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Senior Backend Engineer / Staff Engineer
Q-techCatalonia, SpainHace más de 30 días
Descripción del trabajoProven experience as a Senior Backend Engineer or Staff Engineer , with expertise in distributed systems, scalability, and real-time processing. Deep understanding of backend technologies such as Python , Kafka , WebSockets , and similar tools. Strong knowledge of concurrency , asynchronous programming , and low-latency system design . Experience working on large-scale systems , preferably in industries like video streaming, real-time communications, or SaaS platforms. A problem-solving mindset with a passion for tackling innovative and complex technical challenges. While not mandatory, familiarity with AI / ML technologies is a plus. Be part of something groundbreaking : Work on a product that combines AI, real-time systems, and sales automation to address a significant market need. High impact : As an early team member, your contributions will shape the future of the company and its technological stack. Collaborative environment : Join a team of highly skilled professionals who value creativity, innovation, and technical excellence. Competitive compensation : We offer attractive salaries aligned with international standards, equity options, and other benefits. Cutting-edge tech stack : Gain hands-on experience with state-of-the-art technologies and methodologies.
We are collaborating with an early-stage tech startup backed by top-tier investors from Silicon Valley, including one of the most prestigious venture capital funds in the world.
Their mission is to revolutionize the way businesses approach sales automation using artificial intelligence and conversational technologies .
Their team is currently small but highly talented , with a shared passion for solving complex technical challenges and driving innovation.
About the Role
We are looking for a Senior Backend Engineer or Staff Engineer to join the team and help them build scalable, real-time systems that power the platform. This is a great opportunity to work on advanced distributed systems, tackle low-latency problems, and contribute directly to the architecture of a product that will redefine an entire industry.
Key Challenges
- Design and implement scalable architectures capable of handling large volumes of data and high user concurrency .
- Optimize system performance to ensure real-time responsiveness for critical features.
- Solve complex problems related to distributed systems , such as managing Kafka partitions , WebSocket connections , and asynchronous event processing .
- Build robust infrastructure to support innovative AI-driven functionalities while maintaining reliability and efficiency.
What We’re Looking For
Why Join Us?
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Senior Backend Engineer • Catalonia, Spain
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