26 to 50 of 259 Performance Tuning Jobs

Senior Data Engineer

Hiring Organisation
Winsearch
Location
Gloucestershire, United Kingdom
Employment Type
Contract
Contract Rate
GBP 68 Hourly
highly secure engineering and technology programme seeking an experienced Senior Data Engineer to support the design, development and delivery of secure, scalable and high-performance data solutions within a regulated environment. This role will focus heavily on the Elastic Stack and Apache NiFi, supporting enterprise-scale data ingestion, transformation … pipelines - Ensure high standards of data quality, integrity and traceability across all systems Elastic Stack & Platform Management - Configure, optimise and maintain Elasticsearch clusters for performance and resilience - Develop and maintain Logstash pipelines for efficient data processing - Create dashboards and visualisations within Kibana to support operational and strategic reporting - Monitor ...

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 ...

DBA

Hiring Organisation
UA Consulting
Location
City of London, London, United Kingdom
Employment Type
Contract
Terraform, Ansible and on prem. Data Pipelines: Kafka, CDC (Change Data Capture) tools like Debezium. Technical Requirements Essential Expert-level knowledge of **PostgreSQL** (Performance tuning, vacuuming, indexing). Hands-on experience with **ClickHouse** (managing clusters, MergeTree engines, and tuning for high-concurrency). Proficiency in **Snowflake** administration ...

Database Administrator

Hiring Organisation
Amelco Limited
Location
London Area, United Kingdom
Python, Bash and/or Ansible to automate routine maintenance tasks, deployments and monitoring services. Technical Requirements & Experience Essential - Expert-level knowledge of **PostgreSQL** (Performance tuning, vacuuming, indexing). - Hands-on experience with **ClickHouse** (managing clusters, MergeTree engines, and tuning for high-concurrency). - Proficiency in **Snowflake ...

Oracle Database Administrator

Hiring Organisation
Talent Locker
Location
Reading, Berkshire, South East, United Kingdom
Employment Type
Contract
Contract Rate
£450 - £650 per day
environments. Key Responsibilities Install, configure, patch, upgrade, and maintain Oracle Database environments Manage backup and recovery using RMAN, including disaster recovery processes Monitor database performance and deliver tuning and optimisation activities Administer users, roles, privileges, auditing, and database security controls Support high availability solutions including Oracle …/SQL Solid experience with Linux/Unix operating systems Hands-on experience with Oracle RAC and ASM Strong background in performance tuning and optimisation Experience with database security hardening and auditing Exposure to scripting/automation (e.g. Shell, Bash, Python) Desirable Experience Supporting large-scale, high availability ...

Senior Software Developer

Hiring Organisation
E.surv Limited
Location
Kettering, Northamptonshire, East Midlands, United Kingdom
Employment Type
Permanent
other relational database management systems, maintenance plans, database user and security audit with a proven track record on how to achieve maximum database performance by analysing execution plans, indexes, query performance tuning and other SQL best practices. Proven and demonstrable experience in web programming using the Django … management systems including SQL. Expertise in provision, implementation, maintenance and evolution of the e.surv data warehouse, databases and associated technology whilst also ensuring maximum performance from systems. Good working knowledge of the Linux and Windows command line interfaces. Good working knowledge of user interface design technologies. Ability to coach ...

Site Reliability Engineer

Hiring Organisation
EQUALS
Location
Greater London, England, United Kingdom
Monitoring & Observability - Own the Datadog APM setup: tracing, alerting, dashboards, log management - Maintain and tune alert channels integrated with Slack - Reduce alert fatigue by tuning thresholds, suppressing false positives, and downgrading non-actionable errors - Be the first responder when something breaks in production Reliability & Incident Response - Investigate and resolve … production incidents end-to-end: detection, root cause analysis, fix, and post-mortem - Handle database performance issues: slow query identification, index creation, query optimization, connection pool tuning - Manage queue system reliability (BullMQ on Redis): concurrency tuning, rate limiting, stalled job handling, autoscaling - Ensure graceful handling of failovers ...

Splunk Developer

Hiring Organisation
Infoplus Technologies UK Ltd
Location
Edinburgh, Midlothian, Scotland, United Kingdom
Employment Type
Contract
Contract Rate
From £350 to £400 per day
Splunk solution design including data onboarding, data models, dashboards, alerts, and ITSI objects. Review and govern Splunk development standards, SPL performance, and configuration best practices. Provide technical guidance, mentoring, and code reviews for Splunk developers and support teams. Splunk Core & ITSI Design and implement Splunk ITSI components including: oServices … service hierarchies oKPIs & thresholds oGlass Tables oEpisode review and correlation search tuning Build service centric monitoring aligned to business and application landscapes. Configure entity extraction, service templates, and adaptive thresholds. Data Onboarding & Engineering Lead onboarding of diverse data sources: oApplication logs, infrastructure metrics, APM data, cloud logs, and security ...

