Senior Flutter Web Developer gesucht in Leipzig

Cyber Insight GmbH
2 days ago

Role details

Contract type
Permanent contract
Employment type
Full-time (> 32 hours)
Working hours
Shift work
Languages
English
Experience level
Senior

Job location

Tech stack

Flutter
API
Artificial Intelligence
Continuous Integration
Cross-Site Request Forgery
OAuth
Open Source Technology
Performance Tuning
Openid Connect
Web Application Security
Web Applications
Cross-Site Scripting (XSS)
Backend
Integration Tests
Performance Monitor
GraphQL
Front End Software Development

Job description

  • Design, develop, and maintain high-performance Flutter web applications
  • Define and enforce clean architecture patterns, with a strong focus on BLoC
  • Build scalable, testable, and maintainable state management solutions
  • Optimize rendering, bundle size, load times, and runtime performance
  • Implement security-focused frontend solutions (authentication, authorization, secure storage, API protection)
  • Collaborate closely with backend, AI, product, and UX teams
  • Review code, mentor team members, and contribute to technical standards
  • Proactively identify technical risks, security issues, and performance bottlenecks

Requirements

  • Several years of professional experience with Flutter, including Flutter WebDeep, hands-on expertise with BLoC / Cubit and event-driven architectures
  • Strong understanding of Flutter rendering, widget lifecycle, and performance optimization
  • Solid experience with web security concepts, such as:
  1. OAuth / OpenID Connect / JWT-based authentication
  2. Secure API communication
  3. Protection against XSS, CSRF, and common web vulnerabilities
  • Experience designing scalable frontend architectures
  • Confident working with REST and/or GraphQL APIs
  • Strong testing mindset (unit, widget, and integration tests)
  • Ability to take technical ownership and make architectural decisions

Nice to Have

  • Experience with security, compliance, or risk management platforms
  • CI/CD experience for Flutter web
  • Familiarity with performance monitoring and profiling tools
  • Open-source contributions in the Flutter ecosystem
  • Experience with accessibility and internationalization

Benefits & conditions

  • Work on a product with real impact in IT security and risk management
  • High degree of technical ownership and influence
  • Challenging problems at the intersection of AI, security, and frontend engineering
  • Flexible working hours
  • Competitive salary and benefits
  • A strong engineering culture focused on quality and collaboration

About the company

At Cyber Insight, we are building the next generation of AI-driven platforms for IT security and risk management. Our mission is to empower companies to gain deep insights into their IT landscapes and proactively mitigate risks in an increasingly complex digital world.

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