1 to 25 of 35 Permanent SQL Jobs in Hertfordshire

Editor for performance tuning and model management. Proven ability to manage and optimize very large datasets in Power BI and Azure. Solid understanding of SQL, ETL processes, and data warehousing. Familiarity with Azure Synapse, Data Lake, and Analysis Services (AAS/SSAS). Strong performance tuning: aggregations, incremental refresh, Hybrid ...

within Retail, QSR, or Consumer Services Strong academic background in statistics, mathematics, computer science, engineering, or equivalent practical experience Advanced programming skills (e.g. PySpark, SQL, Python) with the ability to develop and deploy production-level models and code. Experience with the Azure ecosystem (e.g. Azure Databricks, Azure DevOps) and containerization ...

with data led thinking. Your Skills and Experience Strong commercial experience in advanced data analysis within a consumer or regulated environment. High proficiency in SQL and confidence working with large, complex datasets. Experience using Python for advanced analytics such as segmentation, clustering and cohort analysis. Ability to turn ambiguous business ...

will be responsible for: Extracting and transforming data from multiple sources including BigQuery, GA4, CRM and marketing platforms Building and improving data pipelines with SQL to support reporting and insight generation Automating manual reporting processes(currently Excel-based) to improve efficiency Supporting the transition towards visualisation tools such as Power ...

Consultancy - Stevenage (Tech stack: .NET Developer, .NET 10.0, ASP.NET Core, C# 14, Blazor, JavaScript, React, Microservices, Azure, ASP.NET Core Web API, Agile, Azure SQL, Programmer, Full Stack Engineer, Architect, .NET Developer) Our client is an award winning Microsoft consultancy. They specialise in delivering innovative .NET technology based business solutions ...

C# 14, .NET MAUI, ML.NET, Azure AI, GitHub Copilot, Docker, Kubernetes, .NET Aspire, CI/CD, HTML Living Standard, CSS Living Standard, Azure, Azure SQL and MongoDB. Our client offers a truly refreshing working environment including: flexible working hours, home working, casual dress code, onsite gym and games room ...

anticipating questions and challenging assumptions with confidence Your Skills and Experience Strong commercial analytics experience in a fast paced, consumer or digital environment Advanced SQL skills, with experience working in modern cloud data warehouses Hands on experience with Python and or R for advanced analysis such as segmentation, cohorting ...

Word skills Website Domain & DNS Management Firewall setups maintenance, configuration. Router configuration, port forwarding and VPN Other areas we support are Websites (WordPress), SQL databases, Google AdWords You will need the following skills: A keen interest in digital IT, able to learn fast and adapt skills Previous experience of working ...

senior stakeholders, anticipating questions and challenging assumptions with evidence. Your Skills and Experience Strong commercial analytics experience within a consumer or regulated environment. Advanced SQL skills, with experience working on large, complex datasets in cloud data warehouses. Experience using Python or R for advanced analysis such as segmentation, clustering ...

initial 12 month contract with a likely chance of extension. Key skills required: 🚀Strong experience with C#, ASP.NET/ASP.NET Core 🚀Solid SQL experience 🚀Working knowledge of Azure DevOps and CI/CD pipelines 🚀Experience with Git and unit testing; and 🚀Ability to work across multiple systems and resolve complex ...

software design principles, testing and DevOps pipelines Experience building Windows applications with XAML Familiarity with IoT protocols such as MQTT and OPC/UA SQL databases and Linux OS experience Comfortable working with AI tools If this role is of interest, please apply below. ...

flexibility for diverse migration and integration projects. Prior experience with tools such as MuleSoft, Boomi, Informatica, Talend, SSIS, or custom scripting languages (Python, PySpark, SQL) for data extraction and transformation. Prior experience with Data warehousing and Data modelling (Star Schema or Snowflake Schema). Skilled in security frameworks such … tools like Terraform and Airflow. Strong analytical skills to assess data quality, identify inconsistencies, and troubleshoot data migration issues. Understanding of database management systems (SQL Server, Oracle, MySQL and NoSQL) and SQL query optimisation. Ability to plan and execute data migration projects, manage timelines, and coordinate with stakeholders. Precision ...

