5 of 5 Permanent VoIP Jobs in Surrey

of emerging technologies and regulatory changes What we’re looking for 5+ years in professional software development, with 2+ years in Rust Strong knowledge of telecom protocols (SIP, RTP, VoIP, 4G/5G, IMS, Diameter, SS7, etc.)Experience with distributed systems, real-time communications, or network services Solid grasp of concurrency, memory management, and performance tuning in Rust Excellent troubleshooting More ❯

expertise Proven experience in Rust development is ideal, but strong developers in C, C++, or similar systems languages are very welcome. Telecommunications or comparable high-availability background Ideal: SIP, VoIP, 5G, or telecom protocol knowledge. Alternatively: experience in sectors like fintech, trading, or infrastructure where reliability and performance are paramount. Low-level systems and distributed systems know-how Familiar with More ❯

protocols, and standards through ongoing research. Oversee hardware/software upgrades and lifecycle management. Manage vendor and contractor relationships to secure network products and services. Design, implement, and maintain VoIP systems, including phone servers and devices. Design and support Audio/Video systems across the organisation. Configure networks to ensure stability, reliability, and alignment with organisational objectives. Monitor network performance … You – Skills & Experience Strong experience in LAN, WAN, WLAN, and WWAN design and implementation. Skilled in network security principles , capacity planning, and industry best practices. Hands-on experience with VoIP systems . Excellent troubleshooting skills and familiarity with testing tools for voice/data circuits. Strong understanding of data privacy practices and relevant regulations. Confident communicator with excellent written, verbal More ❯

Hybrid Salary: £60,000 – £70,000 Type: Permanent About the Role: Our employer-partner is looking for a Senior Python/C++ Engineer with strong experience in distributed systems, VoIP, audio/video processing, and cloud-native architectures. This role suits someone who enjoys building performance-critical tools, working across the full stack, and contributing to scalable real-time communication … products. Key Responsibilities: Develop backend services and distributed components using Python and C++ . Work with media processing technologies (FFMPEG, audio mixing, streaming pipelines). Engineer VoIP, DECT, and SIP-based communication software, including real-time call handling. Build and maintain REST APIs (Flask, FastAPI, Django) and integration layers. Contribute to highly available microservices deployed via Docker Compose and/… . Collaborate in Agile teams to deliver secure, scalable, production-grade solutions. Required Skills & Experience: Strong engineering experience with Python and C++ (combined tech-stack). Background in telecoms, VoIP, DECT, SIP, media streaming, or network communications. Hands-on experience with microservices , containerisation, CI/CD (GitLab). Exposure to cloud deployments (AWS preferred). Familiarity with MQTT, ZMQ, WebRTC More ❯

on low-latency and high throughput. Build and optimise systems-level components using Rust, C++, C, or Java . Design and implement APIs and real-time communication protocols (SIP, VoIP, 5G, RTC). Improve platform reliability, stability, and performance (99.99%+ uptime environments). Lead performance tuning, fault-tolerance engineering, and high-availability architecture reviews. Implement CI/CD workflows … high-pressure environments. Provide mentorship, code reviews, and knowledge sharing within engineering teams. Required Skills & Experience: 5+ years in systems programming (Rust, C++, C ). Strong background in telecoms , VoIP, SIP, real-time protocols, or distributed systems. Experience with Linux/Unix , Docker , Kubernetes , and CI/CD pipelines. Proven ability to design scalable back-end services and high-performance More ❯