Senior Backend Engineer - Scalable Java Microservices

Relha LLC; San Jose (CA); Hybrid; USD 170,000 - 244,000; Full time

Benefits offered by this job

Hybrid work model

Excellence in engineering culture

Comprehensive benefits

Job summary

PayPal is seeking a senior backend engineer to design, develop, and optimize core systems powering daily transactions. You will implement scalable RESTful services using Java, build backend solutions, and troubleshoot issues with rapid iteration.

You’ll collaborate with cross-functional teams, mentor junior engineers, and maintain expertise in Java, Python, Ruby on Rails, Spring MVC, and Hibernate. The role supports a hybrid work model with partial telecommuting within commutable distance from

Qualifications

• Experience designing large-scale distributed software using OO design and Java (2+ years).
• Proven RESTful API design for microservices (2+ years).
• Enterprise systems built with Spring Frameworks (2+ years).
• Experience with AWS, GCP, or Azure (2+ years).
• Strong data structures/algorithms and enterprise patterns (2+ years).
• Database design (SQL/NoSQL) and ORM like Hibernate (2+ years).
• Event-driven systems using Kafka or ActiveMQ (2+ years).
• Optimize system performance and reliability (2+ years).
• Design/develop scalable, high-performance microservices (2+ years).
• Exposure to GraphQL and mobile platforms (iOS/Android) (1 year).

Responsibilities

• Design, develop, and optimize core systems powering millions of transactions daily.
• Build RESTful services for scalable, reliable backend solutions; troubleshoot issues.
• Mentor junior engineers and collaborate with cross-functional teams.
• Maintain proficiency in Java, Python, Ruby on Rails, Spring MVC, Hibernate.

Skills

Java backend development

RESTful API design

Microservices architecture

Spring Frameworks

Cloud platforms AWS/GCP/Azure

Data structures & algorithms

Hibernate ORM

Kafka/ActiveMQ messaging

Performance optimization

GraphQL / mobile platforms

Education

Master’s degree in CS/Engineering or related field

Bachelor’s degree + 5 years relevant experience

Tools

Hibernate

Spring Boot

Spring Security

Spring Data

Spring MVC

Spring Cloud

Spring Batch

WebSocket

AWS

Kafka

ActiveMQ

GraphQL

Job description

PayPal is seeking a senior backend engineer to design, develop, and optimize core systems powering daily transactions. You will implement scalable RESTful services using Java, build backend solutions, and troubleshoot issues with rapid iteration.

You’ll collaborate with cross-functional teams, mentor junior engineers, and maintain expertise in Java, Python, Ruby on Rails, Spring MVC, and Hibernate. The role supports a hybrid work model with partial telecommuting within commutable distance from