Technical Lead (Java, Microservices)

Hcl Comnet; Singapore; On-site; SGD 120,000 - 180,000; Full time

Job summary

Hcl Comnet is seeking an experienced Java Microservices Developer to design and implement large distributed systems. The role requires deep expertise in SOA, microservices, REST and SOAP services, and cloud-native patterns.

You will lead development, ensure security and performance, define best practices, work with SMEs, and help migrate to scalable microservice architectures using Spring Boot, AKS, and Azure Open Service Mesh.

Qualifications

• 7+ years of technical experience in backend development and system integration.
• Strong hands-on Java/J2EE with Spring Boot knowledge.
• Deep knowledge of SOA, microservices architecture and REST/SOAP services.
• Experience with Java fundamentals, Java 8+, Spring, testing (JUnit, Cucumber).
• Hands-on with design patterns and clean code.
• Experience with middleware/messaging (MQ, JMS, Kafka).
• Experience in Spring Cloud and Azure AKS.
• Experience in API management concepts and Swagger specs.

Responsibilities

• Develop large distributed systems with microservices.
• Understand Application, Infrastructure and security architectures and non-functional aspects.
• Translate requirements to design and define best practices.
• Collaborate with SMEs to meet requirements and build accelerators.
• Evaluate technologies to optimize cost, portability, and usability.
• Highlight design risks and propose quality solutions.

Skills

Java/J2EE

Spring Boot

Microservices Architecture

REST & SOAP APIs

OAuth 2.0

Kafka/Messaging

Azure AKS

Swagger/OpenAPI

Design Patterns

Security Coding Standards

Education

Bachelor's degree in Computer Science, Information Technology & any related field

Tools

JUnit

Cucumber

JMS

MQ

Azure API Gateway

Open Service Mesh

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.
• 7+ 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.