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16 senior platform engineer jobs found in London

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London senior platform engineer £500 - £600
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Greater London  (16)
Outside Spy
Jun 19, 2026
Duration not stated
Senior Data Engineer at TRIA, London Area, £500-£550 per day
£500 - £550 per day
Outside Spy London Area, United Kingdom
Senior Data Engineer / GCP / Looker / Big Query £500 - 550 per day (Outside IR35) London / Hybrid (1 day a week) This is an opportunity for you to join a rapidly growing ecommerce business who are looking for a Senior Data Engineer. This role is ideal for someone who has built and operated modern data platforms natively within GCP and can take ownership of the full data engineering lifecycle, from ingestion and transformation through to semantic modelling and reporting enablement. You must have experience in designing, building and optimising scalable data pipelines within the GCP ecosystem. You must also have experience working with Looker as this role with be integral between the commercial and BI teams. Key Requirements: Expert experience across the Google Cloud Platform ecosystem Hands-on experience with BigQuery, including optimisation, modelling and performance tuning Proven experience building scalable data pipelines within GCP Strong knowledge of...
Outside Spy
Jun 17, 2026
Duration not stated
Senior Data Engineer – DBT, AWS (native), AWS DMS, ETL, Warehouse Architecture, Redshift, IaC (Terraform) - OUTSIDE IR35 at Smart Sourcer, London Area, £525-£550 per day
£525 - £550 per day
Outside Spy London Area, United Kingdom
Senior Data Engineer – DBT, AWS (native), AWS DMS, ETL, Warehouse Architecture, Redshift, IaC (Terraform) Reporting to the Head of Data for this global, rapidly modernising SaaS platform , this business is scaling its data capabilities to support native AI engineering and agentic workflows. We’re looking for a Senior AWS Data Engineer who wants to shape the future of their data platform, modern analytics stack, and the way data powers decisions across the business. This is a hands‑on, architecture‑shaping, strategy‑influencing role for someone who thrives at the intersection of engineering excellence, data modelling, platform design and cross‑functional leadership. You’ll own the full data lifecycle from ingestion to modelling to consumption , and play a pivotal role in building a reliable, governed, cloud‑native data ecosystem. What you’ll be doing: Architect and deliver a cloud‑native data platform across ingestion, modelling, warehousing and BI...
Outside Spy
Jun 17, 2026
6 Months or more
Senior Data Engineer - DBT, AWS (native), AWS DMS, ETL, Redshift, IaC (Terraform) at Smart-Sourcer, London, 6 Months, £525-£550 per day
£525 - £550 per day
Outside Spy London, UK
Senior Data Engineer - DBT, AWS (native), AWS DMS, ETL, Warehouse Architecture, Redshift, IaC (Terraform) - OUTSIDE IR35 Reporting to the Head of Data for this global, rapidly modernising SaaS platform , this business is scaling its data capabilities to support native AI engineering and agentic workflows. We're looking for a Senior AWS Data Engineer who wants to shape the future of their data platform, modern analytics stack, and the way data powers decisions across the business. This is a hands-on, architecture-shaping, strategy-influencing role for someone who thrives at the intersection of engineering excellence, data modelling, platform design and cross-functional leadership. You'll own the full data life cycle from ingestion to modelling to consumption , and play a pivotal role in building a reliable, governed, cloud-native data ecosystem. What you'll be doing: Architect and deliver a cloud-native data platform across ingestion, modelling, warehousing...
Outside Spy
Jun 17, 2026
Duration not stated
Senior Data Engineer at Opus Recruitment Solutions Ltd, London, £475-£525 per day
£475 - £525 per day
Outside Spy London, UK
Senior Data Engineer | Hybrid | Outside IR35 | £475 - £525 | London We are looking for a Senior Data Engineer to join a leading organisation on a contract basis. This role will suit someone with strong experience across the Azure data platform , particularly Databricks and PySpark , who can take ownership of data engineering delivery from design through to implementation. This is a hybrid role requiring the candidate to be on site 2 days per month. You will be working on building and enhancing modern data platforms, delivering scalable data pipelines, and supporting high-volume data processing in a cloud environment. Key Responsibilities Design and build scalable data pipelines using Azure technologies Develop and optimise solutions in Databricks using PySpark Work with large and complex datasets, including streaming and batch data Build and maintain data platforms and data warehouses Implement ETL/ELT processes and data transformation logic Collaborate...
