1 to 25 of 2,730 SQL Jobs in London

role We are looking for a hands-on Senior Data Architect who is equally comfortable designing the target state for a multi-system SQL data estate, writing and tuning the T-SQL that delivers it, and standing up the security, monitoring and operational practices that keep it running. You will … warehouse and data lake to a modern dimensional model, finish the rollout of a principle-of-least-privilege security model across a multi-server SQL estate, and continue the migration of our reporting estate from SSRS to Power BI. You will set the technical direction for the data team ...

Description \n Senior SQL Server DBA \n Location: Near Reading, Berkshire (Onsite) Contract: 6 months Start Date: December 2026 IR35 Status: Inside IR35 Security Clearance: Full Time, Onsite Reading \n We are seeking an experienced Senior SQL Server Database Administrator to join a highly secure, business-critical environment supporting critical … second and third-line support across production, pre-production and development environments. You will play a key role in maintaining, securing, optimising and modernising SQL Server platforms ranging from SQL Server 2012 through to SQL Server 2022. The Role\n You will be responsible for supporting and administering mission-critical ...

UBDS, we help organisations transform through cloud, cyber security, AI and digital innovation. We are looking for an experienced Senior Cloud Engineer with strong SQL Server and Azure SQL expertise to support complex cloud migration and modernisation programmes. This is a hands‐on technical role focused on database platform engineering … execute migrations, and ensure secure, reliable and high-performing database platforms. What You'll Do Undertake database discovery and assessment activities across existing SQL Server environments. Identify database dependencies, integrations, data flows and migration constraints. Plan and deliver SQL Server and Azure SQL migrations, including schema and data migration. Perform ...

etc., for ADF, Databricks and ML model deployments. Develop automation scripts in Python, PowerShell, or Bash to reduce manual intervention and improve service reliability. SQL and Data Warehouse Operations Write, optimize, and troubleshoot SQL queries for data validation, root cause analysis, and report troubleshooting. Support and maintain data warehouse environments … such as Azure Synapse Analytics, SQL Server/Azure SQL DB, Snowflake or BigQuery. Monitor ETL performance and investigate slow-running queries and data load failures. Issue Investigation & RCA Investigate job failures and performance issues across data pipelines, ML endpoints, and dashboards. Perform root cause analysis and provide short‐term ...

Lakehouses, Warehouses, Notebooks, Dataflows and reusable data products. Data architecture: Implement scalable data architectures and engineering patterns, including Bronze, Silver and Gold data layers. SQL development: Develop, optimise and troubleshoot SQL and T-SQL used within data pipelines, transformations, warehouses and reporting solutions. Semantic modelling: Design and maintain governed Semantic … Data Factory, Lakehouse, Warehouse, OneLake, Notebooks, Dataflows and Semantic Models. Fabric migration: Experience supporting or delivering migrations from Azure Synapse to Microsoft Fabric Advanced SQL: Strong SQL and T-SQL development, optimisation and troubleshooting skills. Python and Spark: Experience building data processing and transformation solutions using Python and Spark. Data ...

roadmap: track delivery of quick‐wins, report progress on mid‐term initiatives, and flag risks or dependencies TECHNICAL SKILLS & EXPERTISE Strong data engineering skills: SQL (advanced), Python or PowerShell for data extraction, transformation, and automation; experience with ETL/ELT pipelines Dashboard development: Power BI (preferred), Tableau, Grafana, or equivalent ...

across the team Proven experience working with cloud‐based data platforms (e.g., GCP, Azure, AWS, Snowflake); Microsoft Fabric is a plus Strong proficiency in SQL and Python, with the ability to write complex queries and reusable scripts for data transformation, validation, testing and automation, ensuring data accuracy, reliability and efficiency ...

ensure data quality/accuracy. Mentor and guide junior data engineers, providing technical expertise and project oversight. What we're looking for Advanced SQL, including writing complex queries, partitioning, clustering and cost-aware query optimisation . Experience of modern orchestration/ELT tooling, ideally Dagster and dbt. Strong Python ...

SQL Database Administrator/Developer SQL Server Administration & Development | Inside IR35 | ASAP Start | Contract until January 2027 We're partnering with a prestigious London-based law firm to secure an experienced SQL Database Administrator/Developer to support and enhance the firm's critical database infrastructure and applications. This role … will suit a well-rounded SQL professional with strong experience across both SQL Server administration and database development , capable of ensuring the reliability, security and performance of enterprise database environments while supporting ongoing development and optimisation initiatives. While primarily remote, candidates should be willing and able to travel to London ...

point of escalation for decisions that impact your area of work - Demonstrable experience of building data pipelines using Spark, Python or SQL - Experience working with AWS and its data and AI/ML services such as SageMaker - Experience of big data and lakehouse platforms on AWS (EMR, Databricks or Snowflake ...

