City of London, London, United Kingdom Hybrid / WFH Options
Mondrian Alpha
skills — able to translate complex technical detail into clear business insight. Financial knowledge is a plus, but not required. Experience with Microsoft SQL Server, PostgreSQL, or columnar databases (e.g. ClickHouse) advantageous. Apply now via the link below or send your resume directly to jimmy.xu@mondrian-alpha.com. More ❯
skills — able to translate complex technical detail into clear business insight. Financial knowledge is a plus, but not required. Experience with Microsoft SQL Server, PostgreSQL, or columnar databases (e.g. ClickHouse) advantageous. Apply now via the link below or send your resume directly to jimmy.xu@mondrian-alpha.com. More ❯
london, south east england, united kingdom Hybrid / WFH Options
Mondrian Alpha
skills — able to translate complex technical detail into clear business insight. Financial knowledge is a plus, but not required. Experience with Microsoft SQL Server, PostgreSQL, or columnar databases (e.g. ClickHouse) advantageous. Apply now via the link below or send your resume directly to jimmy.xu@mondrian-alpha.com. More ❯
slough, south east england, united kingdom Hybrid / WFH Options
Mondrian Alpha
skills — able to translate complex technical detail into clear business insight. Financial knowledge is a plus, but not required. Experience with Microsoft SQL Server, PostgreSQL, or columnar databases (e.g. ClickHouse) advantageous. Apply now via the link below or send your resume directly to jimmy.xu@mondrian-alpha.com. More ❯
london (city of london), south east england, united kingdom Hybrid / WFH Options
Mondrian Alpha
skills — able to translate complex technical detail into clear business insight. Financial knowledge is a plus, but not required. Experience with Microsoft SQL Server, PostgreSQL, or columnar databases (e.g. ClickHouse) advantageous. Apply now via the link below or send your resume directly to jimmy.xu@mondrian-alpha.com. More ❯
a batch-oriented data stack (Orchestration: Airflow/Dagster/Temporal; Data processing: Polars/Spark/DuckDB; Data ingestion: Airbyte/Fivetran/dltHub; Data warehousing: BigQuery/ClickHouse/Snowflake). Experience with cloud platforms (GCP preferred), infrastructure as code, and cloud cost optimization. Track record of building data infrastructure serving analytics, ML and GenAI use cases. More ❯
parts of a batch oriented data stack , e.g. Orchestration: Airflow (preferred), Dagster, or Temporal Data processing: Polars, Spark or DuckDB Data ingestion: Airbyte, Fivetran, or dltHub Data warehousing: BigQuery, Clickhouse, or Snowflake Experience with cloud platforms (GCP preferred), infrastructure as code, and cloud cost optimisation. Track record of building data infrastructure that serves both analytics, ML and GenAI use More ❯
ClickHouse Enigneer SQL to ClickHouse Migration Energy Trading Up to £800/day Inside IR35 Hybrid London (2-3 Days Office) A hands-on ClickHouse Engineer is required for a leading Energy Trading House undertaking a major transformation of its data platform - migrating from traditional SQL-based systems to ClickHouse . This client operates across physical … with a strong focus on analytics, optimisation, and real-time data processing to support trading and risk decisions. This role will focus on designing, building, and optimising the new ClickHouse data architecture , ensuring scalability, performance, and integration with existing trading systems. You'll play a key role in refactoring existing SQL pipelines, enhancing data models, and implementing best practices … non-relational databases - ideally clickhouse. They accept alternative experience with C#, Python or similar languages. If not C#, Python is preffered. The ideal candidate will bring strong hands-on ClickHouse experience , and some experience in either C#/.NET/Python. Day rate: Up to £800/day Inside IR35 Contract: 6 months rolling (long-term migration programme) Location More ❯
ClickHouse Enigneer | SQL to ClickHouse Migration | Energy Trading | Up to £800/day Inside IR35 | Hybrid London (2–3 Days Office) A hands-on ClickHouse Engineer is required for a leading Energy Trading House undertaking a major transformation of its data platform — migrating from traditional SQL-based systems to ClickHouse . This client operates across physical … with a strong focus on analytics, optimisation, and real-time data processing to support trading and risk decisions. This role will focus on designing, building, and optimising the new ClickHouse data architecture , ensuring scalability, performance, and integration with existing trading systems. You’ll play a key role in refactoring existing SQL pipelines, enhancing data models, and implementing best practices … non-relational databases - ideally clickhouse. They accept alternative experience with C#, Python or similar languages. If not C#, Python is preffered. The ideal candidate will bring strong hands-on ClickHouse experience , and some experience in either C#/.NET/Python. 💷 Day rate: Up to £800/day Inside IR35 📈 Contract: 6 months rolling (long-term migration programme) 📍 Location More ❯