Outside Spy
Jun 17, 2026
Duration not stated
Senior Data Engineer at Opus Recruitment Solutions Ltd, London, £475-£525 per day
£475 - £525 per day
Outside Spy London, UK
Senior Data Engineer | Hybrid | Outside IR35 | £475 - £525 | London We are looking for a Senior Data Engineer to join a leading organisation on a contract basis. This role will suit someone with strong experience across the Azure data platform , particularly Databricks and PySpark , who can take ownership of data engineering delivery from design through to implementation. This is a hybrid role requiring the candidate to be on site 2 days per month. You will be working on building and enhancing modern data platforms, delivering scalable data pipelines, and supporting high-volume data processing in a cloud environment. Key Responsibilities Design and build scalable data pipelines using Azure technologies Develop and optimise solutions in Databricks using PySpark Work with large and complex datasets, including streaming and batch data Build and maintain data platforms and data warehouses Implement ETL/ELT processes and data...
Outside Spy
Jun 15, 2026
Duration not stated
Senior SRE at Xpertise, London, £500-£520 per day
£500 - £520 per day
Outside Spy London, UK
SRE - Outside IR35 - £520/day - Remote Site Reliability Engineer (SRE) | AWS/Azure/GCP | Terraform | CI/CD | IAM We're supporting a consultancy client hiring an experienced SRE for a 6-month contract , paying up to £520/day (Outside IR35) . Remote-first with occasional Canary Wharf visits. Immediate start. Key Skills Strong SRE/Platform Engineering background Cloud (AWS, Azure or GCP) Terraform/Infrastructure as Code CI/CD & automation SLO/SLI/observability Strong IAM experience : Least privilege access design IAM roles, policies & identity architecture Short-lived credentials (SSO, OIDC) Governance/policy-as-code Role Focus Embed SRE principles (SLOs, SLIs, error budgets) Improve system reliability, scalability & performance Build IaC, pipelines & reusable platform patterns Drive IAM best practices, security & governance Enhance incident response, monitoring & resilience Details 6...
Outside Spy
Jun 10, 2026
Duration not stated
Senior Data Engineer at Opus Recruitment Solutions Ltd, London, £450-£550 per day
£450 - £550 per day
Outside Spy London, UK
Senior Data Engineer | Outside IR35 | £450- £550 per day | Hybrid | London We are seeking a Senior Data Engineer / Developer to join a major Liquidity Reporting programme, delivering regulatory reporting solutions for large UK insurers. This is a hands-on role focused on building and enhancing a Databricks -based data engineering framework. You will design and develop scalable PySpark pipelines covering data ingestion, validation, transformation, and mapping, while creating reusable libraries and ensuring high engineering standards. You will also provide technical leadership, conducting code reviews, guiding offshore teams, and ensuring delivery quality aligns with architectural and regulatory requirements. Key Requirements: Strong experience with Databricks and PySpark Solid Azure data platform experience Proven ability to build reusable frameworks and libraries Experience leading code quality and working with offshore...
Outside Spy
Jun 18, 2026
Duration not stated
GCP Cloud Security Engineer at IO Associates, City of London, £550-£600 per day
£550 - £600 per day
Outside Spy City of London, London, UK
Cloud Security Engineer (GCP / IAM / Encryption) - Contract Rate: £600 day Outside IR35 Location: London - hybrid (3 days onsite) - Non negotable Duration: 12 month Clearance: Active SC, willingness for DV Overview Join a high-impact programme delivering secure, large-scale cloud infrastructure within a UK government environment. You'll help design and secure a private/distributed cloud platform supporting critical national services. Key Responsibilities Design & implement secure workloads in Google Distributed Cloud (GDC) / GCP (GDC experience not necessarily needed but would be strongly desired) Build and manage IAM architectures (SSO, MFA, privileged access lifecycle) Enforce least privilege via resource hierarchies, policies, and constraints Configure network security controls (firewalls, WAF, service perimeters) Deliver data protection & encryption (KMS, CMEK/EKM, sensitive data handling) Secure CI/CD pipelines with vulnerability scanning and...
