but not necessary) Agile The following is DESIRABLE, not essential: AWS or GCP Buy-side Data tools such as Glue, Athena, Airflow, Ignite, DBT, Arrow, Iceberg, Dremio Fixed Income performance, risk or attribution TypeScript and Node Role: Python Developer (Software Engineer Programmer Developer Python Fixed Income JavaScript Node Fixed … times a week. The tech environment is very new and will soon likely include exposure to the following: Glue, Athena, Airflow, Ignite, DBT, Arrow, Iceberg, Dremio This is an environment that has been described as the only corporate environment with a start-up/fintech attitude towards technology. Hours More ❯
to learn new technologies and frameworks Nice to have: Knowledge of databases, SQL Familiarity with Boost ASIO Familiarity with data serialization formats such as ApacheArrow/Parquet, Google Protocol Buffers, Flatbuffers Experience with gRPC, HTTP/REST, and WebSocket protocols Experience with Google Cloud/AWS and More ❯
years’ experience; or equivalent experience for Senior Software Engineer Recent experience in software development in modern Python Familiarity with data tooling (for example Pandas, Arrow, S3, etc) Familiarity with ML lifecycles and tooling (for example Pytorch, Huggingface, vllm, Airflow, Prefect, Luigi, etc) Ability to work with scientific software, either More ❯
London, England, United Kingdom Hybrid / WFH Options
Count Technologies Ltd
autonomously on business critical projects, and collaborate with others throughout our team and user base. Our tech stack includes TypeScript, Python, Node, WebAssembly, WebGL, ApacheArrow, DuckDB, Kubernetes and React. For the best possible user experience, we have developed various technologies in-house, including a custom WebGL rendering More ❯
and CI/CD workflows Familiarity with SQL and at least one columnar or time-series data store (e.g., kdb+, ClickHouse, InfluxDB, Parquet/Arrow) Excellent problem-solving abilities, attention to detail, and clear communication skills Nice To Have: Prior exposure with execution algos, TCA, order-routing, or market More ❯
their team in London on a full-time basis What You’ll Do Architect and implement high-performance data processing systems in Rust Leverage ApacheArrow and Parquet for in-memory and on-disk data efficiency Integrate and extend systems like DataFusion, ClickHouse, and DuckDB Design low-latency … ll Be a Great Fit If You: Have experience with Rust/C/C++ or systems-level languages Experience with columnar formats like Arrow and Parquet Have worked with or contributed to analytical databases like ClickHouse, DuckDB, or DataFusion Understand memory management, file formats, and query execution pipelines More ❯
their team in London on a full-time basis What You’ll Do Architect and implement high-performance data processing systems in Rust Leverage ApacheArrow and Parquet for in-memory and on-disk data efficiency Integrate and extend systems like DataFusion, ClickHouse, and DuckDB Design low-latency More ❯
their team in London on a full-time basis What You’ll Do Architect and implement high-performance data processing systems in Rust Leverage ApacheArrow and Parquet for in-memory and on-disk data efficiency Integrate and extend systems like DataFusion, ClickHouse, and DuckDB Design low-latency More ❯
their team in London on a full-time basis What You’ll Do Architect and implement high-performance data processing systems in Rust Leverage ApacheArrow and Parquet for in-memory and on-disk data efficiency Integrate and extend systems like DataFusion, ClickHouse, and DuckDB Design low-latency More ❯
London, England, United Kingdom Hybrid / WFH Options
TalentCo
or the UK. Design and build a cloud-native analytical database system optimised for sparse, wide, and multimodal logs. Work with technologies like Rust, ApacheArrow, and Datafusion to build scalable, low-latency systems. Collaborate on every part of the stack—from data ingestion and indexing to query More ❯
services, so they use many old technologies (Remoting, MSMQ, WCF, Winforms, WPF) while migrating to new tools (.NET Core 8, Kafka, REST APIs, React, Arrow Flight). Devops is based on Bitbucket and Teamcity (Jenkins for the Python stack), using Grafana + Prometheus for metrics collection. Parts of the More ❯
London, England, United Kingdom Hybrid / WFH Options
Opus Recruitment Solutions
experience with ML frameworks (PyTorch, TensorFlow, Keras). Proficiency in Python and C/C++. Experience with scalable data tools (e.g., PySpark, Kubernetes, Databricks, ApacheArrow). Proven ability to manage GPU-intensive data processing jobs. 4+ years of applied research or industry experience. Creative problem-solver with More ❯
London, England, United Kingdom Hybrid / WFH Options
