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Contractor 31
Information Technology Inside IR35 lagger

31 lagger jobs found

CL
Jun 21, 2026  
Solution Data Architect - Confluent flink
Solution Data Architect (Confluent Flink) Location: London (2 days onsite) Contract Length: 3 months Rate: Up to £428.75 per day (Inside IR35) Clearance: Not required Overview We're working with a leading organisation within the financial services / insurance sector who are seeking an experienced Solution Data Architect to support a large-scale data transformation programme. This role will play a key part in shaping enterprise-wide data architecture, driving consistency across systems, and enabling scalable, governed data flows across core platforms. Key Responsibilities Define and design end-to-end data flows across multiple systems Develop and maintain canonical and system-level data models Design integration mappings aligned to enterprise data architecture standards Collaborate with Solution Architects, Engineering teams, and Data Governance functions Ensure data quality, governance, and consistency across business-critical domains Support delivery teams with best...
IR35 Status:
Inside IR35

CV-Library London, UK Contractor
CL
Jun 21, 2026  
Data Engineer
Data Engineer Telford / Hybrid - 2 days per month onsite £450 per day inside ir35 6 months duration Active SC clearance Are you an experienced Data Engineer looking to work on large-scale, impactful data platforms? We're seeking skilled Data Engineers to join a growing team delivering secure, scalable and innovative data solutions that enable better decision-making, support digital transformation, and accelerate the adoption of AI and Generative AI technologies. You'll play a key role in designing, building and optimising data pipelines and integration solutions within a modern cloud-based environment, working alongside talented engineers, architects and business stakeholders. What You'll Be Doing Building and maintaining robust data pipelines for ingestion, transformation and curation of data. Designing secure, reliable and high-performance data integration solutions. Developing and supporting enterprise-scale data platforms and services. Working closely with stakeholders to...
IR35 Status:
Inside IR35

CV-Library Telford, Shropshire Contractor
CL
Jun 20, 2026  
Performance Analyst
Performance Analyst 12 months Location - London/Remote £465 per day inside IR35 - Umbrella only Job Spec: As a Performance Analyst, your role is to support product teams by utilising data tools to create insight and actionable outputs for product managers, designers, and developers. You will be developing and maintaining Adobe Analytics and Power BI reports to enable data driven decisions across the programme. The role involves partnering with product teams to define reporting needs and translate them into clear KPIs and robust data solutions, delivering ad hoc analysis to inform product improvements, and applying measurement frameworks to shape future analytics capability. You will design and optimise dashboards with consistent metrics and meaningful time based comparisons, while ensuring data quality, governance, and alignment across data sources. Collaboration with product, analytics, and data engineering teams is central to continuously improving data, reporting, and...
IR35 Status:
Inside IR35

CV-Library City of London, London Contractor
CL
Jun 20, 2026  
Software Engineer (SC Cleared)
Software Engineer (Python / React) 📍 Cheltenham Area - on site Contract: Inside IR35, 12 months+ The Opportunity We are seeking talented Software Engineers to join a cutting-edge programme supporting UK Intelligence customers. These roles focus on building modern, cloud-native applications and services that enable the operational use of AI and data-driven capabilities. While detailed job specifications are still being finalised, the mission, technology stack, and innovation culture make this a highly compelling opportunity. What You'll Be Doing As a Software Engineer, you will: Develop user-facing applications, APIs, and backend services Build solutions using technologies such as: Python FastAPI React Enable the integration and operational use of AI and data-driven capabilities Contribute to scalable, cloud-native application developmentYour work is expected to span across: Artificial Intelligence Machine Learning Natural Language Processing (NLP) Cloud-native...
IR35 Status:
Inside IR35

CV-Library Cheltenham, Gloucestershire Contractor
CL
Jun 20, 2026  
Technical Architect
MERITUS are recruiting for an SC Cleared Technical Architect / Solution Architect to join our client delivering secure, large-scale technology programmes within the Defence and Central Government sector. TECHNICAL ARCHITECT - 12 MONTH CONTRACT - UP TO £800 PER DAY - INSIDE IR35 - READING (2 DAYS ON-SITE) - SECTOR: DEFENCE / GOVERNMENT As a Technical Architect, you will lead the design and assurance of complex, secure systems across major government programmes. You will ensure architectural integrity across the full delivery lifecycle, working closely with engineering, delivery, and security teams to design scalable, compliant, cloud-based solutions. Lead technical design of large-scale, complex systems Define and govern solution architecture and technical designs Ensure alignment with security, performance, scalability, and compliance standards Work closely with engineering, delivery, and business stakeholders Provide technical governance, assurance, and risk evaluation Design...
IR35 Status:
Inside IR35

