Senior Software Engineer (all genders) at F24

City of Zagreb, , Croatia -

Full Time

Start Date

Immediate

Expiry Date

15 Oct, 26

Salary

48420.0

Posted On

17 Jul, 26

Experience

5 year(s) or above

Remote Job

Yes

Telecommute

Yes

Sponsor Visa

Skills

Java, Spring Boot, Angular, Cloud-Native Architecture, Microservices, REST API Design, Docker, Kubernetes, Hibernate, RabbitMQ, RxJS, Database Optimization, CI/CD, Technical Leadership, Mentoring, Security Knowledge

Industry

IT Services and IT Consulting

Description

Your tasks About the job Experienced developer to lead technical initiatives, mentor junior team members, and drive architectural decisions. Will take ownership of complex features and serve as technical authority. Works with Product Owners to translate business requirements into scalable, secure solutions. Om jobben You Key Responsibilities Technical Leadership Design and implement scalable, secure, cloud-native solutions Drive architectural decisions and evaluate technology trade-offs Establish coding standards and best practices Conduct code reviews and ensure quality adherence Lead technical discussions on complex problems Mentorship & Knowledge Transfer Mentor Professional and Junior developers Document technical decisions and architectural approaches Share knowledge through technical talks or pair programming Guide team on security and cloud-native best practices Feature Ownership & Delivery Take ownership of complex features from design through production Work with Product Owner to refine requirements Estimate and execute deliverables reliably Identify technical risks early and propose mitigation Ensure features meet security, performance, and scalability requirements Continuous Improvement Identify opportunities for technical optimization and refactoring Evaluate new tools, frameworks, and approaches Propose improvements to development processes Required Qualifications Experience Minimum 7+ years of professional software development Minimum 4+ years with Java/Spring Boot + Angular stack Proven experience designing scalable, cloud-native systems Strong track record shipping production systems reliably Experience mentoring or leading other developers Technical Expertise – Portal Stack Expert-level: Java, Spring Boot (Spring Core, Spring Security, Spring Data JPA), Hibernate, Jersey Advanced Angular: components, services, RxJS, state management, performance optimization Strong knowledge of: SASS, Hazelcast, RabbitMQ, websockets, Drools, Jasper Reports Jackson for JSON serialization Quartz for scheduled jobs and workflow automation Database design and optimization Containerization (Docker, Kubernetes) and cloud deployment Cross-Stack Competencies Expert REST API design and best practices Strong security knowledge: authentication, authorization, encryption, secure communication Cloud-native architecture patterns: microservices, distributed systems, resilience CI/CD pipelines, automated testing strategies, monitoring Basic understanding of AI/ML concepts (ideal) Bonus: Polyglot Capabilities Experience with Python, PHP, Node.js, or other backends Ability to learn and adapt to new stacks quickly Soft Skills Excellent communication in English and German Ability to articulate complex technical concepts clearly Strong problem-solving and analytical thinking Mentoring and coaching capabilities Proactive, self-directed, takes ownership Comfortable with ambiguity and rapid change Your future team Contact Kontakt oss About us What we do: F24 is Europe’s leading Software-as-a-Service (SaaS) provider for resilience. More than 5,500 customers worldwide rely on F24’s digital solutions, which support companies and organisations through all areas of resilience. Solutions cover business messaging and service notification, emergency and mass notification, incident and crisis management, as well as governance, risk and compliance. F24 supports customers in virtually every sector ranging from energy, healthcare, industry, finance, IT, tourism and aviation to a wide variety of public organisations. Many years of international experience have made F24 experts in improving resilience with digital solutions. The company was founded in 2000 in Munich, where F24 AG’s head office is still located. Today, F24 supports companies and organisations in more than one hundred countries, via more than 20 locations in Europe and beyond. The F24 AG Board of Directors consists of F24 co-founder Christian Götz and the spokesperson Dr. Jörg Rahmer. Find out more about working at F24 here. Good reasons to work at F24: Have a tangible impact! Work in an agile environment where you make an important contribution to the success of our customers and the future of our company. Become part of our established company with an inspiring culture, flat hierarchies and our open, honest, innovative and supportive team! Grow with us: We are a company on the road to success, experiencing steady international growth. You have the opportunity to help shape our development. Take advantage of our flexible working model: We rely on a combination of presence in our offices and work from home. This way we strengthen our team spirit and at the same time gives you the opportunity to achieve the best possible balance between private and professional life.

Responsibilities

Lead technical initiatives and architectural decisions while mentoring junior developers to ensure high-quality code. Take ownership of complex features from design to production in collaboration with Product Owners.