Backend Developer (Medior/Senior) - Stratos Technologies team

Sorry, this job was removed at 04:23 p.m. (CST) on Friday, Dec 19, 2025
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Belgrade, Grad Beograd, Centralna Srbija, SRB
In-Office
Information Technology • Software
The Role


 

We at Holycode are currently looking for a skilled backend developer to join our Stratos Technologies team and work alongside experienced colleagues. This is an opportunity to work on meaningful challenges while growing your technical expertise in a supportive environment.

Stratos Technologies AG is a Swiss-based company providing a cutting-edge SaaS platform for the automotive after-sales market — helping leasing companies, fleet operators, insurance firms and OEMs manage service authorisations, maintenance, claims and customer interactions seamlessly.

What You’ll Be Working With

  • Current stack: PHP and Java
  • Database: MySQL (PostgreSQL experience is equally valuable)
  • Infrastructure: GCP, Docker, VM-based systems, CI/CD pipelines
  • Messaging: RabbitMQ and queue systems

What We’re Looking For

Must-haves:

  • 4+ years of backend development experience
  • Strong grasp of SOLID principles and their practical application
  • Solid understanding of relational databases and query optimization
  • Experience with message queues and asynchronous processing
  • Knowledge of software architecture patterns and design
  • Hands-on experience with Docker and CI/CD pipelines
  • Cloud platform experience (GCP, AWS, or Azure)

Nice-to-haves:

  • Experience with PHP, Java, or Kotlin
  • RabbitMQ specifically
  • Experience with system migrations or refactoring
  • Skill in leveraging AI tools effectively to accelerate development and problem-solving

You’re someone who:

  • Tackles problems head-on, even when they push beyond your current knowledge
  • Is resourceful and knows how to find solutions
  • Takes pride in writing clean, maintainable code
  • Is eager to learn and grow your skills
  • Brings a strong work ethic and collaborative spirit

Benefits:

  • Private health insurance
  • Equipment of your choice (laptop, monitor, accessories)
  • High-growth company with innovative products
  • Supportive, international team
  • Budget for professional development (courses, books, conferences)
  • English and German language lessons during working hours
  • Nice office in Belgrade with a stocked kitchen and game area
  • Opportunity to learn, grow, and make a real impact

If you are looking for an environment where you can grow professionally, learn from the best in the field, balance work and life habits and have a pleasant and enthusiastic environment, please submit your CV in English.



#LI-hybrid

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The Company
Zürich
357 Employees
Year Founded: 2014

What We Do

Holycode is a software development and IT nearshoring company, based in Switzerland, Germany, Serbia (Belgrade & Novi Sad) and Romania (Bucharest). We develop cutting-edge projects for Europes fastest growing startups and brands. Our mission is to offer every software solution from the foundation of the company to the IPO and beyond. Some of our in-house specialisations: - IT Nearshoring : Development teams that work exclusively for you full time. Based with us but fully integrated into your company. - Software Projects : End-to-end development of MVPs/POCs as well as complex software projects with our own teams. - ERP Systems : Specifically Microsoft Dynamics/BC & SAP. We cover everything from process analysis to maintenance. We are really amazing in table tennis, table soccer and dart but also in PHP, Java, Ruby on Rails, Python, iOS, Android, JavaScript and co. Our primary goal is to provide great working conditions and a great atmosphere for our team in order to have great results. That’s why we always follow the suggestions and ideas of our employees without whom our company would not be what it is – a place where work becomes fun and the results are amazing!

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