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18 systems engineer jobs found in London

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London systems engineer £400 - £500
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Greater London  (18) Remote  (2)
Outside Spy
Mar 19, 2026
6 Months or more
Lead Data Engineer | Azure DWH | £520 Outside IR35 at Akkodis, City of London, 7 Months, £450-£520 per day
£450 - £520 per day
Outside Spy City of London, UK
Lead Data Engineer | Wealth Mgmt | Azure DWH | £520 p/d | Outside IR35 Partnering with a top London consultancy delivering a new Azure Data Warehouse for a wealth management firm. Legacy, manual processes need modernising - no cutting-edge tech, just a solid, reliable Azure build. You'll: Lead and own the Azure DWH end-to-end Modernise a manual platform Work closely with financial stakeholders Integrate with existing systems Operate as the sole engineer initially You need: FS/wealth/asset management experience Azure DWH delivery (ADLS, ADF, Synapse) Strong stakeholder management Autonomous, pragmatic approach If this sounds like you (or someone you know), please reach out ASAP (see below) Modis International Ltd acts as an employment agency for permanent recruitment and an employment business for the supply of temporary workers in the UK. Modis Europe Ltd provide a variety of international solutions that connect clients to the best talent in the world....
Outside Spy
Mar 17, 2026
6 Months or more
Senior Full Stack Engineer (back-end) | Outside IR35 | Hybrid at Gravitas Recruitment Group Ltd, London, 6 Months, £450-£550 per day
£450 - £550 per day
Outside Spy London, UK
Senior Fullstack Engineer £450-550 per day 6 months Outside IR35 Hybrid - 2 days per week on site (London) We're supporting a high-growth, AI-driven product business building a scalable platform from the ground up. They operate as a small, high-calibre team with high standards, low bureaucracy, and real ownership. They're looking for a Senior Fullstack Engineer (Back End leaning) to take responsibility for core Back End systems and help shape product direction in fast-moving environment. This is a role for someone who is comfortable building without perfect specs and takes initiative naturally. Requirements Strong Node.js and GraphQL (NestJS) experience PostgreSQL, Prisma, and solid data structures/OOP fundamentals Experience building high-concurrency, event-driven systems GCP experience (Terraform desirable) Experience working with AI/LLMs in production environments Strong focus on system reliability (monitoring, alerting, logging, testing,...
Outside Spy
Mar 16, 2026
6 Months or more
GCP DevOps Engineer | Outside IR35 at SR2 - Socially Responsible Recruitment, London, 6 Months, £500-£600 per day
£500 - £600 per day
Outside Spy London, UK
GCP DevOps Engineer | Outside IR35 We are working with a growing consultancy delivering complex digital and cloud transformation programmes. They are looking for a GCP DevOps Engineer to join a high-performing engineering team on a contract basis, helping design, build and support scalable cloud platforms for large-scale projects. The Role You will play a key role in building and maintaining cloud-native infrastructure within Google Cloud Platform , enabling development teams to deliver secure, scalable and reliable services. Working within an agile engineering environment, you will focus on automation, CI/CD, infrastructure as code and platform reliability , helping teams ship production-ready systems while maintaining strong operational standards. You will collaborate closely with developers, architects and platform engineers to improve deployment pipelines, optimise cloud environments and ensure best practices across infrastructure and security. Key Responsibilities...
Outside Spy
Mar 16, 2026
Duration not stated
Data Warehouse Engineer - Outside IR35 - Hybrid at Tenth Revolution Group, City of London, £400-£450 per day
£400 - £450 per day
Outside Spy City of London, UK
Data Warehouse Engineer - Outside IR35 - Hybrid Job Summary We are seeking a skilled Data Warehouse Engineer with strong Power BI experience to design, develop, and maintain scalable data warehouse solutions and deliver impactful Business Intelligence dashboards. The ideal candidate will have expertise in data modelling, ETL/ELT processes, and Power BI reporting to support data-driven decision-making across the organization. Key Responsibilities Design, develop, and maintain enterprise data warehouse architectures and data pipelines. Build and optimize ETL/ELT processes to integrate data from multiple sources. Develop and maintain Power BI dashboards and reports that provide actionable business insights. Implement data models (star schema, snowflake schema) optimized for analytics and reporting. Ensure data quality, consistency, and governance across the data warehouse. Optimize query performance and data refresh processes . Work closely with...
