Junior Big Data Developer (Python & SQL Focus) 📊 !!! URGENT HIRING !!! Looking for London based Citizens/Dependents ***We DO NOT provide SPONSORSHIP*** We're looking for an enthusiastic and detail-oriented Junior Big Data Developer to join our data engineering team. This role is ideal for an early-career professional with foundational knowledge in data processing, strong proficiency in Python , and … expert skills in SQL . You'll focus on building, testing, and maintaining data pipelines and ensuring data quality across our scalable Big Data platforms. Key Responsibilities Data Pipeline Development: Assist in the design, construction, and maintenance of robust ETL/ELT pipelines to integrate data from various sources into our data warehouse or data lake. Data Transformation with Python … Area Requirements Programming Strong proficiency in Python for data manipulation and scripting. Familiarity with standard Python data libraries (e.g., Pandas, NumPy ). Database Expert-level proficiency in SQL (StructuredQueryLanguage). Experience writing complex joins, stored procedures, and performing performance tuning. Big Data Concepts Foundational understanding of Big Data architecture (Data Lakes, Data Warehouses) and distributed processing concepts (e.g. More ❯
methods. Practical knowledge of chunking strategies, indexing, precision/recall trade-offs, reranking, and evaluation techniques. Proficient in Python (FastAPI) and React/Next.js . Solid experience with both SQL and NoSQL databases (Postgres, DynamoDB, etc.). Exposure to LLMs, embeddings, and vector search APIs . Strong understanding of data engineering , schema design, ETL, and optimisation. Proficiency with cloud (AWS … ECS). Knowledge of secure coding practices and managing sensitive data. Excellent communication, problem-solving, and leadership skills. Nice to have Experience with rerankers (e.g., cross-encoders), hybrid retrieval (SQL + vectors), query expansion, or lightweight knowledge graphs. Familiarity with LLM evaluation tooling (LangChain, LlamaIndex, OpenAI Evals) and observability for cost, relevance, and latency. Background in B2B data products or More ❯
d love to hear from you if you: Demonstrate knowledge and proficiency in a wide variety of software programmes, including Power Apps, Blue Prism, Python, Java, StructuredQueryLanguage (SQL), Amazon Web Services (AWS), and Microsoft Azure Possess knowledge and proficiency in Web Services (Simple Object Access Protocol (SOAP) and Representational State Transfer (REST and common scripting languages for integrations … on experience in RPA development, specifically in Blue Prism Experience in a senior technical implementation capacity for process automations using tools like Power Apps and Blue Prism Experience with SQL databases, Web Services (SOAP and REST), and programming languages such as Python or Java Experience in leading business process reviews, design reviews, and change management to implement complex software solutions More ❯
and definitions. Work with teams across the business to understand requirements and translate them into reliable models. Develop core data models following modern data warehouse principles. Write high-quality SQL and maintain dbt-based transformations, tests, and documentation. Support colleagues by ensuring data quality and clarity throughout the analytics ecosystem. Collaborate with data engineering teams to shape upstream data needs. … and data consumers to promote usability and data literacy. Essential Skills & Experience: Fluent Russian language proficiency. Experience as an Analytics Engineer or Data Engineer, particularly in data modelling. Strong SQL and hands-on dbt experience. Ability to convert business requirements into logical, scalable data models. Knowledge of cloud data platforms (e.g., Snowflake, Redshift, BigQuery). Strong communication and documentation skills. More ❯
london, south east england, united kingdom Hybrid / WFH Options
Intec Select
and definitions. Work with teams across the business to understand requirements and translate them into reliable models. Develop core data models following modern data warehouse principles. Write high-quality SQL and maintain dbt-based transformations, tests, and documentation. Support colleagues by ensuring data quality and clarity throughout the analytics ecosystem. Collaborate with data engineering teams to shape upstream data needs. … and data consumers to promote usability and data literacy. Essential Skills & Experience: Fluent Russian language proficiency. Experience as an Analytics Engineer or Data Engineer, particularly in data modelling. Strong SQL and hands-on dbt experience. Ability to convert business requirements into logical, scalable data models. Knowledge of cloud data platforms (e.g., Snowflake, Redshift, BigQuery). Strong communication and documentation skills. More ❯
london (city of london), south east england, united kingdom Hybrid / WFH Options
Intec Select
