Backend Java Engineer - REST APIs, TDD & AI/ML Tools

Relha LLC; New York (NY); Hybrid; USD 132,000 - 244,000; Full time

Job summary

PayPal is seeking a skilled Backend Engineer to architect and develop scalable REST APIs in Java, collaborating with distributed teams to deliver robust solutions.

You will apply TDD, write comprehensive tests, and participate in an agile environment while owning the full software lifecycle from design to deployment. A strong emphasis on reliability, observability, and AI/ML-enhanced tooling is expected.

Qualifications

• Master’s degree or foreign equivalent in Computer Science, Engineering, or related field; 1 year experience or 3 years with Bachelor’s.
• Experience designing large-scale software using OOD and RESTful APIs.
• Proficiency in Java, Python, and SQL; backend development with data structures and algorithms.

Responsibilities

• Architect, develop, and maintain scalable REST APIs in Java.
• Work with distributed teams to integrate backend solutions and ensure high-quality code.
• Apply test-driven development and write unit/integration tests.
• Own full SDLC from design to deployment and monitoring.

Skills

OO Design

Java

Python

SQL

RESTful APIs

Spring Framework

Spring WebFlux

AI/ML

Monitoring tools

TDD

Agile

Self-testing

Kibana

Datadog

Education

Master's degree in Computer Science or Engineering

Bachelor's degree in Computer Science or Engineering

Tools

Kibana

Datadog

Jenkins

Job description

PayPal is seeking a skilled Backend Engineer to architect and develop scalable REST APIs in Java, collaborating with distributed teams to deliver robust solutions.

You will apply TDD, write comprehensive tests, and participate in an agile environment while owning the full software lifecycle from design to deployment. A strong emphasis on reliability, observability, and AI/ML-enhanced tooling is expected.