8 of 8 Permanent Performance Tuning Jobs in Central London

Lead Data Engineer

Location
Westminster, West End, United Kingdom
Design scalable, reusable data processing and data quality frameworks using Python, PySpark, and dbt Build and optimize batch and streaming data pipelines with strong performance, fault tolerance, and observability Develop and operate workflow orchestration (e.g., Apache Airflow) to schedule, monitor, and manage data movement and transformations Model and transform … data for analytics using SQL and dbt to support business intelligence and reporting workloads Write production-grade Python/PySpark code with disciplined testing, performance tuning, and maintainable object-oriented design Implement infrastructure-as-code (e.g., Terraform) to provision and manage cloud-based data platform components Containerize ...

Platform Engineering Specialist - Database Infrastructure

Hiring Organisation
TurleyWay Limited
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
passionate about building and operating highly scalable database platforms? Have you administered and optimised mission-critical PostgreSQL environments in cloud-first organisations, ensuring performance, availability and resilience at scale? Can you demonstrate broad technical knowledge across Platform Engineering, DevOps and Infrastructure, alongside experience with automation and scripting using Python … technology landscape. This is an opportunity to become a technical authority for database infrastructure, helping shape the future of the database platform whilst improving performance, resilience, scalability and operational efficiency. A selection of your key responsibilities will include administering and optimising large-scale PostgreSQL environments, managing connection pooling ...

Electronic Trading Network & Systems Engineer

Hiring Organisation
James Joseph Associates Limited
Location
City of London, London, United Kingdom
Employment Type
Permanent
side electronic trading business. Additional headcount has been approved for a Senior Low Latency Network & Systems Engineer to help develop and optimise its high-performance trading infrastructure. This is an opportunity to work on technically demanding infrastructure where network performance, system efficiency and execution speed are critical … trading performance. You will take ownership of engineering and optimising ultra-low-latency infrastructure spanning Linux servers, high-performance networks, physical colocation environments, and AWS cloud infrastructure. The role offers significant technical ownership, with the opportunity to influence infrastructure architecture, introduce new technologies and deliver measurable improvements in trading ...

Senior Data Plaform Engineer

Hiring Organisation
Aker Systems Limited
Location
Central London, London, United Kingdom
Employment Type
Permanent
professionals who recognised an opportunity to provide highly secure enterprise data platforms to large organisations. We build and operate ground-breaking, ultra-secure, high performance, cloud-based data infrastructure for the enterprise. Our proprietary technology solutions drive performance and reduce costs while helping our clients to improve … workloads. Use Infrastructure as Code to create repeatable and maintainable environments. Support Docker and Kubernetes-based platform environments. Monitor platform services and investigate failures, performance issues and operational problems. Participate in incident investigation and root cause analysis . Support platform performance, scalability, resilience and availability improvements. Contribute ...

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 OutSystems Developer

Location
Westminster, West End, United Kingdom
development team, including code reviews, mentoring, and coaching. Collaborate with stakeholders to ensure designs meet business requirements and align with architectural standards. Manage team performance, assign work packages, and optimize productivity. Conduct root cause analysis, performance tuning, and diagnostic examinations to address system or software failures. Plan … providing our employees with a comprehensive benefits package that prioritises their wellbeing, professional growth, and financial stability. Share in our success with our Quarterly Performance-Related Profit Share Scheme, where employees collectively benefit from a share of our company's profits Strong Career Progression & mentorship coaching through our Strength ...

Senior Data Modeller

Hiring Organisation
EXL Service
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
business intelligence initiatives. You will translate complex business requirements into scalable, high-quality data solutions, ensuring data is structured, governed and optimised for performance across the organisation. You will be responsible for developing conceptual, logical and physical data models, defining source-to-target mappings, and supporting the implementation … will ensure data architecture aligns with enterprise standards, governance frameworks and best practices. You will also drive improvements to existing data architecture, optimise data performance, and contribute to the definition of data modelling standards, automation and testing strategies. Success in this role requires strong technical expertise, excellent stakeholder management ...

RPG Developer

Hiring Organisation
Morson Edge
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£90,000
will write clean, maintainable and testable code in line with established development standards, troubleshoot complex issues, investigate application behaviour and identify opportunities to improve performance and reliability. You will also contribute to technical documentation, user guides, training materials and stakeholder demonstrations, ensuring solutions are clearly understood and successfully adopted. … Developer, with a thorough understanding of both fixed-format and free-format RPG, alongside strong SQL skills, including writing, embedding and optimising queries for performance and maintainability. Experience with modern RPG development techniques, including modules, service programs and activation groups, as well as application design and established software engineering ...