About Firstsource:
Firstsource Solutions Limited, an RP-Sanjiv Goenka Group company (NSE: FSL, BSE: 532809, Reuters: FISO.BO, Bloomberg: FSOL:IN), is a specialized global business process services partner, providing transformational solutions and services spanning the customer lifecycle across Healthcare, Banking and Financial Services, Communications, Media and Technology, Retail, and other diverse industries. With an established presence in the US, the UK, India, Mexico, Australia, South Africa, and the Philippines, we make it happen for our clients, solving their biggest challenges with hyper-focused, domain-centered teams and cutting-edge tech, data, and analytics. Our real-world practitioners work collaboratively to deliver future-focused outcomes.

Mandatory Skills:
Strong experience in Java 17 and Spring Boot for building scalable and high-performance backend applications.
Robust experience in Angular (v12+ or above) for front-end application development.
Hands-on experience in integrating and managing Payment Gateways such as Razorpay, Stripe, PayPal, Authorize. Net, PayU,



or similar platforms.
Expertise in REST APIs, microservices architecture, payment transaction workflows, and secure payment processing.
Good understanding of PCI-DSS compliance, payment security standards, and fraud prevention mechanisms.
Experience in troubleshooting payment-related issues and optimizing transaction success rates.
Strong knowledge of HTML5, CSS3, TypeScript, JavaScript, and responsive web development.
Strong understanding of Spring Security, JPA/Hibernate, and database integration.
Experience with relational databases such as MySQL, PostgreSQL, or similar.
Familiarity with Git, CI/CD pipelines, and Agile/Scrum methodologies.
Ability to collaborate effectively with cross-functional teams in an Agile environment.

Required Skills & Experience:
Bachelor's degree in Computer Science or a related field.
7 to12 years of experience in Full Stack Development.
Strong expertise in

📌 Senior Java Full-Stack Developer (Hyderabad)
🏢 Firstsource
📍 Hyderabad