Lead Website Developer

Senior Website Developer – Replatform Initiative

Our client is undertaking a major replatforming initiative from Sitecore XP to Sitecore XM Cloud and is seeking a Senior Developer to play a key technical role in designing, building, and optimizing a modern, headless digital experience platform. This role will serve as a hands-on technical leader and subject matter expert, driving best practices across frontend architecture, cloud-native development, and the greenfield implementations.

Position is based in Buckhead and is 3 days per week onsite. This is a full time role.

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Key Responsibilities

· Design, develop, and maintain enterprise-scale, cloud-native web solutions supporting the migration from Sitecore XP to Sitecore XM Cloud.

· Serve as a technical subject matter expert across the full software development lifecycle, including architecture, development, testing, deployment, and production support.

· Build and integrate headless frontend experiences using Next.js, React, Type Script, and Graph

QL, leveraging Sitecore JSS and XM Cloud.

· Collaborate closely with architects, product owners, and cross-functional teams to deliver scalable, well-integrated solutions aligned with business and platform goals.

· Define and implement modern rendering strategies (SSG, SSR, ISR) to optimize performance, SEO, and Google Page Speed scores.

· Design and optimize personalization and real-time content experiences using Sitecore CDP/Personalize and Sitecore Search.

· Own and optimize CI/CD pipelines and deployment workflows, including Vercel deployments, environment configuration, and performance optimization.

· Ensure adherence to application architecture standards, secure coding practices, and cloud observability (monitoring, logging, and alerting).

· Perform code reviews, mentor developers, and promote knowledge sharing and technical excellence across the development team.

· Troubleshoot and resolve highly complex production issues, serving as an escalation point and providing third-level application support (including on-call rotation).

· Evaluate and recommend tools, frameworks, and vendor solutions to support ongoing platform evolution.

· Address security scan findings and ensure compliance with security and quality standards.

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Required Qualifications

· Sitecore XM Cloud or similar product

o 2+ years of hands-on, production experience with Sitecore XM Cloud (XM Cloud experience required; legacy XP/XM alone is not sufficient).

· Frontend & Headless Development:

o Strong expertise in Next.js (14/15+), React.js, Type Script, and Graph

QL.

· Sitecore Headless Architecture:

o Advanced knowledge of Sitecore JSS, headless CMS patterns, and modern web architecture preferred

· Cloud & Dev Ops:

o Experience with Vercel, CI/CD pipelines, and tools such as Azure Dev Ops or Git Hub Actions.

· Engineering Excellence:

o Strong understanding of cloud-native principles, performance optimization, and observability.

· Collaboration & Problem Solving:

o Ability to work independently on complex initiatives while partnering effectively across teams.