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6 senior data architect jobs found in London

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London senior data architect £400 - £500
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Greater London  (6)
Outside Spy
Apr 21, 2026
Duration not stated
Senior Backend PHP Developer (Contract) at Legal 500, London, £400–£500 per day
£400 - £500 per day
Outside Spy London, UK
Role information Day Rate Contract £400–£500 per day Outside IR35 London - 4 days per week in office (Fleet Street) 3 months contract (potential for monthly rolling thereafter) Start date - from 27th April 2026   Legal 500 is an data-driven, AI-optimised research platform which benchmarks, informs and connects providers and users of legal services in over 100 countries worldwide. We are looking for an experienced Backend PHP Developer to join on a 3‑month contract. This role is ideal for someone comfortable reading and working within an existing codebase and improving it pragmatically to support our existing WordPress CMS whilst we continue building a new platform to replace it. What you’ll be doing Working hands-on with an established PHP codebase Developing and maintaining MySQL databases Supporting and extending WordPress-based functionality Effectively reading, understanding and navigating...
Outside Spy
Apr 17, 2026
Duration not stated
Software Developer at Haystack, London, £500-£600 per day
£500 - £600 per day
Outside Spy London, England, United Kingdom
Senior Software Developer | £500 - £600 We're working with a global energy transformation leader with a 150-year legacy of innovation on this exciting opportunity. We are looking for a heavy-hitting Senior Developer who can bridge the gap between complex finance logic and high-performance Ruby on Rails engineering. This is a high-impact, Outside IR35 role where you will drive the decarbonisation agenda by streamlining digital solutions for Finance, Accounting, and FP&A teams. You will be the technical gatekeeper, shaping pre-development solutions and ensuring enterprise-grade code quality within a fast-moving, green-tech environment. The Role Lead the design and development of pragmatic, sustainable technical solutions using Ruby on Rails to support complex finance data flows. Act as a technical solution shaper, engaging with Accounting and Controlling stakeholders to translate business needs into actionable technical requirements. Architect and review...
Outside Spy
Apr 15, 2026
Duration not stated
Software Developer at Haystack, London, £500-£600 per day
£500 - £600 per day
Outside Spy London, England, United Kingdom
Senior Software Developer | £500 - £600 We're working with a global energy transformation leader with a 150-year legacy of innovation on this exciting opportunity. We are looking for a heavy-hitting Senior Developer who can bridge the gap between complex finance logic and high-performance Ruby on Rails engineering. This is a high-impact, Outside IR35 role where you will drive the decarbonisation agenda by streamlining digital solutions for Finance, Accounting, and FP&A teams. You will be the technical gatekeeper, shaping pre-development solutions and ensuring enterprise-grade code quality within a fast-moving, green-tech environment. The Role Lead the design and development of pragmatic, sustainable technical solutions using Ruby on Rails to support complex finance data flows. Act as a technical solution shaper, engaging with Accounting and Controlling stakeholders to translate business needs into actionable technical requirements. Architect and review...
Outside Spy
Apr 21, 2026
6 Months or more
Senior Salesforce Developer | 6-Month Contract | Outside IR35 | at Opus Recruitment Solutions Ltd, London, 6 Months, £400-£500 per day
£400 - £500 per day
Outside Spy London, UK
Senior Salesforce Developer | 6 Month Contract | Outside IR35 | Hybrid - London (2 days per month onsite) I'm currently looking for a Senior Salesforce Developer to join a client of mine for an urgent project. This is a great fit for someone who loves hands on engineering, enjoys solving real business problems, and wants the chance to get involved in AI driven project work. What you'll be doing Building and enhancing core Salesforce solutions across Sales Cloud, Service Cloud and platform components Working closely with architects, consultants and client stakeholders to deliver clean, scalable, well tested code Supporting integrations, data work and platform optimisation Contributing to AI focused initiatives (eg, intelligent automation, AI assisted development, workflow optimisation) Playing a key role in shaping technical delivery across multiple client engagements What we're looking for Strong experience as a Salesforce Developer (Apex, LWC, Flows, APIs) Solid...
Outside Spy
Apr 21, 2026
up to 6 Months
Operational Technology Architect - London - Outside IR35 at TrinIT Group, London, 3 Months, £500 per day
£500 per day
Outside Spy London, UK
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...
Outside Spy
Apr 14, 2026
Duration not stated
Azure DevOps Engineer at Scrumconnect Consulting, London EC1A, £450 per day
£450 per day
Outside Spy London, UK
Full job description Job Information Date Opened 13/04/2026 Job Type Contract Work Experience 5+ years Industry Government & Public Sector Salary 450 Outside IR35 City London Province Greater London Country United Kingdom Postal Code EC1A About Scrumconnect Consulting:   Scrumconnect Consulting is a multi-award-winning digital consultancy, recognised for delivering impactful technology solutions across UK government departments. Our work has positively influenced the lives of over 40 million UK citizens. With a strong commitment to user-centred design and agile delivery, and more to deliver innovative digital services that matter Role Overview: We're seeking a Azure DevOps Engineer to join our dynamic team. This role requires a blend of technical expertise, leadership, and a passion for cloud technologies. You'll be...
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