19 integration engineer jobs found in Stevenage

RF Design Consultant | Outside IR35 | £60-70p/h My client requires an experienced RF Design Engineer to provide expert-level hardware development and integration support for our next generation of high-reliability wireless terminals. The consultant will be responsible for the end-to-end design, simulation, and hardware-level optimisation of critical RF subsystems. Scope of Work & Deliverables: Complete component-level schematic design and PCB layout supervision for high-power RF chains, specifically focusing on Power Amplifiers (PA), Low Noise Amplifiers (LNA), and Frequency Generation circuitry. Perform detailed circuit and electromagnetic simulations using ADS or CST to predict performance and ensure first-pass success of matching networks and filter designs. Deliver optimised hardware solutions operating across the 700MHz to 6GHz range, ensuring full compatibility with 5G/LTE/4G and WiFi standards. Required Technical Expertise: Deep expertise in...

Senior React Engineer (Contract) Location: London (hybrid) Day rate: £500–£650 (outside IR35) Start: ASAP Duration: 6 months (likely extension) Overview We’re working with a well-funded, product-led business undergoing a significant evolution of its frontend platform. This is not a greenfield “build a landing page” role. This is a core product engineering position , focused on building scalable, high-performance user experiences used daily by customers. You will be joining a team that values clean architecture, strong engineering standards, and pragmatic delivery . What you’ll be doing Building and scaling complex web applications using React and Next.js Contributing to a modern frontend architecture (component-driven, modular, scalable) Working closely with product, design and backend teams to deliver end-to-end features Improving performance, reliability and maintainability across the frontend codebase Writing clean,...

Lead DevOps Engineer - Active SC, Intersystems Up to £500 per day (Outside IR35) London/Hybrid 6 months My Client is an instantly recognisable Consultancy, who require a Senior/Lead DevOps Engineer that holds Active SC (Security) Clearance, and has worked with Intersystems, to work closely with a key end client. Key Requirements: Proven experience as a Lead DevOps/Application Support Engineer with Active Security Clearance (SC) Experience leading team of Application Support Engineers Proven experience in application management in Azure environments Strong Knowledge of ITIL Experience of development within Healthcare (InterSystems Health Share and Health Connect) Excellent understanding of EMPI, PD, Integration engine and IRIS Nice to have: ITIL Certification Development with Azure, Microsoft .Net, Terraform and Ansible Experience of Azure DevOps/Jira If you're interested in this role, click 'apply now' to forward an up-to-date copy of your CV, or call us...

Freelance AV Installation Technician (Outside IR35) - Immediate Start A well-established technical services provider delivering high-quality audio-visual and integrated technology solutions across commercial environments is seeking an experienced Freelance AV Installation Technician to support ongoing and upcoming installations on an ad hoc basis . The Role The successful candidate will work on a variety of fixed AV installation projects , including corporate, commercial, and specialist environments. The role requires a strong understanding of AV systems, excellent installation practices, and the ability to work both independently and as part of a wider delivery team. The position will involve regular travel across Europe , supporting international project delivery. Key Responsibilities Installation of AV systems including screens, projectors, audio systems, control systems, and associated infrastructure Cable pulling, termination, and...

Lead DevOps Engineer - Active SC, Intersystems Up to £500 per day (Outside IR35) London / Hybrid 6 months My Client is an instantly recognisable Consultancy, who require a Senior / Lead DevOps Engineer that holds Active SC (Security) Clearance, and has worked with Intersystems, to work closely with a key end client. Key Requirements: Proven experience as a Lead DevOps / Application Support Engineer with Active Security Clearance (SC) Experience leading team of Application Support Engineers Proven experience in application management in Azure environments Strong Knowledge of ITIL Experience of development within Healthcare (InterSystems Health Share and Health Connect) Excellent understanding of EMPI, PD, Integration engine and IRIS Nice to have: ITIL Certification Development with Azure, Microsoft .Net, Terraform and Ansible Experience of Azure DevOps / Jira If you 're interested in this role, click...

Contract ML Engineers – R&D OR Edge Deployment (SC/DV Cleared) UK-Based | 6–12 Months | Outside IR35 | Competitive Day Rate This is ML work at the point where research meets reality. You’ll be supporting programmes focused on autonomous and defence systems, working across either: R&D / Neural Network Development Improving model performance at architecture level Working on advanced concepts (e.g. spiking neural networks) Deep technical ML problem solving Deployment / Integration Running models on edge / constrained hardware Optimising inference (TensorRT, compression, etc.) Integrating into real-world systems Across both, you’ll need: Strong Python + deep learning experience (PyTorch / TensorFlow) Proven experience either in advanced ML development OR deployment Ability to deliver in complex, real-world environments Must hold active SC or DV clearance 6–12 months (likely extensions as projects scale) UK-based If you’re a cleared ML...

