34 senior platform engineer jobs found

We’re looking for an EPOS & SCO Platform Engineer to build, configure, and support the in-store point of sale and self-checkout platforms across the estate. You’ll own the full lifecycle of Travel Money Kiosks, EPOS and Hospitality infrastructure, including till hardware, self-checkout units, peripherals, and backend systems—ensuring services are secure, compliant, resilient, and consistently deployed at scale. You’ll automate provisioning, configuration, updates, and monitoring so stores benefit from reliable transaction processing, seamless customer journeys, and minimal downtime. Success means stable retail operations, predictable performance, and confidence from store colleagues, product owners, and operations teams. This is a hybrid role where 3 days per week are expected on site in Bracknell. Requirements Role Responsibilities: Design, build, and maintain EPOS and SCO infrastructure (Tills, Self-Checkouts, peripherals, controllers) across Windows 10,...

Job Title: Senior Platform Engineer (AWS) – Data Platform Focus Location: Hybrid, 2days/week onsite-London, UK Duration: 6Months+ Contract Outside IR35 520GBP/Day Outside IR35 Overview We are hiring a Senior Platform Engineer (AWS) to work on a large project focused on moving data to AWS and building a modern data platform. The role is mainly platform and DevOps focused, with some involvement in data migration and data pipelines. We’re looking for someone who is strong in AWS, infrastructure, and automation, and can help build a scalable and reliable platform. This is a senior role, so you’ll play an important part in strengthening the team and supporting delivery. Key Responsibilities Design and implement scalable AWS platform architecture to support data migration and ingestion Deliver platform engineering and infrastructure solutions (IaC, networking, security, environments) Build and maintain CI/CD pipelines and DevOps frameworks Support...

Job Title: Senior Platform Engineer (AWS) - Data Platform Focus Location: Hybrid, 2days/week onsite-London, UK Duration: 6Months+ Contract Outside IR35 520GBP/Day Outside IR35 Overview We are hiring a Senior Platform Engineer (AWS) to work on a large project focused on moving data to AWS and building a modern data platform.The role is mainly platform and DevOps focused, with some involvement in data migration and data pipelines.We're looking for someone who is strong in AWS, infrastructure, and automation, and can help build a scalable and reliable platform. This is a senior role, so you'll play an important part in strengthening the team and supporting delivery. Key Responsibilities Design and implement scalable AWS platform architecture to support data migration and ingestion Deliver platform engineering and infrastructure solutions (IaC, networking, security, environments) Build and maintain CI/CD pipelines and DevOps frameworks Support...

We're looking for an EPOS & SCO Platform Engineer to build, configure, and support the in-store point of sale and self-checkout platforms across the estate. You'll own the full lifecycle of Travel Money Kiosks, EPOS and Hospitality infrastructure, including till hardware, self-checkout units, peripherals, and backend systems—ensuring services are secure, compliant, resilient, and consistently deployed at scale. You'll automate provisioning, configuration, updates, and monitoring so stores benefit from reliable transaction processing, seamless customer journeys, and minimal downtime. Success means stable retail operations, predictable performance, and confidence from store colleagues, product owners, and operations teams. This is a hybrid role where 3 days per week are expected on site in Bracknell. Requirements Role Responsibilities: Design, build, and maintain EPOS and SCO infrastructure (Tills, Self-Checkouts, peripherals, controllers) across Windows...

We are working with a leading London-based organisation that is building a modern, enterprise-wide data platform using Microsoft Fabric and is seeking a Senior Data Engineer to play a key role in its development. This is a hands-on role within a greenfield Fabric environment, supporting critical business areas including finance, operations, and strategic decision-making. The successful candidate will design and deliver scalable data solutions across ingestion, modelling, and optimisation, working closely with cross-functional teams to help shape a robust, future-ready data platform. This role requires the Senior Data Engineer to be onsite at the client's London offices three days per week. Skills/Responsibilities Experience of designing and building scalable, production-grade data pipelines and Lakehouse/Warehouse solutions using Microsoft Fabric (OneLake, Dataflows Gen2, Pipelines, Notebooks) Experience of implementing advanced Fabric capabilities such as Shortcuts,...

