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Lead Software Engineer (all genders)

Zagreb / HR
Full-time
Permanent employee
3,800 - 3,900 € par mois

About the job

Position Overview
We seek an experienced Engineering Lead to take full ownership of our Mobile development team (React Native with Native iOS/Android). The Engineering Lead combines technical expertise with people leadership, serving as the technical authority and team lead. They are responsible for team performance, technical direction, people development, hiring, and delivery. Critically, this is a hands-on role – the Lead actively codes and contributes to feature delivery alongside the team, rather than purely managing. This hybrid role requires both strong technical depth and genuine leadership capability.

You

Key Responsibilities
Technical Leadership & Hands-On Development
  • Define and execute technical vision and strategy for the Mobile platform in close collaboration with the Software Architect
  • Work with the Software Architect to make architectural decisions aligned with cloud-native principles and security requirements
  • Actively code and contribute to feature development – typically 40-50% hands-on coding
  • Take ownership of complex features and technically challenging problems (React Native, iOS, Android)
  • Ensure architectural decisions are well-executed and understood by the team
  • Establish coding standards and code quality expectations for cross-platform and native development
  • Conduct technical reviews and ensure adherence to architectural principles and guidelines set with the Architect
  • Stay current with technology landscape and discuss emerging tools and approaches with the Software Architect
People Leadership
  • Provide direct feedback, performance management, and career development for team members
  • Conduct or participate in hiring and interview process
  • Create psychological safety and foster a culture of learning
  • Mentor Senior, Professional, and Junior Developers actively
  • Address performance issues constructively and promptly
Delivery & Execution
  • Partner with Product Owner(s) to refine and prioritize the team roadmap
  • Own team's delivery performance and reliability
  • Identify blockers and remove impediments to team progress
  • Balance feature work, technical debt, and innovation
  • Oversee release planning and app store deployment
  • Ensure architectural guidance is translated into team execution
Collaboration with Software Architect
  • Work closely with the Software Architect to define and refine platform architecture
  • Participate in architecture design reviews and technical strategy discussions
  • Communicate team feedback and implementation insights back to the Architect
  • Ensure the team understands and properly executes architectural decisions
  • Flag emerging technical challenges or constraints that may impact long-term architecture
Cross-Functional Collaboration
  • Communicate clearly with Product Owners, other teams, and leadership
  • Manage expectations around capacity, timelines, and technical constraints
  • Coordinate with other Engineering Leads on shared concerns
  • Represent team interests to leadership
Required Qualifications
Experience
  • Minimum 5-7+ years of professional software development
  • Minimum 3+ years in a lead or senior engineering role with people leadership
  • Proven track record building and scaling development teams
  • Experience delivering complex systems in production
  • Demonstrated success mentoring and developing other engineers
Technical Expertise – Mobile Stack (React Native + Native)
  • Expert-level React Native with deep understanding of native bridge and platform-specific challenges
  • Expert-level iOS development: Swift, native frameworks, performance optimization, App Store processes
  • Expert-level Android development: Kotlin/Java, native APIs, performance optimization, Google Play processes
  • State management architecture (MobX, Redux patterns)
  • Firebase expertise: authentication, real-time databases, cloud functions, analytics
  • Mobile-specific architecture: offline-first, performance optimization, memory/battery efficiency
  • Realm and local data persistence patterns
  • HTTP client architecture (Axios), REST design for mobile
  • Mobile security: secure storage, API security, OWASP Mobile Top 10
  • Native iOS/Android build processes and deployment
Cross-Stack Competencies
  • Expert security architecture: authentication, authorization, encryption, threat modeling
  • Cloud-native patterns: microservices, distributed systems, resilience, scalability
  • CI/CD pipeline design and implementation
  • Monitoring, observability, and logging strategies
  • Automated testing strategies (unit, integration, end-to-end, mobile-specific)
  • Infrastructure-as-Code and container orchestration
Bonus: Polyglot Capabilities
  • Experience with other tech stacks (Python, PHP, Node.js, Java) demonstrates broader thinking
  • Understanding of language-agnostic principles and design patterns
  • Comfort in a polyglot environment
Leadership & Soft Skills
  • Excellent written and verbal communication in English and German
  • Strong emotional intelligence and people reading ability
  • Proven ability to lead and develop teams
  • Excellent problem-solving and decision-making skills
  • Comfortable with ambiguity and managing trade-offs
  • Mentoring and coaching capability
  • Hiring and interview experience

À propos de nous

A propos de nous

Ce que nous  faisons:

F24 est le principal fournisseur de logiciels en tant que service (SaaS) d'alerte et de gestion de crise pour les communications sensibles et critiques en Europe. Nous offrons une solution très innovante et aidons nos clients du monde entier à gérer les situations critiques avec succès et efficacité. 

Fondée en 2000 et ayant son siège à Munich, F24 AG, avec des filiales à Zurich, Londres, Trondheim, Paris, Luxembourg, Madrid, Bruxelles et Munich, ainsi que des bureaux à Mexico, Santiago du Chili, Vienne, Dubaï et Milan, est au service d'entreprises et d'organisations dans plus de 100 pays du monde entier. Les clients de F24 proviennent de divers secteurs tels que l'énergie, la santé et la pharmacie, l'aviation, l'informatique et les télécommunications, ainsi que les institutions publiques.

Pour en savoir plus sur le travail chez F24, cliquez ici. https://f24.com/fr/carriere/

De bonnes  raisons de travailler chez F24:

  • Ayez un  impact tangible! Travaillez dans un environnement agile où vous apporterez une  contribution importante au succès de nos clients et à l'avenir de notre  entreprise.
  • Faites  partie de notre entreprise bien établie, dotée d'une culture inspirante, de  hiérarchies plates et d'une équipe ouverte, honnête, innovante et solidaire !
  • Grandissez  avec nous : Nous sommes une entreprise sur la voie du succès qui se développe  constamment à l'échelle internationale. Vous avez la possibilité de contribuer  à façonner notre développement.  
  • Profitez de  notre modèle de travail flexible: nous misons sur une combinaison de présence  dans nos bureaux et de travail à domicile. Cela renforce notre esprit d'équipe  et vous donne en même temps la possibilité de trouver le meilleur équilibre  possible entre votre vie privée et votre vie professionnelle.