and definitions. Work with teams across the business to understand requirements and translate them into reliable models. Develop core data models following modern data warehouse principles. Write high-quality SQL and maintain dbt-based transformations, tests, and documentation. Support colleagues by ensuring data quality and clarity throughout the analytics ecosystem. Collaborate with data engineering teams to shape upstream data needs. … and data consumers to promote usability and data literacy. Essential Skills & Experience: Fluent Russian language proficiency. Experience as an Analytics Engineer or Data Engineer, particularly in data modelling. Strong SQL and hands-on dbt experience. Ability to convert business requirements into logical, scalable data models. Knowledge of cloud data platforms (e.g., Snowflake, Redshift, BigQuery). Strong communication and documentation skills. More ❯
slough, south east england, united kingdom Hybrid / WFH Options
Intec Select
and definitions. Work with teams across the business to understand requirements and translate them into reliable models. Develop core data models following modern data warehouse principles. Write high-quality SQL and maintain dbt-based transformations, tests, and documentation. Support colleagues by ensuring data quality and clarity throughout the analytics ecosystem. Collaborate with data engineering teams to shape upstream data needs. … and data consumers to promote usability and data literacy. Essential Skills & Experience: Fluent Russian language proficiency. Experience as an Analytics Engineer or Data Engineer, particularly in data modelling. Strong SQL and hands-on dbt experience. Ability to convert business requirements into logical, scalable data models. Knowledge of cloud data platforms (e.g., Snowflake, Redshift, BigQuery). Strong communication and documentation skills. More ❯
with analytics, product, and data science teams to make data accessible and trustworthy You will have: 2–3 years of experience in data engineering or a similar role Strong SQL skills and proficiency in at least one programming language (ideally Python) Understanding of data warehousing concepts and ETL/ELT patterns Experience with version control (Git), testing, and code review More ❯
with analytics, product, and data science teams to make data accessible and trustworthy You will have: 2–3 years of experience in data engineering or a similar role Strong SQL skills and proficiency in at least one programming language (ideally Python) Understanding of data warehousing concepts and ETL/ELT patterns Experience with version control (Git), testing, and code review More ❯
london, south east england, united kingdom Hybrid / WFH Options
Focus on SAP
datasets. Develop and optimise data models (including Data Vault and dimensional modelling) to support large-scale analytics. Implement and enforce data quality, governance, and validation frameworks . Write complex SQL to ensure accuracy, performance, and scalability. Collaborate with data engineers and architects to ensure seamless data integration across platforms. Automate repetitive data processes and workflows to improve efficiency. Develop production … to the technical roadmap and best practices for data architecture. Partner with cross-functional teams to deliver insights and recommendations that drive business outcomes. Key Skills: Strong proficiency in SQL for data transformation and analytics. Hands-on experience with Snowflake , dbt , Data Modelling , and Data Vault methodologies. Solid understanding of data warehousing concepts and version control (GitHub) . Experience with More ❯
slough, south east england, united kingdom Hybrid / WFH Options
Focus on SAP
datasets. Develop and optimise data models (including Data Vault and dimensional modelling) to support large-scale analytics. Implement and enforce data quality, governance, and validation frameworks . Write complex SQL to ensure accuracy, performance, and scalability. Collaborate with data engineers and architects to ensure seamless data integration across platforms. Automate repetitive data processes and workflows to improve efficiency. Develop production … to the technical roadmap and best practices for data architecture. Partner with cross-functional teams to deliver insights and recommendations that drive business outcomes. Key Skills: Strong proficiency in SQL for data transformation and analytics. Hands-on experience with Snowflake , dbt , Data Modelling , and Data Vault methodologies. Solid understanding of data warehousing concepts and version control (GitHub) . Experience with More ❯
City, Birmingham, United Kingdom Hybrid / WFH Options
National Skills Agency
data integration and automation projects Proficiency with CRM systems (Dynamics) Strong working knowledge of Power BI, Excel, and/or automation tools like Power Automate Strong proficiency in Python, SQL, DAX, and Power Query (M language) Strong analytical skills with the ability to translate data into actionable insights. Strong communication skills, able to work effectively across teams. Excellent organisation skills More ❯
