Cloud Computing Jobs

Full Stack Developer - Assistant Vice President - Citi

As a Full Stack Developer at Citi, you will work on complex software solutions using Java, Spring Boot, and RESTful web services. You'll be part of the Risk Data Team, responsible for modernizing and managing risk data pipelines and systems that impact global financial stability. Your role involves hands-on development, team leadership, and continuous improvement of software quality.

eFinancialCareers Belfast, United Kingdom

Lead DevOps Engineer

This role involves leading the design and evolution of scalable, secure, and highly available trading infrastructure. Responsibilities include mentoring engineers, building CI/CD pipelines, automating infrastructure, and collaborating with global teams to improve reliability, security, and operational readiness.

eFinancialCareers London, United Kingdom

Cyber Security Engineer

The Cyber Security Engineer role involves working within a team to maintain a strong cyber security posture at customer sites, developing creative solutions to complex technical issues, and ensuring systems meet security baseline requirements. Responsibilities include working with security monitoring teams, developing new policies, and assessing system vulnerabilities.

Appcast Enterprise Huntingdon, United Kingdom

On-site Permanent Clearance Required

Python Developer - Trading Systems & Research Infrastructure No Finance Experience Needed

This role involves developing and optimizing components of a research and trading platform, working closely with quant researchers and portfolio managers. Responsibilities include building scalable tools for data analysis, performance tuning, and supporting model development, with a focus on Python and data pipelines.

eFinancialCareers London, United Kingdom

On-site Permanent

DevOps Engineer

This role involves designing, building, and managing cloud infrastructure on Azure or GCP, implementing IaC with Terraform, and optimizing CI/CD pipelines. You'll work in a cross-functional DevOps team to improve system reliability and scalability, focusing on secure and efficient delivery in a high-impact environment.

eFinancialCareers Manchester, United Kingdom £45,000 – £60,000 pa

Hybrid Permanent Clearance Required

Data Engineer

This role involves building and maintaining modern data platforms and pipelines in a collaborative team. You'll work closely with Data Scientists, Analysts, and Architects to deliver scalable data solutions and support complex data-driven projects in secure government environments.

eFinancialCareers London, United Kingdom £40,000 – £53,000 pa

Hybrid Permanent Flexible Clearance Required

DevOps Engineer

This role involves engineering and automating cloud infrastructure for a leading cyber and defence organisation. You'll work on secure, cloud-native platforms, implement IaC, build CI/CD pipelines, and support containerised environments. The focus is on delivering fast, secure, and reliable infrastructure for high-impact national security and government programmes.

eFinancialCareers London, United Kingdom £45,000 – £60,000 pa

Hybrid Permanent Clearance Required

Machine Learning Systems / AI Infrastructure Engineer- Quant / Systematic Trading Firms

This role involves building and optimizing the infrastructure for cutting-edge machine learning capabilities in quantitative trading firms. Responsibilities include large-scale distributed training, GPU infrastructure, high-performance inference, and developing research platforms to enable rapid model deployment.

eFinancialCareers London, United Kingdom

Senior System Engineer - Man Group plc

This role involves building and maintaining automation frameworks for Man Group's global trading and research operations. Responsibilities include designing infrastructure-as-code solutions, managing Kubernetes clusters, and creating self-service platforms. The position requires hands-on experience with tools like Terraform, Ansible, and Kubernetes, and a strong understanding of observability and monitoring practices.

eFinancialCareers London, United Kingdom

Senior Golang Engineer - AI Products & Platforms - Citi

This role involves designing and building AI-powered products and platforms using Golang, developing high-performance backend services and APIs, and contributing to cloud-native, microservices-based architectures. You will work closely with product, engineering, and AI teams to turn innovative ideas into production-ready solutions, focusing on scalability, resilience, and performance.

eFinancialCareers London, United Kingdom

AI Engineer

This role involves working on a variety of AI projects to deliver innovative solutions, collaborating with talented teams in a fast-paced, intellectually stimulating environment. The focus is on continuous learning and solving complex problems using technologies like Python, Open AI, LangGraph, LlamaIndex, Azure AI Search, and Kubernetes.

eFinancialCareers Newcastle upon Tyne, United Kingdom

Head of AI Solutions, COO Technology - MD C16 - Citi

This executive-level role involves leading the development and deployment of a unified AI strategy and platform across Citi's COO Technology organization. Responsibilities include defining the AI architecture, building a high-performing engineering team, and delivering production-grade AI solutions in highly regulated operational domains such as KYC, fraud detection, and global reconciliations. The role requires deep expertise in generative AI, agentic systems, and cloud AI platforms.

eFinancialCareers London, United Kingdom

Test Automaton Engineer

This role involves designing, implementing, and maintaining manual and automated test approaches for functional, integration, system, and regression testing. You will work with Python, AWS, and databases, focusing on security testing and ensuring compliance with CIS Security Controls. The position requires strong technical skills, problem-solving abilities, and the ability to work independently on complex testing challenges.

Appcast Enterprise Farnborough, GU14 7JT, United Kingdom

Cloud Engineer - Crypto- Systematic Quant Fund

This role involves designing, building, and delivering secure, reliable, and scalable cloud solutions for digital asset and crypto-related systems. You will work closely with development, trading, and operations teams to ensure the smooth running of cloud-based applications and tools, leveraging deep expertise in AWS services and infrastructure.

eFinancialCareers London, United Kingdom

On-site Permanent

Senior Front Office Engineer- Leading Global Energy Commodities Trading

This role involves partnering with traders and analysts to optimize trading processes, building scalable Python services and APIs, and designing cloud-native tools for the Front Office platform. You will work in a fast-paced, data-driven environment, focusing on systematic trading and risk management.

eFinancialCareers London, United Kingdom

On-site Permanent