2nd Line Support Engineer (Infrastructure) Location: Hybrid / UK-based Contract Length: 6 months IR35 Status: Outside IR35 Overview We are seeking a proactive and detail-oriented 2nd Line Support Engineer to support and maintain server infrastructure across both on-premise and cloud environments. This is a hands-on role suited to someone with solid foundational experience who is looking to deepen their skills across infrastructure, backend systems, and some frontend/server-facing technologies. You will work closely with senior engineers to support, monitor, and maintain systems, assist with upgrades, and ensure platform stability within a highly regulated environment. Key Responsibilities Provide 2nd line support for physical and virtual server environments Monitor system performance, investigate issues, and carry out troubleshooting across backend infrastructure Support and maintain Windows Server platforms (basic Linux exposure beneficial) Assist with server...

At Mindera, we craft software with people we love. We’re looking for a Principal Java Engineer with strong Retail experience who can join our crew! Please note: This is a six month contract that sits outside IR35. You will be required to work in Paddington 3 days a week. What does the role involve? Lead technical deep dives and knowledge sharing in the teams, anticipating challenges and proposing solutions Start influencing product and business decisions Hands-on Software Development Write high-quality Java code using frameworks such as Spring Boot or Micronaut. Build robust services that support secure, high-volume payment transactions. Develop integrations with acquiring banks, payment gateways, and fraud detection tools. Cloud & DevOps Practices Build and support cloud-native systems on the cloud (preferably Azure) using Terraform and Kubernetes. Manage CI/CD pipelines using GitHub Actions and ensure smooth delivery to production....

2nd Line Support Engineer (Infrastructure) Location: Hybrid / UK-based Contract Length: 6 months IR35 Status: Outside IR35 Overview We are seeking a proactive and detail-oriented 2nd Line Support Engineer to support and maintain server infrastructure across both on-premise and cloud environments. This is a hands-on role suited to someone with solid foundational experience who is looking to deepen their skills across infrastructure, backend systems, and some frontend/server-facing technologies. You will work closely with senior engineers to support, monitor, and maintain systems, assist with upgrades, and ensure platform stability within a highly regulated environment. Key Responsibilities Provide 2nd line support for physical and virtual server environments Monitor system performance, investigate issues, and carry out troubleshooting across backend infrastructure Support and maintain Windows Server platforms (basic Linux exposure beneficial) Assist with server...

2nd Line Support Engineer (Infrastructure) Location: Hybrid / UK-based Contract Length: 6 months IR35 Status: Outside IR35 Overview We are seeking a proactive and detail-oriented 2nd Line Support Engineer to support and maintain server infrastructure across both on-premise and cloud environments. This is a hands-on role suited to someone with solid foundational experience who is looking to deepen their skills across infrastructure, backend systems, and some frontend/server-facing technologies. You will work closely with senior engineers to support, monitor, and maintain systems, assist with upgrades, and ensure platform stability within a highly regulated environment. Key Responsibilities Provide 2nd line support for physical and virtual server environments Monitor system performance, investigate issues, and carry out troubleshooting across backend infrastructure Support and maintain Windows Server platforms (basic Linux exposure beneficial)...

2nd Line Support Engineer (Infrastructure) - Outside IR35 Location: Hybrid/UK-based Contract Length: 6 months IR35 Status: Outside IR35 Overview We are seeking a proactive and detail-oriented 2nd Line Support Engineer to support and maintain server infrastructure across both on-premise and cloud environments. This is a hands-on role suited to someone with solid foundational experience who is looking to deepen their skills across infrastructure, Back End systems, and some frontend/server-facing technologies. You will work closely with senior engineers to support, monitor, and maintain systems, assist with upgrades, and ensure platform stability within a highly regulated environment. Key Responsibilities Provide 2nd line support for physical and virtual server environments Monitor system performance, investigate issues, and carry out troubleshooting across Back End infrastructure Support and maintain Windows Server platforms (basic Linux exposure beneficial) Assist...

