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Vonage

Senior Software Engineer

Work from Home - Spain
Level
Senior
Work type
Remote · Spain only

Not stated in the posting: salary, visa.

Open. First seen 23 October 2026.

About the role

Vonage's standard text

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 global 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
  • Strong database (NoSQL/SQL) experience
  • Experience with multi-threaded architectures, web services, and caching.
  • Practical experience in deploying code in a modern programming environment using tools such as Docker and Kubernetes
  • Willingness to learn and adapt to new technologies and programming languages.

The Stack

  • Language - Java/Kotlin primarily with Spring Boot Reactive
  • Cloud - AWS primarily
  • Kafka and Redis
  • Docker and Kubernetes

How you’ll benefit:

  • Private Medical Insurance
  • Group Pension Plan
  • Life Insurance and Group Personal Accident
  • Ericsson Care Line (EAP)
  • Discretionary Time Off (DTO)
  • Volunteer Time (VTO)
Vonage's standard text

#LI-YB1

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.

What this role asks for

Particular to this role

Docker · Kotlin · Microservices · NoSQL

Rare in Vonage's other 13 open postings.

67% of this description is written for the role. The rest is Vonage's standard text, folded away below.

Compared with Vonage's other open jobs.

The team: API BU Engineering HIRES STEADILY

This role is one of 6 open in API BU Engineering. 1 was posted in the last 30 days and the oldest in July: a team that hires all year rather than one being built.

WHAT THE TEAM WORKS WITH, ACROSS ITS POSTINGS

AWS (6 of 6), Kubernetes (6 of 6), Java (5 of 6), Kafka (5 of 6), Redis (5 of 6), Golang (4 of 6), PostgreSQL (4 of 6)

OTHER ROLES ON THIS TEAM

From the team and dates on Vonage's own job board.

Other openings for this role

2 open postings for this role in Work from Home - Spain, first posted 23 October 2026. The company is likely hiring for more than one position. None has been taken down and posted again.

Salary context

352 other open postings titled Senior Software Engineer state a salary: median USD 164,900 to USD 220,000 a year.

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