Empleos de senior backend software engineer en Madrid

Aircall is a unicorn, AI-powered customer communications platform used by 22,000+ companies worldwide to drive revenue, resolve issues faster, and scale customer-facing teams. We’re redefining customer communications by bringing voice, SMS, WhatsApp, and AI together into one seamless workspace.Our momentum comes from a simple idea: help teams work smarter,...

Aircall is a unicorn, AI-powered customer communications platform used by 22,000+ companies worldwide to drive revenue, resolve issues faster, and scale customer-facing teams. We're redefining customer communications by bringing voice, SMS, WhatsApp, and AI together into one seamless workspace. Aircall is headquartered in Paris, our European HQ, with a...

Aircall is a unicorn, AI-powered customer communications platform used by 22,000+ companies worldwide to drive revenue, resolve issues faster, and scale customer-facing teams. We’re redefining customer communications by bringing voice, SMS, WhatsApp, and AI together into one seamless workspace. Our momentum comes from a simple idea: help teams work...

Overview In this role you will shape a high-performing, distributed backend platform that handles recipe execution, events, and jobs. You'll work with a cross-functional team to scale and secure complex systems, balancing performance, durability, and concurrency. This is a mission-critical position at a leading software company offering strong compensation...

Overview In this role you will shape a high-performing, distributed backend platform that handles recipe execution, events, and jobs. You'll work with a cross-functional team to scale and secure complex systems, balancing performance, durability, and concurrency. You'll contribute across the full development lifecycle, improving the core engine and...

Job Reference: -1 Date Posted: 9 September 2026 Recruiter: Coberon Chronos Location: Spain Remote Working: 100% remote working possible Salary: On Application Sector: Engineering, IT & Tech Job Type: Permanent, Full-time, Home-office based, W2, Remote Email: for this job now Job Description Our client is a world-class American B2 B software company, a...

Senior Backend Software Engineer (Java/Kotlin) Key Highlights Salary up to €65,000 Hybrid working – 3 days onsite in Madrid Work with Java, Kotlin, Cloud Technologies and Distributed Systems Join a high-performing engineering team building scalable, cloud-native applications About the Client Due to continued growth, we’re looking for a Senior Backend...

Senior Backend Software Engineer (Java/Kotlin) Key Highlights Salary up to €65,000 Hybrid working – 3 days onsite in Madrid Work with Java, Kotlin, Cloud Technologies and Distributed Systems Join a high-performing engineering team building scalable, cloud-native applications About the Client Due to continued growth, we’re looking for a Senior Backend...

Aircall is a unicorn, AI-powered customer communications platform used by 22,000+ companies worldwide to drive revenue, resolve issues faster, and scale customer-facing teams. We're redefining customer communications by bringing voice, SMS, WhatsApp, and AI together into one seamless workspace.Our momentum comes from a simple idea: help teams work smarter,...

Mercor is recruiting expert US/Europe-based senior SWEs for a highly challenging project with a leading foundational model AI lab. You are a good fit if you: Have 10+ years of experience working at top US tech firms Are passionate about improving model capabilities at complex SWE tasks About the role You must be able to commit around 20 hours per...

Madrid Office Aircall is a unicorn, AI-powered customer communications platform used by 22,000+ companies worldwide to drive revenue, resolve issues faster, and scale customer-facing teams. We're redefining customer communications by bringing voice, SMS, WhatsApp, and AI together into one seamless workspace. Our momentum comes from a simple idea: help teams...

OverviewSi desea conocer los requisitos para este puesto, siga leyendo para obtener toda la información relevante.At ING we are looking for a Software Backend Engineer to join ING. Your Role And Work Environment: We are looking for a talented and enthusiastic Software Backend Engineer to join ING.Responsibilities- Design, develop and test the code that...

Aircall is a unicorn, AI-powered customer communications platform used by 22,000+ companies worldwide to drive revenue, resolve issues faster, and scale customer-facing teams. We’re redefining customer communications by bringing voice, SMS, WhatsApp, and AI together into one seamless workspace.Our momentum comes from a simple idea: help teams work smarter,...

Overview Join to apply for the Backend Software Engineer role at Seedtag .We're looking for a Backend Software Engineer to join our team and help shape the future of contextual advertising as we continue to expand globally.Who We AreEvery day, our teams develop new services that reach over 200 million users worldwide with fast response times to ensure that...

Madrid Office Aircall is a unicorn, AI-powered customer communications platform used by 22,000+ companies worldwide to drive revenue, resolve issues faster, and scale customer-facing teams. We're redefining customer communications by bringing voice, SMS, WhatsApp, and AI together into one seamless workspace. Our momentum comes from a simple idea: help teams...

Senior Software Engineer - Nivoda Capital - (Remote - Spain) One of our partner companies is currently seeking a Senior Software Engineer - Nivoda Capital in Spain . This role offers an exciting opportunity for a seasoned backend engineer who thrives in fast-paced environments and is passionate about building impactful financial technology. You will play a...

Ring is looking for a Software Development Engineer who will help us create the next generation of apps, and services. In this role, you will work as a part of the Ring backend team working closely with a cross-functional team of engineers, and product managers to design, test, learn, and iterate on solutions in a fast-paced environment. Ring is looking for...

Ring is looking for a Software Development Engineer who will help us create the next generation of apps, and services. In this role, you will work as a part of the Ring backend team working closely with a cross-functional team of engineers, and product managers to design, test, learn, and iterate on solutions in a fast-paced environment. Ring is looking for...

Aircall is a unicorn, AI-powered customer communications platform used by 22,000+ companies worldwide to drive revenue, resolve issues faster, and scale customer-facing teams. We’re redefining customer communications by bringing voice, SMS, WhatsApp, and AI together into one seamless workspace. Our momentum comes from a simple idea: help teams work...

Overview In this role you will drive AI-powered feature development for ClickHouse Cloud, spanning backend inference services to user-facing interfaces. You will join a high-performance database platform and help integrate AI capabilities that empower users to extract value from their data. You will shape end-to-end implementations, from inference APIs to...