151 to 175 of 832 Performance Tuning Jobs

Senior Data Engineer

Location
Epsom, England, United Kingdom
Factory, dbt) and database platforms (e.g. MS SQL Server, Snowflake, Azure SQL Database), including developing integration solutions using APIs, files and databases. Experience with performance tuning, data migration strategies (on premise and cloud) and relational database design, particularly in support of business intelligence. Experience setting and upholding engineering ...

Backend Developer

Location
Oxford, England, United Kingdom
platforms, including C#, .NET, SQL Server, and Azure. Experience designing and developing RESTful APIs, microservices, and distributed systems. Strong knowledge of database design, optimisation, performance tuning, and data modelling. Solid understanding of cloud technologies, secure API design, application security, networking concepts, authentication, authorisation, and API-based architectures. Experience ...

Lead Software Engineer - Python, Databricks, AWS

Location
Auchentibber, Scotland, United Kingdom
data management, ETL/ELT pipeline development, and large-scale data processing. Proficiency in SQL, Python, and PySpark, with experience in query optimization and performance tuning. Hands-on experience with data lake platforms (Databricks, Apache Spark, or similar). Experience with AWS cloud services (S3, ECS, SNS/ ...

Lead Software Engineer - Python, Databricks, AWS

Location
Glasgow, Scotland, United Kingdom
data management, ETL/ELT pipeline development, and large-scale data processing. Proficiency in SQL, Python, and PySpark, with experience in query optimization and performance tuning. Hands-on experience with data lake platforms (Databricks, Apache Spark, or similar). Experience with AWS cloud services (S3, ECS, SNS/ ...

Senior Oracle APEX & Database Administrator

Hiring Organisation
Stantec
Location
London, United Kingdom
Salary
Confidential
Database Administrator to support and enhance enterprise database platforms and Oracle APEX application environments. This role will be responsible for the design, administration, performance optimization, and lifecycle management of Oracle databases and APEX/ORDS platforms supporting critical business applications.The successful candidate will work closely with DBA, middleware … application teams to ensure high availability, performance, and security of systems across development, QA, and production environments.Key ResponsibilitiesOracle Database AdministrationManage and maintain Oracle databases (19c and newer) across multiple environmentsPerform database installations, upgrades, patching, and migrationsImplement backup/recovery strategies and disaster recovery solutionsMonitor database performance and tune ...

DevOps Engineer, Blockchain Infra (Fully Remote)

Hiring Organisation
Binance
Location
London, United Kingdom
Salary
£ 70 K
networking, and secrets management.Experience with service mesh technologies such as Istio or Linkerd.Familiarity with message queues, distributed caching, and high-throughput systems.Experience with performance tuning and capacity planning for large-scale distributed systems.Nice to HaveExperience in cryptocurrency exchanges or blockchain infrastructure providers.Experience operating multi-region, multi-cloud production … environments.Knowledge of RPC infrastructure, distributed databases, or high-performance networking.Familiarity with security and compliance best practices (IAM, WAF, Vault, KMS, etc.).Experience contributing to open-source projectsWhy Binance• Shape the future with the world’s leading blockchain ecosystem• Collaborate with world-class talent in a user-centric global organization ...

Senior Data Architect

Hiring Organisation
Euro Car Parks
Location
Central London, London, United Kingdom
Employment Type
Permanent
Salary
£90,000
hands-on Senior Data Architect who is equally comfortable designing the target state for a multi-system SQL data estate, writing and tuning the T-SQL that delivers it, and standing up the security, monitoring and operational practices that keep it running. You will own data architecture across … framework and PowerShell development at expert level partition design and partition-aligned indexing, clustered/nonclustered index strategy, deduplication, parallel-run cutovers, schema migration, performance tuning of high-impact production queries. Driving the in-flight ETL replatform replacing legacy SSIS jobs with a table-driven, parallel ...

Senior Data Architect

Hiring Organisation
Euro Car Parks
Location
Islington, Norfolk, UK
hands-on Senior Data Architect who is equally comfortable designing the target state for a multi-system SQL data estate, writing and tuning the T-SQL that delivers it, and standing up the security, monitoring and operational practices that keep it running. You will own data architecture across … framework and PowerShell development at expert level — partition design and partition-aligned indexing, clustered/nonclustered index strategy, deduplication, parallel-run cutovers, schema migration, performance tuning of high-impact production queries. · Driving the in-flight ETL replatform — replacing legacy SSIS jobs with a table-driven, parallel ...

Java Developer

Location
Swansea, Wales, United Kingdom
looking for an experienced Java Developer with strong expertise in Java and Spring Boot to design and build scalable, secure, and high-performance backend systems. The ideal candidate should have experience working on large-scale digital platforms, including exposure to public sector or standards-driven environments such … microservices architectures Collaborate with cross-functional teams including frontend, DevOps, and product stakeholders Write clean, maintainable, and testable code following best practices Ensure application performance, scalability, and security Contribute to system design and architecture decisions Implement CI/CD pipelines and participate in deployment processes Conduct code reviews ...

