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15 days ago
Requirements and responsibilities
About the roleSKELAR is a venture builder that builds international IT product companies. Together with co-founders, they assemble strong teams to launch tech businesses and win in global markets.They are currently looking for a Backend Engineer (MarTech). 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 an app focused on habit-building using subscription-based monetization and a performance-first marketing approach (Meta, Google, TikTok). The company achieved positive unit economics and aims to grow 10x by the end of the year.What you’ll doBuild and evolve a unified marketing technology platform that drives business performance as a cohesive system.Take full ownership of 5+ existing services (Hokuto, UA automation, Creo Factory, Revealbot, Creo-translate): evaluate current state, identify architectural bottlenecks, and systematically improve reliability, scalability, and maintainability.Develop and maintain production-grade integrations with Meta / TikTok / Google, including 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.This 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 (Cloud Functions, Cloud Run, BigQuery, Firestore, or similar).Systems thinking—able to see the system beyond individual tasks; independently design architecture and define development priorities.High 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 identify risks, drive solutions, and think in terms of business impact.Use AI as part of your 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.About SKELARSKELAR positions itself as an environment for self-realization for people who can create successful companies. They created opportunities within their venture builder, including infrastructure teams (recruiting and communications, finance and legal), a community of founders who have launched multiple businesses, internal clubs by professional areas (marketing, development, finance, recruiting, brand ambassadorship), trainings/courses/conference attendance, and health insurance.
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