CareerPlan

Senior Full Stack Engineer

Kaunas OfficeFull-time€50k–€53k2026-10-30 → 2026-11-10
Hybrid

Core

Build consent-aware tracking and conversion event services for web booking journeys, processing data from entry points to reservation confirmation for marketing partners.

Role type

Senior Full Stack Engineer (AdTech/Marketing Data)

Builds

Consumer web tracking and conversion event service, partner integrations, reservation systems

Domain

Hospitality technology, marketing attribution, data pipelines

Required skills

Java, TypeScript, React, GraphQL, API/SDK integration, data pipeline development

Preferred skills

paid media measurement, conversion tracking, marketing attribution, event-driven services, privacy-aware tracking, data quality debugging

Technologies

Java, TypeScript, React, GraphQL, Sojern, Amadeus, Meta, Google, TikTok, Snapchat, Reddit

Responsibilities

Build consent-aware tracking across web booking journeys; Extend conversion event service to process booking events; Build or improve integrations with external partners; Trace and improve data flows across frontend, backend, and pipelines; Work in reservation systems to close data gaps; Partner with product, commercial, marketing, and engineering teams to define measurement needs and monitor data quality.

Seniority

Senior, hands-on IC