architectures for high-velocity, high-throughput systems. Strong proficiency in real-time data streaming technologies such as Kafka, Pulsar, and RabbitMQ. Extensive experience with high-performance databases, including PostgreSQL, ClickHouse, Cassandra, and Redis. In-depth knowledge of ETL/ELT pipelines, data transformation, and storage optimization. Skilled in working with big data frameworks like Spark, Flink, and Druid. Hands More ❯
informed. We rely on the following tools and technologies: Python for our backend code Postgres for data storage Redis for caching Kafka for stream processing React for our frontend Clickhouse for analytics SwiftUI for our Driver iOS App AWS, Terraform, GitLab CI/CD, Docker and ECS to deploy and run our services Flutter for our on-board server More ❯
whilst collaborating with stakeholders directly. Ideally, you will have strong experience with Python, or a similar language, and be proficient with SQL. Experience in finance and with databases like ClickHouse is desirable, but is not required. Have a passion for data projects and looking to join a forward-thinking team? Apply or email me directly at megan@saragossa.io No More ❯
South East London, England, United Kingdom Hybrid / WFH Options
Hartree Partners
research code into production services (CI/CD, containers etc) Strong SQL and data-management skills; experience querying large analytical databases (Snowflake highly desirable, but Redshift/BigQuery/ClickHouse etc. also welcome). PREFERRED QUALIFICATIONS: Meteorological understanding/experience with weather modelling Prior knowledge or experience in the power markets or energy sector. Experience with cloud platforms (e.g. More ❯
for-Good company allows the housing sector to provide technology to those that need it most, and creates a safer environment for all to live in. Key responsibilities: Manage ClickHouse clusters to handle large-scale data storage and analytics. Manage MySQL database performance, including design of data models, query optimization and indexing. Advise and implement elegant data models, working … languages like Python, Typescript. Experience conducting load testing. Experience building monitoring dashboards and developing system performance alarms e.g. with Kibana and Cloudwatch Alarms. Proficiency in (or decent knowledge of) ClickHouse or other column oriented databases Strong SQL skills and understanding of database design principles. Experience with NoSQL databases like ElasticSearch, Dynamo DB. Experience with ETL tools and data integration … days per week. If you have a passion for improving skills, are a self-starter, who wants to be involved in green field projects or use new technologies like ClickHouse, then this is the role for you! You will be part of an exciting and growing business, who are making a huge positive impact to the community. So, if More ❯
Architect and implement high-performance data processing systems in Rust Leverage Apache Arrow and Parquet for in-memory and on-disk data efficiency Integrate and extend systems like DataFusion, ClickHouse, and DuckDB Design low-latency pipelines for analytical workloads Collaborate with product and platform teams to expose these capabilities via modern APIs Contribute to open-source projects and shape … You’ll Be a Great Fit If You: Have experience with Rust/C/C++ or systems-level languages Have worked with or contributed to analytical databases like ClickHouse, DuckDB, or DataFusion Understand memory management, file formats, and query execution pipelines Are passionate about open-source and care about software craftsmanship Thrive in a startup environment Want to More ❯
in Rust , C , or C++ Solid understanding of operating systems, file systems, and storage internals Experience working with modern data formats or infrastructure tools (e.g., Apache Arrow, Parquet, DuckDB, ClickHouse) A passion for infrastructure and performance problems Willingness and ability to work on-site 5 days/week in London or New York City More ❯
professionally (essential requirement) Experience with Eclipse RCP Experience using Maven Familiarity with working in a Linux environment Experience with bash scripting Experience working with databases, such as H2, PostgreSQL, ClickHouse, and ElasticSearch Training will be offered to those who need it. We also welcome any applicants who enjoy giving presentations, leading teams, or have experience working with customers, but More ❯
