About the companySKELAR is a venture builder that builds international IT product companies according to the rules of the venture capital world. Together with co-founders, it assembles strong teams to launch tech businesses and win in global markets.They are currently looking for an Automation AI Engineer. They are Leaply, an ecosystem of digital and physical products designed to help people build healthy habits and improve their quality of life. They operate in global markets (the US, Tier 1, Europe, and beyond).In June 2024, they launched a habit-building app with subscription-based monetization and performance-first marketing (Meta, Google, TikTok). Within the first two months, they achieved positive unit economics and are now on track to grow 10x by the end of the year.What you’ll doBuild and evolve a unified marketing technology platform—more than a collection of tools, a cohesive system that directly drives business performance.Take full ownership of 5+ existing services (Hokuto, UA automation, Creo Factory, Revealbot, Creo-translate): evaluate their current state, identify architectural bottlenecks, and systematically improve reliability, scalability, and maintainability.Develop and maintain production-grade integrations with Meta / TikTok / Google with robust error handling, rate limiting, retries, and clear monitoring to prevent silent failures.Redesign tracking architecture by shifting from client-side to server-side (CAPI pattern for Facebook and similar platforms), implement proper test coverage, and build tools so Growth Managers can independently configure tracking for their funnels.Eliminate manual operational workflows (e.g., in Airtable) and enable marketing teams (UA managers, designers, growth managers) to operate independently without engineering support for routine tasks.Proactively identify and implement new martech solutions before they become bottlenecks—shaping the long-term vision of the domain and driving technical and product priorities.RequirementsThis role is for you if...Must-have3+ years of commercial backend development experience.Node.js / TypeScript as the main stack.Strong experience building reliable API integrations, including error handling, rate limiting, retries, and webhooks.GCP experience (e.g., Cloud Functions, Cloud Run, BigQuery, Firestore, or similar).Systems thinking—able to see the system beyond individual tasks; independently designs architecture and defines development priorities.High level of autonomy—does not require a PM to define tasks; identifies problems and proposes solutions independently.Ability to collaborate with non-technical stakeholders (UA managers, designers, growth managers).Ownership mindset—proactively identifies risks, drives solutions, and thinks in terms of business impact.Uses AI as part of their workflow to move faster and think broader.Nice-to-haveExperience with Meta Business SDK / TikTok Marketing API / Google Ads API.Understanding of performance marketing (ROAS, CAPI, pixels, attribution).Experience building server-side tracking (e.g., Facebook CAPI or similar).Experience with marketing automation tools (Airtable automations, Make/Zapier, or custom solutions).Experience working on B2C subscription products with aggressive performance marketing.What we offerAn environment for self-realization where people can create successful companies (“the next big everything”).8 infrastructure teams to help close issues (recruiting, communications, finance, legal).A community of founders who have launched more than one business and share practical experience.Internal clubs by professional areas (marketing, development, finance, recruiting, brand ambassadorship).Trainings, courses, and attending conferences.Health insurance.