5 lead full stack engineer jobs found in London

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...

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...

Role Summary Wagglyn is looking for an experienced QA Engineer / Test Lead to work with the existing engineering team on the testing and release readiness of its MVP trading platform. This is a hands-on contract role for someone who has tested complex financial or real-time systems before. It is not a generic web QA role and not a manual-testing-only role.   Scope The contractor will help define and execute the QA process across the front end, backend services, market data, execution flows, deployment environments and operational readiness. The role involves working with engineering, product and stakeholders to make sure releases are testable, repeatable and safe to promote through UAT and production-like environments. QA here is about proving the system behaves safely when data is live, services reconnect, orders are sent, risk state changes and deployments happen.   Profile ·      Hands-on QA engineer who has tested complex financial or real-time systems ·...

Senior AI Engineer - Agentic Platforms - AWS/.Net/React - Polyglot £800-900/day | Outside IR35 | Remote (UK) | Initial 6 months Our client are looking build out their next-generation AI capability, focused on developing an autonomous agent platform that will sit at the core of their product offering. They're looking to bring in two Senior AI Engineers to take a hands-on role in designing and delivering production-ready, agentic systems - this is not research or POC work, it's about building scalable, real-world AI solutions that integrate directly into a live platform. The focus of the role is on developing intelligent, self-learning workflows, multi-agent systems, and AI-driven automation that supports real estate professionals in managing leads, workflows, and customer interactions. You'll be working closely with Product, Architecture, and Data teams to define and build the underlying platform, with a strong emphasis on engineering quality, scalability, and commercial...

Senior AI Engineer - Agentic Platforms £800-900/day | Outside IR35 | Remote (UK) | Initial 6 months Our client are looking build out their next-generation AI capability, focused on developing an autonomous agent platform that will sit at the core of their product offering. They're looking to bring in two Senior AI Engineers to take a hands-on role in designing and delivering production-ready, agentic systems - this is not research or POC work, it's about building scalable, real-world AI solutions that integrate directly into a live platform. The focus of the role is on developing intelligent, self-learning workflows, multi-agent systems, and AI-driven automation that supports real estate professionals in managing leads, workflows, and customer interactions. You'll be working closely with Product, Architecture, and Data teams to define and build the underlying platform, with a strong emphasis on engineering quality, scalability, and commercial impact. Key areas of focus:...