Acadian Asset
rebuilding our data platform to ensure we stay ahead in a rapidly evolving landscape. You’ll be hands-on, using the latest tools like ApacheArrow, Polars, and Dagster to craft a data architecture that aligns with our innovative investment strategies. In this position, you’ll be deeply More ❯
London, England, United Kingdom Hybrid / WFH Options
Cortex Tech Limited
The Backend Developer will be part of the fully remote Backend development team - building services to support a variety of products used by customers in the sports industry across the UK and internationally. We predominantly use Golang for backend development More ❯
London, England, United Kingdom Hybrid / WFH Options
Cortex Tech Limited
The Lead Backend Developer will be part of the fully remote Backend development team - building services to support a variety of products used by customers in the sports industry across the UK and internationally. This role will take on the More ❯
/CD, Git, automated testing). Familiarity with data governance tools (e.g., Data Lineage, Data Quality). Experience with tools like Redis , Neo4j , or ApacheArrow . Power BI experience for data visualisation is a plus. What You Bring: Strong problem-solving and analytical skills. Excellent communication and More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Opus Recruitment Solutions
experience with ML frameworks (PyTorch, TensorFlow, Keras). Proficiency in Python and C/C++. Experience with scalable data tools (e.g., PySpark, Kubernetes, Databricks, ApacheArrow). Proven ability to manage GPU-intensive data processing jobs. 4+ years of applied research or industry experience. Creative problem-solver with More ❯
experience with ML frameworks (PyTorch, TensorFlow, Keras). Proficiency in Python and C/C++. Experience with scalable data tools (e.g., PySpark, Kubernetes, Databricks, ApacheArrow). Proven ability to manage GPU-intensive data processing jobs. 4+ years of applied research or industry experience. Creative problem-solver with More ❯
Sheffield, England, United Kingdom Hybrid / WFH Options
JR United Kingdom
experience with ML frameworks (PyTorch, TensorFlow, Keras). Proficiency in Python and C/C++. Experience with scalable data tools (e.g., PySpark, Kubernetes, Databricks, ApacheArrow). Proven ability to manage GPU-intensive data processing jobs. 4+ years of applied research or industry experience. Creative problem-solver with More ❯
Woking, England, United Kingdom Hybrid / WFH Options
JR United Kingdom
or the UK. Design and build a cloud-native analytical database system optimised for sparse, wide, and multimodal logs. Work with technologies like Rust, ApacheArrow, and Datafusion to build scalable, low-latency systems. Collaborate on every part of the stack—from data ingestion and indexing to query More ❯
York, England, United Kingdom Hybrid / WFH Options
JR United Kingdom
or the UK. Design and build a cloud-native analytical database system optimised for sparse, wide, and multimodal logs. Work with technologies like Rust, ApacheArrow, and Datafusion to build scalable, low-latency systems. Collaborate on every part of the stack—from data ingestion and indexing to query More ❯
Lincoln, England, United Kingdom Hybrid / WFH Options
JR United Kingdom
or the UK. Design and build a cloud-native analytical database system optimised for sparse, wide, and multimodal logs. Work with technologies like Rust, ApacheArrow, and Datafusion to build scalable, low-latency systems. Collaborate on every part of the stack—from data ingestion and indexing to query More ❯
Exeter, England, United Kingdom Hybrid / WFH Options
JR United Kingdom
or the UK. Design and build a cloud-native analytical database system optimised for sparse, wide, and multimodal logs. Work with technologies like Rust, ApacheArrow, and Datafusion to build scalable, low-latency systems. Collaborate on every part of the stack—from data ingestion and indexing to query More ❯
Bath, England, United Kingdom Hybrid / WFH Options
JR United Kingdom
or the UK. Design and build a cloud-native analytical database system optimised for sparse, wide, and multimodal logs. Work with technologies like Rust, ApacheArrow, and Datafusion to build scalable, low-latency systems. Collaborate on every part of the stack—from data ingestion and indexing to query More ❯
Newport, Wales, United Kingdom Hybrid / WFH Options
JR United Kingdom
or the UK. Design and build a cloud-native analytical database system optimised for sparse, wide, and multimodal logs. Work with technologies like Rust, ApacheArrow, and Datafusion to build scalable, low-latency systems. Collaborate on every part of the stack—from data ingestion and indexing to query More ❯