Senior Frontend Developer (React / TypeScript)

Jordan martorell s.l.; Singapore; On-site; SGD 70,000 - 100,000; Full time

Job summary

A leading cybersecurity technology firm in Singapore is seeking a Frontend Developer to develop and maintain their advanced fraud protection platform. The ideal candidate will have strong skills in TypeScript and React, experience in frontend development, and a collaborative mindset. This role allows for flexible work schedules and emphasizes professional growth through continuous learning opportunities.

Benefits

Flexible Work Schedule

Health insurance

Certifications & Continuous Learning

Qualifications

• Strong proficiency in TypeScript and React, solid understanding of static typing.
• Hands-on experience in frontend development.
• Ability to review and support other developers’ code.

Responsibilities

• Develop and maintain the GUI frontend using TypeScript and React.
• Design and implement Protobuf gRPC APIs.
• Write and maintain automated tests and review team code.

Skills

TypeScript

React

Web Workers

Problem solving

Technical awareness

Collaboration

Tools

MobX

Vite

Golang

Docker

Kubernetes

Job description

Founded in 2003 and headquartered in Singapore, Group-IB is a leading creator of cybersecurity technologies to investigate, prevent, and fight digital crime. Combating cybercrime is in the company’s DNA, shaping its technological capabilities to defend businesses, and citizens, and support law enforcement operations.

Group-IB’s Digital Crime Resistance Centers (DCRCs) are located in the Middle East, Europe, Central Asia, and Asia-Pacific to help critically analyze and promptly mitigate regional and country-specific threats. These mission-critical units help Group-IB strengthen its contribution to global cybercrime prevention and continually expand its threat-hunting capabilities.

ABOUT THE ROLE:

Work with Group‑IB Fraud Protection — an advanced platform built to uncover and stop sophisticated online fraud. You’ll think like an adversary, analyze real‑world tactics, and counter threats ranging from social engineering and account misuse to malicious bots, web injections, mobile trojans, and complex malware‑driven fraud schemes.

Main responsibilities:

• Develop and maintain the GUI frontend written in TypeScript and React
• Design and implement Protobuf gRPC APIs
• Write and maintain automated tests, review code from teammates
• Develop a monitoring system for anonymized transactions
• Design and implement complex client‑side scenarios
• Build a graph visualization tool for analytical exploration of relationships between various data structures

We are looking for someone who:

• Has strong proficiency in TypeScript and React, with a solid understanding of static typing and reactive programming principles
• Has hands‑on experience in frontend development and can review and support other developers’ code
• Knows how to work with Web Workers and various Web APIs
• Approaches architecture and coding in a structured and methodical way
• Can solve complex problems with clear, understandable solutions
• Has good technical awareness, enthusiasm, and a collaborative mindset

What else we appreciate in our team:

• Experience with MobX, Vite, and Biome JS
• Experience in designing Protobuf and gRPC APIs
• Familiarity with Tanstack Query and Tanstack Router
• Experience with Golang, Docker, and Kubernetes (our backend is written in Go)
• Experience working with micro‑frontends and monorepositories

Project infrastructure:

The system operates on dozens of instances worldwide, both on physical servers and in AWS. Everything runs in Kubernetes (including database operators), with CI/CD pipelines on GitLab and cluster version control via Flux CD. Monitoring and observability are handled through Zabbix, Prometheus, Alertmanager, and Grafana. This context is important to understand the scale and complexity of the project that the frontend integrates with.

OUR WORK ENVIRONMENT & CULTURE:

At Group‑IB, we believe that employee happiness is fundamental to success. We foster a supportive, inclusive, and dynamic workplace where every team member is empowered to grow. Whether you’re aiming to deepen your expertise, step into leadership, explore new departments, or take your career abroad, we provide diverse opportunities for professional development.

Our team is made up of specialists from around the world who bring deep international expertise and thrive on solving complex challenges. You’ll be working with cutting‑edge technologies recognized globally by Gartner, IDC, and Forrester, and contributing to projects that span across 60 countries alongside 450+ partners and 500+ clients.

We take pride in our multicultural, values‑driven culture—where mutual respect, collaboration, and shared goals unite us across borders. And with Group‑IB’s continued global growth and financial stability, your career trajectory here can accelerate faster than in most traditional environments.

WHAT DO WE OFFER:

• Flexible Work Schedule
• We don’t believe in fixed hours—what matters is impact, not time spent. You have the freedom to design your own workday in a way that drives results and balance.
• Your well‑being comes first. We offer health insurance to support you when it matters most.
• Certifications & Continuous Learning
• Our team holds over 1,000 globally recognized certifications, including CEH, CISSP, OSCP, and more. Through our incentive program, we cover the cost of professional development—because your growth fuels our innovation.
• From soft skills development to advanced technical training, a wide range of internal programs help you expand your skill set—and earn recognition and rewards along the way.
• Entrepreneurial spirit is encouraged
• We value initiative. Whether it’s launching a tech blog, organizing events, building communities, or starting a sports team—Group‑IB is a place where bold ideas are supported and celebrated.