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Integration Lead – IT Transformation
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Offer summary

(Summary generated by AI based on the full job description)

The project focuses on IT transformation by replacing the legacy core system with a modern SaaS ecosystem covering CRM, ATS, PSA, and HRIS using AI-powered tools. Key technologies include REST API, OAuth2, Azure Logic Apps, Azure Functions, Microsoft 365, Entra ID, and GDPR security practices. Responsibilities include designing and managing SaaS-to-SaaS integrations, defining architecture, testing, overseeing deployment, and knowledge transfer to the internal team. The project requires strong stakeholder and vendor coordination skills.

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Integration Lead – IT Transformation

Company: NATEK POLAND

from: 3 September 2026
to: 3 October 2026
salary not specifiedB2B contract (additional / temporary, part time)
Offer parameters
level:expert
working mode:hybrid
Warszawa, Śródmieście
Warszawa, Śródmieścieal. Jana Pawła II 22View on map

Requirements

Expected technologies

Microsoft Azure
Microsoft 365
Microsoft Entra ID
GDPR
Git
AI tools

Our requirements

Technical skills
  • Proven experience delivering complex SaaS-to-SaaS integrations using REST APIs.
  • Strong knowledge of OAuth2, API authentication, webhooks, polling, rate limiting, pagination, and integration patterns.
  • Hands-on experience with integration platforms such as Azure Logic Apps, Azure Functions, n8n, Boomi, Workato, Celigo, Make, or similar.
  • Strong understanding of monitoring, logging, alerting, troubleshooting, and operational support.
  • Experience designing resilient integrations, including retries, idempotency, reconciliation, and error handling.
  • Solid understanding of data modeling, data mapping, and master data management concepts.
  • Experience integrating payroll, HR, finance, accounting, or e-signature solutions.
  • Knowledge of Microsoft 365 and Entra ID integration scenarios.
  • Familiarity with GDPR, security best practices, secrets management, and access control.
  • Strong Git and version-control practices.
  • Advanced use of AI-assisted development and productivity tools.
  • Working knowledge of relational databases and data migration concepts.
    • Business & Functional Skills
  • Ability to translate business processes into scalable technical solutions.
  • Understanding of staffing, professional services, workforce management, or consulting business models.
  • Experience defining data ownership and system-of-record principles.
  • Ability to manage complex integration challenges involving multiple systems and stakeholders.
  • Strong analytical, problem-solving, and decision-making capabilities.
  • Fluent English (at least C1)

    • Optional

    • Experience working in multi-vendor environments without a prime system integrator.
    • Experience in using AI tools.
    • Exposure to multi-country HR and payroll processes.
    • Experience with Tool4Staffing, Stafiz, Sloneek, or Autenti.
    • Track record of successfully transferring operational ownership to internal teams.

    Your responsibilities

    1. Integration Strategy & Architecture
  • Assess and consolidate the existing integration landscape, interface inventory, and technical documentation.
  • Evaluate and recommend the target integration architecture, including point-to-point integrations, orchestration approaches, or integration platforms.
  • Measure integration volumetrics and validate technical capabilities of all vendors and external systems.
  • Define integration standards, governance, security, monitoring, and operational principles.
  • Produce and present architecture recommendations supported by documented analysis and business rationale.
    • 2. Interface design & Ownership
  • Define interface contracts covering entities, data flows, triggers, frequencies, mappings, and transformation rules.
  • Establish and maintain system-of-record principles across the solution landscape.
  • Define master data ownership, pivot keys, and cross-system data synchronization rules.
  • Design robust error handling, retry mechanisms, reconciliation processes, and monitoring capabilities.
  • Create and maintain an integration ownership matrix, including responsibilities and service levels.
    • 3. Integration Delivery
  • Build and implement integrations using selected technologies and platforms.
  • Collaborate closely with software vendors and third-party providers to enable connectivity and resolve technical dependencies.
  • Configure, test, and optimize data flows across ATS, PSA, HRIS, identity, payroll, finance, reporting, and collaboration systems.
  • Ensure all integration assets, mappings, and configurations are properly version-controlled and documented.
  • Apply security-by-design and GDPR requirements throughout the integration lifecycle.
    • 4. Ecosystem & Third-Party Integrations
  • Lead integrations with Microsoft 365 services, including Entra ID, Teams, Outlook, SharePoint, OneDrive, Power Automate, and Power BI.
  • Design integrations supporting payroll processes across multiple European countries.
  • Define integrations for electronic signature solutions and finance/accounting platforms.
  • Support reporting enablement through structured data extraction mechanisms feeding Power BI.
  • Prepare the environment for future integrations with sales engagement and sales intelligence platforms.
    • 5. Testing, cutover & Hypercare
  • Develop integration test scenarios, datasets, and acceptance criteria.
  • Lead end-to-end integration testing and business acceptance activities.
  • Prepare and execute pilot and production cutovers.
  • Monitor and support integrations during hypercare and stabilization periods.
  • Manage incidents, root-cause analysis, corrective actions, and operational improvements.
    • 6. Knowledge transfer & Internalization
  • Prepare operational runbooks, flow diagrams, mapping documentation, and support procedures.
  • Train and mentor NATEK's internal IT teams.
  • Ensure long-term maintainability and operational ownership can be successfully transferred.
  • Deliver complete documentation and support a smooth transition into business-as-usual operations.
    • 7. Vendor & Stakeholder Management
  • Act as NATEK's primary technical counterpart for integration topics.
  • Facilitate technical workshops and cross-vendor design sessions.
  • Coordinate with Product, IT, HR, Finance, Legal, and external implementation teams.
  • Support contract discussions related to integration ownership, responsibilities, and service levels.
  • Provide regular progress updates, risk assessments, and recommendations to program leadership.
    • EXPECTED DELIVERABLES
  • Consolidated end-to-end integration inventory.
  • Integration architecture recommendation and decision package.
  • Interface contracts and field-level mapping specifications.
  • Integration ownership matrix and operational SLAs.
  • Security and data protection design documentation.
  • Monitoring, alerting, error handling, and replay framework.
  • End-to-end tested and production-ready integrations.
  • Operations runbook and support documentatio

