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Team Lead Platform & Frontend Architecture

Job

  • Level
    Lead
  • Job Field
    Web, Application, Front End
  • Employment Type
    Full Time
  • Contract Type
    Permanent employment
  • Location
    Berlin
  • Working Model
    Hybrid, Onsite
  • Job Summary

    In this role, you will evolve the strategic architecture of our brokerage platform, define technologies such as React, integrate real-time data, all while leading and coaching a cross-functional team.

    Job Technologies

    Your role in the team

    • In this key role, you will take on the technical and disciplinary leadership of a cross-functional development team and be responsible for the strategic further development of our digital platform in the brokerage environment.
    • Your focus is not only on implementation but primarily on the technological strategic decision-making.
    • How do we develop our platform further - web-based (React), hybrid, or native?
    • Which architecture is scalable, performant, and compliant in the long term?
    • You act as the interface between Business, Product, and Engineering, and significantly shape the technological future of our offerings.
    • Definition of the frontend and platform strategy (e.g., React, React Native, Native Apps, Micro Frontends)
    • Evaluation of technology options regarding performance, scalability, UX, and regulatory requirements
    • Development and further enhancement of a modular, future-proof system architecture
    • Close coordination with backend and API teams to ensure efficient end-to-end processes.
    • Technical and disciplinary leadership of a development team (Frontend / possibly Mobile / Web)
    • Coaching and development of employees (Senior to Mid-Level)
    • Establishment of best practices in code quality, testing, and architecture
    • Management of external service providers or entire teams (optional)
    • Responsibility for implementing modern trading and brokerage functionalities (order flows, portfolio, real-time data)
    • Ensuring an excellent user experience across all platforms
    • Integration of real-time data, APIs, and market data
    • Promotion of data-driven decision-making (KPIs, A/B testing, performance)
    • Close collaboration with Product, UX/UI, Compliance, and Management
    • Translation of complex requirements into technically sound solutions
    • Sparring partner for C-level executives on technology decisions

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    Our expectations of you

    Qualifications

    • Deep expertise in modern technologies such as: React / React Native / TypeScript; alternatively: native iOS (Swift) / Android (Kotlin) or hybrid approaches.
    • Understanding of API integration, real-time data, and complex system landscapes
    • Strong strategic vision - you think not only in features but in platforms.
    • Decisiveness in technological direction issues Strong communication skills (Tech Business)
    • Hands-on mentality combined with leadership competence
    • High quality standards and ownership

    Experience

    • Several years of experience as Lead Developer / Architect / Team Lead in the Frontend or platform environment
    • Experience with scalable frontend architectures (Micro Frontends, State Management, Modularization)
    • Ideally, experience in the finance, banking, or brokerage environment (order logic, market mechanisms, regulation)

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    What we offer

    • Flexible working hours / work@home
    • 30 days paid vacation
    • Mobility Benefit: Employer subsidy for the Germany Job Ticket (Deutschlandticket)
    • E-Mobility Benefit: Discounted leasing of e-bike, e-scooter & e-roller (after the probation period)
    • Personal and professional development with access to relevant courses
    • 100% coverage of daycare costs including meals (after the probation period)
    • Company pension scheme (after probation period)
    • A challenging role in an international and rapidly growing company
    • A competitive salary and an annual discretionary bonus
    • A lot of freedom in executing your tasks and the opportunity to shape your own career.
    • The opportunity to work in a new, enthusiastic team of like-minded experts

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    Benefits

    Work-Life-Integration

    Topics that you deal with on the job

    Job Locations

    • Location Berlin

      Germany

    This is your employer

    flatex

    flatex

    Our deep knowledge of financial IT, our own full banking license and a fully integrated business model allow us to offer our clients a unique range of services for professional securities trading.

    Description

  • Company Size
    50-249 Employees
  • Company Type
    Established Company
  • Working Model
    Hybrid, Onsite
  • Industry
    Internet, IT, Telecommunication
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    Team Lead Platform & Frontend Architecture

    Location
    Berlin
    Working Model
    Hybrid, Onsite
    Diversity
    Open for all genders

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