City of London, London, United Kingdom Hybrid / WFH Options
VirtueTech Recruitment Group
ClickHouse Enigneer | SQL to ClickHouse Migration | Energy Trading | Up to £800/day Inside IR35 | Hybrid London (2–3 Days Office) A hands-on ClickHouse Engineer is required for a leading Energy Trading House undertaking a major transformation of its data platform — migrating from traditional SQL-based systems to ClickHouse . This client operates across physical … with a strong focus on analytics, optimisation, and real-time data processing to support trading and risk decisions. This role will focus on designing, building, and optimising the new ClickHouse data architecture , ensuring scalability, performance, and integration with existing trading systems. You’ll play a key role in refactoring existing SQL pipelines, enhancing data models, and implementing best practices … non-relational databases - ideally clickhouse. They accept alternative experience with C#, Python or similar languages. If not C#, Python is preffered. The ideal candidate will bring strong hands-on ClickHouse experience , and some experience in either C#/.NET/Python. 💷 Day rate: Up to £800/day Inside IR35 📈 Contract: 6 months rolling (long-term migration programme) 📍 Location More ❯
london, south east england, united kingdom Hybrid / WFH Options
VirtueTech Recruitment Group
ClickHouse Enigneer | SQL to ClickHouse Migration | Energy Trading | Up to £800/day Inside IR35 | Hybrid London (2–3 Days Office) A hands-on ClickHouse Engineer is required for a leading Energy Trading House undertaking a major transformation of its data platform — migrating from traditional SQL-based systems to ClickHouse . This client operates across physical … with a strong focus on analytics, optimisation, and real-time data processing to support trading and risk decisions. This role will focus on designing, building, and optimising the new ClickHouse data architecture , ensuring scalability, performance, and integration with existing trading systems. You’ll play a key role in refactoring existing SQL pipelines, enhancing data models, and implementing best practices … non-relational databases - ideally clickhouse. They accept alternative experience with C#, Python or similar languages. If not C#, Python is preffered. The ideal candidate will bring strong hands-on ClickHouse experience , and some experience in either C#/.NET/Python. 💷 Day rate: Up to £800/day Inside IR35 📈 Contract: 6 months rolling (long-term migration programme) 📍 Location More ❯
london (city of london), south east england, united kingdom Hybrid / WFH Options
VirtueTech Recruitment Group
ClickHouse Enigneer | SQL to ClickHouse Migration | Energy Trading | Up to £800/day Inside IR35 | Hybrid London (2–3 Days Office) A hands-on ClickHouse Engineer is required for a leading Energy Trading House undertaking a major transformation of its data platform — migrating from traditional SQL-based systems to ClickHouse . This client operates across physical … with a strong focus on analytics, optimisation, and real-time data processing to support trading and risk decisions. This role will focus on designing, building, and optimising the new ClickHouse data architecture , ensuring scalability, performance, and integration with existing trading systems. You’ll play a key role in refactoring existing SQL pipelines, enhancing data models, and implementing best practices … non-relational databases - ideally clickhouse. They accept alternative experience with C#, Python or similar languages. If not C#, Python is preffered. The ideal candidate will bring strong hands-on ClickHouse experience , and some experience in either C#/.NET/Python. 💷 Day rate: Up to £800/day Inside IR35 📈 Contract: 6 months rolling (long-term migration programme) 📍 Location More ❯
slough, south east england, united kingdom Hybrid / WFH Options
VirtueTech Recruitment Group
ClickHouse Enigneer | SQL to ClickHouse Migration | Energy Trading | Up to £800/day Inside IR35 | Hybrid London (2–3 Days Office) A hands-on ClickHouse Engineer is required for a leading Energy Trading House undertaking a major transformation of its data platform — migrating from traditional SQL-based systems to ClickHouse . This client operates across physical … with a strong focus on analytics, optimisation, and real-time data processing to support trading and risk decisions. This role will focus on designing, building, and optimising the new ClickHouse data architecture , ensuring scalability, performance, and integration with existing trading systems. You’ll play a key role in refactoring existing SQL pipelines, enhancing data models, and implementing best practices … non-relational databases - ideally clickhouse. They accept alternative experience with C#, Python or similar languages. If not C#, Python is preffered. The ideal candidate will bring strong hands-on ClickHouse experience , and some experience in either C#/.NET/Python. 💷 Day rate: Up to £800/day Inside IR35 📈 Contract: 6 months rolling (long-term migration programme) 📍 Location More ❯
