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Contractor 23
Information Technology Inside IR35 Battle

23 jobs found in Battle

CL
Jun 21, 2026  
AI Architect (SC Clearance Eligible)
AI Architect 6 Months Must have or be eligible for SC Clearance £TBC (Inside IR35) My client, a government body are looking for an AI Architect to join their fast-paced team on an initial 6 month contract. As an AI Architect, you will be part of a team of specialists who work with our industry-facing client partners to shape, design and deliver AI solutions to our clients. This is a fast-paced area of IT, so you will need to be continuously learning, be self-driven and think creatively about solving client problems. You will work with others to reflect back the views of our clients and prospects and help to continuously shape our solutions. On the job details- Designing and implementing innovative AI solutions that meet client needs and drive business value. Collaborating with cross-functional teams to integrate AI technologies into existing systems and processes. Demonstrating modern AI solutions to clients, showcasing their benefits and applications. Conducting...
IR35 Status:
Inside IR35

CV-Library City of London, London Contractor
CL
Jun 21, 2026  
Java Data Engineer
Java Data Engineer 6-Month Contract (Possible Extension) Inside IR35 Hybrid London (3 days) I have been engaged my client to bring in a Java Data engineer to work on a Big Data Project in the finance sector. Required Experience: Java Big Data experience On-premises cluster experience Databases Kubernetes Kafka Apache SparkPreffered Experience: Finance sector experience
IR35 Status:
Inside IR35

CV-Library City of London, London 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  
BI Engineer / AWS Engineer - AI / ML
I am recruiting for a BI / AWS Engineer to work on a remote basis with occasional travel to London or Swindon (once a month). The role falls inside IR35 so you will be required to work through an umbrella company for the duration of the contract. I am searching for an experienced Business Intelligence Engineer / AWS Data Engineer to support the development of a modern data platform and contribute to emerging AI-driven initiatives. This role will suit someone with a strong foundation in AWS data engineering and BI, alongside practical exposure to AI/ML concepts or tools. You must have strong hands-on experience in: AWS Data Engineering stack (e.g. Glue, S3, Lambda, Redshift, Athena) SQL (advanced level) Python (for data processing and pipeline development) Infrastructure / tooling exposure (e.g. Terraform, APIs, CI/CD beneficial) Experience working in Business Intelligence / analytics environments Candidates must demonstrate some level of exposure to AI/ML, such as: Working...
IR35 Status:
Inside IR35

CV-Library City of London, London Contractor
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 Governance Lead - Engineering Priority Data
OverviewA leading financial services organisation is hiring an experienced Data Governance Lead to support a critical, engineering-led initiative. This role will focus on designing and delivering a risk-based data prioritisation methodology for engineering data and records, ensuring alignment with regulatory requirements, internal policies, and business priorities. Working across engineering, data, and risk teams, you will play a key role in defining how critical data is identified, prioritised, and governed, and in developing a clear roadmap to achieve compliance and improve data governance maturity. This is a hands-on delivery role, requiring someone who has successfully implemented similar frameworks in complex, regulated environments. Details Location - London Hybrid - 3 days / week in the office Duration - Initial 6 months Rate - £750 -£900 / day Inside IR35 via Umbrella Key Responsibilities Design and implement a risk-based data prioritisation methodology, including scoring...
IR35 Status:
Inside IR35

CV-Library London, UK Contractor
CL
Jun 21, 2026  
Lead Infrastructure Automation Engineer (on perm and Cloud)
Job title: Lead Infrastructure Automation Engineer (on perm and Cloud) Contract: 6 Months -possibility for extension Location: London HEX - 3 days a week Rate: Competitive day rate (Inside IR35) Working pattern: Full time Are you ready to take the lead in revolutionising infrastructure automation? Our client, a dynamic and innovative organisation, is on the lookout for a passionate Infrastructure Automation Engineer Lead - VP to spearhead their ambitious automation initiative across all infrastructure functions. This is your chance to drive significant change and enhance the efficiency of global operations! ### About the Role: As the Infrastructure Automation Engineer Lead, you will play a pivotal role in accelerating the adoption of infrastructure-as-code and automation solutions. Your expertise will help shape modern tooling strategies, ensuring scalable and repeatable automation solutions across various infrastructure domains. ### What We're Looking For: Expertise in...
IR35 Status:
Inside IR35

