Senior Backend Engineer – AI Platform

Lansweeper in Alicante is seeking a Senior Software Engineer who writes production-quality Go or Rust and designs distributed backend systems at scale. You will work on AI-assisted development, integrate AI/ML capabilities into product workflows, and mentor peers while collaborating with a 40-engineer Spain team. This hybrid role offers three days in the...

Aircall, a unicorn AI-powered customer communications platform, is hiring a Senior Backend Engineer in Madrid. You will design, build, test, and deploy backend systems using Type Script/Node.js with a strong emphasis on security, scalability, and performance. Collaborate with product managers, designers, and engineers to deliver end-to-end solutions, mentor...

T-Systems Iberia sucht einen Senior Backend Engineer, der zentrale Plattform-Services, API-Design und robuste Microservices für skalierbare KI-Infrastruktur entwickelt. Sie arbeiten eng mit ML-Infrastrukturteams zusammen und verantworten Sicherheit, Observability und CI/CD. Sie verfügen über umfangreiche Python-/API-Entwicklung, verteilte Systeme,...

Shalion is seeking a Senior Backend Engineer to lead backend initiatives across multiple products and shape the technical roadmap. You will manage one backend engineer from day one and guide the team as it grows, balancing hands-on architecture with leadership responsibilities. The role emphasizes product-focused engineering, AI-enabled automation, and close...

bsport is seeking a Senior Backend Engineer to join the Community & Engagement team, building backend systems powering marketing and communications for studios worldwide. You will work on agentic AI initiatives, the marketing suite, and data foundations to enhance scalability and channel integrations. You will design and evolve backend architectures,...

Allianz Partners in Madrid is seeking a skilled Backend Engineer to join their Advanced Analytics team. The role offers a chance to build AI foundations and services, collaborating closely with cross-functional teams. The ideal candidate has over 5 years of backend engineering experience, proficiency in Python and cloud-native solutions with Docker and...

Click House is seeking a skilled software engineer to build AI-powered features across the full stack, from backend inference to intuitive frontend interfaces within the Click House Cloud platform. You will create robust APIs, integrate AI/ML models, and maintain ecosystem integrations while ensuring production-grade quality with monitoring and...

Sinch AB in Spain is seeking a Senior Software Engineer for the Context Storage team to design, build and own the core data platform that captures, persists, and serves conversational context to AI agents operating across SMS, WhatsApp, and voice at scale. You will work on Go services, Kafka and DynamoDB on AWS, with a focus on event-driven pipelines, data...

Pluxee invites a Senior Backend Engineer to join the Payments Squad, building resilient, high-volume backend services for global money movements. You will own critical components, implement robust tests, and collaborate with frontend and product teams. You thrive in distributed systems, apply AI-assisted development, focus on data consistency, idempotency,...