Senior Backend Engineer - Voice AI & Real-Time (Hybrid)

IC Resources; Greater London; Hybrid; GBP 90,000 - 130,000; Full time

Job summary

IC Resources is seeking a Senior Backend Engineer in London to help build and scale backend systems for Voice AI solutions. You will collaborate closely with ML/AI engineers to integrate real-time AI capabilities into the core backend.

The role emphasizes ownership, autonomy, and delivering impact in a fast-growing environment. You will work on a modern stack including Go, Python, Postgres, Redis, and Kubernetes, with exposure to AWS and infrastructure tooling.

Qualifications

• Experience building and operating scalable production systems.
• Experience with Go and Python, plus broader stack familiarity, with willingness to learn.
• High ownership mindset; comfortable solving undefined problems in a small team.
• Desirable experience with real-time or latency-sensitive systems (streaming, telephony/SIP/WebRTC).

Responsibilities

• Develop and operate scalable backend systems integrated with ML/AI components.
• Collaborate with ML/AI engineers to integrate Voice AI solutions and ML pipelines with the backend core.
• Own critical backend components and drive them from problem to production.
• Work in a hybrid London-based team with autonomy and impact on product strategy.

Skills

Go

Python

Ownership

Real-time systems

Tools

Postgres

Redis

NATS

Keycloak

Kubernetes

Istio

mTLS

ArgoCD

Prometheus

Grafana

AWS

Terraform

Job description

IC Resources is seeking a Senior Backend Engineer in London to help build and scale backend systems for Voice AI solutions. You will collaborate closely with ML/AI engineers to integrate real-time AI capabilities into the core backend.

The role emphasizes ownership, autonomy, and delivering impact in a fast-growing environment. You will work on a modern stack including Go, Python, Postgres, Redis, and Kubernetes, with exposure to AWS and infrastructure tooling.