52 integration engineer jobs found in London

🚀 Back-End Integration Engineer (Contract | Outside IR35) 📍 London (Hybrid: 2–3 days onsite) 💰 £700/day Outside IR35 PLEASE ONLY APPLY IF YOU HAVE THE TECHNICAL SKILLS AS FOLLOWS YOU MUST BE AVAILABLE ON SHORT NOTICE (2 WEEKS MAX) We’re partnering with a top insurer as they continue to modernise their technology landscape with cloud-first platforms, integrations, and automation. This is an initial 6-month contract (Outside IR35) with a strong likelihood of extension or permanent conversion for the right candidate. Strong possibility of offer of a permanent role after or extensions. 🔧 The Role As a Back-End Integration Engineer , you’ll play a key role in designing, building, and maintaining APIs and integration services that connect systems across the organisation. You’ll be hands-on, working across cloud platforms, shaping integration patterns, and improving how data flows between applications—supporting underwriting, operations, and...

Integration Engineer (Azure / Power Platform) Location: Manchester or London (1–2 days onsite, flexible) Contract: 6 months (outside IR35) Day Rate: Negotiable DOE About the Role We are looking for experienced Integration Engineers to support a growing digital engineering function, focused on building and scaling Azure-native integrations across the business. This role sits within a small but high-impact integrations team, working on key transformation initiatives including finance system integration and international business modernisation. The organisation is transitioning away from legacy integration platforms (e.g. MuleSoft) towards a more scalable, Azure-first architecture. Key Responsibilities Design, build, and maintain Azure-native integrations using: Logic Apps Azure Service Bus Power Platform (Power Apps / Power Automate) Develop and extend integrations using Python and/or JavaScript Build workflows to enable data movement...

Azure Back End Integration Engineer i3 London Area, United Kingdom (Hybrid) Save Apply ?? Back-End Integration Engineer (Contract Outside IR35) ?? London (Hybrid: 2-3 days onsite) ?? £700/day Outside IR35 PLEASE ONLY APPLY IF YOU HAVE THE TECHNICAL SKILLS AS FOLLOWS YOU MUST BE AVAILABLE ON SHORT NOTICE (2 WEEKS MAX) We're partnering with a top insurer as they continue to modernise their technology landscape with cloud-first platforms, integrations, and automation. This is an initial 6-month contract (Outside IR35) with a strong likelihood of extension or permanent conversion for the right candidate. Strong possibility of offer of a permanent role after or extensions. ?? The Role As a Back-End Integration Engineer , you'll play a key role in designing, building, and maintaining APIs and integration services that connect systems across the organisation. You'll be hands-on, working across cloud platforms, shaping integration patterns, and improving how data...

D365 F&O Integration Engineer / Developer | Contract | £500 per day | Outside IR35 | UK Remote / Hybrid Overview We are looking for an experienced D365 F&O Integration Engineer / Developer to support a high-profile transformation programme. This role will focus on designing, building and optimising integrations between Microsoft Dynamics 365 Finance & Operations and a range of external systems. This is a hands-on contract role suited to someone who is comfortable operating across architecture, development and delivery in a fast-paced environment. Key Responsibilities Design and build integrations between D365 F&O and third-party systems Develop and maintain APIs, data pipelines and middleware solutions Work with stakeholders to understand integration requirements and translate into technical solutions Support data migration and system interoperability across the wider platform Troubleshoot and resolve integration issues across environments...

Software Engineer (Java Focus) | up to £650 Outside IR35 | Active SC Clearance Required | 1 day a week on site in London Key Responsibilities Develop end-to-end web applications using Java 21/Kotlin (Spring Boot 3) and modern frontends utilising TypeScript and Nunjucks templates. Build and consume secure RESTful APIs and complex Middleware solutions that integrate seamlessly with distributed government systems. Architect asynchronous messaging patterns , utilising message brokers to handle high-volume, event-driven data flows and system-to-system communication. Design and maintain polyglot persistence layers , including SQL (PostgreSQL) and NoSQL databases, ensuring optimal schema design and data integrity. Own the full testing life cycle by adopting a "Devs-as-Testers" philosophy, writing comprehensive unit, integration, and end-to-end tests for every feature delivered. Manage Infrastructure as Code (IaC) using Terraform and Scripting to provision and...

