Software Developer

CADENZA SOLUTIONS PTE. LTD.; Singapore; On-site; SGD 110,000 - 190,000; Full time

Job summary

CADENZA SOLUTIONS PTE. LTD. seeks aSenior Java Developer with 6–9 years of hands-on Java experience to design, build, and maintain enterprise-grade applications in Singapore.

You will develop reactive, non-blocking systems with Spring WebFlux and microservices, create RESTful APIs, and ensure code quality through testing and reviews. Collaboration with cross-functional teams and adherence to Agile practices are essential.

Qualifications

• 6-9 years of professional experience in Java application development.
• Strong hands-on experience with Java, preferably Java 8 or above.
• Strong experience developing applications using Spring Boot.
• Hands-on experience with Spring WebFlux and reactive programming.
• Strong experience designing and developing microservices-based applications.

Responsibilities

• Design, develop, test, and maintain enterprise-grade applications using Java and Spring Boot.
• Build reactive, non-blocking, and high-performance applications using Spring WebFlux.
• Design and develop scalable microservices using modern software engineering practices.
• Develop clean, reusable, maintainable, and well-documented code.
• Create and integrate RESTful APIs and backend services.
• Collaborate with business analysts, architects, QA engineers, DevOps teams, and other technology stakeholders.
• Translate functional and technical requirements into effective software solutions.
• Troubleshoot application issues, analyze root causes, and implement permanent fixes.
• Participate in code reviews and contribute to coding standards and best practices.
• Write unit, integration, and automated tests to ensure application quality.
• Support application deployment, production releases, and post-deployment issue resolution.
• Contribute to performance optimization, scalability, reliability, and security improvements.
• Participate in Agile ceremonies, including sprint planning, daily stand‑ups, backlog refinement, reviews, and retrospectives.
• Prepare and maintain technical documentation relating to application design, APIs, and operational procedures.

Skills

Java

Spring Boot

Microservices

Spring WebFlux

Reactive programming

Git

Agile

Tools

Docker

Kubernetes

CI/CD

Git

Job description

Job Description & Requirements

Role: Java Developer

Mandatory Skill: Java, Spring Boot, Microservices, Spring WebFlux

Key Responsibilities

• Design, develop, test, and maintain enterprise-grade applications using Java and Spring Boot.
• Build reactive, non-blocking, and high-performance applications using Spring WebFlux.
• Design and develop scalable microservices using modern software engineering practices.
• Develop clean, reusable, maintainable, and well-documented code.
• Create and integrate RESTful APIs and backend services.
• Collaborate with business analysts, architects, QA engineers, DevOps teams, and other technology stakeholders.
• Translate functional and technical requirements into effective software solutions.
• Troubleshoot application issues, analyze root causes, and implement permanent fixes.
• Participate in code reviews and contribute to coding standards and best practices.
• Write unit, integration, and automated tests to ensure application quality.
• Support application deployment, production releases, and post-deployment issue resolution.
• Contribute to performance optimization, scalability, reliability, and security improvements.
• Participate in Agile ceremonies, including sprint planning, daily stand‑ups, backlog refinement, reviews, and retrospectives.
• Prepare and maintain technical documentation relating to application design, APIs, and operational procedures.

Required Skills and Experience

• 6-9 years of professional experience in Java application development.
• Strong hands‑on experience with Java, preferably Java 8 or above.
• Strong experience developing applications using Spring Boot.
• Mandatory: Hands‑on experience with Spring WebFlux and reactive programming.
• Strong experience designing and developing microservices-based applications.
• Solid understanding of RESTful API design, service integration, and distributed systems.
• Experience with reactive programming concepts such as Mono, Flux, backpressure, and non‑blocking I/O.
• Good understanding of application performance, scalability, exception handling, and resilience.
• Experience writing unit and integration tests.
• Familiarity with Git and standard software development practices.
• Experience working in Agile development environments.
• Strong analytical, problem‑solving, and communication skills.

Preferred Skills

• Experience with Spring Cloud, API gateways, service discovery, circuit breakers, and distributed configuration.
• Experience with messaging technologies such as Kafka, RabbitMQ, or JMS.
• Knowledge of SQL and relational databases such as Oracle, MySQL, or PostgreSQL.
• Exposure to NoSQL databases such as MongoDB or Cassandra.
• Experience with Docker and Kubernetes.
• Familiarity with CI/CD tools and DevOps practices.
• Knowledge of observability tools, including centralized logging, application metrics, and distributed tracing.
• Experience working in banking, financial services, payments, or other regulated enterprise environments.
• Familiarity with secure coding practices and enterprise application security.