Vonage Engineering Mission: Vonage London 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. Our Engineers face multiple challenges associated with high performance, distributed systems, and processing large volumes of data in real time

We are now looking for a talented VOIP Developer to join our very talented SIP team. As part of this team you will work with some of the brightest minds in voice engineering, solving unique challenges on a daily basis . As a VOIP Developer at Vonage you will work on real-time communications applications that are using some of the latest technologies to tackle the challenges of latency critical communications across the globe.

What you'll do

  • Develop challenging scaling and infrastructural requirements
  • Opportunities to develop applications from an idea to production
  • Learn, and teach, inside a dynamic and motivated voice engineering team
  • Work on a platform with global reach where latency is key
  • Develop ground breaking new components of the SIP infrastructure
  • Maintain existing components of the SIP infrastructure
  • Ensure the SIP infrastructure meets the operational requirements
  • Develop tools to monitor and analyse audio quality in the SIP infrastructure
  • Assist in automation tasks (deployment, configuration, QA)
  • Assess requirements and discuss and estimate design solutions
  • Communicate clearly and in a timely fashion with all the relevant areas
  • Ensure the relevant source code repos are handled according to known good practices

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

What you'll bring

  • Wide knowledge of Real Time Communication protocols and technologies (SIP, SDP, RTP, SRTP)
  • Deep knowledge of Linux systems, networking and tools
  • Good knowledge of a scripting language such as Python, Bash or Lua
  • Knowledge of opensource such as Kamailio, Asterisk and FreeSWITCH
  • Understanding of security and authentication standard methodologies
  • Understanding of standard audio and video codecs, and common issues in media sessions
  • Experience with large VoIP production environments
  • Familiarity with Configuration Management and automation
  • Familiarity with cloud-based infrastructures

What we can offer you:

  • Competitive Salary + Bonus
  • Equity Grant
  • Career Progression
  • The chance to use new technologies
  • Unlimited paid holidays
  • Flexible working hours
  • Social Meetups, Hackathons and Tech talks
  • Industry conferences as a team or individual
  • Matched pension
  • Life assurance and Income Protection
  • Cycle to work scheme
  • Payroll Giving for Charities
  • Season Ticket Loan
  • Gym Membership Loan
  • Extended Maternity and Paternity Leave
  • Free snacks and food 
  • Friday beer o’clock


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