Ionixx Technologies - Senior Backend Engineer - Java/Spring Boot - Banking & Fintech Domain

Senior Backend Engineer/Java API Developer

Experience : 10+ Years (Banking and Fintech Domain)

Employment Type : [Full-time -Remote]

Job Overview :

We are seeking a highly experienced Senior Backend Engineer with over 10 years of experience in backend development, specifically using Java, PostgreSQL, AWS core services, and Apache Kafka. The ideal candidate will have a strong background in designing, developing, and maintaining scalable APIs and distributed systems in a cloud-based environment.

Key Responsibilities :

- Design, develop, and maintain scalable and secure RESTful APIs using Java (Spring Boot or similar frameworks).

- Optimize and manage PostgreSQL databases, including schema design, indexing, and performance tuning.

- Build and maintain data pipelines and real-time processing systems using Apache Kafka.

- Leverage AWS core services (e.g., EC2, S3, Lambda, RDS, CloudWatch, and DynamoDB) to build cloud-native applications.

- Collaborate with cross-functional teams, including product managers, front-end developers, and QA, to deliver high-quality software.

- Participate in code reviews and design discussions and mentor junior team members.

- Troubleshoot production issues and ensure high system availability and performance.

Required Qualifications :

- 10+ years of hands-on experience in backend development.

- Strong proficiency in Java, with experience in frameworks like Spring Boot, Dropwizard, or similar.

- Deep understanding of PostgreSQL: SQL queries, indexing, performance optimization, and database design.

- Hands-on experience with Apache Kafka for building event-driven and real-time applications.

- Proven experience working with AWS core services in a production environment.

- Solid understanding of microservices architecture, security best practices, and REST API standards.

- Experience with version control systems like Git and CI/CD tools.

- Strong problem-solving skills and the ability to work independently or in a team.

Preferred Qualifications :

- Experience with containerization tools like Docker and orchestration tools like Kubernetes.

- Exposure to monitoring and logging tools like Prometheus, Grafana, CloudWatch, or the ELK stack.

- Experience working in Agile/Scrum environments.