Technical Lead (Java)-12 months contract

ESOL PTE. LTD.; Singapore; On-site; SGD 80,000 - 110,000; Full time

Job summary

A leading technology firm in Singapore is seeking an experienced Java Developer to design and implement large distributed systems with a focus on microservices. The ideal candidate will have over 7 years of technical experience, particularly in Java/J2EE, Spring Boot, and RESTful APIs. Responsibilities include leading best practice definitions for microservice implementations and working closely with SMEs. This position offers an opportunity to influence technology utilization and manage extensive systems effectively.

Qualifications

• 7+ years of technical experience in architecture development and backend systems integration.
• Strong hands-on experience with Java/J2EE and Spring Boot.
• Deep knowledge of Microservices, REST, and Soap Services.

Responsibilities

• Design, program, and implement distributed systems.
• Work with SMEs to meet technical requirements.
• Define best practices for microservice implementation.

Skills

Java/J2EE

Spring Boot

Microservices

REST Services

Soap Services

Kubernetes

API Management

OAuth

Education

Bachelor’s degree

Tools

Spring Cloud

MQ

Kafka

JMS

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+ years of 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 gaming and Hospitality industry would be an advantage.

Technical / Professional Skills

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