Senior Backend Engineer

Intellectual Capital Resources; Greater London; Hybrid; GBP 59,000 - 99,000; Full time

Job summary

Intellectual Capital Resources is seeking a Senior Backend Engineer in London to build and integrate Voice AI pipelines with the backend core. You will collaborate with ML teams to deploy scalable systems across carrier-scale environments.

The role emphasizes ownership, autonomy, and direct impact on product strategy, working in a fast-growth tech company with a Go/Python stack and a hybrid London office.

Qualifications

• Experience building and operating scalable production systems.
• Experience with Go and Python, alongside as many areas of the tech stack as possible, plus a willingness to learn.
• High level of ownership and comfort picking up undefined problems and driving them to completion in a small team.
• Desirable: experience with real-time or latency-sensitive systems such as streaming, telephony/SIP/WebRTC, or similar.

Responsibilities

• Work closely with ML and AI engineers to integrate Voice AI solutions and ML pipelines with our backend core
• Build next-generation Voice AI products used in real-world, carrier-scale environments
• Contribute to cutting-edge challenges in Speech AI, Conversational AI, and AI safety
• Take high ownership, autonomy, and direct impact on product and company strategy

Skills

Go

Python

Scalable systems

Ownership

Tools

AWS

Kubernetes

ArgoCD

Istio

NATS

Prometheus

Grafana

Redis

Terraform

PostgreSQL

Keycloak

Job description

Salary: £59,000 - 99,000 per year

Requirements:

• Experience building and operating scalable production systems
• Experience with Go and Python, alongside as many areas of the tech stack as possible, plus a willingness to learn
• High level of ownership and comfort picking up undefined problems and driving them to completion in a small team
• Desirable: experience with real-time or latency-sensitive systems such as streaming, telephony/SIP/WebRTC, or similar

Responsibilities:

• Work closely with ML and AI engineers to integrate Voice AI solutions and ML pipelines with our backend core
• Build next-generation Voice AI products used in real-world, carrier-scale environments
• Contribute to cutting-edge challenges in Speech AI, Conversational AI, and AI safety
• Take high ownership, autonomy, and direct impact on product and company strategy

Technologies:

• AI
• AWS
• ArgoCD
• Backend
• Grafana
• Istio
• Kubernetes
• NATS
• Prometheus
• Python
• Redis
• Terraform
• Cloud

More:

We are a fast-growth tech company applying AI to the telecoms industry and hiring a Senior Backend Engineer to join our growing team. Our tech stack includes Go, Python, Postgres, Redis, NATS, Keycloak, Kubernetes, Istio, mTLS, ArgoCD, Prometheus, Grafana, AWS, and Terraform. This is a hybrid role based in our London office, with three days per week onsite.

last updated 37 week of 2026