TypeScript, React, and Redux.
  • Implement reusable and scalable UI components.
  • Ensure cross-browser compatibility and mobile responsiveness.

Collaboration & Product Development

  • Work closely with UX/UI designers to deliver intuitive user experiences.
  • Partner with product and engineering teams to translate business requirements into technical solutions.
  • Participate in architecture discussions and technical planning.

Performance Optimization

  • Optimize applications for maximum speed, scalability, and performance.
  • Improve loading time, rendering efficiency, and overall responsiveness.
  • Identify bottlenecks and resolve performance issues.

Code Quality & Reviews

  • Write clean, maintainable, and well-documented code.
  • Conduct code reviews and support team members with constructive feedback.
  • Maintain coding standards and best practices.

Troubleshooting & Debugging

  • Debug and resolve application issues.
  • Monitor and improve overall product stability and usability.

Required Qualifications

Experience

  • 5–7+ years of experience as a Frontend Engineer.
  • Full-stack exposure is considered a plus.

Core Technologies

Strong experience with:

  • TypeScript
  • React
  • Redux

Development Tools

Experience working with:

  • Vite
  • TSC (TypeScript Compiler)
  • Yarn
  • NPM
  • Monorepo architectures

Testing

Hands-on experience with at least one testing framework:

  • React Testing Library
  • Jest
  • Playwright

Preferred Experience

Crypto / Web3 Development

Experience working with blockchain or crypto-related technologies such as:

  • Self-custody wallet APIs
  • Wagmi
  • WalletConnect
  • Ethers.js
  • Viem

Cloud Platforms

  • Experience with Microsoft Azure is a plus.

Industry Background

  • Prior experience in Fintech or Crypto platforms is highly desirable.

Soft Skills

  • Excellent communication and collaboration abilities.
  • Ability to work with distributed global teams.
  • Strong problem-solving mindset.
  • Attention to detail and commitment to quality.

Why Join

Collaborative and fast-moving development environment.

Work with a global engineering team.

Build secure and scalable products used by real customers.

Opportunity to contribute to fintech and Web3 innovations.