26 to 35 of 35 VoIP Jobs in London

Full Stack Engineer / Technical Lead B2B Saas

Location
Greater London, England, United Kingdom
regarded provider of serverless real-time infrastructure for the Internet that processes billions of messages a day and powers everything from live chat and VoIP calls to real-time pricing and stock availability for a multitude of services around the globe. As a Full Stack Engineer/Technical Lead ...

Full Stack Engineer / Technical Lead B2B SaaS

Hiring Organisation
Client Server
Location
London, United Kingdom
Salary
£ 100 K
regarded provider of serverless real-time infrastructure for the Internet that processes billions of messages a day and powers everything from live chat and VoIP calls to real-time pricing and stock availability for a multitude of services around the globe.As a Full Stack Engineer/Technical Lead ...

Full Stack Engineer / Technical Lead B2B SaaS

Hiring Organisation
Client Server
Location
North West London, London, United Kingdom
Employment Type
Permanent, Work From Home
regarded provider of serverless real-time infrastructure for the Internet that processes billions of messages a day and powers everything from live chat and VoIP calls to real-time pricing and stock availability for a multitude of services around the globe. As a Full Stack Engineer/Technical Lead ...

Senior Software Developer (UK-based)

Location
Greater London, England, United Kingdom
track and diagnose issues in production A solid understanding of security principles and secure coding including OWASP Top 10 Nice to haves: Experience in VOIP (SIP and RTP advantageous) Experience of TDD/BDD/DDD Knowledge of PCI compliance and associated standards such as ISO 27001 Knowledge of accessibility ...

Senor QA Automation Engineer

Hiring Organisation
Experis
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£300 - £370/day
Senior QA Automation Engineer 6 months Hybrid Inside IR35 - umbrella only We are seeking a highly skilled VoIP Services Tester with Automation Experience to join our engineering team. In this role, you will ensure the reliability, quality, and security of our real-time voice and video communication systems. You will … media. Validate Protocols: Verify SIP signaling, SDP negotiations, and RTP/SRTP media stream compliance. Assess Quality Metrics: Continuously monitor and log critical VoIP KPIs including jitter, packet loss, latency, and Mean Opinion Score (MOS). 4. Test Reporting & Defect Management Publish Test Reports: Generate comprehensive test execution summaries, metric ...

Manager, Global Customer Success

Location
Greater London, England, United Kingdom
facing team. Experience: Proven ability to influence C-Level stakeholders and manage strategic accounts with significant revenue impact. Knowledge: Strong understanding of program management, VoIP, routing, Local Number Portability (LNP), and enterprise account management. Knowledge: Knowledge of operational frameworks, performance metrics, and customer success methodologies. Skills: Demonstrated leadership skills, including … support, ideally with wholesale/enterprise accounts, and specifically in Telecommunications. Experience: Familiarity with scaling service delivery in a global organization. Knowledge: Knowledge of VoIP, SaaS and UCaaS preferred. Knowledge: The ideal candidate will demonstrate an understanding of VoIP technology and terminology. Knowledge: Familiarity with scaling service delivery ...

AV Support Engineer

Location
Greater London, England, United Kingdom
applications, and collaboration solutions. Drive end-to-end project implementation and provide technical leadership to cross-functional teams. Deploy, configure, and support cloud-based VoIP and video conferencing platforms, including: Microsoft Teams Logitech Microsoft Teams Rooms (MTR) solutions Poly Teams Phones AudioCodes Session Border Controllers (SBCs) Deploy and support enterprise …/end‐user service design and management, digital workplace solutions, web‐based collaboration tools, and end‐user collaboration equipment. Strong expertise in cloud‐based VoIP, Microsoft Teams Voice, video conferencing technologies, and enterprise collaboration platforms. Proven experience with Microsoft-certified IP phone deployment and management, including Poly (Trio, CCX series ...

Sales Executive

Hiring Organisation
TDA TELECOM LIMITED
Location
London, United Kingdom
Employment Type
Permanent
Position Overview The New Business Sales Executive will drive growth across our telecoms portfolio, with a focus on connectivity, VoIP, and Microsoft Teams telephony. Operating within the London and Inner M25 region, this role converts high-quality, pre-qualified leads into new contracted revenue. The position requires a commercially disciplined … pipeline. Maintain exceptional conversion rates and uphold service excellence throughout the sales cycle. Solution Positioning & Proposal Development Present connectivity solutions (FTTP, leased lines), VoIP platforms, SIP, and Teams calling in a clear, commercially compelling manner. Build accurate proposals aligned to customer needs, technical specifications, and commercial objectives. Work closely with ...

Software Engineer (Mobile)

Location
Greater London, England, United Kingdom
voice based UX design. Main Responsibilities Continue the development of the Mobilus Voice Communication mobile application (Android). Develop and Implement automatic multi-network (VoIP & P2P) switching features. Advance the development of persistent voice channels feature. Support user testing and development feedback Creating internal and external APIs Required Skills … team working skills. Nice to have Skills Previous experience with wearables and/or hardware integration (i.e. Bluetooth, SCO, HFP) Prior experience with VoIP and understanding of networking protocols (TCP/IP/UDP) Experience with voice recognition and transcription libraries and/or APIs #J-18808-Ljbffr ...

VoIP QA Automation Architect

Location
City Of London, England, United Kingdom
Experis - ManpowerGroup in the United Kingdom seeks a Senior QA Automation Engineer to lead VoIP testing and automation initiatives. You will design scalable test frameworks, author rigorous test cases, and produce detailed reports to guide deployment decisions. The role requires deep knowledge of SIP/RTP, network diagnostics ...