1 to 25 of 33 OLTP Jobs in the UK

Senior Software Engineering

Hiring Organisation
Adecco
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£600 - £650/day Inside IR35
standards, design patterns, and development best practices. Database & Data Engineering Strong experience with SQL Server, PostgreSQL, and enterprise database platforms. Expertise in: Data modelling (OLTP, OLAP, dimensional models) Query optimization and performance tuning Database scalability and resilience Data governance and quality management Experience delivering large-scale ETL/ELT solutions ...

Senior Python Developer

Hiring Organisation
King Games
Location
London, United Kingdom
Salary
£ 80 K
scalable and reliable applications that support forecasting, analytics, and decision-making processes across the businessDevelop distributed processing pipelines and asynchronous workloadsDesign and optimize relational OLTP databases, data models, and query performanceBuild and maintain data processing, analytical, and forecasting workflowsDesign, develop, and maintain internal web applications when requiredBuild intuitive interfaces ...

Senior Lead Architect-Securities Services

Hiring Organisation
Hackajob Ltd
Location
Glasgow, Lanarkshire, Scotland, United Kingdom
Employment Type
Permanent
tools such as ERwin, Power Designer, or MagicDraw. Knowledge of data architecture options including ODS, Data Lake, Data Catalog (DCAT), Data Warehousing, OLTP, and OLAP, and the treatment of data as a technology asset. Knowledge of core Solution Architecture capabilities: Master and Reference Data Management, Data Quality, Metadata Management, Data ...

Lead Data Engineer

Hiring Organisation
Easyjet
Location
London, United Kingdom
Salary
£ 80 K
such as CI/CD and TDDExperience with big data frameworks such as Apache Spark or similar technologiesSolid understanding of data modelling, data warehousing, OLTP and data lake architecturesExperience working with cloud ecosystems such as AWS, Azure or GCPFamiliarity with tools such as Kafka, Airflow, Hive, Delta, or similar technologiesStrong ...

Lead Architect - Securities Services

Hiring Organisation
JP Morgan Chase
Location
Glasgow, Lanarkshire, United Kingdom
Salary
£ 80 K
tools such as ERwin, Power Designer, or MagicDraw.Knowledge of data architecture options including ODS, Data Lake, Data Catalog (DCAT), Data Warehousing, OLTP, and OLAP, and the treatment of data as a technology asset.Knowledge of core Solution Architecture capabilities: Master and Reference Data Management, Data Quality, Metadata Management, Data Taxonomy, Data ...

Credit Principal Algo Data Lead

Hiring Organisation
UBS
Location
London, United Kingdom
Salary
£ 80 K
analytical query execution using DuckDB or Apache Spark.• Production-grade relational database expertise, particularly PostgreSQL (query tuning, indexing, partitioning, replication, and schema design across OLTP and analytics).• Strong KDB experience, covering key concepts such as tp/ctp/rdb/hdb and differences between real-time vs historical ...

Principal Data Engineer

Hiring Organisation
DASSAULT SYSTÈMES
Location
London, United Kingdom
Salary
£ 80 K
alongside proven years of dedicated professional experience in enterprise data engineering and architecture.Data Warehousing & Data Lake Mastery: Expert-level mastery of SQL (OLAP/OLTP) and enterprise cloud data platforms (specifically Snowflake), combined with practical experience architecting open data lake structures using Apache Iceberg.Software Engineering & Streaming: Demonstrated expertise building production ...

Data Engineer

Location
Newcastle upon Tyne, England, United Kingdom
Strong proficiency in T-SQL and experience developing complex queries and procedures. Expertise in Spark and PySpark for scalable data processing. Solid understanding of OLTP and OLAP architectures and data modelling principles. Experience with Microsoft Azure, including Fabric, Azure Data Factory, Data Lake, Data Warehouse, and Blob Storage. Sound knowledge ...

