Full Time Full Stack Developer (Java - ReactJS) Jobs, Salary up to SGD 8,000 in DNA AI TECHNOLOGIES PTE. LTD. Central Region (Singapore) - Maukerja

Domain: Enterprise Application Development / Cloud-Native Applications

Job Summary

We are seeking an experienced Full Stack Developer with strong hands-on expertise in Java, Spring Boot, Microservices and ReactJS to design, develop and modernize enterprise-grade applications.

The candidate should have strong backend engineering capabilities along with practical frontend, cloud, DevOps and production-support experience.

Key Responsibilities

• Design and develop enterprise applications using Java 8/11/17/21, Spring Boot, Spring Cloud and Hibernate.
• Develop responsive frontend applications using ReactJS.
• Design and implement Microservices, REST/SOAP APIs and event-driven solutions.
• Build integrations using Kafka, RabbitMQ and JMS.
• Modernize legacy applications into scalable, cloud-native architectures.
• Implement secure APIs using OAuth2, JWT, Okta and enterprise security standards.
• Develop and optimize applications across relational and NoSQL databases.
• Implement CI/CD and deployments using Jenkins, Docker and Kubernetes.
• Develop and deploy applications on AWS.
• Perform code reviews, automated testing, performance tuning and production troubleshooting.
• Ensure applications meet requirements for scalability, security, high availability and resilience.
• Work with architects, product teams and business stakeholders in Agile/Scrum environments.

Mandatory Requirements

• 6+ years of software engineering/development experience.
• Strong hands-on Java 8/11/17/21 experience.
• Strong Spring Boot, Spring Cloud, Spring Security, Spring Data JPA and Hibernate.
• Strong hands-on ReactJS experience.
• Strong knowledge of Microservices, Distributed Systems, REST/SOAP APIs and Event-Driven Architecture.
• Experience with Kafka, RabbitMQ and JMS.
• Strong database experience with PostgreSQL, MySQL, MS SQL, MongoDB, Snowflake and/or Redis.
• Strong AWS experience including EC2, ECS/Fargate, RDS, S3 and CloudWatch.
• Experience with Docker, Kubernetes, Jenkins, Git and CI/CD.
• Strong knowledge of OAuth2, JWT and API security.
• Experience with JUnit, Mockito, TDD and SonarQube.
• Strong understanding of SOLID principles, design patterns and clean architecture.
• Experience troubleshooting complex production and performance issues.
• Strong communication, problem-solving and stakeholder-management skills.

Preferred Skills

• Angular experience in addition to ReactJS.
• OpenAPI / Swagger.
• DDD and cloud-native architecture.
• Zero-downtime deployment and high-availability systems.
• Experience leading or mentoring development teams.
• Experience in Healthcare/Telehealth, Trade & Logistics, Retail, SaaS or E-learning.