Senior Frontend Developer (Next / Vue / Ad-Tech)

🌍Work mode: remote.💰Rate: 140 -160 PLN/h on B2B.⏰Start: ASAP/ 1 msc.⏳Project length: 6 months + extensions.📕Project language: English.⚙️Industry: AdTech.💼 Workload: Full time.⚙️ Recruitment process -1 technical interview.💻 Equipment: work on own equipment.Summary:The role of the Senior Frontend Developer focuses on leading the development of high-performance frontend applications within the Ad-Tech domain, leveraging modern JavaScript frameworks.Main Responsibilities:Develop and maintain self-serve advertising platforms.Implement campaign management & booking flows.Actively contribute to pricing logic & financial calculations.Integrate SSP/DSP or programmatic components.Create and manage reporting & validation-heavy interfaces.Key Requirements:Proficient in Nuxt (Vue 3).Strong command of TypeScript, including Generics and Interfaces.Experience with Pinia for state management.Knowledge of PrimeVue 4 and Tailwind CSS.Familiarity with AJV / Zod validation libraries.Skillful in dayjs & decimal.js.Experience with domain-driven architecture and performance optimization.Nice to Have:Experience with Nuxt Layers and modular architecture.Familiarity with the Mapper pattern (DTO → Domain).Experience with ESLint 9.Other Details:Work Environment: Remote position with significant flexibility in working hours.Industry: Engaging in a dynamic Ad-Tech landscape.