sectors (desirable) Specialist Skills Demonstrable experience in data engineering, analytics engineering or a similar role, with evidence of independently delivering production data solutions Strong SQL and Python skills for data transformation, testing and automation Hands‐on experience building, testing, deploying and operating pipelines on a cloud data platform, ideally Databricks ...

products. Practical experience with Microsoft Fabric or closely related Microsoft Azure data services, with the ability to quickly become productive across Fabric workloads. Strong SQL skills and practical experience with at least one engineering language, typically Python or PySpark. Experience integrating data from a range of sources, including enterprise applications ...

communication skills in English. Ability to work independently and within distributed international teams. Programming Languages Technical Skills Python (Expert Level) C# JavaScript/TypeScript SQL AI & Machine Learning Machine Learning Deep Learning Neural Networks Natural Language Processing (NLP) Generative AI Large Language Models (LLMs) Retrieval-Augmented Generation (RAG) Reinforcement Learning ...

will:Have experience developing applications using technologies such as React, Node.js, .NET, FastAPI, or similar frameworks.Have knowledge of data analytics tools and technologies including SQL, Power BI, and Python data libraries.Have exposure to artificial intelligence, machine learning concepts, large language models (LLMs), AI APIs, or AI-assisted development tools.Have knowledge ...

quality and pipeline issues Collaborate effectively within agile, cross-functional delivery teams Document solutions and contribute to shared engineering standards Skills, Knowledge & Expertise Strong SQL and Python skills Experience working with production data pipelines and modern data tooling Good understanding of data modelling, data warehousing, and data quality principles Familiarity ...

operational efficiency and better business decisions across a global organisation. Skills and experience that will lead to success Strong experience in data engineering, including SQL, Python and modern ETL/ELT development. Experience with cloud data platforms such as Databricks, Microsoft Fabric, Snowflake or equivalent technologies. Strong understanding of data ...

embedded into business processes and decision-making.**Technical Skills:**Hands-on experience in one or more of the following areas:Programming & Analytics – Python, SQL, R, Spark, machine learning and advanced analyticsCloud & Data Platforms – Microsoft Fabric, Databricks, Snowflake, Azure, AWS and GCPAI Technologies – GenAI frameworks, Agentic AI, vector databases, semantic search ...

technology-based products- Experience working with technical architecture and owning technical writing- Experience in data analysis, data modelling, and data visualisation tools (e.g. SQL, Excel, Tableau, PowerBI etc.)- Willingness to work with database schemas and perform data manipulation tasks such as cleaning, transformation and aggregation- Ability to facilitate ...

Senior SQL Server Database Administrator (DBA) Kingston, Surrey – Hybrid - £85,000 An established and rapidly growing business are looking for an experienced Senior SQL Server Database Administrator to take full technical ownership of their SQL Server estate, driving the modernisation, scalability, performance and resilience of our database services across … accountability, collaboration and engineering excellence. Key Responsibilities Database Architecture and Design Own and govern relational database design and data modelling standards across the SQL Server estate. Work with development teams early in the delivery lifecycle to design scalable schemas, appropriate data types, effective indexing strategies and partitioning solutions. Ensure database ...

with demonstrable, production-quality experience using pandas and related libraries for data cleansing, transformation and automation. Experience with Git and collaborative development workflows. Strong SQL, with practical experience of designing relational database schemas and building and maintaining data stores. A proven track record of working with large, messy, inconsistently structured ...

related field. Proven experience designing and building scalable data pipelines (ETL/ELT) for batch and streaming use cases using modern technologies (e.g., Python, SQL, Spark, Flink, Airflow) and advanced knowledge on the workings of these. Hands-on experience in building and operating workloads Databricks. Hands-on experience creating data ...

delivery. Client Focus:Professionalism and empathy when engaging with stakeholders and understanding their needs. Nice to Have Experience/Knowledge ETL/ELT concepts SQL and data querying Data modelling basics Familiarity with cloud platforms (e.g. AWS, Microsoft Azure) Data ethics and governance awareness Location? Hybrid, with 2-3 days ...

assigned tasks and deadlines with guidance. Collaborative, inclusive and willing to learn from feedback. Competent user of Microsoft Excel, Word and PowerPoint. Familiarity with SQL, Python, Power BI, Microsoft Fabric or comparable data tools is desirable but not essential. Qualifications Recently completed, or due to complete before appointment, a bachelor ...

specific sectors is preferred Experience of working with visualisation tools including Power BI, Tableau, Tibco Spotfire, RShiny, plotly-dash, D3.js, or QlikSense Experience in SQL (any variant), Alteryx, MS Excel and VBA Experience in applying various analytical techniques (e.g. naïve bayes, decision trees, random forest, xgboost and k-means ...

more specific sectors is preferredExperience of working with visualisation tools including Power BI, Tableau, Tibco Spotfire, RShiny, plotly-dash, D3.js, or QlikSenseExperience in SQL (any variant), Alteryx, MS Excel and VBAExperience in applying various analytical techniques (e.g. na ve bayes, decision trees, random forest, xgboost and k-means), to calculate ...