Senior Full-stack Python Typescript AI Engineer- Outside IR35   ROLE   This position is for a Senior Backend Developer working in python and typescript to support the development on a SaaS product with a focus on Ai.   This role involves designing, building, and optimising scalable backend services and APIs to support a single-tenant, multi‑instance SaaS platform, while contributing to the architecture and implementation of AI‑driven components such as Retrieval‑Augmented Generation (RAG) pipelines, vector databases, semantic search, and structured or knowledge‑graph‑based data modelling approaches. You will support the design of robust data models and pipelines capable of handling both structured and unstructured data with strong traceability and auditability, and help transition prototypes into production‑ready systems with a focus on security, access control, performance, reliability, observability, and monitoring. The role also includes building and managing...

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...

Senior IP Network and Security Engineer - 3-month contract - £450 per day (Outside IR35) - Berkshire/hybrid (2 days a week on site) - SC Cleared (Must hold active SC Clearance or be willing to undergo vetting process) Cisco/Fortinet/F5/Security Cleared/IP Networking/Telecommunications Key skills/responsibilities Produce HLDs, LLDs, migration strategies, test plans, and implementation guides. Design and deliver IP network architectures covering LAN, WAN, data centre, segmentation, and interconnectivity. Implement secure designs incorporating routing, switching, Firewalling and application delivery out-of-hours. Lead deployment phases including configuration, integration, cutover, validation, and handover. Cisco Networking/WLAN Design and implementation experience with Catalyst/Nexus/ACI switching and ISR/ASR routing. Strong routing protocol knowledge (BGP, OSPF, EIGRP), VLANs, STP, VRFs, QoS, multicast, VXLAN and HA (HSRP/VRRP). Experience with data...

My client, a well known Retail business, is looking for a Senior Infrastructure Engineer with strong experience in identity modernisation, particularly around moving away from Legacy directory services and helping shape a more secure, scalable, cloud first environment. This is an initial 6 month contract, outside of IR35. It requires 2 days per week in the office. This role is ideal for someone who has hands-on expertise in Active Directory rationalisation, Legacy LDAP application migration, and the adoption of modern authentication standards such as SAML, OAuth2 and OpenID Connect. Key Experience Required Identity & Directory Modernisation (Core Focus) Strong experience with Active Directory deprecation, consolidation, and domain dependency reduction Proven track record of assessing and migrating LDAP-based authentication flows to modern identity methods such as SAML, OAuth2 or OpenID Connect Solid understanding of Entra Domain Services (EDS) for supporting Legacy...

Azure DevOps Engineer – 6-month contract – SC Cleared – London/Remote – Outside of IR35 My SC Cleared customer is seeking a highly skilled Azure DevOps / Platform Engineer with deep, hands-on experience in Azure-native engineering and advanced Infrastructure as Code (IaC) practices. This role is ideal for someone who operates at the intersection of DevOps and Software Engineering—bringing a strong development mindset to infrastructure design, automation, and testing. Key Skills & Experience from the Azure DevOps Engineer: Active SC Clearance ideal/lapsed considered Advanced Azure Engineering Strong experience designing for high availability Deep understanding of Azure-native services and architecture patterns Infrastructure as Code (IaC) Expert-level proficiency with Terraform and/or Bicep Strong focus on modularity, reusability, and maintainability Experience integrating automated testing frameworks (e.g. Terratest, Checkov) Azure Networking...

AI Software Engineer Contract: 6 months, Outside IR35, London, 1 day a week on-site Project Scope The AI Software Engineer will be responsible for developing and deploying AI and machine learning solutions that directly interface with hardware systems. The role spans full project lifecycle, from model design and software development to deployment on embedded hardware, collaborating closely with hardware engineers, system architects, and product teams. Technical Scope Develop AI and machine learning models optimized for hardware execution (edge devices, FPGAs, GPUs, or specialised accelerators). Integrate AI algorithms with embedded systems, sensors, or real-time hardware platforms. Optimize software for performance, low latency, memory efficiency, and energy consumption. Collaborate with hardware and firmware teams to ensure smooth end-to-end system operation. Support testing, validation, and debugging on physical hardware prototypes. Required Experience...

