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Group-IB

Frontend Developer

Group-IB
Estonia · Full-time · Mid-Senior

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, 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.

Each of us can help make the world a safer place. Join us!


ABOUT THE PRODUCT


Group-IB Threat Intelligence is a cutting-edge system designed to detect, analyze, and combat cyber threats with unmatched precision. Dive into big data processing, automated reporting, and real-time alerting, staying ahead of adversaries and safeguarding your digital assets. Trusted by hundreds of clients worldwide, our platform saves millions annually by fortifying defenses and mitigating risks. Join us in the fight against cybercrime and elevate your security to new heights with Group-IB Threat Intelligence.


TECH STACK


  • Languages and Frameworks: Typescript, Javascript, React, Golang
  • Databases: Cassandra, Elasticsearch, ClickHouse.
  • Infrastructure: Dozens of instances worldwide (both on hardware servers and on AWS), everything in Kubernetes (including database operators), CI (Gitlab, CD) and cluster version control (Flux CD), monitoring: Zabbix, Prometheus, Alertmanager, Grafana.
  • API: gRPC, Protobuf, grpc-web, http rest api
  • Infrastructure: Dozens of instances worldwide (both on hardware servers and on AWS), everything in Kubernetes (including database operators), CI (Gitlab, CD) and cluster version control (Flux CD), monitoring: Zabbix, Prometheus, Alertmanager, Grafana.


TASKS TO SOLVE


  • Develop and maintain GUI frontend part written on Typescript and React
  • Design and implement Protobuf gRPC api
  • Write tests for your own code and review code written by your coworkers.
  • Develop and maintain a complex JavaScript module that collects information on websites, including by coming up with new solutions and making a case for them in front of colleagues. In simple terms, the module is similar to Google Analytics but much more complex. The module protects itself from being reverse engineered, interacts with itself while working simultaneously in several tabs, and communicates with a highly loaded backend in an optimal manner (only when necessary).
  • Develop and maintain a dynamic script generation system that depends on time and selected modules.


THE ROLE IS PERFECT FOR YOU IF


  • You have proficiency in Typescript and React. A good understanding of static strict types and reactive programming principles
  • You have proficiency in JavaScript and a good understanding of how it works in various browsers (don’t worry, you won’t have to support very old browsers)
  • You have you have experience in Frontend development (ReactJS) to review code or help Frontend developers
  • You have knowledge of web workers and experience in various web APIs.
  • You have knowledge of obfuscators and experience in writing your own (or working closely with existing ones).
  • You have a structured approach to coding and solution architecture in general.
  • You have an ability to solve complex problems in a simple and understandable way for coworkers.
  • You have a good technical outlook, enthusiasm, and passion.
  • You have an ability to work as part of a team.


WHAT ELSE WE APPRECIATE IN OUR TEAM


  • Experience with MobX, Vite and Biome JS
  • Experience in Protobuf and grpc api design
  • Experience with Tanstack Query and Tanstack Router
  • Experience with Golang, Docker and Kubernetes (we have backend part in Go)


WHY CHOOSE GROUP-IB


  • Your happiness is important to us. We want every single team member to be happy.
  • Continuing professional development. At Group-IB, you can choose from various paths to growth: progress as an expert, advance to a management position, try your hand in another department, relocate abroad, or launch a new business area at Group-IB.
  • A team with extensive international expertise. Do you have experience but are looking for exciting challenges? By choosing us, you will be choosing complex tasks and continuously improving your skills in a fast-growing international company.
  • Globally recognized technologies. Group-IB's members are located in 25 countries and our products and services are sold in 60 countries. What’s more, Gartner, IDC, and Forrester have ranked our technologies among the best in their class. We work with over 450 international partners and about 500 clients.
  • A culture created by each of us. Group-IB’s employees speak many different languages and understand one another. We respect each other's beliefs, share common values, and strive toward the happiness of every employee.
  • Economic stability. Group-IB's sustainable growth helps rapidly develop careers that would take years to progress as far as most other companies.


WHAT ELSE YOU SHOULD KNOW


  • Flexible schedule. Group-IB does not have fixed working hours. You choose your own schedule. We adhere to the principle advocated by Steve Jobs: “We have to work not 12 hours, and head.”
  • Challenges. A wide selection of GIB programs helps you improve soft skills, gain new competencies, and receive monetary rewards.
  • The initiative is rewarded. At Group-IB, you can bring your most daring ideas to life. The company encourages technical blogging, writing articles, building sports teams, and other creative activities.


Sounds like you? Don’t wait! Apply:)

Key Skills

Ranked by relevance

grpc javascript kubernetes typescript prometheus gitlab react aws google analytics elasticsearch cybersecurity cassandra big data reactjs outlook docker golang
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Posted
Mar 25, 2025
Type
Full-time
Level
Mid-Senior
Location
Tallinn
Company
Group-IB

Industries

Computer Network Security IT Services IT Consulting Security Investigations

Categories

Engineering Information Technology Science

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