Senior Java Developer

G10X: We have an exciting opportunity for Senior Java Backend Developer

Senior Software Engineer – Java / Kafka / Oracle

Experience: 6–8 years

Location: Kochi/Remote

Work Timings: 01:00 PM – 10:00 PM IST

Immediate Joiners Preferred

Primary / Mandatory Skills

• Java:

  Core Java, Java 8+, Multithreading, Collections, JVM

• Kafka:

  Topics, partitions, consumer groups, offsets, error handling

• Database:

  Oracle (SQL, PL/SQL, performance tuning)

• Frameworks:

  Spring, Spring Boot

• APIs:

  REST, JSON (OAuth/JWT preferred)

• Version Control:

  Git

Role Summary

Senior Software Engineer responsible for designing, building, and scaling high-volume, transaction-intensive e-commerce backend systems using Java, Kafka, and Oracle. The role supports order management, fulfilment, payments, and omnichannel integrations for global brands.

Key Responsibilities

• Design and develop scalable backend services and APIs using Java & Spring Boot
• Build and maintain event-driven microservices using Apache Kafka
• Handle real-time processing of orders, payments, shipments, and customer events
• Design and optimize Oracle DB schemas, SQL/PLSQL, and high-performance queries
• Ensure high availability, low latency, and fault tolerance
• Identify and resolve performance bottlenecks across application, Kafka, and DB layers
• Integrate with payment gateways, logistics, ERP/WMS/CRM systems
• Support omnichannel flows (web, mobile, marketplace, in-store)
• Participate in system design, code reviews, and mentoring junior engineers
• Work with CI/CD pipelines, testing, deployments, and production support

Good to Have

• Microservices & distributed systems
• High-volume e-commerce / retail platforms
• Cloud exposure (AWS preferred)
• Docker, Kubernetes (basic)
• NoSQL: Redis, MongoDB
• Monitoring: Splunk, ELK, Prometheus

Domain Knowledge (Preferred)

• Order lifecycle management
• Payments (authorization, settlement)
• Fulfilment, logistics, returns & refunds
• Omnichannel commerce