Web Developer

We are looking for a full-time Web Developer with hands-on AI capabilities to support one of our clients.

Note: This is not a machine learning research position. We are looking for a builder who can translate marketing and business needs into reliable websites, integrations, experiments, and AI-powered solutions.

• Contract Type: Full-time
• Work Schedule: 40 hours per week
• Location: Open to candidates in LATAM
• Language Requirement: Advanced English proficiency (C1)
• Modality: Remote

• →Website Development & Maintenance: Build, launch, and maintain responsive B2B websites, service pages, landing pages, content pages, and reusable modules
• →AI Solutions & Integrations: Develop AI-powered website features, assistants, and workflows using LLM APIs, structured outputs, tool calling, and external data sources
• →Marketing Technology Integrations: Connect websites with CRM, analytics, forms, automation platforms, and third-party systems through APIs and webhooks
• →CRO & Opportunity Analysis: Analyze user behavior and website performance, identify conversion opportunities, and implement experiments and prioritized improvements
• →Performance, SEO & Accessibility: Optimize Core Web Vitals, technical SEO, structured data, accessibility, and cross-device functionality
• →Testing & QA: Test websites, integrations, AI features, and experiments to ensure accuracy, reliability, responsiveness, and proper tracking
• →Technical Collaboration & Documentation: Translate business and marketing requirements into technical solutions, collaborate with cross-functional teams, and document integrations and deployment processes

• Advanced English proficiency (C1-C2)
• 3+ years of professional web development experience
• Strong proficiency in HTML, CSS, JavaScript, and responsive development
• Experience with WordPress, Webflow, HubSpot CMS, or similar CMS platforms
• Experience with React, Next.js, Vue, or another modern JavaScript framework
• Experience integrating REST APIs, webhooks, forms, and third-party platforms
• Hands-on experience integrating LLM APIs and developing AI-powered features or workflows
• Experience with prompt engineering, structured outputs, tool calling, RAG, AI evaluations, guardrails, and monitoring AI solutions for quality and reliability
• Experience with Git, staging environments, deployments, debugging, and QA
• Ability to work independently and manage multiple development projects simultaneously
• Experience with Node.js, Python, or a similar backend technology, including API development and database integrations
• Familiarity with SQL or NoSQL databases such as PostgreSQL, MySQL, or MongoDB
• Hands-on experience using AI-assisted development tools such as Cursor, Claude Code, Codex, or GitHub Copilot, including reviewing and refactoring AI-generated code
• Portfolio, GitHub profile, case study, or comparable evidence of a web development project that includes an AI-powered feature or integration
• Experience with React, Next.js, Vue, or another modern JavaScript framework

• Previous experience in a marketing agency or B2B environment
• Basic to intermediate knowledge of backend and server-side security, including authentication and authorization, secure API and endpoint handling, input validation, secrets and environment variable management, and secure deployment practices.
• Experience working with international teams or clients
• Familiarity with CRM and MarTech platforms such as HubSpot or Salesforce
• Experience with CRO, GA4, Google Tag Manager, or user behavior tools
• Knowledge of technical SEO, Core Web Vitals, accessibility, and website performance
• Experience with cloud or deployment platforms such as Vercel, AWS, Cloudflare, or Docker