Senior Backend Engineer (Security Domain)

About Framna At Framna, we partner with ambitious brands to build digital products that make a real impact. We work across the full product journey from strategy and UX to engineering and long-term growth, combining strong technical expertise with a product mindset. Our culture is built on trust, ownership, and collaboration. We value open communication, continuous learning, and teams that take responsibility for what they build. About the role & project We are working with our partner on a next-generation passwordless authentication platform used by millions worldwide. The product focuses on secure digital identity — combining biometrics, document verification, and data processing to enable seamless, one-tap access. Security is at the core of everything we build. We are looking for a Senior Backend Engineer who takes ownership end-to-end, from design and implementation to production. You will work on systems where performance, scalability, and security truly matter. This is a hands-on role for someone with strong engineering fundamentals and a high bar for quality. We value autonomy, thoughtful engineering, and a real focus on how systems behave in production. We follow a hybrid work model, with regular in-office syncs to stay aligned as a team. Preferred Skills & Qualifications • 6–8+ years of commercial experience as a backend or fullstack developer (backend-focused) • Strong proficiency in TypeScript • Solid experience with Node.js (NestJS) • Good understanding of secure backend design principles (e.g. authentication, authorization, data protection, API security) • Experience working with GCP or other cloud platforms • Strong knowledge of databases (SQL and NoSQL) • Solid understanding of HTTP, REST APIs, and web communication patterns • Experience with backend testing frameworks and testing strategies • Experience using AI tools effectively and responsibly in day-to-day development • Very good command of English and Polish What you will find at Framna • Real ownership and influence on the products you build • A focus on business value over technical perfection • Continuous feedback and open communication • Regular 1:1s and a mentoring program to support your growth • Internal workshops and knowledge sharing across teams • Flexible working hours (you can start between 7:00–10:00) • Hybrid model with regular in-studio syncs (Gdańsk, Wrzeszcz) • High-quality equipment, including MacBook and testing devices • Individual training budget • English classes in small groups Plus the essentials: • Private medical care (Compensa) and MultiSport • Team gatherings and shared moments beyond work If this sounds like your kind of environment, we would love to hear from you.