Outside Spy
Jun 18, 2026
Duration not stated
GCP Cloud Security Engineer at IO Associates, City of London, £550-£600 per day
£550 - £600 per day
Outside Spy City of London, UK
Cloud Security Engineer (GCP/IAM/Encryption) - Contract Rate: £600 day Outside IR35 Location: London - hybrid (3 days onsite) - Non negotable Duration: 12 month Clearance: Active SC, willingness for DV Overview Join a high-impact programme delivering secure, large-scale cloud infrastructure within a UK government environment. You'll help design and secure a private/distributed cloud platform supporting critical national services. Key Responsibilities Design & implement secure workloads in Google Distributed Cloud (GDC)/GCP (GDC experience not necessarily needed but would be strongly desired) Build and manage IAM architectures (SSO, MFA, privileged access life cycle) Enforce least privilege via resource hierarchies, policies, and constraints Configure network security controls (Firewalls, WAF, service perimeters) Deliver data protection & encryption (KMS, CMEK/EKM, sensitive data handling) Secure CI/CD pipelines with vulnerability scanning and policy...
Outside Spy
Jun 17, 2026
Duration not stated
Senior Software Engineer (Contract) at Softwire, London Area, £500-£650 per day
£500 - £650 per day
Outside Spy London Area, United Kingdom
Senior Software Engineer - Outside IR35 - Contract (Insurance) About the role Essential: Self-starter, someone who can pick up context quickly, drive outcomes efficiently, and to a high quality Competent in doing high-level designs, solution management, and scoping Understanding of data modelling best practices Ability to translate technical solutions to non-technical stakeholders and bring them on the journey Experience working in an agile delivery environment Experience working with React, TypeScript, Azure, Microsoft SQL, and Databricks (if they don’t have all of these, that’s workable, but be good to understand any they don’t have experience with) Frontend: React + TypeScript + Vite Material UI with Emotion for styling TanStack React Query 5 for server state React Router 7 React Hook Form+Yup for forms/validation MSAL for Entra ID auth Jest+Testing Library for unit tests; Playwrightfor E2E and visual tests Hosted as an Azure Static...
Outside Spy
Jun 17, 2026
up to 6 Months
Senior Voice AI Engineer at Oscar Associates Ltd, London, 3 to 4 Months, £350-£500 per day
£350 - £500 per day
Outside Spy London, UK
?? Senior Voice AI Engineer - Contract (Outside IR35) | £350-500/day | 3-4 months | Remote ?? We're looking for a hands-on engineer to take an existing voice AI proof-of-concept and turn it into a reliable, production-grade system ready for real users. The prototype works - but it now needs to be made fast, stable, scalable, and cost-efficient. What you'll be doing: - Productionising a voice AI system from an existing PoC - Working with voice platforms such as ElevenLabs/Deepgram (or similar) - Improving Real Time performance and reducing latency - Designing lightweight orchestration (simple, deterministic flows over complex prompt chains) - Integrating customer/internal data using RAG approaches - Optimising cost, reliability, and system efficiency - Building and maintaining API/SDK-based voice pipelines - Supporting secure handling of sensitive/PII data What we're looking for: - Strong experience building voice AI or Real Time speech systems - Hands-on experience with...
Outside Spy
Jun 17, 2026
Duration not stated
Senior Voice AI Engineer at Oscar Technology, London, £350-£500 per day
£350 - £500 per day
Outside Spy London, UK
Senior Voice AI Engineer - Contract (Outside IR35) | £350-500/day | 3-4 months | Remote We 're looking for a hands-on engineer to take an existing voice AI proof-of-concept and turn it into a reliable, production-grade system ready for real users. The prototype works - but it now needs to be made fast, stable, scalable, and cost-efficient. What you 'll be doing: - Productionising a voice AI system from an existing PoC - Working with voice platforms such as ElevenLabs / Deepgram (or similar) - Improving real-time performance and reducing latency - Designing lightweight orchestration (simple, deterministic flows over complex prompt chains) - Integrating customer/internal data using RAG approaches - Optimising cost, reliability, and system efficiency - Building and maintaining API/SDK-based voice pipelines - Supporting secure handling of sensitive/PII data What we 're looking for: - Strong experience building voice AI or real-time speech systems - Hands-on...