deploying to Heroku and other Cloud based deployment products. Experience working with a PostgreSQL database. Working knowledge of Git and GitHub. Understanding of GraphQL. Experience working with data warehouses (Clickhouse, Snowflake, GCP etc) (beneficial) Company Culture and Benefits Regular social events and ongoing clubs Provided Latest MacBook Pro laptop to work from Flexi-hours Hybrid Working £200 grant to More ❯
pipelines, tracing infrastructure, or profiling tools). Lead technical execution for major components of Twilio's observability overhaul, including shift to centralized S3-based data lakes, OpenTelemetry instrumentation, and ClickHouse-backed query engines. Deep proficiency in at least one modern programming language (e.g., Go, Python, Java). Familiarity with high-cardinality data challenges and telemetry correlation techniques. Solid understanding … leadership across teams, helping to establish telemetry standards, efficient usage patterns, and scalable platform abstractions. Ability to make forward-looking technical decisions and lead others through ambiguity. Familiarity with ClickHouse, Grafana Loki, Athena, or equivalent systems for log and metrics querying. Contributions to open-source observability tools or communities. Experience building cost visibility or FinOps tooling for cloud compute More ❯
Data Developer – Hybrid - £800/day Inside IR35 | C# | ClickHouse | SingleStore | Rockset | TimescaleDB | 6-Month Rolling | I’m working with a commodities trading firm that’s embarking on a greenfield rebuild of their data-intensive trading platform, moving from traditional SQL infrastructure to a next-generation analytical stack built in .NET and ClickHouse. They’re looking for a Data … IR35 6-month rolling contract Hybrid, 2 days onsite in London Key Focus Areas Strong experience with .NET/C# (backend-focused) Hands-on with analytical databases such as ClickHouse, SingleStore, Rockset, or TimescaleDB Experience with open-standard data lakes (e.g. Apache Iceberg, Delta Tables, Apache Spark, column stores) Comfortable working with large-scale data ingestion and processing (batch … or streaming) Data Developer – Hybrid - £800/day Inside IR35 | C# | ClickHouse | SingleStore | Rockset | TimescaleDB | 6-Month Rolling More ❯
City of London, London, United Kingdom Hybrid / WFH Options
VirtueTech Recruitment Group
Data Developer – Hybrid - £800/day Inside IR35 | C# | ClickHouse | SingleStore | Rockset | TimescaleDB | 6-Month Rolling | I’m working with a commodities trading firm that’s embarking on a greenfield rebuild of their data-intensive trading platform, moving from traditional SQL infrastructure to a next-generation analytical stack built in .NET and ClickHouse. They’re looking for a Data … IR35 6-month rolling contract Hybrid, 2 days onsite in London Key Focus Areas Strong experience with .NET/C# (backend-focused) Hands-on with analytical databases such as ClickHouse, SingleStore, Rockset, or TimescaleDB Experience with open-standard data lakes (e.g. Apache Iceberg, Delta Tables, Apache Spark, column stores) Comfortable working with large-scale data ingestion and processing (batch … or streaming) Data Developer – Hybrid - £800/day Inside IR35 | C# | ClickHouse | SingleStore | Rockset | TimescaleDB | 6-Month Rolling More ❯
london, south east england, united kingdom Hybrid / WFH Options
VirtueTech Recruitment Group
Data Developer – Hybrid - £800/day Inside IR35 | C# | ClickHouse | SingleStore | Rockset | TimescaleDB | 6-Month Rolling | I’m working with a commodities trading firm that’s embarking on a greenfield rebuild of their data-intensive trading platform, moving from traditional SQL infrastructure to a next-generation analytical stack built in .NET and ClickHouse. They’re looking for a Data … IR35 6-month rolling contract Hybrid, 2 days onsite in London Key Focus Areas Strong experience with .NET/C# (backend-focused) Hands-on with analytical databases such as ClickHouse, SingleStore, Rockset, or TimescaleDB Experience with open-standard data lakes (e.g. Apache Iceberg, Delta Tables, Apache Spark, column stores) Comfortable working with large-scale data ingestion and processing (batch … or streaming) Data Developer – Hybrid - £800/day Inside IR35 | C# | ClickHouse | SingleStore | Rockset | TimescaleDB | 6-Month Rolling More ❯
slough, south east england, united kingdom Hybrid / WFH Options
VirtueTech Recruitment Group
Data Developer – Hybrid - £800/day Inside IR35 | C# | ClickHouse | SingleStore | Rockset | TimescaleDB | 6-Month Rolling | I’m working with a commodities trading firm that’s embarking on a greenfield rebuild of their data-intensive trading platform, moving from traditional SQL infrastructure to a next-generation analytical stack built in .NET and ClickHouse. They’re looking for a Data … IR35 6-month rolling contract Hybrid, 2 days onsite in London Key Focus Areas Strong experience with .NET/C# (backend-focused) Hands-on with analytical databases such as ClickHouse, SingleStore, Rockset, or TimescaleDB Experience with open-standard data lakes (e.g. Apache Iceberg, Delta Tables, Apache Spark, column stores) Comfortable working with large-scale data ingestion and processing (batch … or streaming) Data Developer – Hybrid - £800/day Inside IR35 | C# | ClickHouse | SingleStore | Rockset | TimescaleDB | 6-Month Rolling More ❯
