Medior/Senior Backend Engineer (Java/Spring Boot) - Neon team

Belgrade, Serbia
Full Time
Neon
Mid Level
We at Holycode are currently looking for a Medior/Senior Backend Engineer (Java/Spring Boot) with strong skills and proven experience who is ready to dive into the Neon project team, for a full-time engagement, to join our company of passionate IT professionals.

About Neon

Neon is a Zurich-based fintech startup on a mission to disrupt the Swiss banking industry and become Switzerland’s #1 bank account. With over 250,000 users and a passionate team, we’re proud of what we’ve achieved—and we’re ready for the next chapter.How We Work
  • We combine excellent UX/UI with data-driven decision-making
  • We focus heavily on automation, CI/CD, and reproducible environments
  • We believe in ownership, calculated risks, and always putting the customer first
  • We encourage open discussions, technical excellence, and continuous improvement• Collaboration, respect, support, and social engagement are at the heart of our mighty tech team
What You’ll Do
  • Design, build, and maintain robust backend services using Java 21, Spring Boot 3, REST APIs, and Kubernetes
  • Take end-to-end ownership of backend components — from design to production
  • Contribute to and improve CI/CD pipelines in an agile Kanban environment
  • Use observability and monitoring tools to ensure system health, performance, and reliability
  • Collaborate closely with backend and frontend engineers, QA, product owners, and platform teams to enhance our applications
  • Influence architecture, best practices, and technical decisions through team discussion
  • Support and mentor other engineers through code reviews and knowledge sharing
  • Leverage AI-assisted development tools (e.g., GitHub Copilot, Claude Code) to accelerate backend development, code reviews, and testing
Our Tech Stack
  • Java 21, Spring Boot 3, JPA/Hibernate, REST APIs
  • Angular
  • MySQL, PostgreSQL
  • Google Cloud Platform, Kubernetes
Key qualifications
  • Extensive experience building production-grade Java applications
  • Comfortable using AI coding assistants as part of the daily workflow (Copilot, Cursor, Claude, etc.)
  • Solid understanding of backend architecture, software design, and distributed systems
  • Strong knowledge of SQL, REST APIs, microservices, and networking concepts
  • Hands-on experience with CI/CD pipelines, tools and modern DevOps practices
  • Ownership of components, features, or systems in past roles
  • Fluent in spoken and written English (German or other related languages are a plus)
  • Living in Belgrade or is willing to come to the office at least 2 days per week (hybrid model)

Why you'll love working here:

  • 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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