Senior Java Lead

AVATAR MODERN TECHNO SERVICES PTE. LTD.

Singapore

On-site

SGD 140,000 - 200,000

Full time

5 days ago
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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
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