230 jobs
Harnham - Data and Analytics Recruitment London £100,000 – £110,000 pa
Hands-on data engineering lead role at a private equity firm, designing and scaling modern data platforms across a portfolio of companies. Combines technical delivery, data architecture and senior stakeholder advisory, with direct C-suite exposure and a focus on making infrastructure AI-ready for advanced analytics and agentic AI use cases.
Harnham - Data and Analytics Recruitment London £50,000 – £60,000 pa
Builds and maintains scalable data pipelines using Azure Data Factory and Databricks, integrating data from finance, HR and operational systems. Develops a lakehouse architecture with Kimball and star-schema models, and supports the Power BI reporting layer including semantic models and DAX. Joins an early-stage data function, shaping standards and working closely with business stakeholders.
Palantir Technologies London
Builds the tools and interfaces within Palantir Foundry that let users create data-intensive applications, working with TypeScript, React and GraphQL. Involves architecting state management and access patterns, owning frontend APIs and schemas, and iterating with users and designers. May include a Frontline rotation embedded with customers.
Palantir Technologies London
Builds the lowest layers of Palantir's Foundry and Gotham platforms, spanning database technologies, distributed systems, large-scale data, security and application infrastructure. Work includes designing opinionated APIs, tracing performance in high-scale microservice architectures, and automating systems like Cassandra, Elasticsearch and Kafka.
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.
Palantir Technologies New York, United States US$135,000 – US$200,000 pa
Builds and evolves APIs powered by Kubernetes controllers, bridging raw clusters and an infrastructure-agnostic runtime for hundreds of microservices. Works with forward deployed and customer engineers on a PaaS for US Government customers, shaping the product's early strategy and long-term tech roadmap.
Palantir Technologies New York, United States US$110,000 – US$147,000 pa
Ensures stability and reliability of mission-critical workflows built on Palantir software, going on call to resolve incidents before customers are impacted. Uses field learnings to drive product change, shape internal tooling, and automate or streamline workflows, documenting best practices to raise reliability across the organisation.
Palantir Technologies New York, United States US$135,000 – US$200,000 pa
Works directly with customers to own Gen AI strategy and implementation, building end-to-end LLM workflows and taking them to production at large scale. Operates like a hands-on AI startup CTO in small teams, delivering high-stakes projects and feeding field learnings back into the AIP product suite. Requires strong engineering and ML foundations plus up to 25% travel to client sites.
Palantir Technologies London
Works deep inside the data processing infrastructure behind Palantir Foundry, designing query planning and optimization, extending execution engines, and improving operators, parallelism and memory management. Builds on and extends Apache Spark, DataFusion, Comet, Velox and Iceberg, owning changes from design through production with a high bar for correctness and predictable performance.
eFinancialCareers London
Designs, builds and optimises scalable Snowflake data solutions for Risk, Finance, Treasury and Regulatory reporting in a financial services environment. Hands-on delivery covers ELT/ETL pipelines, dbt transformation frameworks, Python automation, data modelling and performance tuning, alongside solution architecture and stakeholder workshops.
eFinancialCareers London
Lead the design and delivery of a mission-critical risk data platform for a financial markets clearing organisation, building batch-processing services for market and historical time-series data. The role is hands-on, owning architecture, engineering standards and complex technical decisions, with strong Java 11+ (17+ preferred) and Spring Boot skills. Works closely with infrastructure, security, DevOps and Quant Risk teams, including production support and an on-call rota.