Senior AWS Engineer - Up to £500 per day 6 month initial contract Fully Remote - UK Based Outside IR35 Role Overview We are seeking an experienced Senior AWS Engineer to join our Professional Services delivery team on a fixed term basis to support the delivery of a major AWS migration and separation programme for an enterprise customer. This role will form part of a multi-disciplinary delivery team working alongside Solution Architects, Project Managers, and customer technical stakeholders to build, migrate, and deploy AWS infrastructure and application services as part of a structured separation of an existing hybrid estate into a new AWS Organisation. The successful candidate will play a hands-on role in delivering landing zone implementation, networking build activities, server migration, and application platform deployment using Infrastructure as Code (IaC) approaches. This is a customer-facing delivery role within a professional services consultancy...

Costello & Reyes Group Ltd has been engaged by its client, an international Finance house to identify a CyberArk (PAM) Architect for an initial 12 - 18 months engagement (with a likelihood to extend). Overview The Senior CyberArk Architect will be responsible for designing, implementing, and governing enterprise-grade Privileged Access Management (PAM) and identity security solutions across complex hybrid and multi-cloud environments. This role requires deep technical expertise in CyberArk platforms, identity security architecture, and Zero Trust principles, alongside strong experience integrating security technologies across cloud, infrastructure, and enterprise identity ecosystems. The role will act as a senior technical authority, shaping security architecture decisions, leading implementation strategy, and ensuring alignment with industry frameworks and organisational security standards. Key Responsibilities Security Architecture & Design Lead the design...

Senior Backend Engineer (TypeScript / GCP) London (2 days hybrid onsite presence), 6 Month Contract, Outside IR35 We’re working with a high-growth fintech platform undergoing a major phase of product expansion. They are looking for Senior Backend Engineers to join an established team and contribute immediately to delivering production ready features across new product lines. This is a hands-on build role, ideal for engineers who are comfortable joining an existing codebase and shipping value from the first few weeks. What You’ll Be Doing Building and delivering end-to-end backend features in a live production environment Writing production-quality code (tested, observable, scalable) Contributing to technical design decisions within your workstream Collaborating closely with engineers via code reviews and shared standards Taking full ownership of services, including debugging and ongoing improvements Tech Stack (Must-Have) TypeScript (Node.js /...

Senior Backend Engineer (TypeScript/GCP) London (2/3 hybrid onsite presence), 6 Month Contract, Outside IR35 We're working with a high-growth fintech platform undergoing a major phase of product expansion. They are looking for Senior Backend Engineers to join an established team and contribute immediately to delivering production ready features across new product lines. This is a hands-on build role, ideal for engineers who are comfortable joining an existing codebase and shipping value from the first few weeks. What You'll Be Doing Building and delivering end-to-end Back End features in a live production environment Writing production-quality code (tested, observable, scalable) Contributing to technical design decisions within your workstream Collaborating closely with engineers via code reviews and shared standards Taking full ownership of services, including debugging and ongoing improvements Tech Stack (Must-Have) TypeScript (Node.js/Bun/Deno)...

Data Engineer l Azure l Fabric l Pyspark l Greenfield l 6-Month Contract | £475- £500 per day | Outside IR35 l Hybrid 3 days in London We 're partnering with a leading London-based organisation that 's building a modern, enterprise-wide data platform on Microsoft Fabric and is seeking a Senior Data Engineer to support its delivery. This is a hands-on role within a greenfield Fabric environment, working across finance, operations, and strategic decision-making. You 'll design and build scalable data solutions end to end, collaborating closely with technical and business teams to shape a robust, future-ready platform. The role requires onsite attendance at the client 's London office three days per week. Skills & Experience Strong experience delivering production-grade data pipelines and Lakehouse/Warehouse solutions in Microsoft Fabric Solid background in data modelling and architecture (Star Schema, Data Vault, Medallion), with a focus on...

