Senior Web Developer

Job Description Roles & Responsibilities Product & Delivery Prioritize, plan, and deliver new LPs, variants, and market/operator adaptations with fast time-to-market and stable quality. Build and maintain a CRO experimentation backlog: hypotheses, variants, success criteria, A/B testing calendar. Standardize winning UX patterns into reusable templates, components, and QA checklists. Technical Excellence (Performance & Quality) Guarantee ultra-light, high-performing pages (minimal weight, optimized requests), fully responsive and cross-device. Organize code reviews, systematic QA (functional + analytics), post-mortems, and incident follow-ups. Stay up-to-date on technical innovations (web performance, operator compatibility, security, antifraud) and benchmark competitors. CRO & Data-Driven Optimization Design and execute A/B tests at scale, analyze results with the Data team, and industrialize winning variations. Continuously optimize copywriting, visual hierarchy, micro-interactions, and payment/consent funnels. Build actionable performance dashboards (per country, offer, acquisition source). Team Management & Development Provide structure and clarity: rituals (daily/weekly), objectives, ownership rules, definition of done. Coach and develop team members: skill progression, peer programming, knowledge sharing. Select and manage external providers when needed (peak workloads, design, illustrations). Governance & Communication Act as the daily interface with Advertising (traffic needs, iterations), Product (post-signup handoff), IT (billing, operator specs), BizOps (country priorities), and Data (tracking, modeling). Provide regular reporting to the Regional Operations Director (business) and the MarTech Director (methodology, standards, best practices). Desired Candidate Profile Experienced web developer oriented towards CRO/Business, able to lead a team and drive iterative delivery. 8-10 years of overall professional experience, with at least three years of proven experience leading and managing a team. Proficient in vanilla JS, HTML5/CSS3, PHP, with knowledge of Memcached and API/AJAX calls. Strong expertise in web performance optimization (network, rendering, minimal bundling). Solid understanding of A/B testing and analytics (ideally Snowplow) with ability to interpret acquisition KPIs. Pragmatic leadership: sets the pace, makes decisions, documents, and drives alignment. Strong cross-functional communication, results-oriented, and highly autonomous. Company Industry IT - Software Services Department / Functional Area IT Software Keywords Senior Web Developer Get real-time job updates only on our App