26 to 35 of 35 Data Architecture Jobs in the City of London

Back End Engineer - Data Platform & AI Systems

Hiring Organisation
Mentor Talent Acquisition
Location
City of London, London, United Kingdom
stack from scratch, enabling Sales, Finance, Ops, and Customer Success to operate at maximum velocity. You’ll have end-to-end ownership across tooling, data, and automation; shaping not just systems, but how the company runs. In this role, you will: Architect and implement an AI-native internal tech … infrastructure decisions and long-term direction Rapidly ship internal tools and workflows, iterating directly with teammates who use them daily Build and maintain our data warehouse and internal data architecture Develop automation systems leveraging LLMs, agents, and modern AI tooling Help define engineering standards and culture ...

Low Latency Market Data Developer - C++

Hiring Organisation
Qube Research & Technologies
Location
City of London, London, United Kingdom
Technologies (QRT) is a global quantitative and systematic investment manager, operating in all liquid asset classes across the world. We are a technology and data driven group implementing a scientific approach to investing. Combining data, research, technology, and trading expertise has shaped our collaborative mindset, which enables … solve the most complex challenges. QRT’s culture of innovation continuously drives our ambition to deliver high quality returns for our investors. The Tick Data Platform team is a new team building a market data architecture for low latency trading. The systems are being developed from ...

ML Engineer

Hiring Organisation
Randstad Technologies Recruitment
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£450 - £500/day Negotiable
/CD . Responsible AI: Ensure our systems are trustworthy by implementing quantifiable metrics for bias detection, explainability, and privacy. Performance Tuning: Optimize data workflows for maximum scalability and cost-efficiency. Insurance Domain experience is added advantage. Your Technical Toolkit AI/ML: Expert proficiency in Python , PyTorch/… TensorFlow, and GenAI frameworks like LangChain, LlamaIndex, or CrewAI . Data Architecture: Hands-on experience with Vector Databases (e.g., Pinecone, Milvus, Weaviate) and SQL/NoSQL systems. Infrastructure: Proven track record in MLOps , containerization (Docker/K8s), and cloud platforms (Azure/AWS). Ethical AI: A deep ...

Machine Learning Engineer

Hiring Organisation
Randstad Technologies Recruitment
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£450 - £500/day Negotiable
/CD . Responsible AI: Ensure our systems are trustworthy by implementing quantifiable metrics for bias detection, explainability, and privacy. Performance Tuning: Optimize data workflows for maximum scalability and cost-efficiency. Insurance Domain experience is added advantage. Your Technical Toolkit AI/ML: Expert proficiency in Python , PyTorch/… TensorFlow, and GenAI frameworks like LangChain, LlamaIndex, or CrewAI . Data Architecture: Hands-on experience with Vector Databases (e.g., Pinecone, Milvus, Weaviate) and SQL/NoSQL systems. Infrastructure: Proven track record in MLOps , containerization (Docker/K8s), and cloud platforms (Azure/AWS). Ethical AI: A deep ...

Full Stack Engineer - Investment Management

Hiring Organisation
CBSbutler Holdings Limited
Location
City of London, London, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
£800 - £1200 per day
Global Financial Services Firm is hiring for a Contract Full Stack Engineer/Specialist with experience delivering modern data-driven trading and investment solutions. This role is based in London on a flexible hybrid basis. The role is insideIR35 and is paying between £850- £1200 per day depending … assisted software development approaches Responsibilities include: * Develop and enhance full-stack applications supporting investment and trading workflows * Build and optimise cloud-based data platforms and pipelines using Snowflake and DBT * Deliver reporting and analytics solutions using Sigma and Power BI * Support .NET application modernisation and API development initiatives * Contribute ...

IT Solutions Architect (Integration / Azure)

Hiring Organisation
DGH Recruitment
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
cloud and now requires a lead architect to design and build the next generation of solutions including core finance and HR technology landscape, automating data flows, integrating systems, supporting in the delivery of real-time reporting and analysis, whilst driving a more mature awareness to data architecture … design and delivery of integrations across technology platforms and solutions. - Produce architectural documentation (HLDs, LLDs, diagrams, support guides). - Ownership of integration and application architecture in alignment to Business and IT Strategy. - Ensuring technology platforms integrate efficiently, securely, and consistently. - Delivering architectural governance, documentation and artefacts, with high-quality ...

IT Integration Architect

Hiring Organisation
DGH Recruitment
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
cloud and now requires a lead architect to design and build the next generation of solutions including core finance and HR technology landscape, automating data flows, integrating systems, supporting in the delivery of real-time reporting and analysis, whilst driving a more mature awareness to data architecture … design and delivery of integrations across technology platforms and solutions. - Produce architectural documentation (HLDs, LLDs, diagrams, support guides). - Ownership of integration and application architecture in alignment to Business and IT Strategy. - Ensuring technology platforms integrate efficiently, securely, and consistently. - Delivering architectural governance, documentation and artefacts, with high-quality ...

Management Consultant – Comms, Media, Technology – B2B

Hiring Organisation
Accenture
Location
City of London, London, United Kingdom
Tech industries. We help clients navigate complex, often ambiguous challenges by defining strategies, designing future-state processes, and delivering outcomes through the integration of data, technology, and change execution. From scaling new platforms and reinventing business models to simplifying operations, we drive measurable, long-lasting results. We work … role you will: Solve high-impact business problems where the path forward isn’t always clear, using structured approaches such as detailed process design, data-driven insights, and cost-benefit analysis Collaborate with clients and internal teams to shape and deliver strategic initiatives that generate tangible business value Lead ...

Payment Solution Architect

Hiring Organisation
Randstad Digital
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£600 - £800 per day
understands the granular detail of how a message moves from a gateway to clearing and settlement. You will own the end-to-end data architecture, defining the extraction strategies and migration controls required to move massive datasets without ever disrupting live payment processing. Acting as the technical authority … . Global Messaging: SWIFT & SEPA mastery, including ISO 20022 (MT/MX) . Mainframe Core: IBM DB2 specialist (Query Optimisation, Partitioning, Archiving). Data Migration: Hands-on Extraction , Mapping , and Lineage for high-throughput systems. Risk & Governance: CASS or CISA-aligned assurance and control frameworks. Legacy Modernisation: Bridging ...

Java Engineers - Senior / Lead

Hiring Organisation
numi
Location
City of London, London, United Kingdom
data. Lead prompt investigations into system issues to ensure long-term stability. Oversee seamless, zero-downtime releases for a global user base. Optimise data architecture for high-efficiency reading and writing. Evolve the tech stack by integrating modern technologies and patterns. What They’re Looking For Essential Proficiency … based languages, specifically Java or Kotlin. Deep experience with cloud-native architecture and multi-cloud environments. A pragmatic, iterative approach to solving complex technical challenges. Strong architectural thinking with a focus on long-term scalability over short-term fixes. Ability to adapt quickly to changing priorities and navigate "uncharted ...