Senior Java Lead

AVATAR MODERN TECHNO SERVICES PTE. LTD.; Singapore; On-site; SGD 140,000 - 200,000; Full time

Job summary

AVATAR MODERN TECHNO SERVICES PTE. LTD. seeks a senior Java Architect in Singapore to design, develop and deploy large distributed microservices-based systems. You will shape architecture, security and performance while guiding REST/SOAP services, Kafka messaging, and Kubernetes deployments.

The role requires deep expertise in Spring Boot, Spring Cloud, Swagger/OpenAPI, OAuth, and PCI security standards, with a track record of leading complex backend integrations and design pattern applications.

Qualifications

• Bachelor’s degree required.
• 7+ years of technical experience in architecture development and backend integration.

Responsibilities

• Design, program and implement large distributed systems with microservices.
• Architect application, infrastructure and security aspects including performance, scalability, reliability, and availability.
• Translate requirements to design and oversee implementation patterns.
• Lead accelerators and tools to improve deliverables quality.
• Evaluate industry technologies to balance cost, portability and usability.

Skills

7+ years experience

Java/J2EE

Spring Boot

Microservices architecture

REST & SOAP APIs

OAuth security

Kafka/JMS

Spring Cloud

API Gateway

Swagger/OpenAPI

Security coding (PCI)

Design patterns

Kubernetes

JUnit

Cucumber

Education

Bachelor’s degree

Tools

JUnit

Cucumber

Job description

Responsibilities

• Broad experience in designing, 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.

Requirements

• Bachelor’s degree and 7+ yearsof technical experience within architecture 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 Micro services, 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 API Management using any API Gateway.
• Experience in writing deployment pipelines to deploy Java microservices in Kubernetes.
• Should be very 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.

GOOD to HAVE

• Experience with MSSQL, data modelling, query development and performance optimization.
• Experience in business rule management systems or rules engines such as JBoss, JRules, JPBM, iLog, Drools, etc.
• Working experience in modelling business logic and automating business processes using TIBCO Business Works and EMS messaging.
• Experience in migrating TIBCO services to spring boot microservices.
• Experience in Banking/Financial services industry would be an advantage.

Technical / Professional Skills

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