Senior Backend Engineer (Java)

Hyppies; Kuala Lumpur; Presencial; MYR 180.000 - 300.000; Tempo integral

Resumo da vaga

Hyppies in Malaysia is seeking a hands-on Senior Backend Engineer with Java expertise to design and optimize scalable systems. You will tackle performance bottlenecks, implement robust RESTful APIs with Spring Boot, and ensure reliability under increasing traffic and transaction volumes.

You should excel at identifying root causes, optimizing queries, and improving system design, concurrency, and fault tolerance, while upholding engineering best practices and thorough testing.

Qualificações

• Hands-on Java and Spring Boot with strong OOP and SOLID practices.
• Experience building high-performance, scalable backend systems and RESTful APIs.
• Proven ability to diagnose bottlenecks, optimize queries, and improve reliability.
• Experience with system design, concurrency, load handling, and performance tuning.

Responsabilidades

• Design, develop, and optimize scalable backend services and RESTful APIs using Java and Spring Boot.
• Identify and resolve performance bottlenecks involving application logic, database queries, resource utilization, and system architecture.
• Optimize backend systems to handle high transaction volumes, traffic spikes, and increasing workloads while maintaining performance and reliability.
• Design efficient database schemas and optimize SQL queries to improve response times and data integrity.
• Troubleshoot complex production issues, conduct root-cause analysis, and implement long-term solutions to prevent recurring problems.
• Improve system architecture, fault tolerance, and resource utilization to enhance scalability and stability.
• Implement unit testing, code reviews, and engineering best practices to ensure code quality and maintainability.

Conhecimentos

Java

Spring Boot

Performance optimization

System design

Concurrency

Troubleshooting

Ferramentas

SQL databases

Indexing

CI/CD pipelines

Descrição da vaga

We are seeking a hands-on Senior Backend Engineer with strong Java expertise and proven experience in performance optimization, high-traffic systems, bottleneck resolution, and backend scalability.

Ideal Candidate:

A technically strong Java backend engineer who can independently identify performance issues, eliminate bottlenecks, and design systems capable of handling increasing traffic and transaction volumes without compromising reliability.

Key Responsibilities

• Design, develop, and optimize scalable backend services and RESTful APIs using Java and Spring Boot.
• Identify and resolve performance bottlenecks involving application logic, database queries, resource utilization, and system architecture.
• Optimize backend systems to handle high transaction volumes, traffic spikes, and increasing workloads while maintaining performance and reliability.
• Design efficient database schemas and optimize SQL queries to improve response times and data integrity.
• Troubleshoot complex production issues, conduct root-cause analysis, and implement long-term solutions to prevent recurring problems.
• Improve system architecture, fault tolerance, and resource utilization to enhance scalability and stability.
• Implement unit testing, code reviews, and engineering best practices to ensure code quality and maintainability.

Requirements

• Strong hands-on experience in Java and Spring Boot, with a solid understanding of OOP, SOLID principles, and design patterns.
• Proven experience building and optimizing high-performance, scalable backend systems and RESTful APIs.
• Strong understanding of system design, concurrency, performance tuning, load handling, and scalability principles.
• Hands-on experience with SQL, relational databases, query optimization, indexing, and database performance tuning.
• Demonstrated ability to diagnose and resolve high-traffic issues, latency, throughput limitations, and system bottlenecks.
• Strong troubleshooting and root-cause analysis skills, with experience resolving complex production issues.
• Understanding of unit testing, performance testing, monitoring, logging, and production system reliability.
• Ability to take ownership of technical solutions and drive continuous backend performance improvements.

Good to Have

• Experience with microservices and distributed systems.
• Exposure to AWS, Linux, CI/CD, and deployment automation.
• Knowledge of caching, load balancing, asynchronous processing, and fault-tolerant system design.
• Experience with Golang, Node.js, or other backend technologies.
• Previous experience with banking or fintech domains

Please note that this position is open to candidates currently residing in Malaysia who have permenant working rights, thank you for your understanding.