Full Stack Engineer

Job Description for Jr. Full stack Developer Preferred Experience: 1 - 2 years Work Location: Kolkata About RS Software RS Software builds global, national and enterprise payment platforms, and has presence in four continents. The product suite combines with knowledge systems built over 30 years, delivering mission-critical payment solutions that combine innovation and entrepreneurship to create the new gold standard for digital payments. With approximately 40% of the global digital payment volumes in 2021 processed on platforms built by RS Software, the vision is to deliver Payments at the Speed of Thought. RS Software is focused on the global payments modernization market, providing large-scale, high-performance payment systems, serving central Infrastructures, financial institutions, payment network providers, payment processors and software companies providing products to the payment industry. The company's product suite offers ISO 20022 ready, open payments architecture using a cloud-based microservices framework - optimizing costs, seamless integrations with commoditized products, and accelerates the pace of adoption. The company’s solutions today are installed in 12 of the top 20 banks in India, and the four major platforms built by RS Software cumulatively process annually 350+ billion transactions world-wide, giving the company a rare track record in the payments domain. RS Software’s product suite is getting recognized in some important markets, which is creating strategic partnerships, the foundation for the company’s long-term growth. RS Software has bult India’s digital payment infrastructure, the three major payment platforms, which are transforming the lives of a billion+ people. - Instant digital payment platform (UPI) - Bill payment platform - Bharat Bill Payment System (BBPS) - Enterprise Fraud and Risk Management (EFRM) Why RS Software? RS provides a unique experience of engaging in some world class product development and prestigious large scale payment platforms that caters to billions of people We provide opportunity to learn and develop high throughput transaction processing systems RS Software is one of the few technology and payment solutions providers where talented individuals have the opportunity to work on cutting-edge, complex, and mission-critical IT projects. We offer ample career opportunities to hardworking and skilled employees. Our Talent Management Program is specifically designed to identify the interests of each employee and match them with suitable career paths within their desired domains, allowing them to make the best possible use of their skillsets in reaching their goals. We invest in the knowledge and skill development of our employees with RS School of Payments – the industry’s most comprehensive training platform. There are three main areas of focus that the Academy and School address: current technology skills, professional development and payments domain knowledge. Our customized training program, well-defined career mapping process and comprehensive appraisal system is designed to help every employee achieve their goals. To address the challenges of relocation, we offer employees coming from other regions reimbursement for expenses associated with their moves as well as complimentary interim facilities, such as guesthouse accommodations, to ease the transition. We also assist employees with finding suitable housing. About the Role We are looking for a talented Full Stack Developer with strong hands-on experience in Java, Spring Boot, and front-end technologies. The ideal candidate should be able to design, develop, test, and maintain scalable applications while collaborating with cross-functional teams. Key Responsibilities - Develop and maintain high-quality backend services using Java and Spring Boot - Build responsive and interactive user interfaces using HTML, CSS, JavaScript, and jQuery - Design, develop, and consume RESTful APIs - Write well-structured, scalable, maintainable code following best practices - Work with databases (SQL/NoSQL), including schema design and query optimization - Participate in code reviews, troubleshooting, and performance tuning - Collaborate with QA, DevOps, and Product teams throughout SDLC - Work with version control systems (Git) and follow CI/CD processes - Ensure cross-browser compatibility and adhere to UI/UX guidelines Required Skills & Technologies Backend - Strong proficiency in Java (8+) - Spring Framework, Spring Boot - Spring Data JPA / Hibernate - REST API development - Microservices (preferred but not mandatory) Frontend - HTML5, CSS3 - JavaScript - jQuery - Familiarity with Bootstrap or similar CSS frameworks Database - MySQL / PostgreSQL / Oracle - Basic understanding of NoSQL (Cassandra preferred, but not mandatory) DevOps & Tools - Git / GitHub / GitLab / Bitbucket - Experience with Maven/Gradle - Knowledge of CI/CD pipelines (preferred but not mandatory) Other Necessary Skills - Understanding of OOP concepts, Design Patterns, and Clean Code principles - Experience with unit testing (JUnit, Mockito) - Familiarity with Cloud platforms (AWS/Azure/GCP – good to have) - Basic understanding of Docker & containerization (added advantage) - Good knowledge of Agile/Scrum methodology Soft Skills - Strong problem-solving and analytical abilities - Excellent communication and interpersonal skills - Ability to work independently and in a team - Quick learner and adaptable to new technologies Educational Qualification - Bachelor’s degree in Computer Science, Engineering, or related field (or equivalent experience)