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CashLink Global Systems Reviews by Employees

Software Engineer

Team Lead

Software Developer

Job Summary : We are looking for a highly skilled Android POS Developer with hands-on experience in developing solutions for Android-based POS terminals. The ideal candidate will have expertise across a range of POS hardware platforms and protocols used in secure payment transactions. Key Responsibilities : - Design and develop applications for Android-based POS terminals. - Work with different POS hardware platforms including Castles, Newland, Ingenico, Nexgo, and Evolute devices. - Integrate payment functionalities using ISO8583 protocol. - Implement EMV and contactless (CLESS) payment standards. - Collaborate with cross-functional teams to define, design, and ship new features. - Develop and maintain secure communication over TCP/IP, supporting various communication modes such as Ethernet, Dial-Up, WiFi, GPRS, USB, and Pinpad. - Ensure high performance, quality, and responsiveness of applications on embedded Android platforms. - Participate in code reviews and technical documentation. Required Skills & Qualifications : - Strong experience in Android SDK development for POS systems. - Proficient in Java, Kotlin, C, and C++. - Deep understanding of Linux OS and system-level debugging. - Strong domain experience in credit card payment systems. - Excellent knowledge of ISO8583 protocol and EMV/CLESS standards. - Experience with secure communications and encryption standards. - Familiarity with POS hardware from Castles, Ingenico, Nexgo, Evolute, and Newland. - Strong understanding of network protocols including TCP/IP. - Excellent verbal and written communication skills.

Chennai

CashLink Global Systems - Android POS Developer - Java/Kotlin (3-6 yrs)

Key Responsibilities : - Design, develop, and maintain high-performance microservices using Java, Spring Boot, REST/SOAP Web Services. - Implement and optimize event-driven architecture using Kafka, Solace, or Confluent. - Develop and manage data persistence with Oracle or PostgreSQL databases. - Collaborate with cross-functional teams to ensure seamless integration and delivery. - Utilize GitHub/BitBucket for version control and Azure DevOps for CI/CD pipelines. - Implement observability using ELK Stack to ensure system health and reliability. - Work within an Agile environment, contributing to sprint planning, reviews, and retrospectives. Required Skills : - Strong hands-on experience in Java, Spring Boot, and Web Services (SOAP/REST). - Good understanding of Microservices architecture and design patterns. - Proficient with Oracle or PostgreSQL databases. - Familiar with version control systems like GitHub or BitBucket. - Experience with integration platforms like Apache Kafka, Solace, or Confluent. Secondary Skills (Preferred) : - Intermediate knowledge of Angular or React for UI development. - Experience with ELK stack for logging and monitoring. - Familiarity with Docker, OCP (OpenShift Container Platform). - Exposure to AWS cloud services and DevOps practices using Azure DevOps (ADO)

CashLink Global Systems - Senior Java Developer - Microservices & Integration (3-6 yrs)

Job Title : Android POS Developer Location : Chennai Experience : 3 years Industry : Payments / Fintech / Embedded Systems Job Summary : We are looking for a highly skilled Android POS Developer with hands-on experience in developing solutions for Android-based POS terminals. The ideal candidate will have expertise across a range of POS hardware platforms and protocols used in secure payment transactions. Key Responsibilities : - Design and develop applications for Android-based POS terminals. - Work with different POS hardware platforms including Castles, Newland, Ingenico, Nexgo, and Evolute devices. - Integrate payment functionalities using ISO8583 protocol. - Implement EMV and contactless (CLESS) payment standards. - Collaborate with cross-functional teams to define, design, and ship new features. - Develop and maintain secure communication over TCP/IP, supporting various communication modes such as Ethernet, Dial-Up, WiFi, GPRS, USB, and Pinpad. - Ensure high performance, quality, and responsiveness of applications on embedded Android platforms. - Participate in code reviews and technical documentation. Required Skills & Qualifications : - Strong experience in Android SDK development for POS systems. - Proficient in Java, Kotlin, C, and C++. - Deep understanding of Linux OS and system-level debugging. - Strong domain experience in credit card payment systems. - Excellent knowledge of ISO8583 protocol and EMV/CLESS standards. - Experience with secure communications and encryption standards. - Familiarity with POS hardware from Castles, Ingenico, Nexgo, Evolute, and Newland. - Strong understanding of network protocols including TCP/IP. - Excellent verbal and written communication skills.