CV-Library London, UK 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 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  
Scrum lead
Scrum Lead London - 4 days onsite 12 month contract Inside IR35 Doing everything possible to ensure delighting customers Guiding the team and organization on how to use Agile/Scrum practices and values to delight customers Guiding the team on how to get the most of out self organization Guiding the team on self-organizing to fill in the intentional gaps left in the Agile/Scrum frameworks Assessing the Scrum Maturity of the team and organization and coaching the team to higher levels of maturity, at a pace that is sustainable and comfortable for the team and organization Removing impediments or guiding the team to remove impediments by finding the right personnel to remove the impediment. Building a trusting and safe environment where problems can be raised without fear of blame, retribution, or being judged, with an emphasis of healing and problem solving. Facilitating getting the work done without coercion, assigning, or dictating the work. Facilitating discussion, decision...
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  
Salesforce Data Cloud Developer
SC Cleared Salesforce Data Cloud Developer (360) - 6 months+ £600 - £700 per day - Remote/London As part of our continuous growth, we are seeking a Salesforce Data Cloud Developer to join our Salesforce Practice. This mid-level, client-facing role sits within our growing Data Cloud capability, working across enterprise engagements to design, build, and optimise Salesforce Data Cloud solutions that unlock the value of unified customer data. You will collaborate closely with architects, delivery managers, and client stakeholders to deliver measurable outcomes across industries including automotive, retail, financial services, and the public sector. Note you must either have Full UK Security Clearance (SC) or be able to attain it to be eligible for this role. Role & responsibilities: Configure and build Data Cloud solutions for enterprise clients, including Data Streams, Data Model Object (DMO) mappings, transformations, and ingestion pipelines from Salesforce CRM and...
IR35 Status:
Inside IR35

CV-Library London, 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  
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  
Senior Full Stack Developer (React / .NET)
Senior Full Stack Developer (React / .NET) 📍 London (Hybrid) | 📅 6 Months | 💼 Inside IR35 Our client, a leading global investment banking client is looking for a Senior Full Stack Developer with a strong front-end focus (React/JavaScript) to support the build-out of a new Engineering CoE. Key Skills React.js, JavaScript/TypeScript (essential, front-end heavy) C# / .NET Core backend development Microservices, APIs, and modern architecture CI/CD, cloud (Azure preferred) Strong engineering practices (code quality, testing, reusable components) Desirable Python or Power BI Financial services experience Role Build scalable full stack applications with front-end emphasis Develop APIs and contribute to engineering frameworks & best practices Work within a fast-paced, global environmentIf the role aligns with your experience please apply with your updated CV
IR35 Status:
Inside IR35

CV-Library London, UK Contractor
CL
Jun 18, 2026  
AI Application/Big Data Engineer
AI Application/Big Data Engineer 6-Month contract - Inside IR35 - market rate London based - hybrid working - up to 3 days a week onsite Finance sector - must have previous experience Role Overview Senior AI / Data Engineer responsible for designing, building, and optimizing AI-driven data pipelines and integrations to enable a QAS-powered response suggestion capability embedded in Salesforce Service Cloud. The role focuses on scalable data processing, LLM integration, and continuous model improvement using production telemetry. Responsibilities Design and implement Salesforce ↔ QAS integration architecture Build and optimize data pipelines supporting AI inference and feedback loops Develop backend services / APIs enabling response suggestion workflows Integrate LLM capabilities (Amazon Bedrock) for response generation and embeddings Enable continuous model tuning via: telemetry data quality scoring usage analytics Work with structured and unstructured data sources:...
IR35 Status:
Inside IR35