Senior Java Engineer – Hedge Fund Contract Outside IR35 £1100 PD 2 month contract Hybrid Quant Capital is urgently looking for a Senior Java Engineer to join our high profile client. Our client is a well known Systematic Trading Hedge Fund. They like technology especially the opensource variety as well as scalability and robust performance (much like their track record). They currently run around £2 billion in liquid capital. The business has expanded continuously and is building a new risk engine for their systematic fund clients. This role will be working with a large distributed system (Built in Java) automating a large volume of realtime data into a portfolio management system. I am looking for a proficient developer with good data knowledge and an understanding of latency. I am looking for an engineer with strong core Java knowledge who is happy to learn risk. You should be happy to expand a data platform from scratch with some serious help on the...

Senior DevOps Engineer (Azure / Terraform) £550 - £650 per day | Outside IR35 | 6 Month Contract | Remote Overview An exciting opportunity has arisen for a Senior DevOps Engineer to join an established project delivering within a modern, cloud-first environment. You'll be joining a lean, high-performing team, where DevOps is central to delivery not an afterthought. This role offers a high level of ownership, with the opportunity to shape infrastructure, improve reliability, and influence engineering best practices across the wider team. We're looking for someone with deep Azure and Terraform expertise, who is comfortable operating in a hands-on capacity, while also mentoring others and driving improvements across CI/CD, observability, and security. Role & Responsibilities Design, build, and manage Azure infrastructure using Terraform, including modules, state management, and pipelines Develop and maintain CI/CD workflows (GitHub Actions, Azure...

Senior .NET / Full Stack Developer – Hybrid – £500/day Outside IR35 | C# | Azure | Event-Driven Systems | Payments | API-Driven We have a unique opportunity for a Senior .NET / Full Stack Developer to join a payments company. As a Senior .NET / Full Stack Developer , you’ll play a key role in building and scaling a high-throughput payments platform as the business enters its next phase of growth. This includes launching new products, enabling new partner integrations, and expanding a platform that already powers multiple live financial services products used globally. You’ll be building on top of a modern, cloud-native platform built with .NET and Azure , designed around API-first architecture and event-driven microservices . The platform supports complex payment flows, partner integrations, and high-volume transaction processing. This is a hands-on senior engineering role where you’ll contribute to architectural discussions, drive engineering best...

La Fosse is currently recruiting a contract Data Engineer (12 months) on behalf of a global financial services company. They require an experienced Data Engineer with extensive experience in building and maintaining Data Lakehouses in Azure. The ideal candidate will have a strong background in Python programming, with specific experience building high performance and scalable pipelines in Databricks with Spark. The new data platform will serve a range of end users in the Capital Markets division, so experience across areas such as derivatives, risk, PnL, trade life cycle, market data are highly desired. Key Responsibilities: Engineer robust, scalable and efficient data pipelines using Spark & Python in Databricks Demonstrate best practices in the design & development of data pipelines Data modelling on medallion architecture, ensuring schema is intuitive and serves business users analytical and reporting objectives What you'll need: Expert in building data...

Chief Architect Location: UK or Ireland (regular travel required) Type: Full-time | Initial 3–6 month contract with potential to become permanent £650-£700pd + Dependent on experience  (Outside IR35) Overview A technology organisation in the public sector space is looking for a Chief Architect to define and lead its end-to-end platform architecture. You’ll set technical direction, ensure systems are secure and scalable, and align architecture with business and product strategy. Key Responsibilities Define and own enterprise architecture strategy and standards Lead design reviews and govern architectural decisions Ensure scalable, resilient, and secure system design Drive cloud-native, microservices, API, and data architecture adoption Maintain platform consistency across regions and teams Collaborate with engineering, product, and senior stakeholders Mentor engineers and promote best practices Skills & Experience 10+ years in software engineering,...