CV-Library Reading, Berkshire Contractor
CL
Jun 20, 2026  
Software Engineer
Software Engineer (Full Stack) Rate: £675 per day (Inside IR35) Contract Length: 6 Months (with potential extension) Location: London (Hybrid - typically 2 days per week onsite) Clearance: Active or transferable SC Clearance preferred. Overview We are seeking an experienced Software Engineer to join a growing multidisciplinary team delivering innovative AI-enabled products within a government-focused environment. This is a hands-on engineering role suited to candidates with strong full-stack development experience who are comfortable working across the entire software lifecycle, from product development through to infrastructure and deployment. The successful candidate will work within a collaborative team of engineers, AI specialists, product professionals and user-centred design experts, helping to build and scale a modern platform that leverages large language models (LLMs) and advanced AI capabilities. Key Responsibilities * Build, enhance and maintain a full-stack...
IR35 Status:
Inside IR35

CV-Library London, UK Contractor
CL
Jun 20, 2026  
AWS Technical Architect
SC Cleared AWS Technical Architect | Public Sector Rate: £600 Inside IR35 Start Date: Mid June 2026 Length: 6 month+ contract  Working Patterns: Fully-remote We're currently looking for an experienced Technical Architect with Active SC Clearance to join a UK Government/Public Sector client on a long-term contract. Key Details: You'll be working within a large-scale public sector environment, helping to design and shape modern, scalable architectures that support critical government services. Experience Cloud & architecture expertise - strong AWS architecture experience, including event-driven systems (e.g. Kafka) and RESTful API design. Data & public sector experience - experience with document-based databases (e.g. MongoDB) and a solid understanding of public sector governance and assurance processes. Strong technical architecture background - experience designing secure, scalable systems using modern technologies (cloud, open source, and languages like Java, Python,...
IR35 Status:
Inside IR35

CV-Library United Kingdom Contractor
CL
Jun 19, 2026  
Business Architect - Nuclear New Build Programme
Business Architect - Nuclear New Build Programme - £700-£725 per day - Inside IR35 - Hybrid working from a site near Leiston - 2-3 days a week on site- 6 months inital contract with extension being highly likely.  We are supporting a leading organisation within the UK nuclear new build sector in the search for an experienced Business Architect to join a major, nationally significant infrastructure programme. This is a high-impact role at the heart of a complex, safety-critical environment, shaping the business architecture that underpins large-scale nuclear construction and long-term operational capability. The successful candidate will likely come from a Business Analyst background and will have progressed into business architecture, enterprise change, or senior transformation roles within highly regulated industries. The Opportunity -  You will work closely with senior stakeholders, engineering teams, delivery partners, and suppliers to define and shape early-stage project...
IR35 Status:
Inside IR35

CV-Library Suffolk, UK Contractor
CL
Jun 19, 2026  
Data Scientist
Data Scientist - Database Analyst/Programmer II Larne, Northern Ireland (On-Site) Location: Larne (On-site) Contract: 12 months (Inside IR35) Hours: 37.5 hours/week (Flexible start/finish - typically 8:00am-4:00pm) We're currently looking for a talented Data Scientist / Database Analyst Programmer to join a leading engineering organisation based in Larne, Northern Ireland. Role Overview This is a hands-on role focused on data engineering, analytics, and automation, supporting key initiatives within a complex engineering environment. You'll play a vital part in building data pipelines, delivering analytical insights, and enabling data-driven decision-making across the business. Key Responsibilities Develop and maintain robust ETL/ELT data pipelines using Python, SQL, and Snowflake Cleanse, transform, and validate large datasets to ensure data accuracy and integrity Manage scheduled data loads and perform ongoing data quality checks Support and contribute to data governance,...
IR35 Status:
Inside IR35

CV-Library Larne, County Antrim Contractor
CL
Jun 19, 2026  
Technical Architect - AWS
Technical Architect - AWS | Public Sector Contract | £550 Inside IR35 We're currently looking for an experienced Technical Architect to join a UK Government / Public Sector client on a long‑term contract. Key Details Rate: £550 per day (Inside IR35) Contract: 6‑month rolling Start: ASAP Location: Fully remote Clearance: BPSS requiredThe Role You'll be working within a large-scale public sector environment, helping to design and shape modern, scalable architectures that support critical government services. Required Experience Strong AWS architecture experience Event-driven architecture (e.g. Kafka or similar messaging platforms) Public Sector experience, with a solid understanding of governance and assurance processes Experience with document-based data models (e.g. MongoDB) Strong knowledge of RESTful API design
IR35 Status:
Inside IR35

