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Sarah SiniSS

Sarah Sini

Expert Angular 18 & Java | Audit & Architecture

€1,000/day
Lausanne, CH
8-15 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Sarah

🎯 SENIOR EXPERTISE FOR YOUR CRITICAL PROJECTS

Senior Fullstack Engineer with 12+ years of experience. I step in where internal teams are blocked. Specializing in demanding environments (Lombard Odier, Airbus, ECA), I offer targeted, high-value interventions to secure your deliverables.


⚡ MY INTERVENTION OFFERS (SIDE HUSTLE & CONSULTING)

1. ANGULAR AUDIT & RESCUE (Focus v14 to v18)
  • Diagnosis of technical debt and performance issues.
  • Migration plan to Angular 17+ (Standalone, Signals).
  • In-depth Code Review to unblock your critical Pull Requests.

2. TECH LEAD "AS A SERVICE" * Implementation of Testing strategy (Cypress, Jest).
  • Technical mentoring to upskill your developers.
  • Robust Backend Java Spring Boot / Node.js architecture.

3. EXPERT REINFORCEMENT (BANKING & INSURANCE)
  • Development of complex features requiring "Pixel Perfect" rigor and data security. * Accustomed to the regulatory and technical constraints of the Swiss sector.

🚀 WHY ME?
  • Pragmatic: I don't sell code, I sell a working and maintainable application. * Proven Experience: I have managed nearshore teams and led major migrations.
  • Immediate Effectiveness: No ramp-up time. I know industry standards.

📍 TERMS
  • Type of mission: Audits, Occasional Consulting, Expert Reinforcement (Part-time or Fixed-price).
  • Location: Lausanne / Remote.
  • Languages: French, English, Arabic.
  • French

    Native or bilingual

  • English

    Fluent

  • Arabic

    Fluent

  • Kabylisch

    Native or bilingual

Remote only
Primarily works remotely

Experience

  • Etablissement Cantonal d'Assurance
    Visto-consulting SA
    June 2024 - Today (2 years)
    Lausanne, Switzerland
    • Reference for Angular 14, 17, and 18 developments.
    • Implementation of agility with ceremony management (daily, sprint planning, review, retro).
    • Leader in conceptual and technical best practices.
    • Implementation and monitoring of testing (unit, integration, e2e).
    • Continuous product improvement through UI/UX workshops.
  • Lombard Odier & Cie
    Sopra Steria Switzerland
    BANKING AND INSURANCE
    April 2022 - June 2024 (2 years and 2 months)
    Switzerland
    • Responsible for the organization and coordination of a development team.
    • Resource management, task assignment, and deadline tracking.
    • Close collaboration with business teams to understand their needs and translate these requirements into technical specifications.
    • Development of new features for the bank's internal applications, focusing on user experience and data security.
    • Supervision of testing and quality assurance phases to ensure application reliability and performance.
    • Writing technical documentation and user guides to facilitate application maintenance and onboarding.
  • Groupe Mutuel (CH)
    Full-stack Developer Analyst
    BANKING AND INSURANCE
    April 2019 - October 2021 (2 years and 6 months)
    Martigny-Ville, Switzerland
    Main areas of intervention: Frontend component design and development, REST service design and development, Test implementation (unit and end-to-end), Technical documentation writing, Participation in Scrum ceremonies.
    React Ant Design Scrum health insurance User Experience Design

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Education

  • Scrum Master I
    scrum.org
    2024
    Scrum Master I
  • Master II Computer Science and Telecommunications
    Université Paul SABATIER
    2012
    Master II Informatique et télécommunication

Skill set

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