We are building a purpose-driven digital marketplace that helps people find the homes, cars, and services they truly need — faster, smarter, and more intuitively. We're seeking a passionate and experienced Senior Backend Developer to join our team.This is a chance to make a real impact by building robust, high-performance APIs and scalable backend architecture. If you're a self-starter with a passion for clean code and a desire to help people, we want to hear from you. What you’ll do:Design, develop, and maintain complex and scalable backend systems.Build and expose high-performance and reliable APIs.Work with event-driven architectures using RabbitMQ for distributed processes.Design and optimize queries and data architecture in PostgreSQL.Work with large-scale data, identify bottlenecks, and design smart algorithmic solutions.Collaborate closely with Frontend, Data, and Product teams to translate business needs into robust technical architecture.Write clean, secure, OOP-based code, following best practices and security standards. What we’re looking for:7+ years of experience in backend development in complex production environments.Strong expertise in .NET Core (C#) and Entity Framework.Hands-on experience with RabbitMQ and event-driven architectures.Solid knowledge of PostgreSQL, including schema design, complex queries, and performance optimization.Strong understanding of problem-solving and algorithmic complexity (Big O, data structures, scalability).Experience working with distributed systems and cloud infrastructures – a plus.Ability to work independently while thriving in cross-functional teams.System-level thinking, creativity, and a passion for writing clean, maintainable code.