Outside Spy
Mar 13, 2026
Duration not stated
Senior Python Engineer at Gravitas Recruitment Group Ltd, City of London, £250-£400 per day
£250 - £400 per day
Outside Spy City of London, UK
Overview We are seeking a Senior Python Developer to support a large-scale digital transformation programme. The role focuses on building reliable Back End services, improving system performance, and contributing to a modern, scalable engineering environment. The client is open to strong EU-based talent. Role Detail: Contract Length: 3-6 months Rate: £250-400/day Outside IR35 (Depending on experience) Work Model: Fully Remote Key Skills and Experience Strong commercial experience with Python (Django) Solid understanding of REST APIs , microservices, and Back End architecture. Experience with cloud environments (AWS & Azure). Familiarity with CI/CD pipelines and modern DevOps practices. Strong understanding of relational and/or PostgreSQL. Ability to work in distributed teams and communicate clearly. Experience with Typescript and Svelte Good problem-solving skills and attention to detail. Nice to Have Experience with containerisation (Docker,...
Outside Spy
Mar 12, 2026
Duration not stated
Senior / Lead Full-Stack TypeScript Engineer (GraphQL Specialist) | Contract | TypeScript, Node.js, GraphQL | Large-Scale Media Platform | £500-600/day Outside IR35 | 6 Months | London Hybrid 2 days at Owen Thomas | Pending B Corp™, London Area, £500-£600
£500 - £600 per day
Outside Spy London Area, United Kingdom
Senior / Lead Full-Stack TypeScript Engineer (GraphQL Specialist) | Contract | TypeScript, Node.js, GraphQL | Large-Scale Media Platform | £500-600/day Outside IR35 | 6 Months | London Hybrid 2 days We’re supporting one of the UK’s largest consumer digital platforms as they scale their engineering capability across several high-traffic products used by millions of customers. They’re looking for Senior / Lead Full-Stack TypeScript Engineers with deep GraphQL expertise to help evolve and scale their API architecture. This role sits within a high-performing product engineering team responsible for building and maintaining critical services that power modern web and mobile experiences. You’ll play a key role in designing and evolving GraphQL schemas, improving API architecture, and delivering performant full-stack applications within a mature engineering environment. This is an opportunity to work on complex distributed systems at significant scale, collaborating...
Outside Spy
Mar 11, 2026
Duration not stated
Senior / Lead Full-Stack TypeScript Engineer (GraphQL Specialist) | Contract | TypeScript, Node.js, GraphQL | Large-Scale Media Platform | £500-600/day Outside IR35 | 6 Months | London Hybrid 2 days at Owen Thomas | Pending B Corp™, London Area, £500-£600
£500 - £600 per day
Outside Spy London Area, United Kingdom
Senior / Lead Full-Stack TypeScript Engineer (GraphQL Specialist) | Contract | TypeScript, Node.js, GraphQL | Large-Scale Media Platform | £500-600/day Outside IR35 | 6 Months | London Hybrid 2 days We’re supporting one of the UK’s largest consumer digital platforms as they scale their engineering capability across several high-traffic products used by millions of customers. They’re looking for Senior / Lead Full-Stack TypeScript Engineers with deep GraphQL expertise to help evolve and scale their API architecture. This role sits within a high-performing product engineering team responsible for building and maintaining critical services that power modern web and mobile experiences. You’ll play a key role in designing and evolving GraphQL schemas, improving API architecture, and delivering performant full-stack applications within a mature engineering environment. This is an opportunity to work on complex distributed systems at significant scale, collaborating...
Outside Spy
Mar 10, 2026
Duration not stated
Artificial Intelligence Engineer at LT Harper Recruitment Group, London Area, £500 per day
£500 per day
Outside Spy London Area, United Kingdom
AI Engineer (Contract) – £500/day Outside IR35 📍 Canary Wharf, London (3 days onsite) 🇬🇧 UK-based applicants only We’re looking for experienced AI Engineers who think holistically, automate relentlessly, and know how to turn modern AI capabilities into production-grade, high-impact applications . Our AI organisation is building real-world AI products that deliver business value at speed. This role is ideal for seasoned engineers who combine strong software engineering fundamentals with a pragmatic, hands-on approach to AI tooling and infrastructure. What you’ll be doing Designing, building, and maintaining production-grade AI applications using modern engineering practices (CI/CD, testing, observability, cloud-native design). Developing reusable AI platforms and tools (e.g. conversational bots, AI-powered search, unstructured data processing, GenAI solutions). Working in cross-functional, embedded teams with business stakeholders to rapidly deliver...
