Senior Fullstack TypeScript Developer

Rhino Partners; Singapore; On-site; SGD 70,000 - 100,000; Full time

Job summary

A leading tech company is looking for a Senior Fullstack TypeScript Developer to enhance their web platform. In this role, you will focus on improving code quality, streamline feature implementation, and lead a distributed team. Ideal candidates will have significant experience with modern web technologies and strong collaborative skills.

Qualifications

• 6+ years professional web development experience required.
• Experience maintaining and refactoring complex production codebases.
• Strong expertise in JavaScript (ES6+), React, and CSS frameworks.

Responsibilities

• Refactor and optimize existing web UI codebase for maintainability.
• Collaborate with product managers to refine feature requirements.
• Develop and implement automated testing strategies for better efficiency.

Skills

Problem Solving

Communication

Code Analysis

Tools

AWS

React

Jira

Confluence

Job description

Overview

We are seeking a highly skilledSenior Fullstack TypeScript Developerto 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.

Application Process

To apply, please submit:

Your resume

Any portfolio or GitHub links showcasing your work

Note: Candidates should be prepared to discuss strategies for refactoring legacy code and improving team processes during the interview process.

Click ‘Apply Now’ if you’re interested!