/GraphQL) Apply AI tools to accelerate development while maintaining data quality Requirements Strong Neo4j + Cypher experience (production optimisation) Solid PostGIS/spatial SQL expertise Experience with graph xkybehq modelling and large-scale ETL pipelines Strong API design for data-heavy systems Nice to have: UK property data (UPRN ...

software design principles, testing and DevOps pipelines Experience building Windows applications with XAML Familiarity with IoT protocols such as MQTT and OPC/UA SQL databases and Linux OS experience Comfortable working with AI tools If this role is of interest, please apply below. ...

insights. Key Responsibilities Design, develop, and maintain Power BI dashboards used across Commercial, Supply Chain, Finance, and Operations. Build and optimise data models using SQL, Power Query, and DAX. Transform, clean, and validate datasets to ensure high data quality and reliability. Deliver reporting solutions that provide clear insights into sales … Document data logic, business rules, and reporting methodologies to ensure consistency and scalability. Requirements 4+ years of BI or Data Analytics experience. Proficiency in SQL (joins, aggregations, ETL logic, stored procedures). Expertise in Power BI (modeling, DAX, visuals, Power Query). Strong data modelling concepts (facts/dimensions, relationships ...

blend of technical capability, commercial awareness, and stakeholder influence: Strong experience as an Analyst, ideally in a big data environment . Expertise in SQL (analytical SQL required) and familiarity with tools such as Excel, VBA, Python, R, or similar programming languages. Exposure to dbt or modern data transformation frameworks would ...

greenfield environment, with a strong focus on building new capability rather than maintaining legacy systems. Tech C#/.NET WPF/WinUI (desktop-first) SQL/data handling System integration with real-world hardware Nice to have (not essential): Linux/C++ IoT or industrial protocols (MQTT, OPC UA) Cloud ...

scalable backend services What you'll need 3+ years' experience building web applications Strong React and TypeScript (full-stack) Experience with Node.js and SQL/PostgreSQL Exposure to AWS, Docker, and CI/CD Comfortable working autonomously Why join Greenfield development Small team with real ownership Modern tech stack Strong ...

compliance and vendor SLA management Data, Reporting & Insights Lead the analytics roadmap using Power BI, delivering executive dashboards and governed datasets Maintain and evolve SQL-based reporting (SSRS, SAP Business Objects) Champion data quality, ownership, and standards across student, staff and finance data Integrations & Security Own integrations between business systems … school MIS (ideally iSAMS but will also consider Schoolbase, sims, arbor, bromcom etc) and related HR/Finance systems Strong working knowledge of SQL, reporting tools, and data models Experience delivering system upgrades, migrations and integrations with third-party vendors Hands-on capability with tools such as Power BI, PowerShell ...

Data Analyst (Power BI | SQL | Azure | Data Transformation) | North London I’m working with a scaling tech company who are going through a major data transformation and are looking for a Data Analyst who wants to move beyond standard reporting into something more technical and impactful. This isn’t just … working closely with developers, influencing how data is structured, and ensuring reporting is accurate, scalable, and future-proof. Key requirements: Strong SQL and analytical capability A highly investigative mindset with the ability to identify, troubleshoot, and resolve data issues Experience with data integrity, validation, and reconciling discrepancies across data sources ...

hours per week Salary: £46,631 - £51,813 per annum We have an exciting opportunity for a data analyst with strong Power BI and SQL skills, experience in reporting, and the ability to translate complex data into meaningful business insight. In this role, you’ll play a central part … someone with… - Experience in data analysis and reporting roles - Proficiency in Power BI, including data modelling and DAX, or other data visualisation tools - Solid SQL skills for querying and transforming data - Knowledge of SSRS or Power BI Paginated reports - The ability to extract and refactor logic from legacy reports ...

.NET Developer, .NET 10.0 - Social Networking Site - Bishop's Stortford (Tech stack: .NET Developer, .NET 10.0, ASP.NET Core, C# 14, Azure DevOps, Agile, Blazor, JavaScript, React, Multithreading, RESTful, ML.NET, Azure AI, Programmer, Full Stack Engineer ...

.NET Developer - Hemel Hempstead, Hertfordshire (Tech stack: .NET Developer, .NET 10.0, ASP.NET Core, C# 14, Azure DevOps, Agile, Blazor, JavaScript, React, Multithreading, RESTful, ML.NET, Azure AI, Programmer, Full Stack Engineer, Architect, .NET Developer) Since 2006 ...

.NET Developer - Fastest Growing Social Media Firm - St Albans, Hertfordshire (Tech stack: .NET Developer, .NET 10.0, ASP.NET Core, C# 14, Azure DevOps, Agile, Blazor, JavaScript, React, Multithreading, RESTful, ML.NET, Azure AI, Programmer, Full Stack Engineer ...

.NET Developer - Global Fitness Movement - Hemel Hempstead (Tech stack: .NET Developer, .NET 10.0, ASP.NET Core, C# 14, .NET Aspire, CI/CD, Azure DevOps, EF Core 10.0, Agile, HTML Living Standard, CSS Living Standard, Programmer ...