AI Engineers & AI Architects (SC Cleared or Clearable) – Public Sector Programme | UK (hybrid with London Travel) We’re supporting a large-scale digital transformation programme within the UK public sector, focused on addressing fragmented, inconsistent, and highly manual data environments . We are looking for both AI Engineers and AI Architects to play key roles in designing and delivering a modern, scalable data and AI ecosystem. The Challenge The current data landscape is: Spread across multiple systems and silos Inconsistent in structure and definition Heavily reliant on manual processes This makes generating accurate insights slow and complex, even for straightforward reporting requirements. AI Engineer Responsibilities Build and maintain data pipelines to ingest and unify data from multiple sources Clean, transform, and standardise datasets Develop AI/ML models to automate processes and improve data quality Enable...

43350 PROJECT ENGINEER AA { ʺdescription ʺ: ʺ Ref: 43350 Project Engineer - 12-Month Contract (Outside IR35) Global Accountancy Firm | Fully Remote I am partnering with a leading global accountancy firm that is currently undertaking an ambitious integration programme across multiple M&A pipelines. We are seeking an experienced Project Engineer to join on an initial 12-month contract , operating fully remotely and outside IR35 . The Role You will play a key role in delivering infrastructure and services workstreams aligned to ongoing M&A activity. This position requires a strong blend of hands-on technical capability and structured project management experience, ensuring seamless integration across environments, systems, and services. Key Responsibilities • Lead and support technical workstreams related to infrastructure integration across multiple acquisitions. • Work closely...

Job Title: Senior Data Engineer (Microsoft Fabric & Azure) Contract: 6 months Initial (Likely Extension) Location: London (Hybrid - 2-3 days onsite) Day Rate: Competitive IR35: Outside IR35 The Role We're supporting a client in Leeds looking to appoint a Senior Data Engineer on a contract basis to support the design, build and evolution of a modern enterprise data platform, driving analytics, automation and AI-led insight across the business. This role will play a key part in developing scalable data pipelines, data models and integration solutions using Microsoft Fabric, Azure Data Lake and Azure Synapse Analytics, while supporting a strategic migration to Fabric using a Medallion architecture approach. You'll work across data engineering, analytics and platform optimisation, integrating internal and third-party data sources, enabling Business Intelligence through Power BI, and contributing to predictive analytics and AI use cases. Key Responsibilities...

TrinIT Talent are looking for a Senior Data Engineer for an Azure native data team the role will be 2 days a week onsite in London working outside of IR35 on a 6 month contract. Microsoft Fabric, Azure Data Lake, Azure Synapse, Power BI Data Integration and ETL designing, building and implementing data pipelines, data models and analytic solutions in Microsoft Fabric. migration from azure synapse to Fabric (using Medallion architecture approach) whilst maintaining existing SQL server, Azure data lake and Azure Synapse analytics environment in production. integrate multiple external 3rd party systems and data sources as well as internal systems into Fabric Data Platform. Integrating using APIs is necessary. ETL development - skilled in designing, building and optimising ETL workflows with best practices for data transformation, validation and loading. Automating upstream and downstream workflows using Power Automate and Power Apps. Data Analytics and Machine...

