Senior Java API Developer

Parkar Digital

full-time

Posted on: 9/22/2025

Origin: • 🇸🇬 Singapore

✨ AI Apply

Senior

Distributed SystemsJ2EEJavaJUnitKafkaKubernetesMicroservicesSOAPSpringSpring BootSpringBoot

About the role

Design and deliver scalable distributed systems and Java microservices using Spring Boot
Implement and program large distributed systems with microservices architecture
Ensure application, infrastructure and security architecture and non-functional aspects (performance, scalability, reliability, availability)
Work with technical SMEs to understand requirements and ensure they are met
Define best practices and standards for microservice implementation
Lead activities to build accelerators and tools to increase delivery quality
Evaluate industry technologies to shape service design considering cost, portability, compatibility, usability
Identify and recommend changes to technologies, integrated platforms, and systems to meet customer and operational requirements
Continuously seek to efficiently manage and utilize technology, platforms, and systems
Highlight design risks, provide alternative options, and recommend quality solutions to specified problems

Bachelor’s degree in computer science, engineering or similar domain
10+ years of technical experience within architecture development, integration of backend systems and development
Strong hands–on experience in developing applications using Java/J2EE
Experience with Spring, Spring Boot and Java 8+
Deep knowledge of SOA, Architecture and Design on Microservices, REST Services and Soap Services Development
Experience with testing frameworks: JUnit, Cucumber
Strong hands-on with design patterns and clean code principles
Strong hands-on in Java Microservices (Spring Boot), Restful APIs and Soap Services
Experience in designing and coding scalable Microservices
Experience with middleware/messaging technologies such as MQ, JMS, Kafka and event-driven design patterns
Experience or familiarity with API Management (good to have)
Experience writing deployment pipelines to deploy Java microservices in Kubernetes (good to have)
Experience creating/defining Swagger specs for REST APIs and understanding REST principles and guidelines
Knowledge of OAuth token-based authentication protocol
Knowledge of PCI and Security Coding Standards
Experience with MSSQL, data modelling, query development and performance optimization
Problem solving skills and ability to work under pressure
Good command of English, both written and spoken