Java Backend Developer

Job Description

• 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, Sales, Customer Service..) to deliver solutions aligned with user needs.

Your Skills and Experience

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.