SQL, MySQL, PostgreSQL, Doris Event, QuickSight, and possibly Amplitude, Mixpanel, GA4, Airbridge, Adjust, Airflow, dbt, Git or Python. You will own analytics schema, data models, and BI dashboards for ZYMIX, a Gen Z social super-app launching in the UK, bridging product analytics with data building.

Fivetran★3.3 (8)· London

Senior Sales Engineer working with AWS, GCP, Azure, Snowflake, BigQuery, Databricks, Kubernetes, Docker, Podman, Grafana, Linux, Windows, Python, Java, and databases like Oracle, SQL Server, Postgres, MySQL, and NoSQL. The role supports Fivetran’s Commercial sales team by understanding customer data replication needs and leading proof-of-value processes for the company’s automated data pipeline and transformation solutions.

Connected Places Catapult★3.0 (2)· London

You will apply statistical analysis, machine learning, AI, and generative AI (LLMs, agentic workflows) using Python, and work with R, Java, Terraform, and C++. As a Consultant Data Scientist, you deliver digital and data solutions to accelerate innovation for public bodies and infrastructure providers in transport and the built environment. You operate within a project-based team under guidance of a Head of Applied Data Science.

Sainsbury’s★3.5 (16k)· London

In this Senior Data Engineer role you will design and build scalable data pipelines and platforms using PySpark or PyTorch on AWS EMR, Snowflake, Docker, Airflow, Kubernetes, SQL/NoSQL databases and CI/CD with GitHub Actions. You will partner with Data Scientists to make data reliable and production-ready for machine learning solutions, and mentor junior and mid-level engineers.

Design, develop, and optimize data pipelines using SQL, Python, Scala, Java, or Spark, along with ETL/ELT tools like Azure Data Factory, AWS Glue, and Apache Airflow, on cloud platforms such as Azure, AWS, or GCP. You will work with databases (SQL Server, Snowflake, MongoDB), big data technologies (Spark, Kafka, Databricks), and orchestration tools to build scalable cloud-based data platforms supporting enterprise analytics and machine learning.

Lead a data engineering team owning the Snowflake and dbt

Design and build data ingestion pipelines, ETL/ELT processes, and scalable data models using Python, SQL, Apache Spark, Kafka, Airflow, Dagster, Docker, and Kubernetes. The role contributes to a scalable data platform powering analytics, business intelligence, and product development.

You will work with SQL, Python, Apache Kafka, Apache Spark, PostgreSQL, MySQL, Git, CI/CD, Docker, and Kubernetes. You will develop and maintain modern data platforms—building data pipelines, ETL/ELT processes, and scalable data models—to support reporting, analytics, and operational systems for a well-established UK organisation.

Work with Snowflake, dbt, CI/CD, and SQL to lead the data platform that connects product, growth, finance, and CX to a single source of truth, also supporting AI tooling across the company. No team size is stated.

Build reliable data infrastructure using SQL, Python (pandas, NumPy, Apache Spark), open-source tools (Apache Kafka, Airflow/Dagster), relational databases (PostgreSQL, MySQL), Docker, Kubernetes and CI/CD. You will design ingestion pipelines, ETL/ELT processes and data models for an independent B2B energy supply company that provides risk management and energy solutions to UK industrial and commercial sectors.

Tripadvisor★3.9 (142)· London

Work with Snowflake, BigQuery, Hadoop, Hive, SQL, Python, and Airflow. As a member of the Data Platform Enterprise Services Team, you will build and optimize ETL pipelines, data marts, and tooling to provide analytics insights for business-critical decisions across Product, Finance, Sales, and more. The role involves working with terabyte-scale datasets and mentoring junior engineers.

LMAX Group★0.0· London

You'll work with Python, Terraform, Ansible, Kubernetes, Airflow, Meltano, DBT, Kafka, Redpanda, RabbitMQ, MySQL, Snowflake, Iceberg, and AWS to build high-performance data pipelines and real-time streaming systems supporting Business Intelligence at LMAX Group, a Forex and digital currency trading firm.

You will work with AWS, ECS Fargate, Lambda, Aurora, Athena, DMS, Glue, Iceberg, Python, Spark, SQL, and GitLab. As a Data Engineer on the Platform team, you will own and evolve the Data Lake infrastructure and ETL pipelines, migrating production workloads like model calibration and analytics into the Data Lake

Deliveroo★3.3 (1.5k)· London

You'll work with Go, Ruby/Rails, Python, Scala, or Rust alongside PostgreSQL, Redis, DynamicDB, and ElasticSearch to build Deliveroo's food delivery marketplace serving millions at scale. You'll improve code architecture, lead technical projects, conduct interviews, mentor engineers, and collaborate across teams while solving logistical problems in a three-sided marketplace.

Deliveroo★3.3 (1.5k)· London

You'll work with Go, Ruby, Python, Scala, and Rust to build production systems for Deliveroo's three-sided on-demand delivery marketplace, handling real-time logistics, infrastructure, and marketplace optimization that serves millions of users globally. As a new grad engineer in London, you'll own features end-to-end, improve system architecture, and collaborate across teams while receiving mentorship from senior engineers.

Deliveroo★3.3 (1.5k)· London

You'll design and scale backend services for Deliveroo's real-time food delivery marketplace using Go, Ruby, or Python, working with relational databases like PostgreSQL and NoSQL systems such as Redis and DynamoDB. The role involves improving code architecture, enhancing system reliability through monitoring, and collaborating across teams to support a hyper-local marketplace serving millions of users globally.

Deliveroo★3.3 (1.5k)· London

You'll work with Go, Ruby/Rails, Python, Scala, and Rust to build backend web applications, with experience in PostgreSQL, MySQL, Redis, DynamoDB, and ElasticSearch for data handling. You'll improve code architecture and lead project planning for Deliveroo's three-sided marketplace serving millions of customers, riders, and partners globally, while mentoring engineers and guiding technical decisions across your team.

Deliveroo★3.3 (1.5k)· London

You'll design and build scalable backend services and frontend components using Go, Ruby, Python, and Scala, handling high-traffic workloads (20k+ rpm) with PostgreSQL, MySQL, Redis, DynamoDB, and Elasticsearch. You'll join Deliveroo's engineering team powering a three-sided food delivery marketplace serving millions of customers, riders, and partners globally, leading architectural improvements and mentoring colleagues.