london (city of london), south east england, united kingdom Hybrid / WFH Options
VirtueTech Recruitment Group
Data Developer – Hybrid - £800/day Inside IR35 | C# | ClickHouse | SingleStore | Rockset | TimescaleDB | 6-Month Rolling | I’m working with a commodities trading firm that’s embarking on a greenfield rebuild of their data-intensive trading platform, moving from traditional SQL infrastructure to a next-generation analytical stack built in .NET and ClickHouse. They’re looking for a Data … IR35 6-month rolling contract Hybrid, 2 days onsite in London Key Focus Areas Strong experience with .NET/C# (backend-focused) Hands-on with analytical databases such as ClickHouse, SingleStore, Rockset, or TimescaleDB Experience with open-standard data lakes (e.g. Apache Iceberg, Delta Tables, Apache Spark, column stores) Comfortable working with large-scale data ingestion and processing (batch … or streaming) Data Developer – Hybrid - £800/day Inside IR35 | C# | ClickHouse | SingleStore | Rockset | TimescaleDB | 6-Month Rolling More ❯
Greater London, England, United Kingdom Hybrid / WFH Options
CommuniTech Recruitment Group
Data Developer. C# + (either Clickhouse, SingleStore, Rockset, TimescaleDB) + open standard datalake (e.g. Iceberg or Delta tables, Apache Spark, Column store). £700/Day. 6 month rolling. Hybrid. My client is a top tier commodities trading firm that is looking for a strong C# Data Engineer. The key things in summary are: Strong experience of .NET C# … Have you worked with an analytical database such as Clickhouse, SingleStore, Rockset, TimescaleDB? Have you got any experience working with an open standard datalake (e.g. Iceberg or Delta tables, Apache Spark, Column store) Have you got any experience processing (e.g. ingesting into a database) a large amount of data (in batches would be fine)? Required Skills and Experience Proven … and deployment Strong database experience SQL Server and analytical databases Good development practices such as test automation, IOC, SOLID principles, logging and monitoring. Desirable Skills and Experience • Experience with Clickhouse • Experience working with open data formats such as parquet Automated continuous integration pipelines including automated deployment Agile development (Scrum preferred) Azure Dev-Ops (Team Foundation Server) for continuous integration More ❯
that is looking for a strong C# Data Engineer. The key things in summary are: Strong experience of .NET C# Have you worked with an analytical database such as Clickhouse, SingleStore, Rockset, TimescaleDB? Have you got any experience working with an open standard datalake (e.g. Iceberg or Delta tables, Apache Spark, Column store) Have you got any experience processing … and deployment Strong database experience SQL Server and analytical databases Good development practices such as test automation, IOC, SOLID principles, logging and monitoring. Desirable Skills and Experience • Experience with Clickhouse • Experience working with open data formats such as parquet Automated continuous integration pipelines including automated deployment Agile development (Scrum preferred) Azure Dev-Ops (Team Foundation Server) for continuous integration More ❯
Greater London, England, United Kingdom Hybrid / WFH Options
CommuniTech Recruitment Group
that is looking for a strong C# Data Engineer. The key things in summary are: Strong experience of .NET C# Have you worked with an analytical database such as Clickhouse, SingleStore, Rockset, TimescaleDB? Have you got any experience working with an open standard datalake (e.g. Iceberg or Delta tables, Apache Spark, Column store) Have you got any experience processing … and deployment Strong database experience SQL Server and analytical databases Good development practices such as test automation, IOC, SOLID principles, logging and monitoring. Desirable Skills and Experience • Experience with Clickhouse • Experience working with open data formats such as parquet Automated continuous integration pipelines including automated deployment Agile development (Scrum preferred) Azure Dev-Ops (Team Foundation Server) for continuous integration More ❯
london, south east england, united kingdom Hybrid / WFH Options
CommuniTech Recruitment Group
that is looking for a strong C# Data Engineer. The key things in summary are: Strong experience of .NET C# Have you worked with an analytical database such as Clickhouse, SingleStore, Rockset, TimescaleDB? Have you got any experience working with an open standard datalake (e.g. Iceberg or Delta tables, Apache Spark, Column store) Have you got any experience processing … and deployment Strong database experience SQL Server and analytical databases Good development practices such as test automation, IOC, SOLID principles, logging and monitoring. Desirable Skills and Experience • Experience with Clickhouse • Experience working with open data formats such as parquet Automated continuous integration pipelines including automated deployment Agile development (Scrum preferred) Azure Dev-Ops (Team Foundation Server) for continuous integration More ❯