Senior Data Analyst

Location
Greater London, England, United Kingdom
stack (Data Factory, Synapse/Fabric, SQL‐based semantic layers). Advanced Power BI: data modelling (star schemas), advanced DAX, Power Query/M, performance tuning, RLS, and deployment via pipelines. Understanding of Power BI engineering discipline: PBIP/TMDL source format, Git‐based version control, pull‐request … experience of these practices in a team. Proven ability to carry out peer review and QA of analytics work – spotting model errors, DAX issues, performance problems and UX weaknesses, and giving constructive feedback. Excellent written and verbal communication skills, including presenting to underwriting and internal stakeholders. Strong stakeholder engagement ...

Lead Java Developer

Location
Swansea, Wales, United Kingdom
Overview We are seeking an experienced and technically strong Lead Java Developer to lead the design, development, and delivery of scalable, secure, and high-performance enterprise applications. The ideal candidate will have extensive hands-on experience with Java and Spring Boot , strong expertise in microservices and cloud-native architectures … APIs and microservices-based solutions . Develop and integrate distributed services using APIs, messaging platforms, and event-driven architectures. Ensure applications meet required security, performance, reliability, and maintainability standards. Troubleshoot complex technical issues and provide effective solutions across development and production environments. Remain hands-on with development while providing ...

Senior Database Specialist

Location
Skipton, England, United Kingdom
future direction of our database and data platform capabilities, ensuring they meet the evolving needs of the organisation while maintaining high standards of governance, performance and operational resilience. At Skipton, we're founded on fairness. We exist to do right by our members - and we believe that starts with … current and future business needs. Leading improvements in database automation, infrastructure as code, deployment pipelines and operational tooling. Driving platform reliability through proactive monitoring, performance optimisation, capacity management and resilience testing. Investigating and resolving complex database incidents, conducting root cause analysis and implementing preventative measures. Establishing and maintaining database ...

Senior Database Specialist

Location
Skipton, England, United Kingdom
future direction of our database and data platform capabilities, ensuring they meet the evolving needs of the organisation while maintaining high standards of governance, performance and operational resilience.At Skipton, we're founded on fairness. We exist to do right by our members - and we believe that starts with doing … support current and future business needs.Leading improvements in database automation, infrastructure as code, deployment pipelines and operational tooling.Driving platform reliability through proactive monitoring, performance optimisation, capacity management and resilience testing.Investigating and resolving complex database incidents, conducting root cause analysis and implementing preventative measures.Establishing and maintaining database governance, security controls ...

DBA

Location
Greater London, England, United Kingdom
looking for an experienced Senior Database Administrator with extensive Microsoft SQL Server experience and strong knowledge of Azure, database performance, security, automation and DevOps . You will lead the ongoing management, optimisation and modernisation of the database estate, supporting migration, upgrades, resilience and technical debt reduction while working closely … support the Microsoft SQL Server estate and related Azure data services. Lead database upgrades, migrations, optimisation and decommissioning activity. Monitor, tune and improve database performance, availability, capacity and resilience . Troubleshoot integrity, performance, blocking, deadlocking, replication, connectivity and security issues. Manage backup, restore, patching, maintenance and disaster recovery ...

Senior Software Engineer - Backend

Hiring Organisation
Fitch Ratings
Location
London, UK
Employment Type
Full-time
collaborate closely with stakeholders including Ratings, Business, and Operation teams to deliver scalable data infrastructure, APIs, and services with a focus on reliability, performance, data integrity, and innovation—including the integration of AI/ML capabilities to enhance data solutions and developer productivityHow You'll Make an Impact: Lead … high-quality software delivery through automated testing, code reviews, observability, and engineering governance. Lead resolution of complex technical and operational challenges while improving platform performance, resiliency, and operational excellence. Champion DevSecOps, CI/CD, and automation practices to accelerate delivery and improve engineering efficiency. Evaluate and adopt emerging technologies ...

Data Architect

Location
Greater London, England, United Kingdom
access controls, row‐level security, dynamic data masking, and PII governance in line with regulatory requirements (GDPR, BCBS 239) Champion Snowflake best practices for performance tuning, clustering keys, materialised views, and query optimisation Evaluate Snowflake‐native capabilities (Snowpark, Cortex AI, Dynamic Tables) and recommend adoption where they accelerate … Formation, IAM, VPC Data Governance Data lineage, cataloguing (Apache Atlas/Collibra/Snowflake Horizon), GDPR, BCBS 239, MDM AI/ML Data Query & Performance SQL optimisation, clustering keys, partitioning, query profiling, cost‐based tuning Data Landscape The Data Architect will work across the following technology landscape. Candidates ...