Senior Consultant, AI&Data, Insurance, FS

Hiring Organisation
EY (Ernst & Young)
Location
London, United Kingdom
Salary
£ 80 K
with cloud data platforms (Azure Synapse, Snowflake, GCP BigQuery) and modern data storage solutions.Strong SQL skills and good knowledge of data warehousing, lakehouses, and OLTP/OLAP systems.Demonstratable interest and awareness in emerging technologiesWhat we look forWe are looking for highly motivated individuals who are passionate about Data and Analytics ...

Senior Consultant, AI&Data, Insurance, FS

Location
Greater London, England, United Kingdom
cloud data platforms (Azure Synapse, Snowflake, GCP BigQuery) and modern data storage solutions. Strong SQL skills and good knowledge of data warehousing, lakehouses, and OLTP/OLAP systems. Demonstratable interest and awareness in emerging technologies What we look for We are looking for highly motivated individuals who are passionate about ...

Senior Software Engineer, Distributed Databases (Vitess/MySQL/MyRocks)

Hiring Organisation
Bloomberg
Location
London, United Kingdom
Salary
£ 70 K
time histories, and derived analytics—every record must be correct, durable, globally available, and served with low latency. Our team builds Bloomberg’s distributed OLTP storage platform. We operate petabytes of critical financial data across more than 10,000 MySQL shards, using InnoDB and MyRocks as storage engines and Vitess ...

Senior Architect, Europe

Location
City Of London, England, United Kingdom
Design (DB2/400, MS SQL Server). Document, Imaging, and Web Content Management (FileNet). Business Intelligence, Data Warehouse, and ETL. Transaction Design (OLTP, Batch). Component Based Design. Application Integration. Performance Engineering. Demonstrates analytical and diagnostic skills dealing with issues that are often novel and not readily defined ...

Data Platform Analyst (Technical BA / Data Product) – Tier 1 Global Hedge Fund – London – Excellent Comp + Benefits

Location
Greater London, England, United Kingdom
data across asset classes , including vendor integration and financial identifier mapping (ISIN, CUSIP, etc.) Strong understanding of data pipelines, data quality/reconciliation, and OLTP vs OLAP paradigms Technical background, with hands-on programming experience (Python, Java or similar) and prior experience in engineering or development roles Proven track record ...

Solution Engineer

Location
Greater London, England, United Kingdom
country where this role is located Preferred Qualifications Previous experience with CPM, EPM, BI, DWH solutions Deep understanding of Relational (RDBMS/OLTP) and Multi-Dimensional Databases (OLAP) Practical experience with SQL, MDX, and Extract-Transform-Load (ETL) processes Broad understanding of Enterprise and Software-as-a-Service (SaaS) architectures ...

Senior Architect, Europe

Hiring Organisation
The Travelers Indemnity Company
Location
London, United Kingdom
Salary
£ 80 K
Datapower).Relational Database Design (DB2/400, MS SQL Server).Document, Imaging, and Web Content Management (FileNet).Business Intelligence, Data Warehouse, and ETL.Transaction Design (OLTP, Batch).Component Based Design.Application Integration.Performance Engineering.Demonstrates analytical and diagnostic skills dealing with issues that are often novel and not readily defined, lack known precedent ...

Lead Data Engineer

Location
Glasgow, Scotland, United Kingdom
on. You know your tools Deep, hands-on SQL Server experience — T-SQL, SSMS, execution plans, and diagnosing performance orintegrity issues in large OLTP schemas. Comfortable with AWS RDS for SQL Server, including monitoring, performance insights, and operationalmanagement. Solid scripting ability (Python and/or PowerShell) for building the discovery ...

Lead Data Engineer

Location
Glasgow, Scotland, United Kingdom
on. You know your tools Deep, hands‐on SQL Server experience — T‐SQL, SSMS, execution plans, and diagnosing performance or integrity issues in large OLTP schemas. Comfortable with AWS RDS for SQL Server, including monitoring, performance insights, and operational management. Solid scripting ability (Python and/or PowerShell) for building ...

