Senior Fullstack TypeScript Developer

Overview

We are seeking a highly skilled Senior Fullstack TypeScript Developer to lead the development and maintenance of our web-based user interface, which integrates with various APIs and JavaScript SDKs. This role will focus on improving code quality, streamlining feature implementation, and enhancing team processes to deliver a robust and scalable web platform. The ideal candidate will have strong expertise in modern web development, experience with complex UI systems, and the ability to mentor a distributed team while navigating technical and operational challenges.

Key Responsibilities

• Codebase Improvement: Refactor and optimize the existing web UI codebase to reduce technical debt and ensure long-term maintainability. Address issues such as unsupported JS event hijacking and CSS customizations.
  
  

• Feature Development: Collaborate with product managers to refine and prioritize feature requirements, ensuring technical feasibility and platform stability. Implement features using modern JavaScript frameworks and CSS methodologies.
  
  

• Testing Automation: Develop and implement automated testing strategies (unit, integration, and end-to-end) to replace manual testing, improving regression testing efficiency and reliability.
  
  

• Cloud Infrastructure: Leverage AWS cloud technologies to enhance the web platform’s performance and scalability. Provide guidance to the team on AWS best practices and address any skill gaps for overseas contractors.
  
  

• Team Leadership: Mentor and guide a distributed web development team, fostering collaboration and upskilling team members in modern web technologies and cloud infrastructure.
  
  

• Process Improvement: Work with product and development teams to establish structured feature prioritization and review processes, avoiding outdated UI patterns and ensuring requirements are well defined.
  
  

• Stakeholder Communication: Act as a bridge between product managers, the mobile app team, and the web team to align project goals and technical constraints.
  
  

Qualifications

• Experience:
  
  

  • 6+ years of professional web development experience.
    
    

  • Proven experience in maintaining and refactoring complex production codebases.
    
    

  • Strong expertise in JavaScript (ES6+), modern frameworks (e.g., React), and CSS (Tailwind, SCSS, or CSS-in-JS).
    
    

  • Hands-on experience integrating JavaScript SDKs or third-party APIs.
    
    

  • Experience with automated testing frameworks (e.g., Playwright, Jest, Cypress) and CI/CD pipelines.
    
    

  • Working knowledge of AWS cloud infrastructure (EC2, S3, Lambda, CloudFront) and related tools.
    
    

• Skills:
  
  

  • Ability to analyze and resolve issues in messy or undocumented codebases.
    
    

  • Strong problem-solving skills to balance short-term needs with long-term architecture improvements.
    
    

  • Excellent communication skills to collaborate with cross-functional teams and mentor developers.
    
    

  • Familiarity with agile development methodologies and tools (e.g., Jira, Confluence).
    
    

• Preferred:
  
  

  • Experience working with distributed or overseas teams and managing collaboration challenges.
    
    

  • Knowledge of PDF viewer technologies or document rendering systems.
    
    

• Your resume
• Any portfolio or GitHub links showcasing your work