1 to 25 of 74 Relational Database Jobs in London

Title: Junior Database Administrator Model: Hybrid Location: London Salary: £40,000 – £55,000 DOE We are partnering with a well-established Commercial Insurer that is looking to hire a Junior Database Administrator to join its Technology team. As the organisation continues to invest in modernising its core Policy … Administration System (PAS) and digital infrastructure, this role will support the stability, performance, and optimisation of its database environments. This is an excellent opportunity for someone early in their DBA career to develop their technical expertise within a structured, enterprise insurance environment. The Role As a Junior Database ...

full-stack development using: TypeScript (and JavaScript frameworks such as NextJS, Node, or Tailwind) Python (including frameworks like Django, Flask, or FastAPI) PostgreSQL and relational database design, optimization, and maintenance. AI Development Tools such as Windsurf, Aider or Augment. Demonstrable experience building and scaling SaaS platforms ...

orchestration (Kubernetes). Strong knowledge of CI/CD, Infrastructure as Code, and automated testing (JUnit, Mockito, integration tests). Experience with SQL and relational databases; understanding of performance tuning and transactionality. Production support experience: monitoring, logging, tracing and incident management. Mindset: self-directed, proactive problem-solver who challenges ...

testing frameworks such as JUnit 5.x (Jupiter). Expert with Git version control. Proficient in Agile Development using SCRUM. Advanced knowledge of Oracle/Relational Databases and/or Mongo. Experience of GitLab CI/CD Pipelines. Experience of Apache NiFi. Experience in the use of Atlassian Suite - Bitbucket ...

. Proven experience building high-throughput systems such as: Applications streaming +100GB via Kafka, or Managing +100TB data lakes, or Operating against +10TB relational/time-series/OLAP databases. Strong data streaming experience (Kafka preferred; alternatives such as Azure Service Bus, RabbitMQ, Kinesis, or Pulsar considered). Deep … understanding of multithreading and concurrency in .NET — particularly SPANs and Channels. Strong relational database experience (Postgres preferred; SQL Server, Oracle, MySQL/MariaDB considered). Experience working in industries that handle significant data peaks or throughput spikes. Strong monitoring and observability experience (Grafana preferred; Datadog, Dynatrace ...

across large microservice architectures. Proficiency in test-driven development (e.g., JUnit, Mockito) and building robust, well-tested applications. Skilled in containerisation with Docker and relational databases such as Postgres (Liquibase exposure beneficial). Experienced with CI/CD pipelines and modern DevOps practices (e.g., Jenkins or similar tooling). ...

probability, statistics and matrix operations. Ability to produce reports, dashboards and visualisations to explain model behaviour and analytical findings. Working knowledge of SQL and relational databases. Desirable: Exposure to Data Engineering or machine-learning-focused development. Experience developing within the .NET ecosystem (ideally .NET 5+). Familiarity with Python ...

side Java, including: Concurrency Collections API Event-driven architecture Caching (GridGain desirable) Strong experience with messaging systems (Solace or Tibco RV) SQL experience with relational databases (SQL Server, Sybase, or Oracle) Background in capital markets, particularly front-office trading environments Low-latency system design exposure Linux/Unix & shell ...

longer-term modernisation of the architecture. Non-Negotiables: Strong software engineering experience (C# preferred but Java, or C++ considered) Strong SQL/relational database experience Careful approach to testing and safe refactoring Clear, concise technical and verbal communication Have previously worked for a Financial Service organisation ...

Responsibilities Design, develop, and maintain microservices and RESTful APIs (Node.js + AWS Lambda) Write and manage infrastructure-as-code Handle data and queries using relational databases (e.g., PostgreSQL) Collaborate in designing and developing the user interface using React Integrate and monitor AWS services (API Gateway, S3, CloudWatch, RDS, CloudFront ...

customers with accessible credit products and has an excellent reputation in the market. They’re looking for an experienced Data Engineer to join their database team and take ownership of production-critical systems across AWS. 🔧 The Role You’ll design, modernise and optimise scalable database solutions, with … Server migrations to AWS Performance tuning, monitoring & optimisation You’ll work closely with cloud, engineering and application teams, playing a key role in shaping database standards and architecture across the business. ✅ What They’re Looking For 5+ years’ experience in relational database design & support Strong ...

