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We at Holycode are currently looking for a passionate and experienced Backend Lead Developer to join our team, GenTwo , a Swiss-based fintech company revolutionizing B2B financial product creation by enabling financial professionals to design and launch investment solutions with unprecedented ease, speed, and flexibility. At GenTwo they are building the next-generation investment platform to redefine how financial products are created, managed, and operated — from idea generation to issuance and redemption. At the core is a modular and scalable architecture powered by decentralized services and an event-driven design. Key Responsibilities: Architect and evolve a microservice-based platform, defining clear service boundaries and progressively extracting functionality from existing monolithic components. Design and implement a decentralized event-driven systems using event sourcing, message brokers, and asynchronous communication to enable reliable service interactions. Develop on our cloud-native Azure stack using Node.js / TypeScript. Build atomic services that react to business events and support parallel task execution. Contribute to task-based, role-driven UI experiences via modular micro-frontends. Integrate AI agents for automation and coding acceleration. Your Profile: This role requires a hands-on approach to software development, including architectural design and active coding. Proven experience leading the design and implementation of microservice architectures — from domain modeling and service decomposition to inter-service communication. Strong background in event-driven systems , event sourcing, and message-based integration (e.g., Kafka, RabbitMQ, Azure Event Hub, etc.). Expert in Node.js / TypeScript on a cloud-native stack (preferably Azure). Solid communication skills — able to collaborate effectively with developers and stakeholders Ability to balance strong technical depth with pragmatic decision-making Bonus : Knowledge of financial products or