    • About the project

    NATEK has been leading a strategic IT transformation program aimed at replacing its legacy core system with a modern, modular SaaS ecosystem covering CRM, ATS, PSA, and HRIS.
    As part of this transformation, the organization is also leveraging modern AI-powered tools and capabilities to streamline operations, enhance decision-making, and support business efficiency. As Integration Lead, you will own the design, implementation, and operational stability of the entire integration landscape connecting those platforms with each other and with NATEK's broader business ecosystem.
    This is a critical role within a high-visibility transformation program. You will take end-to-end responsibility for the integration layer, defining the architecture, building and testing interfaces, driving vendor alignment, supporting production cutover, and ensuring a successful handover to NATEK's internal IT team. The role combines architecture leadership with hands-on delivery and requires strong technical expertise, stakeholder management skills, and a proactive ownership mindset.
    This position is offered on a part-time engagement model with a fixed and committed allocation agreed for the duration of the program, with an expected start in October and completion around March. The role offers flexible remote work combined with occasional presence in Warsaw during key project milestones, design workshops, testing activities, and cut-over periods. Availability during critical go-live and hypercare phases is essential to ensure successful delivery and operational stability.
    This role reports directly to Interim CIO and works in close collaboration with:
  • Data Integration Lead,
  • IS Administration Lead,
  • Product Owner,
  • Legal, Finance, HR,
  • Internal Business Stakeholders,
  • External Technology Vendors.

    • This is how we organize our work

    This is how we work

    in houseyou focus on a single project at a timeyou have influence on the choice of tools and technologiesyou have influence on the technological solutions appliedagilescrum
    Company

    What we offer

    • High-impact, AI-oriented IT transformation project.
    • End-to-end ownership of the SaaS ecosystem integration.
    • Strategic role, bridging technology and business.
    • Cooperation based on our values: education, partnership and responsibility,
    • Possibility to exchange experiences in an international environment and develop projects implemented in Poland or other countries: Slovakia, Czech Republic, Bulgaria,
    • Working in a modern environment with innovative technologies,
    • Flexible working hours

    Benefits

    • remote work opportunities
    • flexible working time
    • integration events
    • employee referral program

    Recruitment stages

    • 1.
      Interview with Talent Acquisition
    • 2.
      Interview with Interim CIO
    • 3.
      Interview with Program Leader and / or CEO

    NATEK POLAND

    Established in Brno, Czech Republic in 2004, we have been working with world leaders in the IT industry from day one. We are an experienced company with in-depth knowledge of building high-performing IT project teams.
    Our mission is to deliver high-quality IT outsourcing solutions within CEE to help our clients make improvements in their performance while providing our employees with a work environment based on partnership.
    Our teams’ experience in various industries (FMCG, banking, automotive, telecommunication) allows us to properly anticipate clients’ needs. Thanks to our expertise we develop customized solutions. Our recruitment department can match IT experts to the rights projects to provide a
    win-win situation.

    This is how we work

    Integration Lead – IT Transformation
    I apply to:
    NATEK POLAND
    Warszawa, Śródmieście

    Need more information?

    • Make sure the body of the offer doesn’t already include what you’re looking for.
    • Ask a question if you need more information you’re interested in.
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