Senior Data Engineer

Position Title : Frontend / Chrome Extension Developer (React + TypeScript)

Experience : 3+ years

Location : Remote

Job Role Summary :

Build and ship production-ready Chrome extensions that inject UI into existing web apps. Own content scripts, DOM integration, performance, and accessibility (WCAG 2.1 AA).

Mandatory Skills :

React, TypeScript, Chrome Extensions (MV3), Content Scripts, DOM Injection, MutationObserver, TailwindCSS/CSS Modules, Accessibility (WCAG 2.1 AA).

Key Responsibilities :

• Develop Chrome extensions using React + TypeScript.
• Inject and manage UI components within third-party web app DOMs.
• Write and maintain content scripts; handle dynamic pages via MutationObserver.
• Implement clean, responsive styling with TailwindCSS or CSS Modules.
• Ensure accessibility (WCAG 2.1 AA), keyboard navigation, and ARIA semantics.
• Integrate with APIs, manage extension permissions, storage, and messaging.
• Optimize performance, handle edge cases across sites, and write basic tests.

Required Skills :

• Strong React + TypeScript in production.
• Chrome Extension architecture: manifest v3, content/background scripts, messaging, permissions.
• DOM manipulation and safe UI injection strategies.
• MutationObserver, event delegation, handling SPA route changes.
• TailwindCSS or CSS Modules; solid CSS fundamentals.
• Accessibility (WCAG 2.1 AA) and cross-browser compatibility (Chromium/Firefox optional).
• Familiarity with build tooling (Vite/Webpack), linting, and Git.

Nice-to-Have :

• Experience with service workers, storage (sync/local), and i18n.
• Testing with Jest/RTL/Playwright.
• Security basics for extensions (CSP, sandboxing).

Have an Experience indeveloping nativeAndroid apps(depth knowledgeof Android SDK,

NDK)

Depth knowledge of SQLite and Room

Excellent in JAVA, Kotlin language with a good debugging Skills

Expert in using Android Studio and Git .

Developing universal application, which can run on most available android devices.

Must have good understanding of Object-Oriented Programming

Good eye for mobile app design and product sense

Experience in cross platform Tools like Appcelerator

Internally motivated, able to work proficiently both independently and in a team environment.

Good communication skills with both internal team members and external business stakeholders

Strong initiative to find ways to improve solutions, systems, and processes.

Experience of working on Android Studio.

Good in data structure and Algorithms.

Very Sound knowledge of Android Components.

Good in Multi-threading concepts(Desired).

Very good understanding of Java, garbage collection and design patterns.

Third party API Integration like Facebook, Twitter, Payment Gateways.

Experience with Android Google Maps API, and other location based services

• Design the architecture of our big data platform
• Perform and oversee tasks such as writing scripts, calling APIs, web scraping, and writing SQL queries
• Design and implement data stores that support the scalable processing and storage of our high-frequency data
• Maintain our data pipeline
• Customize and oversee integration tools, warehouses, databases, and analytical systems
• Configure and provide availability for data-access tools used by all data scientists

• Need to develop the new script using Perl  & Python
• Need to analyse the existing script and do new changes
• Need to interact with QA team, Deployment team
• Need to interact with in-house and external customers
• Need to interact with internal team members for integrated development
• Need to have good communication skills within the team members

Skills required:

• Need to have experience in developing projects using PERL and Python
• Familiarity in Unix/Linux development environments and tools including
• scripting and  process management
• Need to have experience in database(Mysql) concepts
• Need to have a experience in Elastic Search
• Have a knowledge in Git,Svn commands
• Need to have experience in implementing OOPS concepts
• Need to have a experience in XML functionality (read,create.,etc)
• Have a knowledge in creating a csv,xlsx files, json format
• Need to have a experience in PDF Functionality & FTP,SFTP Modules
• Need experience in unit testing
• Develop best practices to ensure coding efficiency and quality
• Experience in test driven development and Agile methodologies

Preference of Educational background:

• B.E

Preference of Professional background:

• Experience in handling  modules
• Experience in  PERL,Python,Mysql,Linux,Elastic search,Xml,PDF,FTP functionality

JOB DESCRIPTION: The Fraud Lead will manage the gameplay fraud for all poker products and work closely with the payments team to create smooth players and gameplay investigations with the outcome being a low level of fraud across the business. You will liaise directly with network partners via multiple communication channels, to assist with fraud issues via providing fast, accurate and thorough responses to numerous contacts per shift. You will be responsible for building and maintaining Gaming Integrity controls related to issues such as collusion, bots/live assistance use, money dumping and more.

Your key job responsibilities as the Fraud Lead in Pocket52 will include:

• Day to day gameplay fraud analysis to identify and prevent fraud in poker
• Ensuring that all team members follow the fraud procedures
• Constant assessment of the fraud process and constant improvement to the processes
• The role involves utilizing a number of detection and investigation techniques in-order to identify high risk accounts, unusual activity, investigates and subsequently close suspicious accounts. 
• You will be proactively investigating and reviewing the player pool for suspicious activity and building cases that result in removing any players who are a threat to the integrity of the games on the Pocket network
• Review customer transactions and gameplay to prevent fraudulent actions.
• Discover new techniques in fraud prevention and customer service using various software and applications
• Monitoring for poker rooms
• Working with the product managers and marketing team to ensure promotions cannot be abused by players

To apply for the Fraud Lead in Pocket52 you will need:

• 3+ years previous experience in managing fraud for online games
• Experience playing online poker and knowledge of the online poker games products, promotion types and customers
• Knowledge of all fraud tools and ability to access products for purpose
• Ability to query and analyse behavioural data in order to identify patterns of fraud
• Ability to manage a heavy workload, prioritising and managing the pressure that comes with managing a critical product vertical
• Technically aware, comfortable working with multiple IT systems, databases and programs
• Solid understanding of game theory optimal (GTO) poker solutions
• Conduct OSINT checks in poker fraud investigations.