Outside Spy
Mar 10, 2026
Duration not stated
Senior / Lead Full-Stack TypeScript Engineer (GraphQL Specialist) | Contract | TypeScript, Node.js, GraphQL | Large-Scale Media Platform | £500-600/day Outside IR35 | 6 Months | London Hybrid 2 days at Owen Thomas | Pending B Corp™, London Area, £500-£600
£500 - £600 per day
Outside Spy London Area, United Kingdom
Senior / Lead Full-Stack TypeScript Engineer (GraphQL Specialist) | Contract | TypeScript, Node.js, GraphQL | Large-Scale Media Platform | £500-600/day Outside IR35 | 6 Months | London Hybrid 2 days We’re supporting one of the UK’s largest consumer digital platforms as they scale their engineering capability across several high-traffic products used by millions of customers. They’re looking for Senior / Lead Full-Stack TypeScript Engineers with deep GraphQL expertise to help evolve and scale their API architecture. This role sits within a high-performing product engineering team responsible for building and maintaining critical services that power modern web and mobile experiences. You’ll play a key role in designing and evolving GraphQL schemas, improving API architecture, and delivering performant full-stack applications within a mature engineering environment. This is an opportunity to work on complex distributed systems at significant scale, collaborating...
Outside Spy
Mar 10, 2026
6 Months or more
Yardi Application Support Engineer, £500 per day outside IR35 at Bench IT Limited, London, 6 Months, £500 per day
£500 per day
Outside Spy London, UK
Yardi Application Support Engineer, £500 per day outside IR35 6 months rolling, London Bench IT require an experienced Application Support Engineer to Support the Yardi application. The successful engineer will be required to work 3 days per week in London and should have the skills and experience included below; Responsibilities Administer enterprise-wide Yardi configurations including user permissions, security groups, custom menus, deployment packages, and system hotfixes Configure bank check formats and coordinate multi-party testing with financial institutions and property management teams Establish new task runners for emerging funds to improve reporting accuracy and operational efficiency Lead end-to-end application integration projects with downstream systems from requirements gathering through production rollout Establish and coordinate disaster recovery testing protocols to validate business continuity capabilities and minimize operational risk...
Outside Spy
Mar 10, 2026
Duration not stated
SC Cleared Data Warehouse Engineer - Outside IR35 - Remote at Tenth Revolution Group, London, £400-£500 per day
£400 - £500 per day
Outside Spy Remote (London, UK)
SC Cleared Data Warehouse Engineer - Outside IR35 - Remote Role Overview We are seeking a skilled Data Warehouse Engineer to design, build, and maintain scalable data warehouse solutions within the Microsoft Azure ecosystem. The role focuses on developing robust data models, optimizing analytical queries, and supporting enterprise reporting through Azure SQL, OLAP technologies, and DAX-powered semantic models. You will collaborate with data engineers, analysts, and business stakeholders to ensure reliable, high-performance data pipelines and analytics platforms. Key Responsibilities Data Warehouse Development Design and develop enterprise data warehouse solutions using Azure SQL Database/Azure SQL Managed Instance/Azure Synapse Analytics. Build and maintain star and snowflake schemas for analytical workloads. Develop ETL/ELT pipelines for ingesting and transforming data from multiple source systems. Implement data partitioning, indexing, and performance...
Outside Spy
Mar 09, 2026
Duration not stated
SC Cleared Control-M Consultant at ECS Resource Group Ltd, London, £500 to £550 per Day
£500 - £550 per day
Outside Spy London, UK
SC Cleared Control-M Consultant Initial 20-day Contract Remote £500 - £550, outside IR35 We are looking for a Control-M Scheduling Engineer with strong experience in distributed job scheduling and automation. The role involves building and maintaining scheduling workflows, integrating systems using APIs/CLI, and supporting enterprise workload automation. Responsibilities: Control-M Distributed scheduling Creating Control-M Application Integrator jobs (API / CLI based) Experience with Control-M out-of-the-box integrations / plugins Linux and Windows scripting (e.g., Bash, Shell, PowerShell) Requirements: SC Cleared (essential) Proven experience with Control-M Distributed scheduling Experience creating Control-M Application Integrator jobs, particularly using APIs and CLI integrations Strong scripting skills in Linux and Windows environments (e.g., Bash, Shell, PowerShell) ECS Recruitment Group Ltd is acting as an Employment Business in relation to this vacancy.
Outside Spy
Mar 09, 2026
Duration not stated
Senior / Lead Full-Stack TypeScript Engineer (GraphQL Specialist) | Contract | TypeScript, Node.js, GraphQL | Large-Scale Media Platform | £500-600/day Outside IR35 | 6 Months | London Hybrid 2 days at Owen Thomas | Pending B Corp™, London Area, £500-£600
£500 - £600 per day
Outside Spy London Area, United Kingdom
Senior / Lead Full-Stack TypeScript Engineer (GraphQL Specialist) | Contract | TypeScript, Node.js, GraphQL | Large-Scale Media Platform | £500-600/day Outside IR35 | 6 Months | London Hybrid 2 days We’re supporting one of the UK’s largest consumer digital platforms as they scale their engineering capability across several high-traffic products used by millions of customers. They’re looking for Senior / Lead Full-Stack TypeScript Engineers with deep GraphQL expertise to help evolve and scale their API architecture. This role sits within a high-performing product engineering team responsible for building and maintaining critical services that power modern web and mobile experiences. You’ll play a key role in designing and evolving GraphQL schemas, improving API architecture, and delivering performant full-stack applications within a mature engineering environment. This is an opportunity to work on complex distributed systems at significant scale, collaborating...
