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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Data Engineer Greece - **Company:** Satalia - **Location:** London, UK (Remote available) - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Java (Programming Language), Artificial Intelligence, Amazon Web Services, Big Data, Code Review, Databases, Continuous Integration, Data as a Services, Data Validation, Data Governance, Data Infrastructure, Extract Transform Load (ETL), Data Transformation, Data Security, Data Stores, Relational Databases, Software Debugging, Software Design Documents, Distributed Data Store, Graph Database, Identity and Access Management, Python (Programming Language), PostgreSQL, MySQL, Neo4j, Operational Databases, Raw Data, Search Technologies, Software Engineering, Cloud Platform System, Real Time Systems, Apache Spark, Data Lineage, Apache Kafka, Data Management, Machine Learning Operations, Terraform, Software Version Control, Data Pipelines, Automation Anywhere, Docker - **Published:** July 19, 2026 - **Apply:** https://uk.indeed.com/viewjob?jk=4e4d41decfff2dce ## About the Role * 5+ years of professional software engineering experience, shipping and operating production systems - you've dealt with scaling, reliability, on-call, and the gap between a working prototype and a dependable service. * Deep, demonstrable expertise designing and building distributed data pipelines with Apache Spark, and strong data modelling across relational, vector, and graph databases. * Strong proficiency in at least one general-purpose language (e.g., Python, Scala, or Java) and the ability to work effectively across others. * Hands-on experience with cloud platforms (GCP/AWS), containers (Docker), CI/CD, and infrastructure-as-code (Terraform). * Strong software engineering habits - version control, testing, code review, CI/CD. * Comfort with ambiguity. Many of our problems don't have a known-good solution. * Clear communication - you can write a one-page design doc that is useful for both product managers and staff engineers. If you know some of this, even better: * Experience building and operating ML/LLM-powered production systems (model serving, RAG, agents) at scale. * Experience with event-driven or streaming architectures (e.g., Pub/Sub, Kafka) and real-time systems. * Depth in security, IAM, networking, and data governance in cloud environments. * Background in marketing technology, ad tech, or large-scale data products. * Meaningful open-source contributions or a track record of technical leadership. ## Description Our current work includes: * Large-scale data processing - building robust ETL/ELT pipelines with Apache Spark that ingest, transform, and serve terabyte-scale multimodal datasets across the marketing intelligence stack. * Polyglot data infrastructure - designing and operating relational databases for transactional workloads, vector databases for semantic search and RAG systems, and graph databases for audience relationship and attribution modelling. * Data transformation and modelling - orchestrating analytics engineering workflows with dbt to create well-documented, tested, and version-controlled data models that power downstream AI and BI systems. * Data platform reliability - building the data platform foundations (orchestration, monitoring, data quality checks, lineage tracking) that ensure our pipelines and databases are dependable under production load. You will be a technical lead for the data services and infrastructure that turn raw data into reliable, well-modelled products: scoping the problem, choosing the architecture, building and shipping to production, and operating it under live traffic. You are not handing off a design to someone else - you ship what you build, and you set the bar for how it's built. You'll work closely with data scientists and software engineers across the stack. What you'll be doing: * Architect and build production data pipelines and data platforms that serve models, data, and AI workflows to internal and client-facing applications, accountable for them under live traffic. * Own non-functional quality - latency and throughput budgets, scalability, reliability, observability, and cost - for the systems in your domain. * Lead the design and operation of multi-model data stores - relational databases (PostgreSQL, MySQL), vector databases (Pinecone, Weaviate, pgvector), and graph databases (Neo4j, Neptune) - ensuring the right tool for each access pattern. * Set technical direction: write design docs, make build-vs-buy decisions, and defend your approach with evidence. * Work across the stack when needed - services, data access, infrastructure-as-code, CI/CD - and debug it when things drift in production. * Mentor and set the quality standards for mid-level and junior data engineers. ## Related Videos - [From Messy Queries to Scalable Systems - How Data Engineering actually works](https://www.wearedevelopers.com/videos/100203-from-messy-queries-to-scalable-systems-how-data-engineering-actually-works) - [MySQL Protocol Features You Should Be Aware Of](https://www.wearedevelopers.com/videos/100267-mysql-protocol-features-you-should-be-aware-of) - [Putting the Graph In GraphQL With The Neo4j GraphQL Library](https://www.wearedevelopers.com/videos/257-putting-the-graph-in-graphql-with-the-neo4j-graphql-library) - [Docker Compose: Rediscovered](https://www.wearedevelopers.com/videos/1978-docker-compose-rediscovered) - [Modern Data Architectures need Software Engineering](https://www.wearedevelopers.com/videos/1030-modern-data-architectures-need-software-engineering) - [Coding for Good: Achieving social change with an app](https://www.wearedevelopers.com/videos/1645-coding-for-good-achieving-social-change-with-an-app) ## Related Articles - [Data Engineer Salary UK](https://www.wearedevelopers.com/magazine/253-data-engineer-salary-uk) - [Fully Remote Software Engineer Jobs](https://www.wearedevelopers.com/magazine/447-fully-remote-software-engineer-jobs) - [Software Engineer Salary London](https://www.wearedevelopers.com/magazine/252-software-engineer-salary-london) - [The Most Popular IT Jobs on the Market](https://www.wearedevelopers.com/magazine/376-the-most-popular-it-jobs-on-the-market) - [7 Most Popular Web Developer Jobs in Europe](https://www.wearedevelopers.com/magazine/163-7-most-popular-web-developer-jobs-in-europe) - [Where To Find Software Engineering Jobs](https://www.wearedevelopers.com/magazine/396-where-to-find-software-engineering-jobs)