Latest E-commerce Jobs

Cryptographic Operations Technician

This role involves managing and monitoring cryptographic assets across Barclays' global operations, ensuring data confidentiality, integrity, and availability. The technician will support cryptographic services including key management, HSMs, PKI, and certificate systems, while contributing to incident, change, and vulnerability management. Responsibilities include conducting security assessments, developing technical documentation, delivering training, and providing on-call support as part of a 24/7 security team.

Barclays Knutsford, WA16 9EU, United Kingdom

Principal Engineer – Risk Decisioning & Agentic AI – BPL

This role involves leading the design and implementation of AI-driven risk decisioning systems, focusing on fraud detection, credit risk, and financial crime prevention. The Principal Engineer will translate regulatory and risk requirements into scalable, cloud-native technical solutions using multi-agent AI, real-time decision engines, and event-driven architectures. They will mentor engineering teams, drive innovation in highly regulated environments, and collaborate with stakeholders across product, compliance, and data to deliver resilient, enterprise-grade platforms.

Barclays London, E14 5RB, United Kingdom

Senior HPC and AI Network Software Architect

Design and evolve scalable software architectures for distributed AI training and inference, focusing on communication efficiency, runtime systems, and hardware-software co-design across GPUs, DPUs, and interconnects. Develop and optimize libraries like NCCL, UCX, and UCC for frontier AI workloads. Collaborate with AI framework and platform teams to improve end-to-end performance and enable new capabilities at scale.

NVIDIA PLN 221,250 – PLN 507,000 pa

Remote Permanent

Senior HPC and AI Network Software Architect

Design and evolve scalable software systems for distributed AI training and inference, focusing on communication efficiency, runtime performance, and hardware-software co-design across GPUs, DPUs, and interconnects. Develop next-generation capabilities in libraries like NCCL, UCX, and UCC, and collaborate with AI framework and platform teams to optimize end-to-end system performance at scale. Drive innovation in AI-specific protocols and distributed systems to power the world’s fastest AI workloads.

NVIDIA PLN 221,250 – PLN 507,000 pa

Remote Permanent

Junior Cloud Engineer

This role involves supporting the deployment and maintenance of secure, scalable cloud platforms across public, private, and hybrid environments. The engineer will use Infrastructure-as-Code tools to automate infrastructure, monitor system performance and security, and assist in resolving incidents. Collaboration with senior engineers to build reusable templates and improve operational efficiency through scripting and automation is a key part of the role.

Oscar Technology Stoke-on-Trent, United Kingdom £50,000 – £65,000 pa

Senior Site Reliability Engineer

This role involves ensuring the reliability, performance, and scalability of large-scale distributed systems in a cloud and on-premises environment. The engineer will develop automation tools, manage Kubernetes infrastructure, and lead incident response while collaborating closely with development teams to improve deployment practices and system observability. Key responsibilities include performance tuning, platform monitoring, and contributing to architectural decisions for enterprise SaaS solutions.

Spectrum IT Recruitment Southampton, United Kingdom £60,000 – £70,000 pa

Hybrid Permanent

Field Network Engineer

The role involves deploying and managing data center IT infrastructure, primarily in London, with frequent travel for on-site support. Responsibilities include troubleshooting hardware and network issues, coordinating remote operations with co-located teams, and contributing to new infrastructure launches. The engineer will work closely with cross-functional teams and maintain technical documentation for service operations.

Nebius London, United Kingdom

Senior HPC Engineer, GPU Compute

This role involves optimizing and maintaining high-performance GPU clusters and InfiniBand networks within a large-scale AI cloud infrastructure. The engineer will work on low-level system tuning, hardware integration, and automation for fault detection across multi-GPU HPC environments. Key focus areas include performance analysis, virtualization (KVM/QEMU), and support for distributed computing workloads using technologies like Kubernetes, MPI, and NCCL.

Nebius United Kingdom

Senior Site Reliability Engineer

This role involves ensuring the reliability, performance, and scalability of large-scale distributed systems in a cloud and on-premises environment. You'll develop automation tools, manage Kubernetes infrastructure, and work closely with development teams to improve service quality and deployment practices. The focus is on observability, incident management, and optimising platform health using modern DevOps tooling and cloud-native technologies.

Spectrum IT Recruitment Southampton, Hampshire, United Kingdom £60,000 – £70,000 pa

Principal Software Engineer

The role involves providing technical leadership across a distributed application estate, focusing on evolving interface specifications and engineering standards. The Principal Software Engineer will drive alignment between web, mobile, and backend teams, translate architectural vision into practice, and lead through influence rather than direct ownership. Key responsibilities include managing API and event schema lifecycles, building proofs of concept, mentoring engineers, and ensuring system-wide consistency and scalability.

CV-Library Fleet, Hampshire, GU51 3HH, United Kingdom

Hybrid Permanent

IT Project Engineer

Excellent opportunity for an experienced hands-on Project Engineer, for an award-winning company, where you will deliver highly technical customer projects across cloud, infrastructure and modern workplace technologies. Here, you will work closely with the Solutions Architect and Technical Project Manager,...

recruitment22 S38Bz, United Kingdom

Site Reliability Engineer - SC Cleared

This role involves working on high-impact, mission-critical projects for Defence and National Security clients. You will be responsible for ensuring the reliability and performance of complex systems, using your expertise in software development, cloud infrastructure, and system monitoring.

Searchability NS&D Gloucestershire, United Kingdom £40,000 – £65,000 pa

Hybrid Permanent Clearance Required

Lead Solution Architect - Data Analytics

This role involves leading the architectural design and governance of enterprise-scale data and analytics platforms for the Bank of England. You will translate business strategies into technical solutions, shape architectural decisions, and lead a team of architects in a highly regulated environment.

Inspire People London, United Kingdom £80,320 – £90,360 pa

Hybrid Contract Clearance Required

Senior Software Engineer

This role involves leading the end-to-end design and delivery of full-stack cloud-native applications within a growing tech scale-up. The engineer will work across technical discovery, architecture, development, and operations, with a strong focus on scalable backend systems, responsive frontend components, and AI-assisted development. The position emphasizes technical leadership, mentoring, and innovation in a collaborative Agile environment.

Connor Fox Recruitment Solutions Edinburgh, Alba / Scotland, United Kingdom

On-site Permanent

Senior Data Engineer

Position: Senior Data EngineerSector: AutomotiveLocation: Gothenburg, SwedenPosition Type: Contract or Permanent*Applicants MUST have proof of immediate, on-going and valid eligibility to work full time in Sweden*About the companyContechs are recruiting on behalf of their client who builds on a strong...

Contechs Sweden