Job Description
Senior Martech Engineer
Efí Bank
• Implement and manage tracking using GTM, GA4 and the Data Layer, ensuring data quality, consistency and persistence (UTMs, events and user journeys); • Design, document and standardize architecture and event taxonomy, and create scripts for data capture and enrichment; • Build integrations between CRM, CDP, advertising platforms and web applications using APIs, webhooks and tools such as n8n, Zapier or similar; • Develop data pipelines and automated workflows with a focus on scalability and operational efficiency; • Use Cursor, LLMs (such as ChatGPT and APIs) and other AI solutions for code generation and review (JS, integrations, scripts), troubleshooting, accelerating deliveries, personalizing journeys, intelligent automations and data enrichment; • Develop and optimize web pages and components (Webflow, custom code or frameworks), applying best practices for loading (lazy loading, async) and continuously improving performance and Core Web Vitals; • Integrate and evolve tools such as GA4, GTM, Branch.io, Amplitude, Salesforce, Marketing Cloud and Databricks, ensuring best practices, governance, scalability and enabling teams to activate data and journeys; • Work with SQL for data exploration and structuring, supporting modeling, business metrics and attribution and ROI analyses; • Implement A/B tests and experiments, support personalization strategies and continuously optimize funnels and conversion.
Job Requirements
- Bachelor’s degree (completed);
- Experience with GTM, GA4 and advanced tracking;
- Proficiency in JavaScript, HTML and CSS;
- Experience with integrations (APIs, webhooks, automations);
- Experience with CRM systems (Salesforce or similar);
- Experience with automation tools (Zapier, n8n or similar);
- Experience with UTMs, attribution and conversion funnels;
- Knowledge of SQL and data modeling;
- Practical use of Cursor or AI-first tools;
- Experience with n8n or advanced low-code automations;
- Experience integrating AI into workflows (APIs, agents, etc.);
- Knowledge of CDPs (Segment, mParticle, etc.);
- Experience with CRO and experimentation;
- Experience in growth/performance marketing environments;
- Knowledge of technical SEO.
Benefits
- 32-hour workweek: We offer a 32-hour weekly schedule for employees with time tracking;
- Co-pay health plan for employees and dependents;
- Clude Saúde: online medical care and other health solutions;
- Co-pay dental plan for employees and dependents;
- Meal and food allowance on the Eva Card flexible benefits card with an average value of R$ 1,600.00 per month;
- Wellhub: corporate physical activity platform focused on quality of life and wellbeing, providing access to partner gyms and studios for employees and dependents;
- Home-office allowance of R$ 140.00 per month;
- Infrastructure to support remote work;
- Birthday day off;
- Corporate University;
- Tuition assistance for employees and dependents, according to company policy;
- Language course subsidy for employees, according to company policy;
- Extended maternity leave of 7 months and extended paternity leave of 30 days, also supporting adoptive parents;
- Life insurance;
- Emotional health program and discounted psychological care for employees and dependents via the Moodar platform;
- Employee Benefits Club with exclusive discounts and partnerships for Efí employees.
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