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DevOps Engineer: Cloud Platform & Automation

New UK

Bash Cloud DevOps Docker Groovy +3 skills

DevOps Engineer on Quantexa's R&D DevOps team, working on the Quantexa Cloud Platform: improving the availability, resilience, usability and security of cloud environments and supporting release activities with software engineers. Day-to-day stack includes Docker/Kubernetes, Bash/Python/Groovy, Jenkins, and multi-cloud provisioning tooling.

Senior AI Training & Experimentation Backend Engineer

Senior backend engineer at Lightning AI scaling backend systems for AI training and experimentation across distributed workloads — designing APIs, orchestrating workflows, and owning production services with a focus on reliability and observability. Hybrid role based in London with at least two in-person days per week.

Senior Golang Backend Engineer — Global Support Platform

Deliveroo in London is hiring a Senior Golang Backend Engineer to build scalable, low-latency services powering internal support tooling and customer-facing platforms used by millions daily. The role spans high-throughput system design, mentoring peers, architectural discussions, and writing well-tested code alongside product, design, and frontend teams.

Go Backend Engineer — Scalable, Low-Latency Support Tools

New UK

Builds scalable, low-latency Go backend services powering internal support tools and global customer experiences. Day to day: collaborating with product managers, designers, and frontend engineers to ship features, design robust systems, and maintain high code quality, with a distributed-systems focus.

Distributed Systems Go

Principal AI Backbone Architect

New APACPrincipal

Australia

Firmus Technologies is seeking a Principal Network Architect to lead the architecture and technical assurance of the backbone connectivity platform underpinning the Firmus AI Factory and Firmus AI Cloud. You will…

Principal Network Architect, Backbone Network

New APACPrincipal

Australia

Principal Network Architect, Backbone NetworkFirmus · Sydney, AustraliaAbroad Sydney, Australia✓ Link validatedFirmus Technologies Firmus Technologies is a global leader pioneering the development and operation of…

Senior Backend Engineer, AI Agents Platform

A senior backend engineer at Lightning AI (the company behind PyTorch Lightning) designs and builds backend services that orchestrate and deploy AI agents in production, covering scalable APIs, memory/state management, and long-running workflows. The role is London-based, hybrid with at least 2 days/week in office.

Senior Backend Engineer - Crypto Custody & Infra

AWS Blockchain Docker Infrastructure as Code Kubernetes

Senior Backend Engineer at Robinhood owning AWS-based crypto custody infrastructure, blockchain node operations, and wallet management services. The work centers on automating deployments with IaC, running containerized workloads on Kubernetes/Docker, integrating third-party custodians, and handling security, incident response, and on-call from the London office.