Senior Software Engineer (Java)

Hcl Comnet; Singapore; On-site; SGD 120,000 - 160,000; Full time

Job summary

Hcl Comnet Singapore is seeking a seasoned Java Microservices Architect to lead development of large distributed systems. You will design, implement, and optimize backend services using Spring Boot, REST and SOAP, with a strong emphasis on scalability and security.

Candidates should have 5+ years in backend integration, hands-on Java/J2EE, Azure AKS, Kafka, and API management. You will mentor teams, define standards, and drive deployment pipelines in Kubernetes.

Qualifications

• Bachelor’s degree in Computer Science or related field.
• 5+ years of technical experience in backend development and system integration.
• Strong hands-on Java/J2EE with Spring Boot experience.
• Deep knowledge of microservices, REST and SOAP services.
• Experience with Java 8+ and testing with JUnit/Cucumber.
• Familiarity with design patterns and clean code practices.
• Experience with Spring Cloud and cloud-native patterns.
• Experience in Azure AKS, API Gateway and Open Service Mesh.
• Knowledge of OAuth token-based authentication and security coding standards.
• Experience with MSSQL data modelling and performance tuning.

Responsibilities

• Craft and implement large distributed systems with microservices.
• Translate requirements into scalable design and architecture.
• Collaborate with SMEs to ensure technical solutions meet needs.
• Define best practices and standards for microservice implementation.
• Lead efforts to build accelerators and tooling to improve deliverables.
• Evaluate new technologies and pattern choices for cost, portability, and usability.
• Oversee changes to technologies and platforms to meet customer needs.
• Champion efficient use of technology and platforms.

Skills

Java/J2EE

Spring Boot

Microservices

REST & SOAP

Junit & Cucumber

Design patterns

Swagger specs

OAuth & security

PCI security standards

MSSQL data modelling

Azure AKS

Kafka & MQ/JMS

API Gateway/APIM

CI/CD pipelines

Education

Bachelor’s degree in Computer Science or related field

Tools

Azure Kubernetes Service (AKS)

Azure Open Service Mesh

Azure API Gateway (APIM)

Kafka

MQ/JMS

Swagger tooling

CI/CD tooling

Job description

Responsibilities

• Broad experience in programming and implementing large distributed systems with microservices.
• Deep understanding of Application, Infrastructure and security architecture and non-functional aspects like Performance, Scalability, Reliability, Availability etc.
• Translate functional requirements to design.
• Work with technical SMEs to understand their requirements and ensure these are met.
• Define best practices and standards for the microservice implementation.
• Identify and define implementation patterns.
• Lead activities to build accelerators and tools to increase the quality of deliverables.
• Evaluates industry technologies to shape design of services in consideration of cost, portability, compatibility, or usability factors.
• Identifies and makes appropriate changes to technologies, integrated platforms, and systems to meet customer and operational requirements.
• Continuously seeks to more efficiently manage and utilize technology, platforms, and systems.
• Highlights design risks, provide alternative options and recommend quality solution to specified problem.

Essential Requirements (Skills Requirements)

• Bachelor’s degree in Computer Science, Information Technology & any related field.
• 5+ years of technical experience within development, integration of backend systems and development.
• Strong Hands–on experience in developing applications using Java/J2EE, with Spring boot framework knowledge and experience.
• Deep knowledge of SOA, Architecture and Design on Microservices, REST Services and Soap Services Development.
• Experience in core java fundamentals, Java 8+, Spring, Springboot, testing framework Junit, Cucumber.
• Strong hands-on with design patterns, clean code.
• Strong hands-on in Java Microservices (Springboot) Restful APIs and Soap Services.
• Experience in designing and coding scalable Microservices.
• Experience with middleware/messaging technologies such as MQ, JMS, Kafka and exposure to event-driven design patterns.
• Experience in Spring Cloud.
• Experience in Azure Kubernetes Service(AKS).
• Experience in configuring and implementing Azure Open Service Mesh for Pod to Pod communication.
• Experience in API Management using Azure API Gateway(APIM).
• Experience in writing deployment pipelines to deploy Java microservices in Kubernetes.
• Strong in creating/ defining Swagger specs for REST APIs, understand REST principles, Guidelines.
• Demonstrated knowledge of OAuth token-based authentication protocol.
• Demonstrated knowledge of PCI and Security Coding Standards.
• Experience with MSSQL, data modelling, query development and performance optimization.

GOOD TO HAVE

• Experience in migrating TIBCO services to spring boot microservices.
• Experience in gaming and Hospitality industry would be an advantage.

Technical / Professional Skills

• Spring Boot, Java/J2EE,SOA,REST and Soap Services, Microservices.

Non-Technical / Soft Skills

• Problem solving skills and ability to work under pressure.
• Good command of English, both written and spoken.