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Us3 Consulting

Java Software Engineer

Us3 Consulting
Netherlands · Contract · Mid-Senior

Role Summary

We are seeking a highly experienced Senior Java Backend Developer with deep expertise in Java, Spring Boot, Microservices architecture, and Cloud technologies. The ideal candidate will design, develop, and deliver high-performance backend systems for enterprise-scale applications hosted on cloud environments, preferably Microsoft Azure.


This role requires hands-on technical leadership, strong system design capabilities, and the ability to build scalable, secure, and resilient microservices.


Key Responsibilities

1. Backend Development (Java & Spring Boot)

  • Design, implement, and maintain backend components using Core Java and Spring Boot.
  • Build RESTful APIs, microservices, and backend workflows.
  • Write clean, modular, scalable, and testable code following industry best practices.

2. Microservices Architecture

  • Develop and deploy distributed microservices aligned with modern cloud-native patterns.
  • Ensure high availability, fault tolerance, and performance tuning.

3. Cloud Engineering (Azure Preferred)

  • Deploy, manage, and optimize applications on Azure Cloud.
  • Use Azure cloud services for CI/CD, logging, monitoring, containerization, and service deployment.

4. System Design & Architecture

  • Participate in architectural discussions and contribute to design decisions for backend services.
  • Ensure solutions are robust, secure, scalable, and aligned with enterprise standards.

5. Collaboration & Agile Delivery

  • Work with cross-functional teams including architects, frontend developers, QA, DevOps, and product owners.
  • Participate in Agile ceremonies—planning, grooming, reviews, retrospectives.
  • Provide technical mentorship to junior developers.


Required Skills & Experience

Core Technical Skills

  • Expertise in Java (8/11/17)
  • Strong hands-on experience with Spring Boot & Spring ecosystem
  • Experience building enterprise Microservices
  • Cloud experience (preferably Microsoft Azure)
  • Proficiency in REST APIs, JSON, JWT, OAuth, security authentication/authorization
  • Experience with CI/CD pipelines (Azure DevOps, Jenkins, GitHub Actions)
  • SQL/NoSQL databases (PostgreSQL, MySQL, MongoDB, etc.)

Additional Skills

  • Containerization (Docker, Kubernetes)
  • Knowledge of event-driven systems (Kafka, RabbitMQ)
  • Strong debugging, optimization, and performance tuning skills

Key Skills

Ranked by relevance

cloud microservices java devops cicd high availability containerization fault tolerance restful apis spring boot postgresql jenkins docker mysql kafka oauth
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Posted
Nov 17, 2025
Type
Contract
Level
Mid-Senior
Location
Amsterdam

Industries

Information Technology & Services

Categories

Information Technology

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