Java Software Engineer

Vonage · Work from Home - Spain · Engineering

Posted 2026-07-30

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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 growing group of talented engineers. They face multiple challenges associated with high performance, distributed systems, and processing large volumes of data in real time.

The Vonage Verify API team is looking at expanding its size, in order to accelerate our product development to support our growing customer base, with a particular focus on adding new channels, enhanced anti-fraud measures and integration with Networks APIs to our next-generation two-factor authentication platform.

Our Engineers work on an exciting mix of both greenfield and existing projects, giving them an opportunity to explore new technologies.

What you will do:

Create scalable microservices that will help support our impressive growth

Propose scalable, maintainable and cost effective solutions

Estimate the effort required to develop and deliver new product features

Implement and execute effective testing strategies, including unit tests, integration tests, and end-to-end tests, to ensure software quality and reliability

Design and develop approaches to measure, evaluate and improve service quality

Participate in code reviews, provide constructive feedback to peers, and actively contribute to maintaining a high standard of code quality and development practices

Contribute to the documentation of the components, design patterns, and the design system to facilitate knowledge sharing and onboarding of new team members

Stay up-to-date with industry trends, best practices, and emerging frontend technologies, and share knowledge and expertise with the development team to continuously improve our development processes and standards

Tech Stack

Microservices architecture

Go, Java, Kotlin

Spring Boot, Webflux, Reactive

AWS

Kafka

Redis, PostgreSQL

Docker, Kubernetes, Helm

Grafana, Prometheus, ELK stack

Anything needed to achieve our goals

What you'll bring:

Excellent software engineering skills for backend services

Work closely with cross-functional teams such as Engineering, Operations, and Product Management to ensure seamless integration of new features and services with a focus on reliability, scalability, and performance

Effective communication skills, both verbal and written, with the ability to collaborate with multidisciplinary teams and articulate complex technical concepts to non-technical stakeholders.

A strong focus on testing

An understanding of object oriented design and standard design patterns

Strong experience of multi-threaded, 3-tier architectures, web services, caching, and dealing with event-driven pipelines

Willingness to learn and use different technologies and programming languages

First hand knowledge of Continuous Deployment tools and methodologies

Experience working with public cloud. AWS would be advantageous

Experience with SQL and NoSQL databases

Practical experience of deploying code in a modern programming environment using tools such as Docker, Helm 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)

#LI-AR1

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