Role Description The Product Experience Engineer will lead the development of Sleek’s customer-facing digital experiences and growth-driven microsites. This role blends frontend engineering, performance optimization, and marketing automation - ensuring that Sleek’s web properties are fast, discoverable, analytics-integrated, and optimized for conversion. You’ll work closely with Product Design, Growth, and Marketing teams to build SEO-ready, CMS-integrated, and data-informed user interfaces that scale globally. Outcomes - Launch High-Performance Frontend Experiences - Deliver Sleek’s MTD landing page and web app frontend, ensuring performance scores above 90 on Lighthouse (Core Web Vitals compliant). - Develop responsive, accessible, and pixel-perfect UIs in React / Next.js / TailwindCSS aligned with Sleek’s design system. - Reduce initial page load time and optimize for SEO to improve discovery and user conversion. - Build an SEO and Analytics-Ready Microsite Framework - Develop a microsite framework for future product verticals with reusable layouts and modular content components. - Implement schema markup, meta optimization, and structured data to strengthen search visibility. - Enable the Growth team to launch microsites independently without dev dependencies. - Integrate CMS for Content Autonomy - Connect a headless CMS (Sanity / Contentful / Strapi) to Sleek’s marketing sites. - Empower non-technical teams to update content, landing pages, and campaigns autonomously. - Establish versioning, preview workflows, and rollbacks for content changes. - Implement Analytics, Tracking & A/B Testing Infrastructure - Deploy and configure Google Tag Manager, GA4, and Mixpanel for complete event tracking. - Implement A/B testing (Optimizely / VWO) to experiment with messaging, layout, and funnel optimizations. - Deliver actionable analytics dashboards and ensure event accuracy across web properties. - Build a Second Marketing Site for a New Product Vertical - Create and launch a secondary marketing site targeting Sleek’s next business vertical (aligned with the new marketing initiative). - Ensure brand consistency, SEO optimization, and analytics instrumentation. - Achieve measurable conversion metrics tied to campaign performance. Qualifications - Minimum of 4–6 years of total engineering experience, with 1–2 years specifically embedded within Marketing or Growth Engineering functions. - Strong frontend engineering mastery with React, Next.js, and TypeScript. - Strong capability in SCSS for high-fidelity UI; bonus points for expertise in TailwindCSS or Chakra UI. - Committed to code quality through rigorous unit testing using Jest. - Deep experience in SEO and performance optimization, with a proven track record of maintaining Lighthouse scores of 90+. - Strong integration capability with modern CMS platforms (Sanity, Contentful, or Strapi) and advanced analytics stacks, including Google Tag Manager and GA4. - Proven cross-functional delivery of data-driven, SEO-friendly web applications, including the setup and execution of A/B testing frameworks. - High ownership mindset with the ability to execute under ambiguity in a fast-paced, startup-like environment. - Experience with Zapier or other no-code automation tools to bridge the gap between engineering and marketing ops would be a bonus. Behavioural Fit - Ownership: Reliability and accountability are crucial; proactive in overcoming challenges. - Humility: Open-mindedness to feedback and willingness to learn from others. - Structured Thinking: Ability to show sound judgment in complex environments. - Data Driven: Use sound data to support strategies and review success. The Interview Process - Screening Call with Talent Acquisition: A ~30 minute screening call with our Talent Acquisition Lead. - Case Study: A ~60 minute chat with the Hiring Manager, discussing real-life challenges. - Technical Round: A ~60 minute chat with a member of the Technical Team to showcase technical skills. - Soft Skills Round: A ~45 minute chat with a member of the leadership team to discuss recent work situations. - Offer + Reference Interviews: A non-binding offer followed by calls with references. Requirement for Background Screening Please be aware that Sleek is a regulated entity and as such is required to perform different levels of background checks on staff depending on their role. This may include using external vendors to verify: - Your education - Any criminal history - Any political exposure - Any bankruptcy or adverse credit history We will ask for your consent before conducting these checks. Depending on your role at Sleek, an adverse result on one of these checks may prohibit you from passing probation.

• Develop large features & improvements as well as fixes and library upgrades • Write unit tests to maintain test coverage • Take initiative to identify improvements to the code structure towards better maintainability and testability • Drive coding best practices within the team • Conduct thorough and constructive code reviews to ensure quality • Actively participate in the agile development process • Write and review technical designs • Guide and mentor junior engineers • Contribute to cross-team discussions around processes and architecture improvements • Implement integrations with third-party services • Collaborate with peers to prioritize work and be in alignment with strategic goals

• Build advanced UI features using React, including custom CCP extensions and embedded agent tools • Design and optimize SQL data models supporting reporting, analytics, and operational workflows • Develop integrations using AWS Lambda, API Gateway, Step Functions, EventBridge, and Kinesis • Implement data ingestion and transformation patterns for CTRs and agent events • Build secure, scalable APIs and microservices aligned with AWS Well‑Architected principles • Participate in architectural design sessions for contact center modernization • Mentor developers and enforce engineering standards • Troubleshoot complex issues across UI, API, AWS services, and data layer • Support production troubleshooting across the full AWS stack

• Realizar entregas eficazes e com soluções inovadoras e contribuindo para a sustentabilidade do produto • Participar das cerimonias do time (planning, daily, retrospectiva) • Auxiliar no planejamento técnico • Revisar pull requests de frontend dos outros membros do time • Desenvolver soluções escaláveis • Disseminar conhecimento para os outros membros do time • Mentalidade digital, curiosidade por novas tecnologias e interesse em entender como a Inteligência Artificial pode transformar processos, experiências e resultados.