Senior Back End Engineer

Zenika; Singapore; On-site; SGD 120,000 - 180,000; Full time

Benefits offered by this job

Hybrid work arrangement

20 days annual leave

LEAP days (Learning, Education, Advanc

Learning & Development budget

Flexible benefits

International medical insurance

Job summary

Zenika is seeking a skilled back-end consultant in Singapore to lead development on client projects, delivering scalable Java applications and RESTful services. You will design APIs, work with Spring/JEE, and manage databases including MySQL, Oracle, PostgreSQL, and NoSQL when needed.

You’ll collaborate with client teams, apply best practices for security, performance, and architecture, and use Docker/Kubernetes to enhance deployment and flexibility. Hybrid work is offered.

Qualifications

• Solid Java backend development experience with modern frameworks.
• Experience building RESTful APIs and web apps using Spring/JEE.
• Proficient in relational databases (MySQL/Oracle/PostgreSQL) and NoSQL as needed.

Responsibilities

• Lead back-end development on client projects and ensure scalable, reliable applications.
• Design and implement REST APIs, batch processes, and web applications.
• Collaborate with client teams and other tech stacks in delivery.
• Write efficient SQL, optimize queries, and work with MySQL/Oracle/PostgreSQL.
• Leverage Docker and Kubernetes to improve deployment and maintainability.
• Apply secure coding practices and design patterns for performance and scalability.

Skills

Java

Hibernate

Spring

RESTful APIs

SQL

NoSQL

Docker

Kubernetes

JEE

Tools

MySQL

Oracle

PostgreSQL

MongoDB

Neo4j

Job description

Is there a Zenika in you

Let's talk skills and passion first.

You're committed to back-end excellence, with expertise in Java and a passion for building secure, high-performance applications. With skills in Hibernate, Spring, and a solid grasp of databases, you're always learning and staying updated.

Your Role As a Zenika Consultant

As a consultant, you'll lead back-end development on client projects, using your skills to create scalable, reliable applications. You'll work alongside client teams to:

• Leverage your Java expertise (Java 8+ and beyond) to design and build RESTful APIs, web apps, and batch processes using JEE and Spring
• Write SQL queries and work with relational databases like MySQL, Oracle, or PostgreSQL, while being open to using NoSQL databases (e.g., MongoDB, Neo4j) when needed
• Interact with middleware components, including databases and messaging platforms, with strong knowledge of back-end infrastructure
• Utilize containerization technologies like Docker and Kubernetes to enhance application flexibility and deployment
• Apply best practices in code architecture, including patterns for design, performance, security, and scalability
• Troubleshoot and debug issues, delivering timely solutions and maintaining high standards in code quality and testing

About Zenika

Founded by developer Carl Azoury, Zenika is a consultancy built around community, transparency, and craftsmanship. We are passionate technophiles advising clients with deep expertise in open-source tech and modern solutions.

Why Join Zenika

• Work with a global client base across 11 locations, benefiting from over 28,000 Zenika-led training sessions
• Partner with tech giants like Google Cloud and Scrum.org, and engage in research, open-source contributions, and conferences outside client projects
• Participate in Zenika tech conferences (TechnoZaures) to learn, share, and grow together
• Hybrid work arrangement
• 20 days of annual leave + up to 5 LEAP(Learning, Education, Advancement, Progress) days
• Dedicated Learning & Development (L&D) budget to support your growth
• Flexible benefits package to cater to your well-being and lifestyle needs
• Comprehensive international medical insurance package