SharePoint Migration & Solutions Developer (365)
Atlantis Solutions b.v.
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Job summary
Atlantis Solutions b.v. in the Netherlands seeks a Senior SharePoint Migration & Solutions Developer to lead end-to-end migrations and modernisation of SharePoint Online. You will work in an Agile/DevOps environment delivering scalable solutions and driving governance.
You will re-engineer Nintex customisations, build SPFx web parts, and integrate REST APIs and Microsoft Graph while maintaining alignment with branding and security policies.
Qualifications
- Hands-on experience delivering end-to-end SharePoint migrations.
- Hands-on experience in SharePoint development (SPFx, web parts).
- Experience with Nintex workflows and modernisation.
- Experience in Azure DevOps and DevOps practices.
- Strong stakeholder engagement and delivery in Agile environments.
Responsibilities
- Re-engineer legacy SharePoint solutions and migrations.
- Deliver modern, scalable SharePoint Online solutions.
- Develop custom web parts and extensions.
- Transform workflows with Nintex, Power Automate, and Power Apps.
- Coordinate validation, UAT, and post-migration support.
Skills
Tools
Job description
Important - Please Read Before Applying. This is a specialist SharePoint role focused on:
- This role is based in the Netherlands and requires on site presence (Hybrid 3 days office, 2 days WFH)
- Power Platform without SharePoint migration experience
- General IT support, infrastructure, or Modern Workplace roles
- SharePoint usage/configuration without development or migration delivery
This role requires hands-on experience in BOTH:
Applications that do not clearly demonstrate both will not be considered.
We are seeking a Senior SharePoint Migration & Solutions Developer with proven experience delivering end-to-end SharePoint migration and modernisation projects.
This is not a lift-and-shift role.
You will be responsible for:
- Re-engineering legacy solutions (e.g. Nintex, customisations)
- Delivering modern, scalable SharePoint Online solutions
You will work within a structured Agile/DevOps environment, contributing to both migration delivery and solution development.
You must have hands-on experience delivering SharePoint migrations, not just supporting or observing them.
- Using tools such as ShareGate
- Planning and executing migrations end-to-end
- Conducting:
- Content inventory and assessment
- Data cleansing and restructuring
- Adhering to a migration strategy
- Maintaining/ updating DevOps (or similar tool) with migration progress
- Permissions and security structures
- Version history migration
- Large lists and libraries
- Post-migration validation and issue resolution
- Creation of technical documents
You must have hands-on development experience building SharePoint solutions, not just configuring the platform.
- Developing solutions in:
- SharePoint Online (M365)
- Strong experience with:
- SharePoint Framework (SPFx)
- REST APIs / Microsoft Graph
- Rebuilding legacy SharePoint customisations into modern solutions
- Developing custom web parts and extensions
- Identifying and redesigning unsupported components
- Maintaining alignment with existing environment (look & feel; branding; functionality etc.)
- Analyse and reverse-engineer Nintex (On-Prem) workflows and forms
- Power Automate
- Power Apps
Focus on improving and modernising logic, not just migrating workflows
- Strong understanding of:
- Modern vs Classic experience
- Site collections, lists, libraries, and pages
- Permissions and security models
- Working knowledge of:
- Microsoft Teams
- OneDrive
- Microsoft 365 Groups
- SharePoint Online permissions model
- Microsoft 365 compliance features:
- Sensitivity labels
- Support User Acceptance Testing (UAT)
- Perform post-migration validation
- Troubleshoot migration and solution issues
- Provide Hypercare and stabilisation support
Work within Azure DevOps
- Work item tracking (Features, User Stories, Tasks)
- Effort estimation and delivery tracking
- Continuous improvement of delivery practices
You will likely have:
- Rebuilt Nintex / legacy workflows into modern solutions
- Developed SPFx web parts or custom SharePoint components
- Worked across migration + development within the same project
- Experience working in structured delivery environments
- 6-8+ years working with SharePoint (mandatory)
- Proven experience in both SharePoint migration and SharePoint development
- Strong problem-solving and solution design capability
- Experience working directly with stakeholders
- Strong communication with business and technical stakeholders
- Ability to translate requirements into solutions
- Ownership and accountability for delivery
- Collaborative team mindset
- Experience working in Agile/Scrum environments
- Exposure to Azure services (e.g. Entra ID, integrations)
- Experience contributing to governance frameworks
- Highly competitive salary
- Industry training
- Personal and professional growth
- Exposure to projects within the Space Industry
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