1 to 25 of 29 Performance Tuning Jobs in Berkshire

Senior Java Developer (Low-Latency Payments Systems)

Hiring Organisation
RE Partners
Location
Slough, Berkshire, UK
Employment Type
Full-time
based in the UK or US and offers the opportunity to build scalable, real-time services using modern technologies. If you're passionate about performance, have strong Core Java and SpringBoot expertise, and thrive in a collaborative yet opinionated engineering culture, we want to hear from you. Key Responsibilities … DevOps, Product, and QA teams to ensure production-grade solutions. Participate in architectural discussions, advocate for best practices, and provide mentorship to peers. Drive performance tuning, fault tolerance, and observability improvements across services. Required Skills & Experience: 5+ years of experience in Core Java development with a focus ...

Oracle Database Administrator

Hiring Organisation
Lorien
Location
Reading, Berkshire, England, United Kingdom
Employment Type
Contractor
Contract Rate
£550 - £575 per day
Enterprise Linux (RHEL) as well as Azure and AWS cloud platforms. The ideal candidate will have strong expertise in Oracle administration, performance tuning, automation, and cloud-native deployments. Key Responsibilities Database Installation & Configuration Install, configure, and upgrade Oracle Database software on Red Hat Enterprise Linux (RHEL) systems. Configure … . Security & Access Management Administer users, roles, privileges, and authentication. Implement encryption, auditing, and compliance controls. Apply quarterly CPU/RU patches across environments. Performance Monitoring & Tuning Monitor and analyse performance using: AWR (Automatic Workload Repository) - for gathering performance statistics and generating reports on system load. ...

Data Engineer

Hiring Organisation
Cerberus Capital Management
Location
Slough, Berkshire, UK
Employment Type
Full-time
software engineers to ensure seamless data integration and availability for predictive modeling and business intelligence. Optimize data storage and processing in Azure environments for performance, reliability, and cost-efficiency. Implement best practices for data modeling, governance, and security across all platforms. Troubleshoot and enhance existing pipelines to improve scalability … love to hear from you. Strong technical foundation: Degree in a STEM field (or equivalent experience) with hands-on experience in production environments, emphasizing performance optimization and code quality. Python expertise: Advanced proficiency in Python for data engineering, data wrangling and pipeline development. Cloud Platforms: Hands-on experience working ...

Senior Data Engineer

Hiring Organisation
JSS Search
Location
Slough, Berkshire, UK
Employment Type
Full-time
analytical and operational needs. Collaborate with data analysts, data scientists, and business stakeholders to understand requirements and deliver robust data solutions. Troubleshoot data discrepancies, performance issues, and system errors. Ensure compliance with data security, governance, and regulatory standards. Support and enhance existing data engineering processes and platforms. Essential Skills … Knowledge SQL Server Proficiency: Strong expertise in Microsoft SQL Server and SQL. Skilled in querying, performance tuning, and database optimisation. Data Warehousing & Modelling: In-depth understanding of data warehousing principles and modelling concepts. Experience with designing efficient schemas, including normalisation and denormalisation techniques. ETL/ELT Pipelines: Proven ...

Senior Data Engineer

Hiring Organisation
RELX
Location
Slough, Berkshire, UK
Employment Type
Full-time
ideal candidate will be experienced in integrating diverse internal and external data sources, collaborating with stakeholders, and ensuring the availability of trusted, high-performance datasets for downstream consumers. Responsibilities Design, build, and manage ingestion pipelines in Microsoft Fabric for structured and unstructured data, aligned to the Bronze and Silver … reliable data transfers and integrations. Implement scalable, repeatable processes for ingestion, schema management, validation, and metadata documentation. Ensure all data pipelines meet governance, compliance, performance, and security standards. Continually evaluate and adopt emerging Fabric features including Lakehouse optimisations, Warehouse capabilities, and orchestration improvements to support ongoing advancement ...

Data Engineer

Hiring Organisation
UST
Location
Slough, