1 to 25 of 35 SQL Jobs in Hertfordshire

experience with BI tooling (ideally Tableau/Adobe Analytics) to create clear, compelling, self-serve reporting that supports decision-making at pace. Experience using SQL (or similar) to extract, shape and validate data from databases; Python/R and automation capability is an advantage. Excellent written and verbal communication skills ...

with access to the following additional courses to ensure you are suitably employable as a data analyst. Microsoft excel - to expert level. Learn SQL - the programming language used for extracting data from more complex databases. Learn Python 3 - Python 3 is a simple to use programming language used by many ...

commercialisation What you'll bring: Strong working knowledge of GIS software and associated datasets Experience with Carto (desirable) Strong analytical capability, with solid SQL skills preferred Strong quantitative skills, with the ability to translate analysis into commercial recommendations Ability to communicate insights clearly and succinctly to both technical ...

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 ...

structure data SKILLS AND EXPERIENCE: We are looking for someone with: Strong Power BI experience Experience building reports and dashboards for business users Expert SQL knowledge Good understanding of data modelling Strong stakeholder engagement skills Experience working with finance, commercial, or sales data would be beneficial Experience in a large ...

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 ...

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. ...

Apply now and one of our friendly advisors will be in touch. Keywords:Coding, programming, web developer, software developer, app developer, Trainee, PHP, HTML, SQL, CSS3, Java, Javascript, Python, C#, Trainee Web Developer ...

Apply now and one of our friendly advisors will be in touch. Keywords:Coding, programming, web developer, software developer, app developer, Trainee, PHP, HTML, SQL, CSS3, Java, Javascript, Python, C#, Trainee Web Developer ...

/Jenkins) for deploying containerised applications. Data & Fundamentals: Deep understanding of CS fundamentals (OOP, Algorithms, Design Patterns) with hands-on experience in both SQL and NoSQL databases. Leadership & Methodology Agile Engineering: Strong advocate for TDD and agile best practices to solve complex technical challenges. Collaboration: Effective communicator experienced in mentoring ...

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. ...

distributed systems Familiarity with real-time or event-driven architectures (e.g. WebSockets, queues, streaming) Experience with cloud platforms (AWS preferred) Solid understanding of databases (SQL and/or NoSQL) Experience integrating with external APIs and third-party services Strong problem-solving skills and ability to thrive in a fast-paced ...

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 ...

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 ...

minimise disruption. Collaborate with various teams to align migration processes with organisational goals and regulatory standards. Required Skills Execute data migration from on-prem (SQL Server, Oracle, MySQL, NoSQL) and cloud platforms to AWS, including cloud-to-cloud scenarios. Develop data ingestion pipelines from SaaS platforms (e.g., CRM, CDP, marketing … finance systems such as Pega, Adobe, and similar tools) using APIs, connectors, or data exports. Build and maintain scalable ETL/ELT pipelines using SQL, Python, and PySpark for batch and near real-time processing. Work with AWS services such as DMS, Glue, Lambda, Step Functions, S3, Redshift, Athena ...

programming (JavaScript and Python), HTML and CSS, cybersecurity, network and IT technical support, app development, web design and development, and database design using Access, SQL and/or MongoDB ✔ A real passion for creating positive learning experiences If you love seeing students grow in confidence and ability ...

executive team, and play a central role in how the business uses data to guide strategic decisions. If you are commercially minded, strong with SQL, and enjoy solving complex performance questions, this role offers real impact and visibility. The Company They are a large, well‐established consumer business undergoing … structured, accessed, and leveraged across the business. The Role Analyse key business questions, including performance drivers, customer behaviour, financial outcomes, and growth opportunities. Use SQL to extract, transform, and model data from Snowflake and other sources to generate robust insights. Develop reporting and dashboards that translate complex datasets into clear ...

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 ...

APIs, Excel outputs, XML files, and large-scale data processing environments. This role offers hands-on exposure to modern technologies including Databricks, Python, Pytest, SQL, Pandas, GitHub Actions, and CI/CD automation while giving you ownership of quality standards and engineering best practices. Key Responsibilities: Own and define … testing strategy for ETL/ELT and data pipelines Design and implement scalable automation frameworks using Python and Pytest Build SQL-based validation and reconciliation checks Automate validation of Excel outputs using Pandas and OpenPyXL Validate XML outputs using lxml and xmlschema Develop and automate API testing using Postman ...

.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 - 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 ...