Lead/Senior SharePoint Developer

Company : Bae Systems Strategic Aerospace Services Wll

Job Description - Lead/Senior SharePoint Developer

We are seeking a Lead/Senior SharePoint
Developer with 6+ years of professional experience across both SharePoint 2019
(on-premises) and SharePoint Online (SPO) to drive the technical architecture,
backend integration, migration, and deployment of our customized "Connect
22" intranet portal. In this role, you must bring a proven track record of
successfully executing end-to-end intranet migration projects from legacy
environments to modern SharePoint Online.
Using SharePoint Online as a headless CMS,
you will analyze our current environment to design the optimal cloud backend
structure (SPO Lists, Libraries, and Sites) to support our custom React
layouts. You will be responsible for wrapping custom React UI components into
deployable SPFx Web Parts (v1.19+) and establishing secure, read-only
integrations with our active enterprise core platforms (such as ERP and K2
systems) .Additionally, you will build an in-webpart content management system
(CRUD) using sliding Fluent UI panels, execute the end-to-end migration of
legacy content (such as news, corporate stories, documents, and lists), and
modernize legacy SharePoint workflows into modern, cloud-native Power Automate
flows.

Key Responsibilities

Migration Strategy & Execution:
Act as the technical lead for migrating the legacy SharePoint 2019
environment to SharePoint Online. Plan, structure, and execute the
migration of historical intranet content, including news archives,
corporate stories, documents, lists, web applications , site collections
and permissions, ensuring all legacy data maps correctly to the new modern
designs.

Environment Analysis & Architecture: Audit the existing SharePoint 2019 environment to assess data
structures, page layouts, workflows, and permissions. Define and implement
the optimal modern site structure, site collections, and metadata taxonomy
in SharePoint Online.

Read-Only System Integration (ERP & K2): Establish secure, read-only connections to active enterprise
platforms, including ERP suites and K2 environments [1]. Fetch data via
standard REST APIs, JSON endpoints, or secure database views to display
live operational data inside SPFx custom components.

Hybrid Security Implementation: Ensure all data-fetching integrations are completely secure and comply
with corporate security standards.

Workflow Modernization (SPO 2010 to Power Automate): Analyze existing legacy SharePoint 2019 workflows (including
2010 engine workflows), dissect their business logic, and completely
re-engineer and migrate them into secure, efficient Power Automate cloud
flows.

SPFx Web Part Architecture: Wrap
modular React functional components into production-ready modern SPFx Web
Parts (v1.19+) deployed to the SharePoint Online App Catalog.

Headless SharePoint & APIs: Design SharePoint Online list schemas, custom columns, and document
libraries. Write efficient data-fetching classes using PnP JS (@pnp/sp)
and Microsoft Graph APIs.

In-WebPart Content Editing (CRUD): Build secure, slide-out administration drawers (Fluent UI Panels) that
permit authorized business users to add, edit, and delete list items
(news, events, links) and upload media without interacting with the
SharePoint Online backend lists.

Complex Data Transformation: Design
the recursion and hierarchical JSON data parsing necessary to turn flat
SharePoint Online list data into interactive components like
organizational charts.

Requirements

6+ years of core, hands-on experience in SharePoint 2019
(on-premises) and modern SharePoint Online (SPO) / SPFx (v1.16+)
development.

Proven track record of leading and executing complex SharePoint
migration projects from on-premises (SharePoint 2019/2016) to SharePoint
Online.

Expert-level experience rebuilding legacy SharePoint Workflows
in Power Automate, utilizing cloud flows, automated/scheduled triggers,
custom connectors, and approval loops.

Proven experience fetching and consuming data from external
REST APIs, JSON services, or direct SQL databases to display inside SPFx
web parts.

Strong understanding of standard API security, including token
authentication (Bearer/OAuth 2.0), API Key management, and secure web
service integrations [1].

Expert-level proficiency in React, TypeScript, and React Hooks.

In-depth expertise in PnP JS (@pnp/sp) and PnP SPFx React
Controls (such as FilePickers, PeoplePickers, and RichText editors) within
SharePoint Online.

Proven experience debugging custom code inside native mobile
WebView containers (specifically the SharePoint Mobile App).

Original job Lead/Senior SharePoint Developer posted on GrabJobs ©. To flag any issues with this job please use the Report Job button on GrabJobs.

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Lead/Senior SharePoint Developer

Job Description - Lead/Senior SharePoint Developer

Requirements

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