Site Reliability Engineer (SRE) - Phoenix, AZ

Hiring Organisation
Ellofant
Location
Phoenix, Arizona, United States
Employment Type
Any
Salary
USD Annual
seeking an experienced Site Reliability Engineer to join our infrastructure resiliency team. In this role, you'll be responsible for ensuring the stability, performance, and reliability of critical systems across diverse technology stacks including mainframe, Windows, and cloud environments (OpenShift, AWS, Azure). You'll work at the intersection … Datadog 7. Create robust dashboards and implement SLAs/SLOs through comprehensive monitoring 8. Analyze metrics from operating systems and applications to assist in performance tuning and fault detection 9. Develop and implement chaos engineering practices using Litmus, Gremlin, Azure Chaos Studio, and Chaos Mesh 10. Design fault ...

Senior Data Engineer

Location
Reading, England, United Kingdom
translate requirements into scalable technical solutions and reusable datasets that deliver measurable business value. Continuous Improvement & Strategic Contribution: Identify opportunities to improve platform performance, scalability and cost efficiency, while contributing to engineering standards, roadmap initiatives and the long-term growth of Primark's Data & Analytics capabilities. What … Engineering Best Practices: Experience withdbtCloud ordbtCore, including model development, testing, documentation, lineage, deployment workflows, CI/CD and version control practices. Data Quality, Performance &Optimisation: Strong understanding of data quality, observability, operational monitoring and performance tuning, with a focus on delivering reliable, scalable and cost-efficient data ...

Senior Data Engineer

Location
City of Westminster, England, United Kingdom
translate requirements into scalable technical solutions and reusable datasets that deliver measurable business value. Continuous Improvement & Strategic Contribution: Identify opportunities to improve platform performance, scalability and cost efficiency, while contributing to engineering standards, roadmap initiatives and the long-term growth of Primark's Data & Analytics capabilities. What … Engineering Best Practices: Experience withdbtCloud ordbtCore, including model development, testing, documentation, lineage, deployment workflows, CI/CD and version control practices. Data Quality, Performance &Optimisation: Strong understanding of data quality, observability, operational monitoring and performance tuning, with a focus on delivering reliable, scalable and cost-efficient data ...

Senior Database Performance Engineer - SQL Server on Azure

Location
Greater London, England, United Kingdom
Capital on Tap is seeking a Database Performance Engineer to own performance and scale of our SQL Server estate on Azure. You will join a small, senior, hands‐on team of DBAs and SREs to optimize latency, cost and reliability. You'll own performance tuning ...

Senior Technology Architect Snowflake

Hiring Organisation
Infosys Technologies
Location
London, United Kingdom
Salary
£ 70 K
architecture reviews, technology evaluations, and platform transformation initiatives.Establish governance, security, resilience, scalability, and cost-optimization frameworks.Lead Snowflake architecture covering security, governance, RBAC, data sharing, performance optimization, and multi-environment strategy.Define enterprise data platform standards and operational best practices.Guide warehouse sizing, workload management, performance tuning, and cost optimization.Design ...

Software Engineer III - DevOps & AWS

Location
Glasgow, Scotland, United Kingdom
build solutions and break down complex technical problems. Develop secure, high-quality production code; review and debug code written by others to ensure reliability, performance, and maintainability. Drive team adoption of enterprise-authorized AI-assisted engineering practices to improve code quality, delivery speed, and operational outcomes (e.g., AI-assisted … Aurora) and MongoDB; ability to write automation/operations scripts in Python and Bash. Databricks experience including Spark, Delta, notebooks, workflows/jobs, and performance tuning; familiarity with GraphQL. Provide technical support during software development, including debugging environment-specific issues and partnering with development teams to resolve them. ...

Senior Technology Architect Snowflake

Hiring Organisation
Infosys Technologies
Location
London, UK
Employment Type
Full-time
technology evaluations, and platform transformation initiatives. Establish governance, security, resilience, scalability, and cost-optimization frameworks. Lead Snowflake architecture covering security, governance, RBAC, data sharing, performance optimization, and multi-environment strategy. Define enterprise data platform standards and operational best practices. Guide warehouse sizing, workload management, performance tuning ...

Senior (Azure) Platform Engineer (LON)

Location
Greater London, England, United Kingdom
Ansible , along with strong communication and stakeholder skills Experience with cloud database technologies such as MongoDB, Cosmos DB, SQL PaaS services including optimisation, performance tuning and high availability Strong networking knowledge across VNet design, firewalls, routing, private endpoints, WAFs and network security groups Understanding of compliance and regulatory ...

Data Engineer

Location
West of England, England, United Kingdom
Azure Databricks Azure Synapse Analytics Azure Data Lake Storage (ADLS) Azure SQL Database and SQL Server Microsoft Fabric (preferred) Advanced SQL development and performance tuning skills Experience with Python, PySpark, or Scala for data processing Knowledge of data warehousing concepts and dimensional modelling Experience with CI/ ...