Software Engineer- Java / C++ (Mid Level)

Software Engineer - Java / C++ (Mid Level)
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Barcelona, Spain

Join Vonage and help us innovate cloud communications for businesses worldwide!
Why this role matters

We’re seeking a Software Engineer to join our Cloud Engineering team and help drive innovation across the Vonage Video Platform. This role will focus on enhancing our PaaS backend systems, improving cloud resource control and provisioning, and contributing to scalable architecture design and distributed computing solutions.

As part of the team, you’ll contribute to both new feature development and backend system improvements, with a strong focus on quality, fault tolerance, and performance. You’ll gain hands‑on experience with real‑time communications, and use data to help improve how we build and scale our services.

This is a great opportunity to grow your skills by working on large‑scale, highly available systems alongside a team of experienced engineers who are passionate about cloud infrastructure, media technologies, and real‑time communication.

Your key responsibilities

• 
  
• Hands‑on software development and system design.
  
• Implement new features for the cloud‑based API Gateway, Media Control, and Signalling systems for the Vonage Video Platform.
  
• Contribute toward software architectures for a highly distributed network application, resource optimization strategies, and real‑time stream/message processing.
  
• Design and develop approaches to measure, evaluate, and improve service quality.
  
• Collaborate on projects involving signalling fabric and coordinate with other teams.
  

What you’ll bring

• 
  
• Strong Java 17 and / or C++ coding skills, and willingness to learn more languages.
  
• Understanding of memory management, garbage collection, and concurrency.
  
• Excellent debugging and problem‑solving skills.
  
• Good understanding of algorithms and data structures.
  
• Track record of delivering high quality code in a fast‑paced environment.
  
• Proficiency in the Netty framework for high‑performance network programming.
  
• Strong experience with Spring Boot for building scalable and robust APIs.
  
• Hands‑on expertise with message brokers such as Apache Kafka, ZeroMQ, RabbitMQ, or similar queueing systems.
  
• Working knowledge of Redis, Kubernetes, Helm, Docker, AWS, and ElastiCache for cloud‑native and distributed systems.
  
• Experience with CI/CD pipelines using Jenkins or equivalent tools.
  
• Familiarity with Go programming language.
  
• Understanding of communication technologies, protocols, and standards such as VoIP, SIP, H.323, XMPP, etc.
  

Equal Employment Opportunity Statement

Vonage is an Equal Employment Opportunity Employer and does not discriminate on the basis of race, color, religion, sex, national origin, disability, age, veteran status, or any other protected status under applicable laws. As set forth in Vonage’s Equal Employment Opportunity policy, we do not discriminate on the basis of any protected group status under any applicable law.

As a government contractor subject to the Vietnam Era Veterans Readjustment Assistance Act (VEVRAA), we request information about veteran status to comply with federal reporting. The following categories are used for reporting purposes only: disabled veteran, recently separated veteran, active duty wartime or campaign badge veteran, and armed forces service medal veteran. xhfqzwm This information is confidential and not used for employment decisions.

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