Java Developer(J2EE, Spring Boot, Microservices, AWS, Azure, Elasticsearch, Couchbase, React)

EVYONIC SOLUTIONS PTE. LTD.; Singapore; On-site; SGD 180,000 - 260,000; Full time

Job summary

EVYONIC Solutions Pte. Ltd. seeks a seasoned software architect to lead the design and development of enterprise-grade Java applications. You will shape backend architecture, implement microservices and RESTful APIs, and guide teams across cloud, container, and DevOps domains.

The role requires deep experience with Spring Boot, distributed systems, databases, and messaging platforms. You will collaborate with frontend teams to integrate React-based interfaces and drive scalable, secure delivery.

Qualifications

• 8+ years of experience in software development with Java/J2EE and backend architecture.
• Strong experience with Spring Boot and enterprise applications.
• Experience in microservices, distributed systems, and service-oriented architecture.
• Design/restful APIs and service integrations.
• OO programming, design principles, and patterns; clean coding
• Hands-on with AWS and Microsoft Azure cloud environments.
• Docker/containerized deployment experience.
• Messaging platforms like Apache Kafka or RabbitMQ.
• Elasticsearch and Couchbase in enterprise apps.
• React frontend-backend integration.
• Relational databases such as PostgreSQL/MySQL and ORM like JPA/Hibernate.
• CI/CD tools: Jenkins, Git, Gradle.
• Experience in scalability, performance optimization, and secure development.
• Lead technical design, mentor developers, and collaborate跨跨 teams.

Responsibilities

• Lead design and development of enterprise-grade applications using Java/J2EE, Spring Boot, and microservices architecture.
• Design scalable, distributed backend systems that meet performance, availability, and reliability requirements.
• Convert complex business requirements into technical solutions, application designs, and implementation plans.
• Establish architectural guidelines, coding standards, and design patterns to ensure maintainable and high-quality software.
• Develop and integrate RESTful APIs and ensure seamless communication between distributed services.
• Design and implement event-driven solutions using Apache Kafka or RabbitMQ.
• Drive cloud-based development and deployment across AWS and Azure environments.
• Oversee containerization, deployment processes, and integration using Docker and DevOps tools.
• Evaluate technical solutions, identify architectural risks, and recommend improvements for performance and security.
• Lead technical discussions, review code, resolve engineering challenges, and mentor teams.
• Collaborate with frontend engineers to integrate React apps with backend services.
• Promote continuous improvement in development practices and automation.

Skills

Java/J2EE

Spring Boot

Microservices

RESTful APIs

AWS

Azure

Docker

Kafka/RabbitMQ

React integration

PostgreSQL/MySQL

Tools

Jenkins

Git

Gradle

Docker

Job description

Responsibilities

• Lead the design and development of enterprise-grade applications using Java/J2EE, Spring Boot, and microservices architecture.
• Design scalable, distributed backend systems that meet business, performance, availability, and reliability requirements.
• Convert complex business requirements into technical solutions, application designs, and implementation plans.
• Establish architectural guidelines, coding standards, and design patterns to ensure maintainable and high-quality software.
• Develop and integrate RESTful APIs and ensure seamless communication between distributed services.
• Design and implement event-driven solutions using messaging technologies such as Apache Kafka and RabbitMQ.
• Drive cloud-based application development and deployment across AWS and Microsoft Azure environments.
• Oversee containerization, deployment processes, and application integration using Docker and related DevOps tools.
• Evaluate technical solutions, identify architectural risks, and recommend improvements to system performance, scalability, and security.
• Lead technical discussions, review code, resolve complex engineering challenges, and mentor development teams.
• Collaborate with frontend engineers to integrate React-based applications with backend services.
• Promote continuous improvement in development practices, automation, and software delivery.

Requirements

• Minimum 8+ years of experience in software development, with substantial hands-on expertise in Java/J2EE and backend application architecture.
• Strong practical experience with Spring Boot and the development of enterprise applications.
• Experience in microservices architecture, distributed systems, and service-oriented architecture.
• Strong experience in designing and developing RESTful APIs and service integrations.
• Experience in object-oriented programming, design principles, design patterns, and clean coding practices.
• Hands-on experience with AWS and Microsoft Azure cloud environments.
• Experience with Docker and containerized application deployment.
• Practical experience with at least one messaging platform: Apache Kafka or RabbitMQ.
• Experience working with Elasticsearch and Couchbase in enterprise applications.
• Experience in React and frontend-backend integration.
• Experience with relational databases such as PostgreSQL or MySQL and ORM frameworks such as JPA/Hibernate.
• Experience with CI/CD tools such as Jenkins, Git, and Gradle.
• Experience in application scalability, performance optimization, system reliability, and secure development practices.
• Demonstrated ability to lead technical design, make architecture decisions, mentor developers, and collaborate with cross-functional teams.