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Full stack Java Developer

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Onsite

Full stack Java Developer

SII Group Romania

Full stack Java Developer

Skills

TypescriptJavaMicroservicesSpring BootPostgreSQLKafkaRabbitMQGitLabJenkinsAIAWSKanbanJavascript

19 days ago

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Important information


Contract type:

Freelance / Contract

Location:

Bucharest, Romania

Work mode:

Onsite

Published on:

30 September 2026

What they need


Who we are:

Open-minded intellectuals who embrace emerging technologies on our mission to create innovative Software Engineering Solutions that will impact millions of users around the world.

We are looking for:

We are looking for a motivated and experienced Full Stack Developer who enjoys building reliable, scalable software and working with modern technologies. You should be comfortable working in a distributed engineering environment and collaborating with colleagues across multiple technical disciplines and countries.

What you will do:

  • Actively participate in creating the architecture, design and the implementation of new features;
  • Continuously add improvements to the existing codebase;
  • Write maintainable and well-tested code, including integration and unit tests;
  • Participate in writing software documentation;
  • Act as a mentor for less-experienced colleagues.

What you need to have:

  • Experience with Agile methodologies, such as Scrum and/or Kanban.
  • Understanding of Continuous Integration and Continuous Delivery (CI/CD) principles and tools.
  • Experience designing and developing reusable, maintainable software components.
  • Strong understanding of Object-Oriented Programming (OOP) principles and design patterns.
  • Substantial professional experience with Java, Spring Boot, and microservices.
  • Substantial experience with JavaScript/TypeScript and modern web components.
  • Experience designing and consuming REST APIs and working with message brokers, such as Kafka or RabbitMQ.
  • Experience with relational databases, preferably PostgreSQL.
  • Good understanding of distributed systems, including the ability to explain concepts such as the CAP theorem, consistency, availability, and partition tolerance.
  • Experience with at least one cloud platform, preferably AWS.
  • Experience using AI-assisted software engineering tools in day-to-day development.
  • Familiarity with deploying and operating AI/LLM workloads.
  • Strong experience with Git-based development workflows.
  • Experience with GitLab CI/CD, Jenkins, or equivalent automation platforms.
  • Strong communication and collaboration skills, with the ability to work effectively across multiple engineering disciplines.
  • A strong focus on software quality, maintainability, testing, reliability, and security.

What's in it for you:

  • Extended compensation and benefits package
  • Continuous learning opportunities to enhance your professional and soft skills
  • A great working environment with people who put their heart, mind, and soul into everything they do and understand the importance of team spirit

We really welcome open-minded and committed people:

  • Eager to take on new challenges and learn new things
  • Who put their heart, mind, and soul into everything they do
  • Who enjoy sharing knowledge and understand the importance of teams.

#LI-AT2

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