You will use Python, Trio, PyTorch, TensorFlow, JAX, Kubernetes, Rust, C++, and GPU clusters. The team advances reinforcement learning for large language models, improving Claude’s autonomy, coding, and reasoning capabilities.

Work with Google Cloud, Kubernetes, serverless, Terraform, Node.js (TypeScript), and CI/CD pipelines. You'll join the Platform Engineering team at Freetrade, an investing platform, to treat the platform itself as a product—building the foundational infrastructure, observability, and security that Freetrade's own engineers rely on to ship.

Deliveroo★3.3 (1.5k)· London

Build production infrastructure for Generative AI at Deliveroo and DoorDash, leading design and architecture for real-time GPU serving, high-throughput batch inference, and fine-tuning (SFT/DPO/LoRA) of open-weight LLMs and VLMs. Own the LLM Gateway, Agent Gateway, evals infrastructure, guardrails, and cost attribution, while mentoring engineers and setting technical direction for a small, high-leverage centralized GenAI platform team.

Lead Cloud Engineers at Made Tech use AWS, Azure, GCP, Terraform, CloudFormation, Docker, Kubernetes, CI/CD, and languages like Python, Bash, and JavaScript. They help public sector organisations design, implement, and maintain secure, scalable cloud infrastructure. The role includes line managing and mentoring junior colleagues.

IQVIA★3.7 (2.7k)· London

This Senior AI Platform Engineer role at IQVIA uses technologies like AWS, CUDA, PyTorch, Slurm, and Kubernetes. The position defines and delivers the infrastructure strategy for the company’s Large Language Model programmes, ensuring research is transformed into production-ready AI systems for healthcare.

You will work with AWS (serverless, Bedrock), TypeScript/JavaScript, Infrastructure-as-Code (Terraform/CDK/CloudFormation), CI/CD, and API design. The Commerce & Technology division designs and builds cloud applications for global brands, specializing in agentic AI platforms and emerging Agentic Commerce standards.

Lead Platform Engineering for Volta's GPU infrastructure platform, working with KVM, QEMU, Ceph, SPDK, BGP, VXLAN, Kubernetes operators, Go, Python, and Rust. You will manage EMEA teams of 20+ people, own delivery against the roadmap, and act as deputy to the VP. The role covers architecture, reliability, and the boundary between platform software and hardware.

You will work with Python, Go, Rust, Kubernetes (cluster ops, CNI, scheduling), GPU infrastructure, networking (L2/L3, VLANs, overlays), and service architecture. Volta builds a Kubernetes-native GPU compute platform delivering VMs, storage, and networking for AI workloads. You will lead one of the platform engineering capability teams.

Platform engineers design and implement Kubernetes operators and controllers using Python, Go, and Rust. They build and operate large-scale GPU compute infrastructure for AI workloads, spanning compute, networking, storage, and control plane services. Individual teams own different parts of the stack, from managed bare metal through to higher-order platform services.

Build core backend services for DDN’s Infinia AI Data Platform, working with Go, C++, Java, or Python, REST/gRPC APIs, Kubernetes, and microservices in hybrid OnPrem/cloud environments. You will design scalable distributed systems for control-plane orchestration, lifecycle management, and policy enforcement at petabyte scale. This hands-on technical leadership role contributes to API governance, observability, and security across the platform.

You'll work with AWS, GCP, SIEM, EDR, DLP, MDM, Python, Go, and TypeScript. Risk Ledger builds a network for supply-chain organisations to share security maturity and visualise risks. You'll mature security operations, detection, incident response, and cloud security across cloud, endpoint, and SaaS environments.

You will work with Java, Swift, C, Go, Python, and Kubernetes to design and operate highly scalable distributed systems. The team builds Apple’s foundational privacy-focused platform for iCloud, including Advanced Data Protection and Private Cloud Compute, supporting over a billion users.

Blockchain★3.4 (14)· London

Lead a small engineering team building crypto savings and crypto-backed lending products at Blockchain, using Kotlin or Java, Kafka, PostgreSQL, and Redis. You will define technical architecture, design distributed systems, and drive best practices in a hands-on role.

