Latest Distributed Ledger Jobs

Software Engineer, ChatGPT Infrastructure

Design, build, and operate scalable, reliable infrastructure supporting AI systems like ChatGPT and the OpenAI API. Focus on performance, observability, security, and automation while collaborating with research, product, and engineering teams. Improve developer experience and system resilience at global scale.

OpenAI London, United Kingdom

On-site Permanent

Software Engineer, Model Deployment- ChatGPT Engineering

Design and build software to manage large-scale GPU infrastructure supporting ChatGPT inference workloads. Develop internal platforms, automation tools, and AI-powered agents to improve fleet observability, reliability, and operational efficiency across thousands of GPUs. Collaborate with research, platform, and systems teams to optimize compute utilization and scalability.

OpenAI London, United Kingdom

Hybrid Permanent

Sr. Software Engineer - Data Query Platform - London

Design and build ultra-high-scale data platforms processing petabytes of data, using Java, Spark/Scala, and AWS to enable efficient querying and analytics for threat detection. Develop fault-tolerant microservices and distributed systems for internal and external customers. Work across the full data lifecycle from ingestion to query frameworks, improving performance and scalability.

CrowdStrike London, United Kingdom

Hybrid Permanent

Sr. Data Scientist - GenAI

Lead the development and deployment of cutting-edge generative AI systems for cybersecurity, focusing on large language models and deep learning at scale. Drive research strategy, build production-ready AI solutions processing trillions of daily events, and provide technical leadership across cross-functional teams. Contribute to AI innovation through publications and thought leadership while shaping best practices in responsible AI adoption.

CrowdStrike England

Remote Permanent

Senior HPC Performance Engineer

Analyze HPC applications across diverse architectures to identify performance bottlenecks and optimization opportunities, supporting compiler and application engineering teams. Focus on GPU acceleration of scientific workloads in domains like climatology, fluid dynamics, and defense. Work with large-scale distributed systems and heterogeneous compute nodes involving CPUs, GPUs, and many-core processors.

NVIDIA

Remote Permanent

Senior HPC Performance Engineer

Analyze and optimize HPC applications across heterogeneous systems, focusing on performance insights for compiler and application engineering teams. Work with large-scale distributed-memory systems and parallel architectures, supporting GPU acceleration of scientific workloads. Drive performance improvements using deep knowledge of compilers, parallel programming models, and system architecture.

NVIDIA

Remote Permanent

Software Engineer, Enterprise

Design and scale backend systems for enterprise GenAI products, focusing on reliability, performance, and deployment across hybrid and multi-cloud environments. Build core services and APIs that securely integrate AI models with enterprise data sources. Architect distributed systems for data processing, inference, and orchestration of large-scale AI workloads.

Scale AI London, United Kingdom

On-site Permanent

Software Engineer, Platform

This role involves developing and scaling a generative AI platform, with ownership of end-to-end feature development across backend, frontend, and AI components. The engineer will work closely with ML models and LLMs, build reliable distributed systems, and integrate with vector databases and AI infrastructure. Collaboration with product, ML, and infrastructure teams is key, in a fast-paced environment focused on delivering enterprise-grade AI solutions.

Scale AI London, United Kingdom

On-site Permanent

Enterprise Architect - AI

This role involves defining and evolving enterprise architecture strategies with a focus on AI, cloud-native systems, and distributed architectures. The architect will design scalable AI workloads, lead technical direction across cloud, data, and infrastructure domains, and translate complex technical concepts into strategic recommendations for senior stakeholders. Key responsibilities include assessing emerging technologies, shaping investment decisions, and establishing reusable enterprise design patterns in environments leveraging Azure, GCP, or AWS.

PRACYVA United Kingdom £550 – £600 pd

Senior AI Operations Manager

This role involves managing the operational performance and reliability of enterprise AI platforms in production, with a focus on incident management, monitoring, SLAs, and DevOps practices. The individual will ensure operational readiness, support model lifecycle management, and collaborate across distributed teams. Emphasis is placed on cloud-based AI systems, responsible AI governance, and integration with enterprise architectures, particularly using Microsoft Azure AI and Co-pilot technologies.

eTech Partners London, United Kingdom £90,000 – £100,000 pa

Remote

Staff Software Engineer, Inference

This role involves designing and maintaining large-scale, performance-sensitive distributed systems that serve Claude to millions of users globally. The engineer will work across the full inference stack, building intelligent routing, autoscaling, and deployment systems for AI models running on diverse accelerators across multiple cloud platforms. The position emphasizes real-time system resilience, compute efficiency, and close collaboration with research teams to enable next-generation model development.

Anthropic London, United Kingdom £325,000 – £390,000 pa

Lead Data Engineer - Start-Up / Scale-up experience required

Lead the design and implementation of scalable data pipelines and distributed systems for an AI-driven operations platform. Build and optimize data ingestion, transformation, and vector search infrastructure to support real-time AI workloads. Collaborate closely with AI and backend teams to shape the data architecture and influence technical direction in a high-growth startup environment.

Matchtech London, United Kingdom £100,000 – £160,000 pa

Technical Architect

The role involves defining and modernising technology architecture across cloud, infrastructure, networking, and security for a large multi-site organisation. You'll lead technical strategy for POS, payments, and operational technology while driving innovation in automation, AI, and disaster recovery. Working closely with senior stakeholders, you'll shape transformation projects and establish standards across a hybrid environment.

GR Consulting London, United Kingdom £80,000 – £85,000 pa

Machine Learning Engineering Manager

Lead a team of machine learning engineers to design, build, and scale production ML systems for real-time decisioning in a high-throughput transaction environment. Own the full lifecycle of ML pipelines from experimentation to deployment and monitoring, with close collaboration across product and engineering teams. Work within an AI Lab setting to advance both applied research and commercial model delivery.

Harnham - Data and Analytics Recruitment Usa, United Kingdom US$200,000 – US$240,000 pa

Senior Golang Engineer - AI Products & Platforms - Citi

This role involves designing and building AI-powered products and platforms using Golang within Citi's high-growth AI Product & Platform team. You'll develop scalable backend services and cloud-native microservices, collaborate with AI specialists, and contribute to developer tools and frameworks. The position emphasizes innovation in distributed systems, generative AI, and modern engineering practices in a start-up-like environment within a global financial institution.

eFinancialCareers London, United Kingdom

Hybrid Permanent