Outside Spy
Mar 06, 2026
Duration not stated
ML Engineer - Image - Remote - Outside IR35 at Morson Edge, The Borough, London, £385-£400 per day
£385 - £400 per day
Outside Spy Remote (Southwark, London SE1 3SS, UK)
This is a fantastic opportunity to work as an ML Engineer on a remote basis, outside IR35, for a major pharmaceutical company. The key skills required for this ML Engineer position are: Building ML systems Computer Vision Building processing pipelines for image data AWS PyTorch, TensorFlow, JAX If you do have the relevant experience for this long term remote contract ML Engineer role, outside IR35, please do apply.
Outside Spy
Mar 17, 2026
Duration not stated
Application Packager at VIQU Ltd, London, £400-£500 per day
£400 - £500 per day
Outside Spy London, UK
Application Packager - 2-month contract - Outside of IR35 - London/Remote My Customer is currently looking for an experienced Application Packager to support a Windows OS migration across Point of Sale (POS) devices used within restaurant environments . This role will play a key part in ensuring that applications are successfully prepared, tested and deployed as part of a large-scale rollout. The focus of the role will be to simplify and streamline the current rollout process used by Field Engineers , reducing the length and complexity of the existing documentation to help avoid issues during the update and migration of applications on POS devices. Key Skills & Experience from the Application Packager: Strong experience in manual application packaging within Windows environments. Experience supporting Windows OS migrations or large-scale application deployment programmes. Excellent knowledge of Command Line, Batch Scripting, and Command Logic . Ability to...
Outside Spy
Mar 16, 2026
up to 6 Months
Golang Engineer at Arrows Group Professional Limited, London, 2 Months, £500 per day
£500 per day
Outside Spy London, UK
Senior Golang/Go Engineer - Contract - £500 per day (Outside IR35) - London A well known UK tech business is looking for a Senior Golang/Go Engineer to join on an initial 2 month contract, with a strong chance of extension. Key details . Up to £500 per day (Outside IR35) . Initial 2 month contract . 80% Back End (Golang) with some React . 1 day per week onsite in London . ASAP start . Fast interview process This is a hands on role building scalable Back End services and APIs. They're looking for someone product focused who understands the user journey, with experience around observability and system reliability. You'll need to be a senior engineer who can take ownership, lead projects, and drive delivery, even if you're not formally a Lead Engineer. Apply now for more details. Interviews are moving quickly.
Outside Spy
Mar 12, 2026
Duration not stated
Mid-Level .NET / Full Stack Developer – Hybrid – £450/day Outside IR35 | C# | Azure | Event-Driven Systems | Payments | API-Driven at VirtueTech Recruitment Group, London Area, £450 per day
£450 per day
Outside Spy London Area, United Kingdom
Mid-Level .NET / Full Stack Developer – Hybrid – £450/day Outside IR35 | C# | Azure | Event-Driven Systems | Payments | API-Driven We have a great opportunity for a Mid-Level .NET / Full Stack Developer to join a growing payments company. As a .NET Developer , you’ll be working as part of an experienced engineering team building and scaling a high-throughput payments platform. The business is entering its next phase of growth, launching new products, enabling new partner integrations, and expanding a platform that already powers multiple live financial services products used globally. You’ll be contributing to 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 development role where you’ll work closely with senior engineers to deliver reliable, scalable...
Outside Spy
Mar 10, 2026
6 Months or more
Software Development Team Lead at Salt, London, 12 Months, £500-£650 per day
£500 - £650 per day
Outside Spy London, UK
Software Development Team Lead Outside IR35 | Hybrid London We are looking for two Software Development Team Leads to join a growing engineering team building an AI driven digital learning platform. This role will focus on scaling an existing product from early stage usage to high user volumes. You will work hands on across Python, Node, Typescript and AWS, contributing directly to code while helping shape technical direction. The role starts hands on and will grow into mentoring and light people leadership as the team expands. You will work closely with product, design and senior engineers to deliver new features, improve performance and ensure the platform is secure, reliable and scalable. Key Responsibilities Hands on development using Python, Node, Typescript and AWS Support technical design, architecture and decision making Mentor engineers and contribute to code reviews and best practice Help scale the platform to support significant user growth Contribute to...
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