Data Engineering Jobs

Palantir Technologies · London

Backend engineers on Palantir's infrastructure teams build the lowest layers of the software stack, spanning database technologies, distributed systems, large-scale data, security and application infrastructure. Day-to-day work includes designing opinionated APIs, tracing performance in high-scale microservice architectures, and automating systems like Cassandra, Elasticsearch and Kafka using Java, Rust and Go.

Palantir Technologies · New York, United States · US$135,000 – US$200,000 pa

Owns reliability and operations for Palantir's production software and infrastructure, handling monitoring, alerting, configuration management, upgrades and deployments across many environments. Automates manual workflows and runbooks, debugs and optimises large-scale distributed systems, and participates in an on-call support rotation. Works closely with forward deployed and product teams on systems design, using Java, Go, Python, JavaScript and LLM/AI tooling.

eFinancialCareers · London

Lead investment performance, attribution, pricing and data management functions while driving modernisation of systems, processes and reporting. Manage established teams, champion automation and AI adoption, and build centralised data platforms, working closely with investment teams and senior stakeholders. Combines performance expertise with a technology and data transformation mandate.

eFinancialCareers · London

Take end-to-end ownership of a systematic investment firm's data platform, covering ingestion, ETL pipelines, vendor dataset management, storage design and data quality across market, reference and time-series data. Work directly with the CTO, traders and researchers in a small team, moving across the stack into core systems, APIs and research tooling when needed.

eFinancialCareers · London

Lead a data and analytics organisation spanning strategy, governance, business intelligence, data science and experimentation. Owns game economy standards, monetization optimisation, segmentation and pricing, working with Product and Live Operations to grow player lifetime value. Also directs forecasting, machine learning and responsible AI use across the portfolio.

eFinancialCareers · London

Designs, builds and optimises a petabyte-scale data platform and Data Lake using cloud-native AWS tooling such as S3, EKS, Glue, Airflow, Trino, Parquet and Redshift, with Apache Iceberg adoption planned. The role sits in a flat-structured Data Services team supporting trading users, combining data engineering, DevOps and CI/CD automation on Linux/Unix infrastructure.

eFinancialCareers · London

Owns a greenfield Snowflake-based enterprise data platform for a private markets investment firm, covering architecture, ingestion pipelines and governance. Integrates portfolio, fund administration and market data into governed datasets, with hands-on Python, SQL and Azure work alongside senior stakeholders.

eFinancialCareers · London · £70,000 – £106,000 pa

Designs and builds a greenfield data platform in a hybrid Azure and on-prem environment, creating pipelines, ETL processes and data models while migrating legacy capability. Works within a circa 100-person EMEA Data & Analytics Technology team, mentoring peers and aligning delivery to platform strategy. Requires at least two days a week in the London office.

eFinancialCareers · London · £700 pd

Hands-on role building AI-powered applications, intelligent workflows and machine learning solutions in Python, taking them from concept through to enterprise production deployment. Involves LLMs, agentic frameworks, AI orchestration, model evaluation, testing and monitoring, working with technical teams and business stakeholders to drive AI adoption.

eFinancialCareers · Belfast

Builds and maintains Java/J2EE microservices and RESTful web services for Citi's Risk Data Team within the Institutional Data Platform, working on high-performance data pipelines and aggregation engines. The role involves Core Java multi-threading, Spring Boot, SQL optimisation, CI/CD and code quality tooling, plus leading and mentoring a team of developers. Hybrid working in Belfast with up to two days per week from home.

eFinancialCareers · London · £84,000 – £126,000 pa

Leads data architecture deliverables for a business area or domain, covering current and target state definitions, data cataloguing, and architecture governance. Ensures projects align with data policies and standards while collaborating with global architects and IT/business stakeholders. Supports foundational capabilities underpinning the Data Platform, Client Lifecycle Program, ECB and BCBS 239 in EMEA.

eFinancialCareers · London · £600 – £700 pd

Shapes future-state architecture across a data platform landscape, leading build vs. buy assessments and providing strategic direction to delivery and technology teams. Supports the transition from current to target-state architecture, resolving conflicts and dependencies while weighing low-code/no-code and AI trends. Requires banking and enterprise data platform expertise.

eFinancialCareers · Belfast · £45,000 – £60,000 pa

Hands-on role building and maintaining ETL/ELT pipelines, data warehouses and data lakes, with a focus on Microsoft Fabric, SQL Server, SSIS and SSRS, plus tools like Fivetran and Alteryx. You'll take ownership of the data engineering function, support data migration from legacy systems and work closely with analysts, scientists and business stakeholders.

eFinancialCareers · London · £92,000 – £138,000 pa

Hands-on AI Solutions Architect role taking end-to-end ownership of AI solution design, from use case intake through architecture, governance approval and production delivery. Works across Microsoft 365 Copilot, Copilot Studio, Power Platform, Azure AI and GCP, driving designs through Solution Design Authority and AI governance in a regulated banking environment.

eFinancialCareers · London · £108,000 – £162,000 pa

Sets up and leads the EMEA cross-domain data architecture function, covering domains such as Party, Product, Transaction, Risk, Finance, Compliance, Operations and HR. Drives data domain and data product thinking, target-state architecture, governance and standards, and supports strategic programmes including the Data Platform, Client Lifecycle Programme, ECB and BCBS 239. Works with business and IT stakeholders and global domain architects, using tools such as Collibra, Axon, Purview, Databricks and Snowflake.