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Vonage

Software Engineer - Java / Kotlin (Mid Level)

Sorry, this job was removed at 02:13 a.m. (GMT) on Thursday, May 28, 2026
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In-Office or Remote
Hiring Remotely in Madrid, Comunidad de Madrid
In-Office or Remote
Hiring Remotely in Madrid, Comunidad de Madrid

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Join Vonage and help us innovate cloud communications for businesses worldwide!

Vonage Engineering Mission: Vonage is the emerging leader in the $100B+ cloud communications platform (CPaaS) market. Customers like Airbnb, Viber, Whatsapp, Snapchat, and many others depend on our APIs and SDKs to connect with their customers all over the world.

As businesses continue to shift to a real-time, customer-centric communications model, we are experiencing a time of impressive growth.

 Why this role matters

The Engineering team at Vonage is a fast growing group of talented engineers. They face multiple challenges associated with high performance, distributed systems, and processing large volumes of data in real time.

We are looking for a Software Engineer to help us develop a best in class real time platform for the Network APIs like Quality On Demand (QOD), Silent Authentication or Identity Insight.

What you will do

  • Build systems to add features across our Network API Platform
  • Create scalable microservices that will help support our impressive growth
  • Write efficient and scalable code, in well-tested systems
  • Develop on a public cloud infrastructure
  • Embed AI assisted engineering into daily practice to accelerate delivery and enhance outcomes
  • Proactively adopt emerging AI capabilities to improve workflows and shares best practices with the team

What we value

  • Being disruptive. Getting things done. With smart people. Enjoying knowing that the work we do is having a global impact by enabling never before imagined communications.
  • We have big goals, and we want the people who join us to be self-confident, focused on customers and delivery, and who are structured and committed in their approach. We iterate quickly, we fail fast, we take smart chances. We value those who will help us continue this spirit
  • Values matter at Vonage. We are on a mission to bring value for consumers and enterprises through global cloud based communications.
  • But just as important as delivering value is how we deliver that value.
  • We believe in integrity. Both personally and professionally. We believe in empowering our employees and are actively seeking entrepreneurs in training who want to help build something larger.
  • We have gotten to this point by being committed, passionate, and focused on getting things done. We need more people like us. If this appeals to you then we encourage you to apply.

The Stack

  • Java/Kotlin with Micronaut
  • AWS
  • Redis, DynamoDB
  • Docker, Kubernetes
  • Anything needed to achieve our goals

 What you will bring:

  • Excellent software engineering skills in Java
  • An excellent practical understanding of high performance, highly distributed computing
  • A strong focus on testing
  • An understanding of Object Oriented Design and standard design patterns.
  • Experience of multi-threaded, 3-tier architectures, web services and caching.
  • Experience dealing with event-driven pipelines.
  • Willingness to learn and use different technology/programming languages.
  • Experience working with public cloud. AWS would be advantageous
  • SQL / NoSQL
  • Practical experience of deploying code in a modern programming environment using tools such as Docker and Kubernetes LI-JM1

There’s no perfect candidate. You don't need all the preferred qualifications to make a valuable impact on our team. Our employees and customers come from diverse backgrounds, so if you're passionate about what you could achieve at Vonage, we'd love to hear from you.

To learn how we process your personal data during the recruitment process, please refer to our Privacy Notice

Who we are:

Vonage is a global cloud communications leader. And your talent will further help brands - such as Airbnb, Viber, WhatsApp, and Snapchat - accelerate their digital transformation through our fully programmable-based unified communications, contact center solutions, and communications APIs. Ready to innovate? Then join us today.

Note: The purpose of this profile is to provide a general summary of essential responsibilities for the position and is not meant as an exhaustive list. Assignments may differ for individuals within the same role based on business conditions, departmental need or geographic location. 

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