Job Summary

We are seeking an experienced Senior MarTech Engineer / AI Web Builder to lead the development and optimization of high-performance, AI-powered B2B SaaS marketing platforms. This role combines modern frontend engineering, cloud-native AI integration, and marketing technology to build scalable, mobile-first web experiences that maximize lead generation and AI search visibility.

The ideal candidate will have strong expertise in Astro, Contentful, AWS, Playwright, and Model Context Protocol (MCP), along with hands-on experience integrating AI services such as AWS Bedrock and building intelligent marketing applications. You will own the complete web-to-lead experience, optimize websites for Large Language Models (LLMs), and develop secure AI integrations while ensuring exceptional performance across mobile and desktop platforms.

Key Responsibilities

• Design, develop, and maintain high-performance, responsive B2B marketing websites using Astro and Contentful CMS.
• Build mobile-first user experiences with a strong focus on responsive design, accessibility, and Core Web Vitals (LCP, INP, CLS).
• Optimize websites for AI search engines and LLM-powered discovery platforms including OpenAI Search, Gemini, Claude, and Perplexity AI.
• Design, implement, and maintain Model Context Protocol (MCP) Servers to securely expose enterprise APIs and technical documentation to AI agents.
• Integrate cloud-based AI capabilities using AWS Bedrock, Lambda, API Gateway, OpenSearch, and Amazon S3.
• Develop intelligent web experiences including AI-powered chat assistants, ROI calculators, recommendation engines, and interactive customer journeys.
• Build and maintain automated end-to-end testing frameworks using Playwright across desktop and mobile devices.
• Validate responsive layouts, checkout flows, pricing pages, third-party integrations, and webhook functionality through automated testing.
• Integrate marketing websites with HubSpot CRM to automate lead capture, lifecycle management, and customer engagement workflows.
• Develop API integrations with Outreach to automate sales engagement based on visitor behavior and lead scoring.
• Optimize SEO, structured metadata, schema markup, and AI discoverability (LLMO/GEO) for enterprise AI search platforms.
• Collaborate with product, marketing, design, and engineering teams to deliver scalable marketing technology solutions.
• Continuously improve application performance, security, monitoring, and deployment automation.
• Participate in Agile ceremonies and provide technical guidance on modern AI-enabled marketing architectures.

Required Qualifications

• 4+ years of professional experience in Full Stack or MarTech Engineering.
• Strong hands-on experience with Astro Framework.
• Extensive experience with Contentful Headless CMS.
• Strong knowledge of JavaScript, TypeScript, HTML5, and CSS3.
• Experience developing responsive, mobile-first web applications.
• Hands-on experience building and deploying Model Context Protocol (MCP) Servers.
• Strong understanding of AI-enabled web architectures and LLM integrations.
• Experience integrating AWS Bedrock into production applications.
• Strong experience with AWS services including:
  • AWS Lambda
  • API Gateway
  • Amazon S3
  • IAM
  • OpenSearch
• Experience building AI-powered web applications using cloud-native services.
• Strong understanding of REST APIs and API integrations.
• Experience writing automated UI and integration tests using Playwright.
• Knowledge of Core Web Vitals optimization and frontend performance tuning.
• Experience with Git, CI/CD pipelines, and modern software development practices.
• Excellent problem-solving, communication, and collaboration skills.
• Ability to work independently in a fully remote environment while overlapping North American business hours.

Preferred Qualifications

• Experience with HubSpot CRM APIs, Custom Objects, and Marketing Automation.
• Experience integrating Outreach APIs and Webhooks.
• Knowledge of Marketing Technology (MarTech) platforms and B2B SaaS applications.
• Experience optimizing websites for AI search platforms and Large Language Models (LLMO/GEO).
• Familiarity with AI conversational interfaces and prompt-driven user experiences.
• Experience with AI agent frameworks and enterprise AI integrations.
• Knowledge of modern cloud-native architectures and serverless application development.

Technical Skills

Frontend

• Astro
• JavaScript
• TypeScript
• HTML5
• CSS3
• Responsive Design
• Mobile-First Development

CMS

• Contentful

AI & LLM

• AWS Bedrock
• Model Context Protocol (MCP)
• OpenAI Search
• Gemini
• Claude
• Perplexity AI
• LLM Optimization (LLMO/GEO)

AWS Cloud

• Lambda
• API Gateway
• S3
• IAM
• OpenSearch

Testing

• Playwright
• End-to-End Testing
• Mobile Automation
• Cross-Browser Testing

CRM & Marketing

• HubSpot CRM
• Outreach API
• Marketing Automation
• Revenue Operations (RevOps)

DevOps

• Git
• GitHub
• CI/CD Pipelines

Ideal Candidate Profile

• Proven experience building modern MarTech and AI-enabled web platforms.
• Strong expertise in mobile-first frontend development and web performance optimization.
• Hands-on experience with AI integrations, LLM optimization, and MCP server implementations.
• Experience building secure, scalable, cloud-native applications on AWS.
• Self-motivated professional capable of delivering high-quality solutions in a remote, fast-paced environment with minimal supervision.