Senior Data Architect & AI Strategy Lead (Remote)

Location
United Kingdom
This position plays a crucial role in leveraging data as a competitive advantage by defining architecture that spans transactional and analytical systems, ensuring scalable OLTP foundations. The ideal candidate will champion an AI-first approach in product development, collaborating closely with various teams to drive strategic business objectives while mentoring ...

Senior Software Engineer - Connex

Hiring Organisation
MasterCard
Location
Harrogate, North Yorkshire, United Kingdom
Salary
£ 70 K
industry hardware such as ATM’s, HSM’s HP Nonstop and related standards and security requirements including PCI and OWASP.• Excellent understanding of online transaction processing, including knowledge of ATM transaction processing.• Experience of TCP/IP and communication protocols.• Strong knowledge of TAL, COBOL, SCOBOL and TACL• Understanding ...

Application Support Engineer Fintech

Hiring Organisation
Quant Capital
Location
London, United Kingdom
Salary
£ 70 K
degree or higher in Computer Science or a related discipline. 3 years commercial experience min. Working knowledge of scripting and querying in RDBMS OLTP or OLAP data stores such as SQL Server. Basic Windows Server administration and troubleshooting Crystal reports or other reporting solutions One or more programming languages preferred ...

Db2 for z/OS Specialist

Location
Sheffield, England, United Kingdom
tooling. Support distributed Db2 connections and operate confidently in a data shared environment. Monitor, tune and protect performance for a high-volume OLTP (CICS)/Db2 workload. Improve reliability and recoverability by designing and implementing automation and engineering solutions. Lead capacity planning and ensure storage and archiving procedures are robust ...

Internal Audit - Data Engineering - Associate - Birmingham

Location
Birmingham, England, United Kingdom
PySpark, selecting fit-for-purpose approaches based on scale, performance and operational needs. Write advanced SQL for data transformation, reconciliation, profiling and analysis across OLTP and analytical data platforms. Design data models for operational and analytical use cases, including dimensional modelling, slowly changing dimensions, lakehouse and data-lake patterns. Work … Hands‐on proficiency in Python, including Pandas, Polars and PySpark, with experience writing testable and maintainable code. Strong SQL proficiency and practical understanding of OLTP databases, relational design and query performance. Strong understanding of data modelling, data warehousing, dimensional modelling and slowly changing dimensions. Experience designing and implementing ETL/ ...

Internal Audit - Data Engineering - Associate - Birmingham

Location
Birmingham, England, United Kingdom
PySpark, selecting fit-for-purpose approaches based on scale, performance and operational needs. Write advanced SQL for data transformation, reconciliation, profiling and analysis across OLTP and analytical data platforms. Design data models for operational and analytical use cases, including dimensional modelling, slowly changing dimensions, lakehouse and data-lake patterns. Work … Hands‐on proficiency in Python, including Pandas, Polars and PySpark, with experience writing testable and maintainable code. Strong SQL proficiency and practical understanding of OLTP databases, relational design and query performance. Strong understanding of data modelling, data warehousing, dimensional modelling and slowly changing dimensions. Experience designing and implementing ETL/ ...

Sr. Database Architect

Hiring Organisation
Mitek Systems
Location
United Kingdom
Salary
£ 70 K
improvement, and establish database engineering best practices across our products.A primary responsibility of this role is to optimize and maintain our high-volume OLTP databases, with a strong emphasis on PostgreSQL. You will assess existing environments, identify performance and scalability bottlenecks, and drive improvements across schema design, indexing, partitioning, query … related field5+ years of experience as a Database Engineer, Data Engineer, or similar roleCore Data Engineering & ArchitectureExperience designing, implementing, and maintaining high performant, scalable OLTP systems.Hands-on experience and advanced knowledge of SQL (e.g., Postgres, Snowflake)Strong experience with data modeling, data warehouses, and lakehouse architecturesExperience designing and implementing scalable ...

Forward Deployed AI Engineer

Location
Birmingham, England, United Kingdom
gravity9 is a boutique IT consulting company headquartered in the UK with offices in the US, Canada, Poland, and Colombia. Our team has deep experience in engineering, experience design and product management. We enjoy a ...