Latest platform engineer Jobs

Principal DevOps Engineer - Decision Management Platform

Design and manage cloud infrastructure and CI/CD pipelines for a high-volume, low-latency decisioning platform used in fraud prevention and identity verification. Work with global teams to ensure scalability, reliability, and performance across public and on-prem cloud environments using containerization, automation, and observability tools.

Mastercard Howth, Fingal, Ireland

Hybrid Permanent Clearance Required

Principal DevOps Engineer - Decision Management Platform

Design and manage cloud infrastructure for a high-volume, low-latency decisioning platform used in fraud prevention and identity verification. Build scalable CI/CD pipelines and lead DevOps initiatives across global data centers, leveraging containerization, infrastructure-as-code, and observability tools. Collaborate with engineering teams to optimize performance, reliability, and cost efficiency in both public and on-prem environments.

Mastercard Ashbourne, Derbyshire, United Kingdom

Hybrid Permanent Clearance Required

Senior Software Engineer, Cloud and Analytics Platform - Macquarie Group

You will work on enhancing an innovative analytics and rapid delivery platform, leveraging cutting-edge technologies to support the Commodities and Global Markets business. Your role involves hands-on coding, system design, and collaboration with quantitative analysts and trading desks to automate infrastructure and embed AI-driven capabilities.

eFinancialCareers London, United Kingdom

Hybrid Permanent

Senior AI Rust Engineer C#, Platform Migration - Selby Jennings

You will build and scale a high-throughput, performance-critical trade management platform using Rust and C#/.NET. Responsibilities include developing low-latency services, maintaining existing systems, and optimizing performance and cloud costs in a distributed, event-driven environment with a focus on AI-assisted engineering.

eFinancialCareers London, United Kingdom

On-site Permanent

Principal Software Engineer

This role involves leading the architecture and development of high-performance, distributed systems handling large-scale data traffic. The engineer will design low-latency applications using C#/.NET and modern messaging technologies, while mentoring teams and shaping technical strategy. It focuses on robust backend systems with an emphasis on scalability, concurrency, and performance optimization.

Platform Recruitment Waterbeach, Cambridgeshire, United Kingdom £60,000 – £80,000 pa

On-site Permanent

Senior Machine Learning Engineer

Senior Machine Learning Engineer | Cambridge / Hybrid | £80,000–£120,000 + BonusJoin a fast-growing FinTech/InsurTech company in Cambridge that is transforming how financial and insurance products are built using machine learning and data-driven decision-making.Their platform leverages advanced ML models to...

Platform Recruitment Cambridge, United Kingdom

Software Engineer - C# .Net / SQL

This role involves developing and modernising a large-scale SaaS platform for the food and beverage industry using C# and .Net. You'll work on migrating legacy applications to .Net Core, building new features, and collaborating with QA and DevOps teams within Scrum frameworks.

Big Red Recruitment B11Ay, B1 1AY, United Kingdom £40,000 – £50,000 pa

Remote Permanent

Director of Platform and Product Security

This role involves leading the security of NScale's core GPU cloud infrastructure and the software built on it. Responsibilities include owning the security architecture, implementing controls, and embedding security practices into the development lifecycle. The role also focuses on supply chain security, application security, and governing AI-assisted development.

NScale United Kingdom

Hybrid Permanent

Principal Engineer (SVP) - Investment Banking - JAVA

Lead the design and development of a scalable, in-house financial platform using low-latency Java systems and modern distributed architecture. Drive end-to-end ownership across requirements, development, and production support in a highly regulated environment. Collaborate with product and engineering teams to build automated, observable, and secure microservices-based solutions.

Robert Walters London, United Kingdom £120,000 – £150,000 pa

Hybrid Permanent Clearance Required

Senior Full-Stack Engineer

This senior role involves owning a critical platform end-to-end, from architecture to delivery, while focusing on scalability, security, and compliance. You will design and build backend services, enhance frontend applications, and collaborate with leadership to shape the technical direction of products supporting telecom operators and global partners.

Addition London, United Kingdom £85,000 – £100,000 pa

Remote Permanent Clearance Required

DevOps Engineer

This role involves managing and improving Azure infrastructure, CI/CD pipelines, and platform security for a major public sector programme. You will support ongoing migration activities, environment management, and disaster recovery planning, while working in a regulated, security-conscious environment.

Brio Digital Baker Street, Greater London, London, United Kingdom £500 pd

Hybrid Contract Flexible Clearance Required

DevOps Engineer (APIM)

This role involves modernising a client's API and cloud platform by migrating APIs into Azure API Management, managing cloud infrastructure on Azure, and operating containerised environments with Kubernetes. The engineer will implement Infrastructure as Code, support CI/CD pipelines, and collaborate directly with stakeholders to deliver solutions. The position requires hands-on technical delivery and problem-solving in a fast-paced environment.

TXP Birmingham, West Midlands (county), United Kingdom £400 – £500 pd

Remote Contract

Cloud Engineer

The Cloud Engineer role involves hands-on engineering, operational support, and continuous improvement of Azure cloud infrastructure. Responsibilities include deploying and maintaining Azure services, implementing IaC, applying security and governance controls, and collaborating with architects and security teams to deliver scalable and resilient cloud solutions.

JAM Recruitment United Kingdom £365 pd

Hybrid Contract Flexible Clearance Required

Cloud Engineer

The Cloud Engineer will lead platform change initiatives, modernize the cloud estate, and support hybrid infrastructure environments. Key responsibilities include managing Azure subscriptions, implementing infrastructure-as-code, and migrating workloads from on-premise to cloud platforms.

VIQU IT Birmingham, West Midlands (county), United Kingdom £400 – £500 pd

Hybrid Contract

AWS Engineer

This role involves maintaining and supporting a live Amazon Connect environment, handling day-to-day incidents and configuration tasks, while leading a structured handover and transition to a new contact centre platform. The engineer will capture technical knowledge, improve documentation, and ensure service continuity during the migration. It requires strong hands-on AWS and Amazon Connect expertise, with a focus on system optimisation and integration across voice, email, and chat channels.

Hays Technology Birmingham, West Midlands (county), United Kingdom £500 – £600 pd

Hybrid Contract