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Katarzyna NiewczasKN

Katarzyna Niewczas

Product Delivery & Implementation Manager

€550/day
Berlin, DE
8-15 years

Average response time: 1 hour

About Katarzyna

Product Delivery & Implementation Manager | SaaS Integrations | Customer Onboarding | Technical Delivery

I help SaaS companies and enterprise clients successfully implement products, manage complex integrations, and accelerate customer onboarding from contract signature to go-live.

With 10+ years of experience delivering SaaS, Hospitality & Travel Tech, HealthTech, Wellness. I act as the bridge between customers, product, engineering, and operations teams, ensuring projects are delivered on time, integrations work seamlessly, and users achieve rapid adoption.

My expertise includes end-to-end implementation management, technical onboarding, API integrations, platform migrations, release coordination, stakeholder management, and operational readiness.

Core expertise:
• Product Delivery & Implementation Management
• Customer Technical Onboarding
• SaaS Deployments & Go-Live Management
• API & Third-Party Integrations
• Platform Migrations & Data Transitions
• Requirements Gathering & Solution Design
• Enterprise Client & Stakeholder Management
• UAT, Testing & Release Coordination
• Training, Enablement & Adoption Programs
• Process Improvement & Operational Readiness

Integration experience:
Stripe, Chargebee, RevenueCat, Hospitality PMS/CRS/OTA platforms, subscription billing systems, payment gateways, customer platforms, and custom API integrations.

Recent projects have involved coordinating cross-functional teams across product, engineering, design, operations, marketing, and external vendors to deliver complex implementations with minimal disruption and strong customer outcomes.

Whether you need a delivery lead for a new product rollout, a customer onboarding specialist, an implementation manager, or support for a complex integration or migration project, I bring a structured, hands-on approach focused on execution, adoption, and measurable business results.
  • English

    Native or bilingual

  • Polish

    Native or bilingual

Can work on-site
Berlin (up to 50km)

Experience

  • Global
    Product Delivery & Implementation Manager | Customer Onboarding
    TECH
    July 2019 - Today (7 years)
    Berlin, Germany
    • Delivered 35+ SaaS, HealthTech, Wellness, and TravelTech projects from implementation through go-live.
    • Orchestrated cross-functional teams across engineering, design, operations, marketing, and external vendors to ensure successful delivery.
    • Managed product development and launch, implementations, technical integrations, platform migrations, testing, release planning, and go-live activities.
    • Resolved implementation issues involving integrations, system configuration, user access, billing platforms, and third-party vendors.
    • Translated business and technical requirements into implementation plans, system configurations, and delivery roadmaps.
    • Delivered customer-facing onboarding, training, SOPs, and enablement programs to accelerate adoption and time-to-value.
    Example projects:

    Breadkrumb (AI Travel Planning Platform) – USA
    • AI assistant workflows, prompts, and onboarding experiences.
    • Led discovery, testing, launch, and Stripe/Mixpanel integrations.

    Jay Shetty GENIUS (Mental Wellness Platform) – USA
    • Led migration of 10,000+ users, subscriptions, and content with zero downtime.
    • Managed vendors, testing, launch, onboarding, and feature rollout in partnership with Uscreen.

    Amptify (HealthTech Platform) – USA
    • Led discovery and delivery of a white-label marketplace, booking engine, and telehealth platform.
    • Coordinated founders, clinical teams, and engineers during the company's B2B transition.

    MedKitDoc (Healthcare Platform) – Germany
    • Rescued a critical platform launch six weeks before go-live.
    • Coordinated engineering, compliance, clinical, and leadership teams to deliver on schedule.

    BodyBrand (Wellness & Fitness Platform) – USA
    • Led implementation of two subscription-based wellness products serving 20,000+ customers.
    • Managed Stripe, Chargebee, and RevenueCat integrations and migrated 20,000+ customers with zero downtime.
    Product Manager Customer Onboarding Software Implementation API Integration Delivery Manager
  • Design Hotels AG,
    Manager, Distribution Technology
    August 2017 - July 2019 (1 year and 11 months)
    Berlin, Germany
    . End-to-end project management, technical onboarding & API integration on several projects simultaneously; Facilitated cross-functional collaboration between departments and external vendors. Usability testing and user training;
  • Design Hotels AG,
    System Integration Coordinator
    November 2015 - July 2017 (1 year and 8 months)
    Berlin, Germany
    • Manage pilot system integration and data migration of the Design Hotels Portfolio into Marriott Hotels' distribution ecosystem. Led usability testing and pilot studies; designed and ran user training.

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Education

  • Accessible User Experience Designer
    Deque University
    2023
    Accessible User Experience Designer
  • Certified User Experience Designer
    CareerFoundry
    2020
    Certified User Experience Designer

Skill set

Categories