Senior Developer – AI-driven Refactoring

About Altimi Altimi is a technology acceleration partner with impressive experience spanning over 20 years, specializing in the successful delivery of software development projects for international customers. We are based in Poland. Our main area of operation is the DACH region and Scandinavia, where we are known for providing top-notch software development services. Our primary focus are managed services for companies seeking to accelerate growth, solve complex tech problems, build MVP/POC and/or modify legacy infrastructures. The main area of competence include Product & Application Engineering, DevOps, Cloud Security & Managed Services and AI & Data Enablement. Role Overview We are looking for a Senior Developer with hands-on experience in AI-supported code refactoring to join a strategic project for a European EdTech leader. The client runs a large-scale self-learning mobile platform that has served 2M users to date, with around 100k monthly and 50k daily active users. You will help migrate the platform from a PHP/Laravel, SQL-heavy application to a headless React + Node.js architecture with a fast database, using AI tooling to speed up the process. A key part of the work is the automated migration of learning content, so that learners keep a seamless experience throughout the transition. You will also take part in client meetings, so communication skills matter as much as coding. Responsibilities Migrate business logic from PHP/Laravel to Node.js, using AI refactoring tools to accelerate the workRewrite and optimize SQL logic and support data migration to the new databaseBuild automated pipelines for migrating learning contentDevelop frontend components in ReactVerify AI-generated code: testing, code review and ensuring functional parity with the old systemWork closely with the Solution Architect and take part in technical discussions with the clientShare findings and best practices for AI-assisted development within the team Requirements 5+ years of experience in software developmentCommercial experience with PHP/Laravel and strong proficiency in Node.js and ReactExperience with Google Cloud Platform services (e.g. Cloud Functions, Pub/Sub, Firestore)Proven, practical experience with AI-assisted refactoring tools (e.g. Cursor, GitHub Copilot, Claude Code) in a migration or legacy projectStrong SQL skills and experience with complex database logicExperience with automated testing and CI/CDConsultant mindset: experience working directly with clients, joining technical discussions and clearly communicating progress and trade-offsFluent English (spoken and written) Nice to have Experience with React Native or mobile app backendsExperience in EdTech or e-learning platforms Whats in it for you? Join for a role, stay for the development: More than 40% of our team is working with us longer than 5 years. Explore diverse domains, projects and modern technologies through internal mobility.Learn from the best: Almost 60% of all our colleague has over 10 years of professional experience.Flexibility: Work fully remotely, full-time from our office in Wroclaw or in a hybrid model.Practical benefits: private medical care, life insurance, sport card.