CV-Library London, UK Contractor
CL
Jun 18, 2026  
Senior Full Stack Engineer (GCP, Python, JavaScript) Remote
My London based client are looking for an experienced Full Stack Engineer for an initial 6 month contract to start ASAP. The position can also be fully remote. The ideal candidate will have the following experience: Google Cloud: Experience deploying and managing applications within the Google Cloud Platform (GCP) ecosystem. ● JavaScript/TypeScript Expert: Expert-level knowledge of modern language features, asynchronous patterns, and static typing. ● React: Expert knowledge of building interfaces, managing state, and optimizing performance within React. ● NodeJS/Express: Strong experience building and scaling server-side applications using Express. ● Python Expert: Strong experience building backend services using FastAPI and managing database migrations with Alembic. ● AI Tooling: Familiarity with integrating AI APIs (such as Codex or Claude) and using AI-assisted development workflows. ● Agile Experience: Proven track record working within Agile teams and...
IR35 Status:
Inside IR35

CV-Library London, UK Contractor
CL
Jun 18, 2026  
Senior Control Manager
IT Risk and Control Manager Initial 4-Month Contract Hybrid Working - London £600 - £700 p/day, Inside IR35 We're recruiting for an experienced Technology Risk & Controls Manager to support a major IT services provider delivering enterprise-scale technology and operational risk management across a complex, regulated environment. Key responsibilities: Partnering with senior technology and control stakeholders to oversee risk and control activities Supporting operational risk management, controls assurance, audits and issue remediation Providing risk and controls expertise across technology and cyber domains Monitoring and improving control effectiveness across complex technology environments Delivering concise reporting and updates to senior leadership and governance forums Driving continuous improvement initiatives across risk and control processes Analyse and interpret risk and control related information to provide insight and improvement with clear and measurable...
IR35 Status:
Inside IR35

CV-Library London, UK Contractor
CL
Jun 18, 2026  
SAS Model Developer
SAS Model Developer Location: London (Hybrid - 2 days onsite per week) Rate: £400/day Inside IR35 Duration: 3-month rolling contract Overview: We're looking for an experienced SAS Model Developer to support model development, enhancement, and deployment across a large-scale data and analytics environment. This role will focus on building and optimising SAS-based models, supporting the full model development lifecycle from data preparation and feature engineering through to testing, validation, and production deployment. Key Responsibilities * Design, develop, and enhance statistical, predictive, and pricing models using SAS * Build modelling datasets, feature engineering pipelines, and variable transformations * Develop SAS programs using: o Base SAS o SAS Macros o Data Step o SAS SQL * Support automated model execution, scoring, and monitoring processes * Conduct model testing, validation, back-testing, and performance analysis * Analyse large datasets to identify...
IR35 Status:
Inside IR35

CV-Library London, UK Contractor
CL
Jun 18, 2026  
SAP Product Owner S/4 HANA
SAP Product Manager | S/4HANA Transformation | Retail | Contract | London Hybrid | £800 Per Day We are supporting a large enterprise retail organisation currently delivering a major SAP ECC → S/4HANA transformation programme and are looking for several experienced SAP Product Managers to join the programme team. These roles will sit across key retail and supply chain workstreams including SD, MM, OTC, P2P and wider operational SAP functions. The successful candidates will play a key role in supporting ongoing ECC operations while helping shape and deliver the transition to S/4HANA. This is a hands-on transformation environment requiring individuals who can work across business and technology teams, support delivery activities and help drive operational improvements across the programme. Key Responsibilities Support SAP ECC Retail and S/4HANA transformation activities across retail and supply chain functions Gather and document business requirements, user stories and functional...
IR35 Status:
Inside IR35

CV-Library London, UK Contractor
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