Software Developer

Cadenza Solutions; Singapore; On-site; SGD 90,000 - 150,000; Full time

Job summary

Cadenza Solutions is seeking an experienced Java Developer in Singapore to design, build and maintain enterprise-grade applications. You will work with Spring Boot, Spring WebFlux, and microservices to deliver reactive, scalable services.

The role requires collaborating across teams, implementing robust testing, and ensuring high quality code. The ideal candidate has 6–9 years of Java experience, strong knowledge of RESTful APIs, and familiarity with DevOps practices.

Qualifications

• 6–9 years of professional Java application development experience.
• Strong hands-on Java experience, Java 8+ strongly preferred.
• Extensive experience with Spring Boot and reactive programming (WebFlux).
• Solid microservices design, RESTful APIs, and distributed systems knowledge.

Responsibilities

• Design, develop, test, and maintain enterprise Java applications.
• Build reactive, non-blocking services with Spring WebFlux.
• Develop scalable microservices using modern software practices.
• Write clean, well-documented code and unit tests.
• Collaborate with analysts, architects, QA, DevOps and stakeholders.
• Participate in code reviews and adhere to coding standards.
• Support deployments, releases, and post‑deployment issue resolution.
• Improve performance, scalability, reliability, and security.

Skills

Java

Spring Boot

Microservices

Spring WebFlux

Tools

Spring Cloud

Kafka

Docker

Kubernetes

SQL

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.