CashLink Global Systems - Android POS Developer - Java/Kotlin (3-5 yrs)

Responsibilities : - Utilize your extensive C/C++ development skills to build and maintain core banking applications. - Work extensively with shared memory concepts for efficient inter-process communication. - Leverage your strong command of UNIX/Linux operating systems and commands for system interaction and scripting. - Apply your knowledge of Standard Template Library (STL) in C++ for efficient data structures and algorithms. - Interact with databases to store, retrieve, and manipulate financial data. - Ideally, utilize your experience with banking domain specifics, preferably in the area of transaction switching. - Employ technical tools such as NPCI BOSS, Mastercard, and Visa simulators for testing and development. - Integrate development processes with DevOps CI/CD pipelines for efficient software delivery. - Utilize version control systems like GIT or Bitbucket for collaborative development and code management. - Work within a UNIX/Linux operating system environment for development and deployment. Must-Have Skills : - Proven experience in the banking domain, preferably with exposure to Switch technologies. - Strong technical skills in C/C++, including shared memory management. - Proficient in using UNIX/Linux commands and operating within these environments. - Solid understanding and practical application of the C++ Standard Template Library (STL). - Experience working with databases (specific type not mandated but understanding of relational databases is key). - Experience with version control systems such as GIT or Bitbucket. - Comfortable working within a UNIX/Linux operating system. Good-to-Have Skills : - Hands-on experience with simulation tools like NPCI BOSS, Mastercard Simulator, or Visa Simulator. - Familiarity with DevOps CI/CD integration processes and tools.

CashLink Global Systems - C/C++ Developer - Banking Applications (7-9 yrs)

Job Description : - Design, develop, and implement full-stack applications with a focus on Java for backend and Angular/React for web, along with Flutter for cross-platform mobile development. - Utilize your strong Java proficiency with Spring Boot, Spring Cloud, and microservices architecture to build scalable backend systems. - Lead frontend development efforts using Angular and Flutter for creating engaging web and mobile experiences (iOS/Android). - Design and develop RESTful APIs using Spring Boot microservices for seamless communication between frontend and backend. - Gain hands-on experience with leading cloud platforms (AWS, GCP, Azure) for deployment and scaling of applications. - Work with a variety of database technologies, including SQL (Oracle, MySQL, PostgreSQL) and NoSQL (MongoDB, Cassandra). - Utilize version control systems (e.g., Git/Bitbucket) for collaborative development and manage CI/CD workflows. - Actively participate in R&D processes, including evaluating new technologies and frameworks relevant to our product. - Experiment with emerging tools and propose innovative solutions to enhance our product offerings. - Contribute to the technical vision and roadmap by identifying and recommending new technologies. What you'll bring : - Experience : 4+ years of experience as a Full Stack Developer. - Backend : Strong proficiency in Java with experience in Spring Boot, Spring Cloud, and microservices architecture. - Frontend (Web) : Solid experience in frontend development using Angular (and/or React). - API Development : Experience with RESTful API design and development using Spring Boot microservices. - Cloud Platforms : Hands-on experience with at least one major cloud platform (AWS, GCP, Azure). - Databases : Solid understanding of both SQL (Oracle, MySQL, PostgreSQL) and NoSQL (MongoDB, Cassandra) database technologies. - Version Control : Experience with version control systems (e.g., Git/Bitbucket) and CI/CD pipelines. - R&D Mindset : Strong interest and experience in R&D processes, including technology evaluation and innovation.

CashLink Global Systems - Full Stack Java Developer (4-6 yrs)

Job Title : Ionic & Angular Developer (Mid-Level). Location : Chennai. Experience : 3+ Years. Employment Type : Full-Time. Job Summary : We are looking for a skilled Ionic & Angular Developer with 3+ years of experience to develop, enhance, and maintain cross-platform mobile applications. The ideal candidate should have a strong understanding of Ionic Framework, Angular, TypeScript, and Capacitor/Cordova, along with experience integrating APIs and third-party services. Key Responsibilities : - Develop and maintain cross-platform mobile applications using Ionic (Capacitor/Cordova) and Angular. - Implement responsive UI/UX using HTML, CSS (SCSS), and Angular Material. - Work with RESTful APIs and third-party services for backend communication. - Optimize application performance, ensuring smooth and fast execution. - Debug and resolve UI, performance, and functional issues. - Work closely with designers, backend developers, and QA teams to deliver high-quality applications. - Stay up to date with the latest Ionic, Angular, and mobile development trends. Required Skills & Experience : - Ionic Framework (v5+ / Capacitor/Cordova) : Strong experience in developing hybrid mobile applications. - Angular (v10+) : Solid understanding of components, services, directives, and state management. - TypeScript & JavaScript : Strong programming skills and best practices. - HTML5, CSS3, SCSS : Experience in creating responsive and dynamic UIs. - RESTful APIs & JSON : Experience integrating backend services. - Git & Version Control : Familiarity with Git workflows and repositories. - Testing & Debugging : Ability to use tools like Chrome DevTools and debugging Ionic/Angular apps. - Mobile Deployment : Knowledge of App Store (iOS) and Google Play (Android) deployment processes.

CashLink Global Systems - Ionic & Angular Developer (3-7 yrs)

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