Cornspring

Senior Frontend Engineer

Cornspring

full-time

Posted on:

Location Type: Hybrid

Location: Singapore • Singapore

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Job Level

Senior

Tech Stack

CloudJavaScriptReactTypeScript

About the role

  • You will be responsible for developing sophisticated data manipulation interfaces using TypeScript within the Microsoft Office Add-in ecosystem while also creating intuitive web applications where clients interact with their data using AI.
  • You will design, build, and maintain high-performance Excel Add-ins using TypeScript and Office.js, tailored for internal Microsoft 365 deployment.
  • You will develop and scale web interfaces for our AI solutions, data visualization, and reporting.
  • You will work closely with our Backend team to ensure seamless integration with our cloud services while delivering exceptional user experiences in both Excel and our React-based web portal.
  • You will contribute to architectural decisions, component libraries, and development best practices.
  • You will support cross-team coordination around security, testing, deployment, and CI/CD pipelines.

Requirements

  • This role is perfect for someone who enjoys building robust user experiences that bridge traditional productivity tools (like Excel) with modern, responsive web apps; and who is excited by the opportunity to work with AI and financial data.
  • This role requires strong expertise in modern UI development practices and professional frontend development experience with JavaScript, React and TypeScript.
  • You will need deep understanding of data visualization, REST API integration, and responsive design principles.
  • Experience handling authentication flows (e.g., OAuth), and managing async data interactions.
  • Strong understanding of frontend performance optimization, state management, and cross-environment compatibility.
  • Experience working in Agile teams, with a proactive and ownership-driven mindset.
  • Experience building and deploying Office Add-ins, especially within Microsoft 365 for internal enterprise use, would be strong advantage.
Benefits
  • Competitive salary and benefits.
  • Hybrid working: 2 days per week at the office.
  • An opportunity to work at the forefront of AI-driven finance, tackling genuinely complex and high-impact challenges.
  • Hands-on exposure to advanced ML, LLM, and data technologies within real production systems.
  • A collaborative, high-ownership start-up environment offering exceptional learning opportunities.
  • The chance to help shape the future of Family Office and Asset Management technology.
Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills & Tools
TypeScriptJavaScriptReactOffice.jsdata visualizationREST API integrationresponsive designfrontend performance optimizationstate managementauthentication flows
Soft Skills
proactive mindsetownership-driven mindsetcross-team coordination