City, Manchester, United Kingdom Hybrid / WFH Options
National Skills Agency
data integration and automation projects Proficiency with CRM systems (Dynamics) Strong working knowledge of Power BI, Excel, and/or automation tools like Power Automate Strong proficiency in Python, SQL, DAX, and Power Query (M language) Strong analytical skills with the ability to translate data into actionable insights. Strong communication skills, able to work effectively across teams. Excellent organisation skills More ❯
London, South East, England, United Kingdom Hybrid / WFH Options
Harnham - Data & Analytics Recruitment
data infrastructure and reporting capabilities. THE ROLE: As a BI Developer, your responsibilities will include: Access and extract data from Salesforce and NetSuite Migrate and consolidate data into a SQL data warehouse Transform data for reporting and push it into Power BI dashboards Write efficient queries, create data models, and develop reports using Power Query and DAX Work closely with … data accuracy and reporting meets stakeholder needs YOUR SKILLS AND EXPERIENCE: The successful BI Developer will have: Strong experience accessing and manipulating data from Salesforce and NetSuite Proficient in SQL and data warehouse development Solid experience with Power BI, including Power Query and DAX Experience working with legacy systems and data migration projects Strong analytical and problem-solving skills HOW More ❯
and structured career development. Key Responsibilities Lead technical delivery of Snowflake based data engineering projects for enterprise clients. Design, build, and optimise scalable data pipelines and architectures using Python, SQL, and Snowflake tools such as Snowpipe, Snowpark, Tasks, and UDFs. Collaborate with various teams to turn business requirements into robust, scalable data solutions. Provide mentorship and line management to the … ll Bring 5+ years in data engineering with proven delivery in cloud platforms (AWS, Azure, or GCP). Expertise in Snowflake development and optimisation. Strong skills in Python and SQL for ELT/ETL and transformation workflows. Experience with cloud native storage and compute tools: S3, Data Lake, ADF, Redshift, Synapse, etc. Familiarity with CI/CD pipelines, test automation More ❯
london (city of london), south east england, united kingdom
Primus
and structured career development. Key Responsibilities Lead technical delivery of Snowflake based data engineering projects for enterprise clients. Design, build, and optimise scalable data pipelines and architectures using Python, SQL, and Snowflake tools such as Snowpipe, Snowpark, Tasks, and UDFs. Collaborate with various teams to turn business requirements into robust, scalable data solutions. Provide mentorship and line management to the … Youll Bring 5+ years in data engineering with proven delivery in cloud platforms (AWS, Azure, or GCP). Expertise in Snowflake development and optimisation. Strong skills in Python and SQL for ELT/ETL and transformation workflows. Experience with cloud native storage and compute tools: S3, Data Lake, ADF, Redshift, Synapse, etc. Familiarity with CI/CD pipelines, test automation More ❯
and structured career development. Key Responsibilities Lead technical delivery of Snowflake based data engineering projects for enterprise clients. Design, build, and optimise scalable data pipelines and architectures using Python, SQL, and Snowflake tools such as Snowpipe, Snowpark, Tasks, and UDFs. Collaborate with various teams to turn business requirements into robust, scalable data solutions. Provide mentorship and line management to the … ll Bring 5+ years in data engineering with proven delivery in cloud platforms (AWS, Azure, or GCP). Expertise in Snowflake development and optimisation. Strong skills in Python and SQL for ELT/ETL and transformation workflows. Experience with cloud native storage and compute tools: S3, Data Lake, ADF, Redshift, Synapse, etc. Familiarity with CI/CD pipelines, test automation More ❯
and structured career development. Key Responsibilities Lead technical delivery of Snowflake based data engineering projects for enterprise clients. Design, build, and optimise scalable data pipelines and architectures using Python, SQL, and Snowflake tools such as Snowpipe, Snowpark, Tasks, and UDFs. Collaborate with various teams to turn business requirements into robust, scalable data solutions. Provide mentorship and line management to the … ll Bring 5+ years in data engineering with proven delivery in cloud platforms (AWS, Azure, or GCP). Expertise in Snowflake development and optimisation. Strong skills in Python and SQL for ELT/ETL and transformation workflows. Experience with cloud native storage and compute tools: S3, Data Lake, ADF, Redshift, Synapse, etc. Familiarity with CI/CD pipelines, test automation More ❯
