Java Backend Developer Expert

- Design, develop, and maintain high-performance RESTful APIs using Java Spring Boot.

- Build robust microservices that handle large-scale financial transactions.

- Work with Kafka and RabbitMQ to implement event-driven architectures.

- Collaborate with architects and DevOps to design and implement cloud-native and secure systems on AWS.

- Implement efficient data models and optimize database performance (Oracle, PostgreSQL).

- Develop and maintain unit tests and contribute to CI/CD pipelines.

- Ensure high system reliability through monitoring, logging, and performance tuning (ELK, Prometheus).

- Mentor junior engineers and contribute to code reviews and design discussions.

- Work closely with business teams (Product, Operations, Telesales, Customer Service) to deliver solutions aligned with user needs.

Core Backend Development

Strong expertise in designing and building RESTful APIs using Java Spring Boot.

Proven experience with Java 8+ (Streams, Lambdas, Optional, Functional Programming).

Deep understanding of software design patterns and microservices architecture.

Messaging & Event-driven Systems

Hands-on experience with Kafka and/or RabbitMQ.

Database & Data Management

Proficient in Oracle and PostgreSQL databases.

Strong understanding of SQL optimization and transaction management.

Caching & Performance

Experience with Redis and caching strategies.

Proven experience building high-performance backend systems processing billions of transactions/month.

Monitoring & Logging

Experience with ELK stack (Elasticsearch, Logstash, Kibana).

Familiarity with Prometheus and Grafana.

Cloud-native Development

Experience with cloud platforms (AWS preferred).

Familiarity with 12-Factor App principles.

Development Practices

Solid understanding of secure development practices.

Proficient in Agile methodologies, Unit Testing, CI/CD pipelines.

Soft Skills

Strong communication and collaboration abilities.

Team-oriented mindset; ability to mentor and support fellow engineers.

Nice to Have

Experience working in the banking / financial services domain.

Hands-on experience with Load Testing tools: JMeter, JProfiler, Locust, k6.

Familiarity with regulatory compliance and security standards in financial systems.