Senior Software Engineer – Sitecore XM Cloud Migration

Aegistech; New Jersey; Hybrid; USD 140,000 - 190,000; Full time

Job summary

Aegistech seeks a Senior Software Engineer to lead Sitecore XM Cloud migration efforts in a hybrid New Jersey setting. The role involves hands-on modernization to move an on-prem Sitecore XM instance into XM Cloud, with a focus on cloud-native CMS solutions.

You will reverse engineer legacy pipelines, map features to XM Cloud equivalents, and build a PoC using Next.js and TypeScript. Strong C#/.NET and front-end skills are required for cloud deployment and HA architectures.

Qualifications

• Experience migrating Sitecore XP/XM to XM Cloud.
• Strong C#/.NET fundamentals for refactoring legacy logic.
• Deep familiarity with headless rendering, JSS, and modern front-end frameworks.
• Ability to design HA architectures and cloud deployment pipelines.

Responsibilities

• Reverse engineer legacy XM pipelines, custom controllers, rendering variants, and integration endpoints.
• Map legacy features to XM Cloud equivalents (SXA, headless services, Edge, Webhooks, Rendering Host).
• Build a full PoC using Next.js, TypeScript, and XM Cloud's headless rendering model.
• Stand up cloud hosting (Vercel or Node.js) and validate performance, caching, and deployment workflows.
• Produce architecture diagrams, migration wave plans, and operational readiness documentation.

Skills

Sitecore XM Cloud migration

C#/.NET fundamentals

Headless rendering

JSS

Cloud deployment pipelines

TypeScript

Next.js

Tools

Next.js

TypeScript

Vercel

Node.js

JSS

Job description

Our client in Northern NJ is seeking a Senior Software Engineer - Sitecore XM Cloud Migration consultant. This position is hybrid, onsite 2-3 days a week. Local candidates only/NO RELOCATION.

This role is not eligible for employer-sponsored work authorization (e.g., H-1B, OPT, CPT, etc.) or transfer. Candidates must have valid U.S. work authorization

Candidate must be our W-2 employee. No third parties please.

You’ll lead a hands-on modernization effort to move a heavily customized on-prem Sitecore XM instance into XM Cloud. This role is ideal for an engineer who enjoys deep technical discovery, architectural problem solving, and building cloud native CMS solutions from the ground up.

You Will:

• Reverse engineer legacy XM pipelines, custom controllers, rendering variants, and integration endpoints
• Map legacy features to XM Cloud equivalents (SXA, headless services, Edge, Webhooks, Rendering Host)
• Build a full PoC using Next.js, TypeScript, and XM Cloud's headless rendering model
• Stand up cloud hosting (Vercel or Node.js) and validate performance, caching, and deployment workflows
• Produce architecture diagrams, migration wave plans, and operational readiness documentation

You Bring:

• Real-world experience migrating Sitecore XP/XM-XM Cloud
• Strong C#/.NET fundamentals for refactoring legacy logic
• Deep familiarity with headless rendering, JSS, and modern front-end frameworks
• Comfort designing HA architectures and cloud deployment pipelines