CV-Library London, UK Contractor
CL
Jun 19, 2026  
Head of Engineering - Java, Javascript, Cloud, Healthcare
Head of Engineering - Java, Javascript, Cloud, Healthcare Up to £850 per day (Inside IR35) London / Hybrid (3 days onsite) 6 months My client is a high-profile organisation seeking a Head of Engineering to lead a team of Software Engineering Managers, driving the development and transformation of technology products. This role requires deep technical expertise (Java, Javascript, Azure / GCP) and a proven ability to build high-performing engineering functions in fast-paced, complex environments. You will play a key role in a wider transformation programme, introducing modern engineering practices, improving architecture, and delivering scalable, consumer-facing digital products. Key Requirements: Proven experience as a Head of Engineering or senior engineering leader in large, complex environments Strong track record of leading Engineering Managers and building high-performing teams Hands-on technical background across Java, Javascript and cloud (Azure / GCP), including...
IR35 Status:
Inside IR35

CV-Library London, UK Contractor
CL
Jun 19, 2026  
Technical Lead - AI
Technical Lead – AI * Inside IR35 * 3-days per week in Sheffield, 2-days remote We are seeking an experienced Technical Lead – AI to join a leading financial services client, helping drive the evolution of modern software engineering through applied AI and intelligent automation. This role sits within a fraud protection environment, focused on building AI agents to detect financial crime events and improve software delivery efficiency across engineering teams. The successful candidate will combine strong full-stack engineering expertise with hands-on experience deploying and integrating large language models and agentic AI workflows into production environments. Key responsibilities: * Designing and building AI agents for fraud detection and production engineering services * Embedding AI capabilities across the software development lifecycle, from code creation through to delivery * Improving engineering efficiency through AI-driven code validation, reviews, and...
IR35 Status:
Inside IR35

CV-Library S1, Orchard Square, Sheffield Contractor
CL
Jun 19, 2026  
Test Manager (SAP)
Test Manager (SAP) £550 Per Day, Inside IR35 Cardiff (1-2 Days Per Week Initially) Hybrid 6 Months Contract Your new company A large organisation based in Cardiff. Your new role We are seeking a hands-on UAT Test Manager to support a major SAP transformation programme, migrating from legacy systems into SAP Finance and Procurement. The role will focus on User Acceptance Testing (UAT) from a business perspective, ensuring that the SAP solution delivered by the system integrator is fully aligned to real operational workflows. This plays a critical role in bridging the gap between technical delivery and business usability, particularly as the business will own UAT. Role Responsibilities Develop and own the UAT strategy, approach, and governance. Define test scope, entry/exit criteria, and success measures. Establish a structured UAT test framework aligned to business processes. Design and produce end-to-end UAT test scripts based on business process mapping. Ensure...
IR35 Status:
Inside IR35

CV-Library Cardiff, UK Contractor
CL
Jun 19, 2026  
AWS DevOps Engineer
AWS DevOps Engineer +6 months + +Inside IR35 +£575 - £610 a day +SC cleared role - sole British nationals only due to nature of the project +Fully remote working CBSbutler are supporting a large organisation delivering a critical UK public sector programme and are looking for an experienced DevOps Engineer / DevOps SME to strengthen platform delivery, automation and secure release capability. What you'll be doing Designing and improving CI/CD pipelines to enable reliable, repeatable deployments Implementing and maintaining Infrastructure as Code (IaC) for automated environment provisioning Supporting containerised platforms and orchestration to improve scalability and resilience Embedding security and compliance controls into engineering workflows (DevSecOps) Driving observability improvements across monitoring, logging and alerting Advising engineering teams on DevOps best practice and helping remove delivery bottlenecks Essential experience Typically 5-10+ years in...
IR35 Status:
Inside IR35

CV-Library London, UK Contractor
CL
Jun 19, 2026  
Data Warehouse Developer
Data Warehouse Developer Initial 3-Month Contract Hybrid Working - Bradford £500 - £625 p/day, Inside IR35 We're recruiting for an experienced Data Warehouse Developer to support a large-scale data and reporting programme within an enterprise environment. Key responsibilities: Develop and maintain data warehouse solutions Write and optimise advanced SQL queries Support database performance tuning and optimisation Design and maintain data structures and data architecture solutions Gather requirements from business stakeholders Support ongoing data and reporting improvement initiatives Required experience: Proven experience delivering data warehouse solutions within complex organisations Advanced SQL development and query optimisation skills Strong understanding of data architecture and data structures Ability to gather, analyse and translate stakeholder requirements into technical solutionsECS Recruitment Group Ltd is acting as an Employment Business in relation to this vacancy
IR35 Status:
Inside IR35

