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Qureos
Our backend powers complex workflows across jobs, interviews, sourcing, and AI-driven insights. As we expand these capabilities, we’re strengthening our architecture and introducing new patterns to support scale and speed. We’re hiring a Senior Backend Engineer who enjoys solving real product challenges, shaping reliable systems, and helping a team level up.
Your work will influence how our backend grows — improving performance, modularity, and developer experience — while delivering new features that matter to our customers.
This is a role for someone who values doing the right thing, moves with high velocity, communicates clearly.
Build backend features using Node.js / NestJS with clean, scalable patterns
Improve backend structure, modularity, and data flows
Implement API endpoints and business logic with clarity and maintainability
Review code and guide engineers toward better patterns
Collaborate with frontend, product, and AI teams to design efficient solutions
Identify small improvements that increase developer velocity
Strengthen error handling, validation, and domain clarity across the backend
Help the team avoid new tech debt while delivering fast
Strong experience with NestJS
Deep understanding of backend architecture patterns:
Modular monolith
Service + repository layering
Dependency injection
DTOs & validation
Solid experience designing reliable, high-quality APIs
Strong debugging, problem-solving, and code-organization skills
Ability to guide other developers and establish patterns
Experience with PostgreSQL, and MongoDB
Experience improving backend performance or resolving bottlenecks
Experience in event-driven or modular architectures
Experience in AI-powered products (Claude, Cursor, Copilot)