Eastbourne, East Sussex, England, United Kingdom Hybrid / WFH Options
Noir
that will allow its viewers to screen and download its hugely popular TV shows. .NET Developer applicants should be experienced in: .NET, .NET Core/ASP.NET MVC, C# and SQL Server. You should have a strong grasp of object orientated (OO) development principles. Our client can provide you with industry recognized training in: .NET 9, Blazor, EF Core, Azure, JavaScript … HTML5, CSS3, Agile, TDD, BDD, Azure SQL and SQL Server 2022. You will follow a structured a career development programme with the view to being promoted to the position of Team Leader/Development Manager of your own department within 12 months. This is an exciting opportunity to work on a ground breaking Greenfield project that has attracted much attention More ❯
Addlestone, Surrey, England, United Kingdom Hybrid / WFH Options
Noir
join their dynamic .NET/C# team of high flying individuals. .NET Developer applicants should have a skill set that encompasses: .NET, .NET Core/ASP.NET MVC, C# and SQL Server. Our client can provide you with industry recognised training in: .NET 9, Blazor, EF Core, Azure, JavaScript, HTML5, CSS3, Agile, TDD, BDD, Azure SQL and SQL Server 2022. This More ❯
looking to hire a very talented Mid Level Data Engineer to take a leading role in building and scaling the data foundations of the platform. You’ll combine strong SQL and Python skills with a DevOps mindset, architecting pipelines, automating workflows, and ensuring AI outputs are production-ready. Requirements 1.5+ years’ experience in Data Engineering or Data Platform development Experience … working with First-Party Data Strong SQL and Python fluency (data transformations, orchestration, automation) Familiarity with cloud ecosystems - Azure, AWS, or GCP Experience with CI/CD tools (Azure DevOps, GitHub Actions, or similar) Excellent communication skills and a structured, detail-oriented approach BSc in a related STEM degree from a top university ** Please note that visa sponsorship is not More ❯
london (city of london), south east england, united kingdom
JSS Search
looking to hire a very talented Mid Level Data Engineer to take a leading role in building and scaling the data foundations of the platform. You’ll combine strong SQL and Python skills with a DevOps mindset, architecting pipelines, automating workflows, and ensuring AI outputs are production-ready. Requirements 1.5+ years’ experience in Data Engineering or Data Platform development Experience … working with First-Party Data Strong SQL and Python fluency (data transformations, orchestration, automation) Familiarity with cloud ecosystems - Azure, AWS, or GCP Experience with CI/CD tools (Azure DevOps, GitHub Actions, or similar) Excellent communication skills and a structured, detail-oriented approach BSc in a related STEM degree from a top university ** Please note that visa sponsorship is not More ❯
looking to hire a very talented Mid Level Data Engineer to take a leading role in building and scaling the data foundations of the platform. You’ll combine strong SQL and Python skills with a DevOps mindset, architecting pipelines, automating workflows, and ensuring AI outputs are production-ready. Requirements 1.5+ years’ experience in Data Engineering or Data Platform development Experience … working with First-Party Data Strong SQL and Python fluency (data transformations, orchestration, automation) Familiarity with cloud ecosystems - Azure, AWS, or GCP Experience with CI/CD tools (Azure DevOps, GitHub Actions, or similar) Excellent communication skills and a structured, detail-oriented approach BSc in a related STEM degree from a top university ** Please note that visa sponsorship is not More ❯
Support analytics and digital product teams through robust architecture and integration patterns Tech Environment & Tooling Deep focus on Microsoft Azure and associated services: Azure Data Factory, DataBricks, CosmosDB, Azure SQL Strong usage of SQL Server and modern data warehouse/lakehouse design (preferably Databricks-based) Data modelling using Kimball and/or Data Vault methodology Experienced with both structured and More ❯
/Fabric) Working 3 days per week 1 day per week in office 12-month contract £500/day Hybrid (London) Must Have Skills: Power Platform, Dataverse, Power BI, SQL, Python, AI Agent Development Please note, these skills must be in your CV to be considered for this role. We’re working with a large corporate tech division to automate … you’ll need: Strong Power Platform experience (Power Apps, Automate, Dataverse) Proven background developing AI or Fabric data agents Skilled in Power BI reporting and data integration Confident with SQL and Python for automation and data modelling Experience working with structured and unstructured data sources Interview Process: Remote interview with Technical Manager Final face-to-face with Line Manager This More ❯