exclusion filters, and retention optimisation. Implement storage-tiering strategies based on access patterns and enforce lifecycle rules to minimise cold data retention costs. Improve relational database performance through index tuning, connection optimisation, and instance right-sizing. Enhance horizontally scalable database performance via autoscaling policies, index improvements ...

everything here, but experience with some of the following is expected: Apache Airflow (core focus) Python SQL Apache Spark or Kafka PostgreSQL or similar relational databases Docker or containerised environments Git and CI/CD workflows Data modelling and data warehousing concepts What They’re Looking For Experience building ...

client-facing digital platforms and dashboards Modernise systems into cloud-native, API-first architectures Key skills Cloud engineering (Azure, Kubernetes, serverless, DevOps) Python and relational databases (SQL) Data platforms, ETL/ELT, and analytics AI tools and LLM integrations (e.g. GPT, Claude, Gemini) Security, governance, and regulated environment experience ...

client-facing digital platforms and dashboards Modernise systems into cloud-native, API-first architectures Key skills Cloud engineering (Azure, Kubernetes, serverless, DevOps) Python and relational databases (SQL) Data platforms, ETL/ELT, and analytics AI tools and LLM integrations (e.g. GPT, Claude, Gemini) Security, governance, and regulated environment experience ...

pandas, polars, and NumPy. Experience building REST services using frameworks such as FastAPI and/or Flask. Strong SQL skills and experience working with relational databases in production environments. Hands-on experience with containerized deployments and modern infrastructure tooling (Docker, Kubernetes) and familiarity with cloud platforms. Understanding of modern ...

focus will be around Azure/MS environments. Key Skills: Must-have: Strong experience working with Azure-based and MS environments SQL and relational database management Python for data analysis (e.g. Pandas, NumPy, Matplotlib) Data visualisation using Power BI or Tableau ideal Familiarity with Agile delivery methodologies Microsoft ...

working knowledge of CI/CD, IaC, containerisation technologies You have experience of working with messaging/streaming platforms (e.g. Kafka, RabbitMQ) and designing relational databases (e.g., MySQL, PostgreSQL) You're proficient with cloud-based systems (preferably AWS) You're collaborative and pragmatic with great communication skills What ...

projects Technical Skills & Experience Advanced Power BI development experience (Desktop & Service) Strong knowledge of DAX and Power Query (M language) Proficiency in SQL and relational databases Experience working with construction, rail, or civil engineering datasets Understanding of: Project controls processes Earned Value Management principles Programme performance metrics Commercial reporting ...

storytelling techniques that help users quickly interpret and act on insights. Solid working knowledge of data integration and modelling, including writing SQL, working with relational databases, and connecting to data sources such as Databricks, data lakes, JSON files, and API-driven services. Experience working confidently across multiple, complex datasets ...

modelling Hands-on experience with enterprise data modelling tools (e.g. ERwin, ER/Studio, PowerDesigner, or similar) Advanced SQL skills and strong understanding of relational database design (e.g. Oracle, SQL Server, PostgreSQL) Experience designing and optimising data models for: Data warehouses (Kimball/Inmon methodologies) Data marts Operational ...

translate business questions into structured data models Experience defining KPIs and operational metrics Strong documentation and data governance mindset ERP or operational systems Complex relational databases Data warehouses or structured analytics environments Experience with Microsoft Fabric would be beneficial but is not essential. ...

Requirements Strong commercial experience with C# and .NET Framework Deep understanding of backend development principles and architecture Strong experience working with SQL and relational databases Proven experience in a Lead or Senior Developer position Experience building scalable, high-performance applications Strong understanding of software design patterns and best practices ...

translate business requirements into technical specifications. Strong analytical and problem-solving skills. Excellent communication skills, both written and verbal. Hands-on experience with Oracle relational databases, XML parsing, and Unix commands. Experience with structured development methodologies. ...

immutability, monads, cats/Scalaz familiarity advantageous). Experience designing and consuming REST APIs, JSON validation/serialization (Play JSON, Circe). Experience with relational databases (PostgreSQL) and/or NoSQL (MongoDB), including schema design and query optimisation. Proven experience writing unit and integration tests (ScalaTest, Specs2, Mockito, etc. ...