Senior Backend Engineer (Java/Node) - Hybrid in Utrecht

CONTAX; Utrecht; Hybrid; EUR 70,000 - 110,000; Full time

Benefits offered by this job

Bonus program

Paid vacation days

Hybrid work model with remote options

Flexible working hours

Job summary

CONTAX is seeking a backend engineer to design, implement, test, and support features using Java (Spring) or Node.js within a cloud-based, multiservice setup. You will help maintain secure, scalable services that handle thousands of daily requests and contribute to improving existing systems.

In Utrecht, Netherlands, the role offers a hybrid work model with remote options and flexible hours. English communication skills and a willingness to learn in an international team are essential.

Qualifications

• 4+ years of experience building and deploying backend systems.
• Work eligibility in the Netherlands.
• Strong proficiency with Java (Spring Boot) or JavaScript (Node.js).
• Experience with relational databases.
• Experience designing, implementing, and consuming REST APIs.
• Experience with cloud-based applications (AWS, GCP, Azure, or SAP BTP).
• Experience with enterprise software is preferred.
• Knowledge of software architectural patterns and the ability to mentor others.
• Great written and verbal communication in English.
• Desire to work in an international and collaborative environment.
• Demonstrated continual desire to learn and stay up to date with technology.

Responsibilities

• Build and support backend systems by designing, writing and testing new features and functionality through Java (Spring Framework), Node.js, and cloud infrastructure components.
• Maintain resilient, secure and performant solutions able to serve tens of thousands of daily requests through a multiservice architecture.
• Improve existing systems by monitoring, identifying and correcting software defects.
• Suggest and contribute to integrating new techniques, technologies, and improvements into the team.
• Collaborate with other team members and mentor junior engineers.

Skills

Java

Spring Boot

Node.js

REST APIs

Relational databases

Cloud platforms

Docker Kubernetes

English proficiency

Mentoring

Tools

PostgreSQL

SAP HANA

RabbitMQ

Redis

Docker

Kubernetes

Bitbucket

JIRA

SAP BTP

Job description

CONTAX is seeking a backend engineer to design, implement, test, and support features using Java (Spring) or Node.js within a cloud-based, multiservice setup. You will help maintain secure, scalable services that handle thousands of daily requests and contribute to improving existing systems.

In Utrecht, Netherlands, the role offers a hybrid work model with remote options and flexible hours. English communication skills and a willingness to learn in an international team are essential.