Technical Architect (Data) - OUTSIDE IR35 - UK Public Sector - MS Fabric - Power Platform - Azure Tecknuovo is a digital technology consultancy with a Deliberately Different approach. This means we focus on people, not technology. We move at pace and ensure Zero Dependency on us at the end of each project. What you'll be working towards We're seeking an experienced Technical Architect to support a major data-driven transformation programme within a large, complex UK organisation delivering essential public services. This is a high-impact initiative operating in a regulated, operationally critical environment, from discovery through to delivery with strong potential for extension. You'll play a key role in shaping and evolving a trusted, scalable data platform that underpins operational decision-making and service delivery. Working alongside engineering, product, and operational teams, you'll help improve data quality, integration, and accessibility, ensuring data...

Azure DevOps Engineer - 6-month contract - SC Cleared - London/Remote - Outside of IR35 My SC Cleared customer is seeking a highly skilled Azure DevOps/Platform Engineer with deep, hands-on experience in Azure-native engineering and advanced Infrastructure as Code (IaC) practices. This role is ideal for someone who operates at the intersection of DevOps and Software Engineering-bringing a strong development mindset to infrastructure design, automation, and testing. Key Skills & Experience from the Azure DevOps Engineer: Active SC Clearance ideal/lapsed considered Advanced Azure Engineering Strong experience designing for high availability Deep understanding of Azure-native services and architecture patterns Infrastructure as Code (IaC) Expert-level proficiency with Terraform and/or Bicep Strong focus on modularity, reusability, and maintainability Experience integrating automated testing frameworks (eg Terratest, Checkov) Azure Networking &...

⚡ Senior Product Manager – MarTech 📍 London (Hybrid, 1–2 days per week) 💰 £85,000 – £100,000 + up to 15% bonus + great benefits 📄 Permanent OR 6 month contract option £400-£475 p/day Outside IR35 I’m partnered with a well-established, customer-focused organisation undergoing a major digital and product transformation. They operate across multiple consumer service categories and are investing heavily in improving how they engage and communicate with their customers. The business has a complex, MarTech and communications ecosystem spanning CRM, email, SMS, in-app, and direct mail. They need someone to rationalise the tech, reduce complexity, unlock self-serve for internal marketing teams, and move toward a unified, automated communications strategy. This is a high-visibility role sitting within the Customer Experience pillar, with genuine scope to make a lasting commercial impact. The Role You'll take full ownership of the customer communications tech...

Senior Backend Engineer (Kotlin/GCP) 6 month contract initially, Outside IR35, Fully remote role (UK/Europe) A leading global consumer technology company is building products that prioritise safety, equity, and meaningful user experiences. They are seeking a Senior Backend Engineer with strong technical judgment, a high sense of ownership, and the ability to drive work forward even when requirements are not fully defined. You'll work primarily with Kotlin and Google Cloud Platform, helping to design, build, and evolve Back End systems that support products used by millions of users worldwide. This role suits someone who thrives in ambiguity, executes with focus, and elevates teams through clarity, momentum, and example. What You'll Do Design, build, and operate reliable, scalable Back End services using Kotlin Own and evolve systems running on GCP, contributing to architecture, reliability, observability, and cost optimisation Take loosely defined problems...

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...

Azure DevOps Engineer – 6-month contract – SC Cleared – London/Remote – Outside of IR35 My SC Cleared customer is seeking a highly skilled Azure DevOps / Platform Engineer with deep, hands-on experience in Azure-native engineering and advanced Infrastructure as Code (IaC) practices. This role is ideal for someone who operates at the intersection of DevOps and Software Engineering—bringing a strong development mindset to infrastructure design, automation, and testing. Key Skills & Experience from the Azure DevOps Engineer: Active SC Clearance ideal/lapsed considered Advanced Azure Engineering Strong experience designing for high availability Deep understanding of Azure-native services and architecture patterns Infrastructure as Code (IaC) Expert-level proficiency with Terraform and/or Bicep Strong focus on modularity, reusability, and maintainability Experience integrating automated testing frameworks (e.g. Terratest, Checkov) Azure Networking &...

UX Designer - Contract Retail Client Reading - 5 days per week in the office £300-£400 per day - Outside IR35 This UX Designer contract offers the opportunity to work on high-impact eCommerce journeys for a large consumer-facing digital platform. The project focuses on improving how customers discover, view, and engage with products, with design decisions driven by insight, research, and usability best practice. This is a hands-on role within a collaborative on-site team, suited to a contractor who enjoys close partnership with product and technology stakeholders. The Company They are a well-established organisation operating at scale within the consumer and retail space, with a strong focus on digital transformation. Design plays a central role in how their customers experience products online, supported by mature research practices and established design systems. The team values clarity, consistency, and practical design solutions that deliver...