Senior Data Analyst

Hiring Organisation
Eden James Consulting Limited
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
Salary negotiable
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. A strong understanding of Power BI engineering discipline: PBIP/TMDL source format, Git-based version control … with demonstrable experience in a team setting. Proven ability to carry out peer review and QA of analytics work, spotting model errors, DAX issues, performance problems and UX weaknesses. Excellent written and verbal communication skills, including presenting to underwriting and senior stakeholders, with a track record of turning ambiguous ...

Application Developer

Hiring Organisation
E.surv Limited
Location
Kettering, Northamptonshire, East Midlands, United Kingdom
Employment Type
Permanent
other relational database management systems, maintenance plans, database user and security audit with a proven track record on how to achieve maximum database performance by analysing execution plans, indexes, query performance tuning and other SQL best practices. Proven and demonstrable experience in web programming using the Django … management systems including SQL. Expertise in provision, implementation, maintenance and evolution of the e.surv data warehouse, databases and associated technology whilst also ensuring maximum performance from systems. Good working knowledge of the Linux and Windows command line interfaces. Good working knowledge of user interface design technologies. Ability to coach ...

Senior KDB+ Developer

Hiring Organisation
Stackstudio Digital Ltd
Location
London, United Kingdom
Employment Type
Contract
London, UK (Hybrid) Job Type: Contract - Inside IR35 Role Overview We are seeking an experienced Senior KDB+ Developer to design, develop, and optimize high-performance data platforms built on kdb+. The ideal candidate will have deep expertise in kdb+ tick architecture, performance tuning at scale, and close … promoting best practices across the team. Key Responsibilities Design, develop, and maintain kdb+ tick systems, with strong understanding of data organisation, schema design, and performance implications of different architectural approaches. Build and operate solutions handling large-scale, high-frequency datasets, ensuring low latency, high throughput, and efficient memory usage. ...

Software Engineer (Engineer Software 3) - 27914

Hiring Organisation
HII Mission Technologies Division
Location
Suffolk, Virginia, United States
Employment Type
Permanent
Salary
USD Annual
commands and services within a unified training environment. • Apply software engineering best practices including version control, automated testing, and CI/CD pipelines. • Support performance tuning, scalability, and reliability in high demand training scenarios. • Document system architectures, interfaces, and operational procedures. What You Must Have • 5 years relevant ...

Generative AI Engineer

Hiring Organisation
Immersum
Location
City of London, London, United Kingdom
attribution models, allocations, and reporting frameworks — into scalable technical systems Architect and optimise data models and database layers , including schema design, indexing strategies, query tuning, and stored procedures Develop and maintain CI/CD pipelines and engineering tooling to support reliable, frequent, and high-quality deployments Implement event-driven … architectures using Kafka , enabling real-time data processing, system decoupling, and auditability Ensure high performance, reliability, and scalability across distributed systems, including observability, monitoring, and production readiness Partner with product, operations, and investment stakeholders to refine requirements and deliver iterative solutions in Agile environments Core requirements 8+ years ...

Data Reliability Engineer II (Tue - Sat)

Hiring Organisation
Jobleads-UK
Location
Belfast, Northern Ireland, United Kingdom
reliable, fast, and scalable. Moving away from traditional, reactive database administration, our mission is to proactively maintain and enhance the reliability, integrity, and performance of our data footprint. You will help manage a diverse, modern GCP data ecosystem—spanning relational, NoSQL, and analytical platforms (with a focus on PostgreSQL … Cloud SQL and AlloyDB, alongside Spanner, Cassandra, Firestore, Bigtable, and BigQuery) - while ensuring smooth operations, performance tuning, and automated deployments. As our team embraces a cloud-first mindset, you will be encouraged to move beyond a specialized database mindset to become a broad generalist, developing skills across modern ...

Senior Engineer (C++)

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
looking for a highly skilled Senior C++ Engineer to join our Global Analytics team. In this role, you will design, build, and maintain high-performance trading and analytics systems used across our business. You’ll work on low-latency, mission-critical applications, applying modern C++ to solve complex engineering … brokers, contributing to planning and delivery while mentoring junior engineers.This is a hands-on role for an engineer who thrives in fast-paced, high-performance environments and wants to make a tangible impact on the stability and performance of trading infrastructure.**Role Responsibilities*** Design, develop, and maintain robust ...

Lead Dynamics 365 Developer and Support

Hiring Organisation
Salt Search
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£80,000 - £87,000 per annum
security standards. Support Provide 2nd and 3rd line support across Dynamics CRM applications. Manage incidents, service requests, and changes following ITIL processes. Monitor CRM performance and proactively resolve operational issues Skills & Experience Required Essential Proven technical expertise in Dynamics 365 CE configuration and customisation. Hands-on with Power Platform … stakeholder management, communication, and problem-solving skills. Desirable Exposure to Copilot and AI-driven tools . ITIL certification or experience working in ITIL environments. Performance tuning and data migration expertise. *Rates depend on experience and client requirements ...

