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Tech Lead - AI Agent Orchestration at Sinch. Sinch is pioneering the way the world communicates. More than 150,000 businesses — including Google, Uber, Paypal, Visa, Tinder, and many others — rely on Sinch’s Customer Communications Cloud to power engaging customer experiences through mobile messaging, voice, and email. . Whether you need to verify users or craft omnichannel campaigns, Sinch makes it easy. Our AI-infused Super Network, APIs, and applications ensure you can connect with your customers reliably and securely, at every step of their journey. . At Sinch we “Dream Big”, “Win Together”, “Keep it simple”, and “Make it Happen”. These values are our foundation! . As a . Tech Lead/Staff Engineer. you will play a key role in designing and building the next generation of our . AI-powered chatbot platform. . You will work in a dynamic, collaborative environment to develop scalable distributed systems that power real-time messaging and LLM-based applications. Your contributions will directly impact the efficiency, performance, and safety of AI-driven conversations at scale.. *Please apply your resume in English!. What You’ll Do. . . Lead the technical vision and strategy. for building a scalable . Gen AI-powered bot development platform. .. . Architect, design, and . drive the development. of complex distributed systems for . real-time AI interactions, workflow orchestration, and API integrations. .. . Provide . technical leadership. to a team of backend, frontend, and AI engineers, fostering a culture of . collaboration, innovation, and excellence. .. . Define and enforce . best engineering practices. , including high-quality code standards, testing strategies, and CI/CD workflows.. . Work closely with . AI/ML engineers. to integrate . LLMs and NLP models. into the platform efficiently.. . Guide decisions on . scalability, performance, security, and fault tolerance. in a high-traffic environment.. . Lead efforts on . observability, monitoring, and debugging. complex production issues.. . Mentor and . coach engineers. , helping them grow technically and professionally.. . Collaborate with . product managers, designers, and stakeholders. to translate business requirements into . scalable engineering solutions. .. . Stay ahead of industry trends and drive . continuous improvements. in technology choices and architecture.. . What We Look For. . . 8+ years of hands-on software engineering experience. , with a deep understanding of . distributed systems and scalable architectures. .. . Strong expertise in . backend development. using. Java, Node.js, or Go.. . . Proven experience in . leading technical teams and mentoring engineers. .. . Deep understanding of . microservices architecture, event-driven systems, and workflow orchestration. (e.g., . Temporal.io. ).. . Strong database expertise, with experience in . MongoDB, Cassandra, PostgreSQL, or other distributed databases. .. . Experience designing and deploying . highly available, low-latency, fault-tolerant. systems.. . Knowledge of . cloud platforms (AWS, GCP, Azure), containerization (Docker, Kubernetes), and CI/CD pipelines. .. . Strong problem-solving, debugging, and analytical skills, with a . pragmatic approach to technical decision-making. .. . Excellent . communication and leadership skills. , with the ability to collaborate effectively across teams.. . Nice to Have. . Experience with . AI-driven applications, NLP, or integrating Large Language Models (LLMs). is a plus.. . Hands-on experience working with . LLM fine-tuning, prompt engineering, or AI safety. .. . Experience with . real-time messaging systems (WebSockets, Kafka, RabbitMQ). .. . Frontend architecture experience using . React and TypeScript. .. . Contributions to . open-source projects. or active participation in the tech community.. . Company Location: Spain.