Join Vonage and help us innovate cloud communications for businesses worldwide Vonage Communications APIs:
As an emerging leader in the $10B+ communications API market, we empower integral brands to connect better with their customers, employees, and partners through transformative communications experiences. For example, Vonage API solutions empower organizations to build their custom omnichannel communications structure. This allows them to reach and engage customers on their preferred schedule and channel — including voice, video, and messaging. Think of a rideshare service instantly connecting with customers, hospital staff conducting remote monitoring, customers verifying their identity before completing a purchase, AI virtual agents servicing customers around the clock, and much more.
Why this role matters:
The Engineering team at Vonage is a group of talented engineers working on complex challenges associated with high-performance distributed systems and processing large volumes of data in real time.
We are looking for Software Engineers to join our dynamic development team.



As a key contributor, you will play a vital role in building out our RCS channel functionality.
Your key responsibilities:
Build high-throughput, low-latency applications to meet communication use cases.
Create scalable microservices that will help support our impressive growth
Write efficient and scalable code in well-tested systems
Collaborate with cross-functional teams to ensure seamless integration and functionality.
Propose scalable, maintainable and cost-effective solutions
Estimate the effort required to develop and implement new features
Develop and execute effective testing strategies to ensure software quality and reliability
What you'll bring:
Excellent software engineering skills in Kotlin/Java for backend services
A strong focus on testing, with a customer-first mindset
Experience with multi-threaded architectures, web services, and caching.
Practical experience in deploying c

📌 Senior Software Engineer (Madrid)
🏢 Vonage
📍 Madrid