Senior Backend Engineer

Job Description:

Job Title: Optimizely SaaS CMS Technical Lead (Back-end)

Role Overview:

Were looking for a Backend Technical Lead to architect and drive delivery of enterprise-grade headless Optimizely CMS (SaaS) solutions across multi-site and multiple language implementations. Youll lead the technical vision backend integration strategy and engineering standards for content modeling Graph/API consumption and CI/CD automation that power performant omnichannel experiences. Optimizely CMS (SaaS) is a managed headless serviceyou will focus on content APIs integrations data flows and frontend build orchestration rather than infrastructure within the CMS runtime.

Key Responsibilities

Technical Leadership & Architecture

• Define the headless architecture for complex multi-site/multi-language experiences standardizing content models localization and delivery contracts consumed by modern frontends (e.g. React Vue). CMS (SaaS) is managed headless and front-end led via Graph delivery.
• Establish integration patterns to consume Optimizely Graph for high-performance content retrieval and the CMS (SaaS) REST API for management operations (content lifecycle config permissions).
• Own standards for content modeling and editorial UX in Visual Builder ensuring reusable blocks preview workflows and governance for authors.
• Design webhook-driven pipelines to trigger static-site generation/ISR builds and cache invalidation on content changes (Graph/Webhooks).
• Define non-functional requirements (availability performance security observability) and SLOs for API clients and frontends that consume SaaS content.

Delivery & CI/CD

• Lead CI/CD for backend integrations and front-end apps (build test release) including environments quality gates and rollback strategies; align releases with SaaS auto-updates expectations.
• Implement caching/CDN headers ETags and API pagination strategies for Graph and REST usage to ensure fast and predictable delivery at scale.
• Establish secure API authentication/authorization (e.g. OAuth/JWT Opti ID role assignments) and secret management across environments.

Integration & Data

• Integrate CMS (SaaS) with adjacent products (e.g. Optimizely Data Platform Web Experimentation) and downstream systems via APIs and webhooks.
• Govern content indexing and synchronization behavior in Graph; monitor webhook retries and sync logs for reliable event-driven builds.

Team Leadership

• Lead backlog shaping estimations and risk management; mentor developers via code/design reviews and structured knowledge sharing.
• Represent engineering in stakeholder forumstranslate business needs into architectural choices and clearly communicate trade-offs.

Required Skills & Experience

• 58 years in backend engineering with 3 years leading delivery as a Technical Lead on enterprise content platforms.
• Hands-on with headless CMS architectures and API-first delivery; expert in designing contracts consumed by modern frontends.
• Strong proficiency with C#/.NET services or for integration services; deep experience with REST and GraphQL patterns (consuming Optimizely Graph calling CMS SaaS REST APIs).
• Experience setting up webhooks to orchestrate SSG/ISR builds and cache invalidation; familiarity with event payloads retries and failure handling.
• Solid understanding of authentication/authorization for APIs (OAuth/JWT) and Opti ID user/role management for CMS (SaaS).
• Proven delivery in multi-site and multi-language environments (content localization routing SEO accessibility).
• Strong grasp of SDLC CI/CD API observability and performance engineering for high-traffic digital experiences.
• Excellent communication skillsable to set standards coach teams and influence stakeholders.

Nice-to-Have

• Prior work with Optimizely PaaS/DXP (CMS 11/12) and 1112 modernization/migrationuseful for evaluating legacy paths into SaaS; SaaS vs PaaS understanding is advantageous.
• Experience with Optimizely Web Experimentation/Feature Flags integration and content-personalization data flows.
• Familiarity with edge/CDN caching strategies ISR/SSG on platforms like Vercel/Azure Static Web Apps and SEO at scale.

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