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Location: Kuala Lumpur, Malaysia
Employment Type: Full-Time / Contract
Experience: 5–8+ years
Nationality: Malaysian Citizens Only
Job Overview
We are looking for a Senior Backend Developer – Java with strong hands‑on experience in designing and developing scalable, secure, and high-performance backend applications.
This is a hands‑on engineering role for a developer who can take ownership of backend architecture, complex business logic, API development, system integration, performance optimisation, and production support.
Key Responsibilities
- Design, develop, and maintain scalable Java backend applications.
- Develop secure and high-performance RESTful APIs and backend services.
- Translate business and functional requirements into robust technical solutions.
- Design and implement reusable backend components and services.
- Develop microservices and distributed backend applications.
- Integrate backend services with internal and third‑party systems.
- Design and optimise database queries, transactions, and data access layers.
- Troubleshoot complex production issues and perform root‑cause analysis.
- Optimise application performance, scalability, and reliability.
- Implement appropriate security controls for backend services and APIs.
- Write unit, integration, and automated tests.
- Participate in code reviews and maintain high coding standards.
- Work closely with Frontend Developers, QA Engineers, Business Analysts, Architects, and DevOps teams.
- Participate in Agile ceremonies, technical discussions, sprint planning, and estimation.
- Support application deployment, release activities, and production issues.
- Mentor junior developers and contribute to technical best practices.
Required Technical Skills
- Bachelor's Degree in Computer Science, Software Engineering, Information Technology, or related field.
- 5–8+ years of professional Java development experience.
- Strong hands‑on experience with:
- Spring Boot
- Spring Framework
- RESTful APIs
- Microservices
- Hibernate / JPA
- Strong understanding of OOP, SOLID principles, design patterns, and clean code.
- Experience with relational databases such as Oracle, PostgreSQL, MySQL, or MS SQL Server.
- Strong SQL and database optimisation skills.
- Experience with Git and modern software development practices.
- Experience with unit testing using JUnit, Mockito, or equivalent.
- Good understanding of API security, authentication, and authorisation.
Tough / Niche Technical Skills
Candidates with experience in the following will be strongly preferred:
- Microservices architecture and distributed systems.
- Kafka, RabbitMQ, or other event‑driven messaging platforms.
- API Gateway and service‑to‑service communication.
- Redis or other caching technologies.
- Docker and Kubernetes.
- CI/CD pipelines and DevOps practices.
- Cloud platforms such as AWS, Azure, or GCP.
- OAuth 2.0 / OpenID Connect.
- Performance tuning and load optimisation.
- High‑availability and fault‑tolerant application design.
- Observability tools such as ELK, Grafana, Prometheus, or OpenTelemetry.
- Experience working with large‑scale enterprise applications.
What We’re Looking For
We are looking for a backend engineer who can go beyond writing Java code — someone who can design services, solve complex technical problems, understand system architecture, optimise performance, and take ownership of backend delivery from development through production.
Key Skills
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