Back End Developer

User Experience Researchers Pte Ltd (Singapore); Cyberjaya; On-site; MYR 80,000 - 120,000; Full time

Job summary

A tech company in Cyberjaya is seeking a highly skilled Backend Developer to design, develop, and maintain scalable enterprise applications. The role demands deep expertise in Java and Spring Boot, strong database skills especially with Oracle and PostgreSQL, and experience with cloud-native deployments. The ideal candidate will collaborate with cross-functional teams and utilize tools such as Kubernetes, Splunk, and Grafana for delivering high-quality solutions. This position requires innovative problem-solving skills and the ability to optimize existing code.

Qualifications

• Deep expertise in Java and Spring Boot required.
• Experience with cloud-native deployments and Kubernetes.
• Strong database skills including Oracle and PostgreSQL.

Responsibilities

• Design, develop, and maintain backend services using Java and Spring Boot.
• Implement complex algorithms and optimize system performance.
• Deploy and support applications in Kubernetes environments.

Skills

Java (1.8-17)

Spring Boot

Kubernetes

RESTful APIs

SOAP APIs

SQL

Git

Angular

HTML/CSS

Splunk

Grafana

Job description

We are seeking a highly skilled Backend Developer to design, develop, and maintain scalable enterprise applications. The ideal candidate has deep expertise in Java and Spring Boot, strong database skills, hands‑on experience with cloud‑native deployments, and the ability to collaborate closely with cross‑functional teams to deliver robust, secure, and observable solutions.

Key Responsibilities

• Design, develop, and maintain backend services using Java (1.8–17) and Spring Boot.
• Implement complex algorithms, optimize source code, and enhance system performance.
• Write, tune, and optimize complex SQL queries using Oracle and PostgreSQL databases.
• Deploy, manage, and support applications in Kubernetes‑based environments (Kubernetes, OpenShift, AKS, or other cloud platforms).
• Integrate frontend and backend systems using RESTful and SOAP web services.
• Implement and manage API authentication and security mechanisms such as JWT.
• Ensure application observability through monitoring and logging tools including Splunk and Grafana.
• Collaborate with business analysts, frontend developers, QA, and DevOps teams to understand business requirements and deliver high‑quality solutions.
• Participate in code reviews, architecture discussions, and continuous improvement initiatives.

Technical Skills & Qualifications

Backend & Core Technologies

• Java (1.8–17) - Strong expertise in advanced programming concepts, algorithms, and source code management.
• Spring Boot - Proven experience in building and configuring enterprise‑grade backend applications.

Databases

• Strong ability to design schemas and write complex, high-performance queries.
• Kubernetes – 3+ years
• Experience deploying, managing, and troubleshooting applications using CLI and orchestration tools.
• Exposure to OpenShift, AKS, or cloud environments is highly desirable.

APIs & Security

• Hands‑on experience with RESTful and SOAP APIs.
• Strong understanding of authentication and security protocols, especially JWT.

Version Control & Observability

• Proficient with Git and similar version control tools.
• Experience with Splunk, Grafana, or other monitoring/observability platforms.

Front-End Technologies

• Angular – 6+ years
• HTML/CSS – 6+ years
• Capable of developing responsive user interfaces and integrating them with backend services.