CV-Library Bradford, West Yorkshire Contractor
CL
Jun 19, 2026  
Power BI Developer
Power BI Developer Initial 3-Month Contract Hybrid Working - Bradford £500 - £625 p/day, Inside IR35 We're recruiting for an experienced Power BI Developer to support a large-scale data and reporting programme within a enterprise environment. Key responsibilities: Develop and maintain BI reporting solutions Build dashboards and reports using Power BI Write and optimise SQL queries Design and maintain data models Gather requirements from business stakeholders Support ongoing reporting and data improvement initiatives Required experience: Proven experience delivering BI and reporting solutions within complex organisations Strong SQL development and query optimisation skills Strong data modelling and data warehousing experience Demonstrable experience developing dashboards and reporting solutions using Power BI Ability to gather, analyse and translate stakeholder requirements into technical solutions Experience working within regulated or public sector environments is...
IR35 Status:
Inside IR35

CV-Library Bradford, West Yorkshire Contractor
CL
Jun 19, 2026  
Sybase DBA
Sybase DBA - Contract (Inside IR35) - 6 Months My client a leading global bank are looking for an experienced Sybase DBA to join their team. This role supports mission-critical environments and requires strong expertise in Sybase ASE and Replication Server within fast-paced enterprise settings. Key Responsibilities: Administer, configure, and maintain Sybase ASE and Replication Server environments Perform upgrades, patching, migrations, and platform transitions (RHEL7/8 → RHEL9) Monitor and optimise database performance, resolving bottlenecks, deadlocks, and query issues Manage backup, recovery, and high-availability/DR solutions Provide L2/L3 production support and assist development teams Automate routine tasks and maintain robust documentation and compliance standards Participate in on-call support rotationRequired Skills: 5+ years' Sybase DBA experience (ASE & Replication Server) Strong SQL tuning and performance optimisation expertise Experience supporting 24/7...
IR35 Status:
Inside IR35

CV-Library Cheshire, UK Contractor
CL
Jun 19, 2026  
Senior Full Stack Developer (React & C#.NET)
Job Title: Senior Full Stack Developer (React & Java script) Contract Length: 12 Months Location: London - 3 Days a week Daily Rate: Circa £650/Day (Inside IR35) About the Role Join our dynamic team as a Senior Full Stack Developer, where your expertise in React JS and Java script Core will shine! We are looking for a tech-savvy professional with a passion for building scalable applications within the financial sector. This is an exciting opportunity to work with cloud-native architectures and cutting-edge technologies. If you thrive in a collaborative environment and are eager to make an impact, we want to hear from you! Technical Skills Front-end: Strong proficiency in React.js, JavaScript/TypeScript, Redux/RTK, and modern UI patterns, develop framework is essential - More to React JS and Java script Back-end: Expertise in C# .NET Core, REST APIs, and microservices-based development is essential Python (pyspark): Experience with data pipelines and analytics is a...
IR35 Status:
Inside IR35

CV-Library London, UK Contractor
CL
Jun 19, 2026  
Solutions Architect - On Prem Design
Solutions Architect - On Prem Design 2 Positions Available 7 month contracts £96.36 per hour (Inside IR35) 2-3 Days a week - Preston We are seeking a highly experienced architect to join a team to design and implement a complex on-premises solution within a defence environment. The ideal candidate would have experience delivering solutions involving virtualised environments spanning multiple countries, virtual desktop solutions, and enterprise collaboration applications from Microsoft and others. Typical duties include : Architect & Design: Work within a team on the technical design and architecture of on-premises hosted VMWare-based platforms tailored for defence applications. Consultancy & Advisory: provide input to the lead architect on approaches for design and implementation of core elements of the solution, owning specific areas to create designs for those areas within a team of architects Implementation & Migration: Experience of delivering technical...
IR35 Status:
Inside IR35

CV-Library United Kingdom Contractor
CL
Jun 18, 2026  
Data Migration Architect
Data Migration Architect 4 months - initially Bath - onsite 2/3 days per week £545 inside IR35 - umbrella only Active SC clearance required Technical Leadership Own the architecture and design of ETL frameworks for clinical data migrations Define migration patterns, tooling strategy, and deployment approach (batch, real-time, hybrid) Provide technical governance across all migration workstreams Lead architecture reviews, design assurance, and technical decision-making Mentor and guide Data Engineers, Architects, and SMEs across the programmeData Strategy & Planning Define end-to-end data migration strategy, including: Data extraction from legacy clinical systems Transformation rules and mapping specifications Data validation, reconciliation, and quality control frameworks Establish data standards, models, and governance principles aligned to healthcare regulations Develop migration roadmaps, including phasing, cutover strategy, and rollback planning Clinical Data...
IR35 Status:
Inside IR35

CV-Library Bath, Somerset Contractor
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