Senior AI Engineer | £700/day Outside IR35 | 6-Month Contract Industry: Technology / Capital Markets Location: London - 3 days in office Job Type: Contract Our client, a forward-thinking technology organisation, is seeking a Senior AI Engineer to join a team building production-grade AI systems powered by large language models (LLMs). You will work closely with software engineers and product stakeholders to design, develop, and deploy scalable AI applications, focusing on multi-agent orchestration, intelligent tool integration, and reliable production workflows. Responsibilities Design and implement LLM-powered AI systems, including RAG pipelines, vector/knowledge databases, and agentic frameworks. Build and maintain production-grade AI applications with clean code, APIs, data pipelines, and robust error handling. Develop and maintain evaluation frameworks to measure and monitor system performance, accuracy, and reliability. Implement feedback loops...

TrinIT Talent are looking for a OT Architect to come on board for a 3 month contract based in Location. This role falls Outside of Scope of IR35 and is paying £500 per day. Job Title: OT Architect Role Summary The OT Architect is responsible for designing, governing, and enabling seamless integration between Operational Technology (OT) and Information Technology (IT) environments. The role ensures secure, scalable, and standardized architectures that support manufacturing, industrial operations, data platforms, and enterprise systems while adhering to cybersecurity and operational reliability requirements. Key Responsibilities OT-IT Architecture & Standardization Define OT-IT integration architecture, standards, and design blueprints Align OT systems with enterprise IT, cloud, and security architectures Apply Purdue Model and zone-based design principles Ensure compliance with ISA/IEC 62443 and enterprise security policies Planning, Assessment...

AI Ops Engineer Working Arrangement: Remote (Flexible) Outside IR35 FTC OR Freelance/Contract My client is a high-growth, product-led SaaS business operating at scale across the UK, supporting high-volume, business-critical workflows. The business is investing in becoming more data-driven and operationally efficient, with AI as a key lever for improving productivity, reducing cost, and enhancing customer experience. This is a fixed-term project role focused on embedding AI into core operations. The Role I am looking for a commercially minded AI Operations consultant to identify inefficiencies, design and implement AI-driven solutions, and embed AI as a core operational capability. You will work cross-functionally across Customer Operations, Marketing, Training, Finance and Strategy to automate workflows, reduce manual overhead, improve reporting, increase support efficiency, and leverage internal data platforms to drive intelligent automation, with a focus on...

Join this leading Insurance company as an Interim Back-End .NET Developer and play a key role in transforming a modern, high-impact claims automation platform. This is an exciting opportunity to work at the heart of a major claims’ integration programme, designing and building scalable APIs and microservices using the latest .NET technologies, including the likes of .NET Core, .NET 5+. Working within a collaborative and fast-paced delivery environment, you will develop robust backend solutions that integrate seamlessly across multiple systems, You’ll take ownership of designing, developing, and unit testing high-quality code, ensuring solutions are secure, performant, and aligned with best practice coding standards. This role is primarily backend-focused, with some opportunity to contribute minor front-end enhancements where required. Role: Senior .Net Backend Developer, Senior .Net Developer, .Net Core Developer, Software Engineer, Contract .Net Developer, Lead .Net Developer...

Systems Engineer – Aviation Technology Contract Outside IR35 Remote (UK) Regular travel to Manchester & London Are you a Systems Engineer who thrives in fast‑paced, mission‑critical environments? Do you want to work on cutting‑edge technology that directly improves the safety, security, and efficiency of airport operations worldwide? We’re recruiting a Systems Engineer to join a highly skilled engineering team delivering innovative Digital Airport and Remote Tower solutions at the forefront of aviation technology. This is a high‑energy role where technical excellence, ownership, and collaboration are key. The Role Reporting to the Engineering Lead (Europe), you’ll work closely with senior technical and operational leaders to design, deploy, and support complex systems used in live airport environments. You’ll be involved end‑to‑end — from requirements and design through installation, testing, optimisation, and continuous improvement. Key...

