Full-stack Developer

As a leading ad tech company, we help publishers thrive in an increasingly challenging and complex digital world dominated by GAFAs.Our unique AI-based SaaS platform offers a range of products that help publishers optimize their revenue and operational efficiency.Over 100 prestigious customers in 20 countries, including industry leaders such as Microsoft, Dotdash Meredith, and Tripadvisor, use our solutions daily.TasksAre you a full-stack developer who loves delivering features from end to end?Would you like to work in a start-up environment for the leader in Adtech analytics, using cutting-edge tools like Claude Code to accelerate your workflow?If you enjoy working on problems involving large amounts of data, are curious, passionate, and care about delivering quality user experiences, join our team of talented developers.As part of the BUILD team, you'll be responsible for developing features across our products' full stack — from API design to user interface — with complete autonomy.No more silos: you own your features from start to finish.You will participate in technical design workshops, propose improvements, and work closely with the Product team daily, as well as with our data engineers and data scientists.MissionDeliver end-to-end features, from API design (Ruby on Rails) to user interface implementation (React), ensuring a seamless user experience.Collaborate closely with the Product team to understand requirements, propose solutions, and iterate on feedback.Optimize existing application code to improve performance and maintainability.Take the initiative to improve our architecture, design, and development workflows.Our stack200+ AWS instances (EC2, S3, SQS, Cognito)10 TB+ of data ingested every dayBackend: Ruby on Rails, Grape API, Sidekiq, Python, ScalaFrontend: React, TypeScript, Tailwind CSS, shadcn/uiDatabases: MySQL, MongoDB, Snowflake, Redis, ElasticacheTesting: RSpec, Jest, CypressDevOps: Git, GitHub, GitHub ARequirementsCore SkillsAI-Assisted Devel