Backend Developer-Java

Opus Technologies Inc.; India; On-site; INR 1,500,000 - 3,200,000; Full time

Job summary

Opus Technologies Inc. in India is seeking a proficient Java developer with strong Spring Boot and microservices experience to build fintech applications.

The role focuses on designing secure RESTful APIs for financial transactions and data services, while ensuring compliance with PCI DSS and GDPR. You will collaborate with product managers and analysts to translate financial workflows into robust technical solutions, optimize performance for high-volume systems, and participate in Agile

Qualifications

• Strong development experience in Java, Spring Boot and microservices.
• Experience with multithreading and RESTful services.
• Familiarity with SQL/NoSQL databases.
• Exposure to CI/CD, Docker, and cloud platforms (AWS preferred).
• Secure RESTful APIs for fintech transactions and data services.

Responsibilities

• Develop fintech applications in Java (Spring Boot).
• Design and implement secure RESTful APIs for financial transactions.
• Collaborate with product managers and analysts to translate financial workflows into technical solutions.
• Ensure compliance with security and regulatory standards (PCI DSS, GDPR).
• Optimize performance for high-volume, low-latency systems.
• Participate in Agile ceremonies, code reviews, and DevOps practices.

Skills

Java

Spring Boot

Microservices

Multithreading

REST API

SQL

NoSQL

PostgreSQL

MongoDB

CI/CD

Docker

AWS

Fintech

Security

PCI DSS

GDPR

Agile

DevOps

Tools

Docker

AWS

PostgreSQL

MongoDB

CI/CD pipelines

Job description

• Strong development expertise in Java, Spring Boot, Microservices, Multithreading, Rest API, RESTful web services, SQL.
• Experience with JDK Migration, Spring Migration,
• Familiarity with SQL/NoSQL databases (e.g., PostgreSQL, MongoDB)
• Exposure to CI/CD pipelines, Docker, and cloud platforms (AWS preferred)
• Develop and maintain fintech applications using Java (Spring Boot)
• Design and implement secure RESTful APIs for financial transactions and data services
• Collaborate with product managers and analysts to translate financial workflows into technical solutions
• Ensure compliance with security and regulatory standards (e.g., PCI DSS, GDPR)
• Optimize performance for high-volume, low-latency systems
• Participate in Agile ceremonies, code reviews, and DevOps practices