Job Information Date Opened 16/04/2026 Job Type Contract Work Experience 5+ years Industry IT Services Salary 650 Outside IR35 City London Province Greater London Country United Kingdom Postal Code EC2P Job Description About Scrumconnect Scrumconnect is a leading digital transformation consultancy delivering user-centred, innovative solutions across the UK public and private sectors. We specialise in helping organisations design, build, and scale digital services that make a real impact. Our teams work closely with clients to solve complex challenges using modern technologies, agile methodologies, and a strong focus on user needs.   About the role You will act as an independent technical assessor and solution architect, reviewing digital products end-to-end — from codebase to architecture — and producing detailed,...

Full job description Job Information Date Opened 16/04/2026 Job Type Contract Work Experience 5+ years Industry IT Services Salary 650 Outside IR35 City London Province Greater London Country United Kingdom Postal Code EC2P About Scrumconnect Scrumconnect is a leading digital transformation consultancy delivering user-centred, innovative solutions across the UK public and private sectors. We specialise in helping organisations design, build, and scale digital services that make a real impact. Our teams work closely with clients to solve complex challenges using modern technologies, agile methodologies, and a strong focus on user needs.   About the role You will act as an independent technical assessor and solution architect, reviewing digital products end-to-end — from codebase to architecture — and producing...

AI Engineer - Outside IR35 - Remote Overview We 're looking for an experienced AI Engineer to design, build, and scale production-grade agentic systems. This role focuses on developing intelligent, tool-using agents that operate reliably in real-world environments-not just prototypes. You 'll work at the intersection of LLMs, orchestration frameworks, and modern backend systems to deliver robust AI-powered applications. Key Responsibilities Design and build AI-powered applications using agentic workflows Develop and orchestrate multi-agent systems with clear communication and task delegation patterns Implement structured output handling and tool-use integrations Build and maintain scalable backend services using Node.js and REST APIs Ship production-ready agents with reliability, monitoring, and performance in mind Integrate agents with external tools, APIs, and MCP servers Establish observability for AI systems, including tracing, cost...

Job Title: Agentic Engineer Location: London, UK / Remote. Duration : 12+ Months Outside IR35 Contract Position Job Description : Required • 3+ years building AI-powered applications or agentic systems • Claude Code or equivalent — agentic coding as a primary workflow tool • Multi-agent orchestration, tool use, and structured output patterns • Strong JavaScript / TypeScript, Node.js, REST APIs • Experience shipping agents to production — not just prototypes Nice to Have MCP server development or agent-to-tool integration experience Observability tooling for AI workloads — tracing, cost monitoring, failure detection Exposure to e-commerce or DTC product environments Agent evaluation and testing frameworks

C-Serv is a leading provider of IT solutions, specializing in delivering innovative and secure technology environments for a diverse range of clients. The Opportunity: We are looking for a skilled F5 Engineer to join our team on a contractor basis. The ideal candidate will bring strong hands-on experience with F5 technologies and take ownership of deploying, configuring, and managing F5 services. This role calls for a proactive problem-solver who thrives in a fast-paced environment. You'll work closely with cross-functional teams to ensure the seamless performance of network services and applications. This position is outside IR35. Requirements Key Responsibilities: Deploy and configure F5 infrastructure, including BIG-IP LTM, GTM, and other F5 modules Monitor and maintain the performance of F5 services and application delivery solutions Provide technical support and troubleshooting for F5-related issues Implement security policies and best practices...

Data Migration Engineer - Active SC, HealthShare Up to £500 (Outside IR35) Primarily remote/London 6 months We 're seeking a hands-on Data Migration Engineer to support delivery of a new healthcare platform. The role focuses on designing and delivering secure, high-volume clinical data migrations into InterSystems HealthShare and IRIS. Key Requirements: Proven experience as a Data Migration Engineer, with Active SC (Security Clearance) Strong background in designing, developing, and delivering ETL pipelines for clinically coded healthcare data. Hands on experience working with InterSystems HealthShare and HealthConnect, including EMPI, HPD, the Integration Engine, and IRIS. Solid experience producing and maintaining data mappings and transformation logic aligned with target data models and business rules. Practical experience handling clinical terminology mappings, including SNOMED and local code sets. Experience building and...