Senior Site Reliability Engineer

Hiring Organisation
Addition
Location
Hampshire, England, United Kingdom
Join a forward-thinking technology business delivering secure, high-performance solutions into Defence and National Security. As a Senior Site Reliability Engineer, you’ll play a key role in building resilient platforms that keep critical systems running smoothly. Role Overview: Location: Hampshire (Hybrid) Package: Competitive salary + bonus … management systems Embedding automation and DevOps best practices across environments Collaborating with engineers, developers, and stakeholders to deliver robust solutions Driving platform optimisation, performance tuning, and system reliability Carrying out security assessments, vulnerability checks, and system hardening Building and maintaining automation tooling using modern frameworks Troubleshooting complex issues ...

Pega Principal System Architect

Hiring Organisation
Jobleads-UK
Location
Birmingham, England, United Kingdom
consecutive days or more spent outside of the UK. Responsibilities Lead Pega Architectural Design & Delivery – Architect, design, and oversee the implementation of scalable, high‐performance Pega solutions that meet business and technical requirements. Establish Best Practices & Frameworks – Define and enforce Pega development standards, methodologies, guardrails, and reusable frameworks … quality, compliance, and best‐practice implementation. Solution Reusability & Optimization – Maximize solution portability and maintainability by leveraging Pega best practices, reusable assets, and platform capabilities. Performance, Scalability & Optimization – Lead performance tuning, scalability assessments, and system optimization initiatives to ensure robustness, efficiency, and production‐grade stability. Technical Problem Solving ...

Senior Software Engineer (Data Engineering)

Hiring Organisation
IntaPeople
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP 400 - 495 Daily
pipelines, including ETL/ELT workflows, batch processing, and scheduled data builds. Strong understanding of data modelling, transformations, and downstream data consumption. Experience with performance tuning for backend services or data pipelines. Proficient SQL skills for data analysis, validation, and troubleshooting. Experience working with data warehouses, data lakes ...

Senior Software Engineer (Data Engineering)

Hiring Organisation
IntaPeople
Location
Remote, Sutton South, Greater London, United Kingdom
Employment Type
Contract
Contract Rate
£400 - £495/day
pipelines, including ETL/ELT workflows, batch processing, and scheduled data builds. Strong understanding of data modelling, transformations, and downstream data consumption. Experience with performance tuning for backend services or data pipelines. Proficient SQL skills for data analysis, validation, and troubleshooting. Experience working with data warehouses, data lakes ...

Junior Data Engineer

Hiring Organisation
Adecco
Location
Edinburgh, Scotland, United Kingdom
variety of database technologies including relational, NoSQL, MPP and columnar stores (BigQuery, Redshift, Azure SQLDW, HBase, MongoDB). Build optimised, scalable data models. Apply performance tuning and optimisation across storage. Ensure secure handling of data including authentication, authorisation, encryption. Implement monitoring, alerting for large‐scale distributed data workloads. ...

Mid-Senior Ruby on Rails Engineer (B2B SaaS | Hybrid | UK)

Hiring Organisation
Transreport
Location
City of London, London, United Kingdom
trusted backend partner for Product and Platform teams. Within 12 months, you will: Confidently own and evolve multiple backend systems. Improve database performance and background job efficiency. Reduce operational risk across TOC integrations. Strengthen CI/CD reliability and deployment confidence. Contribute to longer-term backend architecture improvements … party integrations, ensuring reliable and secure data exchange. Infrastructure Collaboration: Work with the Platform team on AWS-based deployments and CI/CD processes. Performance & Reliability: Optimise background processing and database performance to maintain system stability. Incident Response: Support investigation and resolution of production issues. Cross-Functional Collaboration ...

Data Engineer

Hiring Organisation
Perch Group
Location
Manchester, England, United Kingdom
such as CI/CD, automated testing, and version control. Operational Support Troubleshoot and resolve pipeline issues, ensuring stability and data accuracy. Monitor pipeline performance and help implement improvements. Support continuous optimisation and lifecycle management. Does this sound like you? Essential 3+ years T SQL including joins, transformations, stored … procedures, and performance basics 3+ years Azure Data Factory, including pipeline development, parameter usage, and basic templates 3+ years Databricks experience (PySpark, Delta Lake, notebooks) 2+ years Python Experience Experience working with data warehouses and structured modelling concepts Strong understanding of ETL/ELT practices and data centric engineering ...

Lead Engineer - Connectivity LAN

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
trading and market data systems. As part of the specialised network connectivity and hybrid cloud engineering teams, you will help shape and deliver high performance network services across on premise and hybrid cloud environments. The team plays a central role in the firm’s long term transformation, where innovation … technical depth, and continuous learning are core principles.We are looking for engineers who thrive in complex environments, enjoy solving high performance networking challenges, and want to influence the evolution of next generation connectivity platforms.**WHAT YOU'LL BE DOING:**LAN & Connectivity Engineering* Lead the design, optimisation, and evolution ...

Senior Java Software Engineer

Hiring Organisation
Harrington Starr
Location
City of London, London, United Kingdom
automation Requirements Strong commercial Java engineering background within financial services Experience building scalable distributed systems and APIs Strong understanding of multithreading, profiling, and performance tuning Experience with modern engineering practices including TDD, Agile, CI/CD, and automated testing Understanding of clean architecture principles, SOLID design, and software ...