You'll work with TypeScript/Node.js, React, Java/Kotlin, REST APIs, event-driven architectures, AWS, Docker, Kubernetes, Kafka, Keycloak, and observability tooling. You'll lead the PRIIP Cloud platform, WallStreetdocs' cloud-based documentation and reporting system for structured products and derivatives in regulated financial services. No team size is specified.

Senior Software Engineer (L5) contract role on Prime Video Edge Control team. Work with Java, Kotlin, TypeScript, AWS (EC2, NLB, ElastiCache, Lambda, DynamoDB), and AWS CDK to build and operate scalable services for client configuration, push notifications, observability, and a remote AI MCP platform.

Build backend systems with Kotlin or Java, Kafka, PostgreSQL, Redis, and microservices for a crypto savings and crypto-backed lending platform. This hands-on technical lead defines architecture, remains close to the code, and leads a small team of engineers.

You will work with Block, File, Parallel, and Object storage technologies, plus Linux, automation/scripting, and Infrastructure-as-Code tools. You will design, build, operate, and improve these storage services for the Nscale GPU cloud platform that supports AI workloads. The role reports to the VP Storage Services and collaborates with a team of engineers and senior technical leaders.

Lovable★4.0 (43)· London

Uses Go, Rust, TypeScript; AWS, Azure, Google Cloud, Cloudflare; Kubernetes, Terraform, Temporal, OTEL, CI/CD; PostgreSQL, ClickHouse, Firestore, Spanner, BigQuery. Builds the platform for Lovable Enterprise enabling secure, cloud-agnostic deployment, defining architecture for sandboxing, networking, encryption, identity, and mentoring engineers.

Build and scale Nxera Pharma’s computational drug discovery platform, working with Python, AWS, Docker, Prefect, GitHub Actions, Terraform/CDK, PostgreSQL, and Linux. You'll develop backend services, cloud infrastructure, CI/CD pipelines, and workflow orchestration alongside computational chemists and ML engineers. No team size is stated.

Work with Java (including JDK migration), Kotlin, Python, Kubernetes, ArgoCD, OpenTelemetry, and modern CI/CD pipelines to develop and maintain distributed services for ingesting and processing financial market reference data. You will modernize critical production systems, including a large-scale Java/JDK upgrade programme and improvements to platform reliability and cloud-native infrastructure.

DeepL★3.8 (4)· London

Work with Kubernetes, Terraform, ArgoCD, Go or Python, and AWS across hybrid on-prem and cloud infrastructure. The Hybrid Platform Engineering track builds and operates the compute layer—Kubernetes control plane, networking, storage, and core services—powering DeepL's language AI products and research. The role involves deepening the hybrid model and unifying workloads across on-prem and AWS.

Work with Kubernetes, Docker, Java, Python, Go, JavaScript, Terraform, Ansible, CI/CD, and LLM/AI tooling. You’ll build and operate scalable services for UK government national-security data platforms, own production reliability, and deploy products into air-gapped estates via an in-house continuous-delivery engine.

You will work with Java, TypeScript, Python, Go, React, Angular, AWS, Kubernetes, Docker, Elasticsearch, MongoDB, and CI/CD/GitOps/IaC tools. You will join two sister teams building mission-focused, business-critical digital systems for UK public-sector clients. This role requires active SC clearance and eligibility to obtain DV clearance, and working on site 4 days per week.

Dataminr★3.6 (21)· London

Work with Palantir Foundry, Python, Java, SQL, TypeScript/JavaScript, Bash, Go, Docker/Podman, Kubernetes/OpenShift, and Linux. As a Forward Deployed Engineer, you deploy, build on, and operationalize Dataminr’s First Alert inside defense and NATO-aligned customer environments, designing data pipelines, ontologies, and applications on Foundry that fuse real-time intelligence with operational data.

You will work with Unix/Linux, JavaScript, a ticketing system, and networking infrastructure tools. As a Support Engineer on the Global Support Engineering team, you will resolve technical issues with ExtraHop's network detection and response (NDR) product and assist customers with hardware, firmware, and third-party integrations.