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

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 (http://neon-free.ch/)  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