Outside Spy
Jun 16, 2026
Duration not stated
Backend Engineer - Outside IR35 - Public Sector - Integration/Salesforce at Tecknuovo Ltd, London, £550 per day
£550 per day
Outside Spy London, UK
Tecknuovo is a deliberately different digital consultancy, delivering secure, modern solutions while upskilling client teams to ensure zero long-term dependency. We are seeking a Backend Engineer to support a government digital environment. Focused on Back End services, integrations, and data flows supporting Salesforce, with a strong emphasis on APIs and system connectivity. Immediate start required. Key Responsibilities Build and maintain Back End integrations supporting Salesforce Design and support APIs and data services Work with Salesforce teams to ensure clean, scalable integrations Support data querying and transformation where needed Essential Skills Strong API development and integration experience Salesforce platform exposure (integration-side focus) Experience working with data and Back End services Nice to Have Boomi/Boomie/Middleware tools SQL Experience with Salesforce event-driven or integration patterns Location: London (ad-hoc) Contract:...
Outside Spy
Jun 12, 2026
Duration not stated
Business Analyst (BA): Platforms – SC Eligible – Government Projects at ByDesign Secure, London, £575 per day
£575 per day
Outside Spy London, UK
This role is delivered within secure environments. Candidates must be eligible for UK SC clearance and hold UK citizenship. Join the Mission At ByDesign Secure, we believe that world‑class security shouldn't be an afterthought— it should be the foundation. We are an independent, outputs‑based consultancy dedicated to solving the most complex data assurance challenges in the UK public sector. Currently, we are working on a landmark transformation of a cross‑government secure IT system. This is an exciting opportunity to contribute to the design and consumption of a private cloud environment from the ground up and help modernise the end‑user services that support national decision‑making. We don’t believe in “billing by the hour” or rigid hierarchies; we are a lean, expert team focused on delivering high‑impact outcomes. If you are a self‑starter who thrives on autonomy and wants to see your analysis, insights, and business decisions shape the future of sovereign security, we...
Outside Spy
Jun 12, 2026
Duration not stated
Business Analyst (BA): Technical – SC Eligible – Government Projects at ByDesign Secure, London, £575 per day
£575 per day
Outside Spy London, UK
This role is delivered within secure environments. Candidates must be eligible for UK SC clearance and hold UK citizenship. Join the Mission At ByDesign Secure, we believe that world‑class security shouldn't be an afterthought— it should be the foundation. We are an independent, outputs‑based consultancy dedicated to solving the most complex data assurance challenges in the UK public sector. Currently, we are working on a landmark transformation of a cross‑government secure IT system. This is an exciting opportunity to contribute to the design and consumption of a private cloud environment from the ground up and help modernise the end‑user services that support national decision‑making. We don’t believe in “billing by the hour” or rigid hierarchies; we are a lean, expert team focused on delivering high‑impact outcomes. If you are a self‑starter who thrives on autonomy and wants to see your analysis, insights, and business decisions shape the future of sovereign security, we...
Outside Spy
Jun 12, 2026
Duration not stated
Scrum Master - SC Eligible - Government Projects at ByDesign Secure, London, £575 per day
£575 per day
Outside Spy London, UK
This role is delivered within secure environments. Candidates must be eligible for UK SC clearance and hold UK citizenship. Opening: Join the Mission At ByDesign Secure, we believe that world-class security shouldn't be an afterthought—it should be the foundation. We are an independent, outputs-based consultancy dedicated to solving some of the most complex technology and security challenges within the UK public sector. We are currently supporting a landmark transformation of a cross-government secure IT system, helping to build and modernise critical digital services, cloud platforms, infrastructure capabilities, and workplace technologies that underpin national decision-making. We don't believe in rigid hierarchies or billing by the hour. We are a lean, expert team focused on delivering meaningful outcomes in highly secure environments. If you are passionate about Agile delivery, servant leadership, and helping teams achieve their full potential, we would love to hear...
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