Senior Full-Stack Developer for Fintech Code Review

We are a Polish fintech company building a regulated real estate crowdfunding platform under the EU ECSP Regulation. Our licence application with the Polish Financial Supervision Authority (KNF) is in progress. We are looking for a senior developer to carry out an independent technical review of our existing platform. Scope of the review Code quality, architecture and maintainability Security and data protection Correctness of the core investment and repayment logic Cloud infrastructure and deployment (Google Cloud) A written report with prioritised findings and recommendations Long-term opportunity If the engagement goes well, we intend to offer a full-time position as lead developer once our licence is granted. Requirements 5+ years of full-stack development experience Proven experience with fintech, lending or investment platforms Strong background in application security and code audits Google Cloud experience Familiarity with financial regulation (ECSP, AML/KYC) is an advantage Based in the EU, with Polish being an advantage Willing to sign an NDA before receiving access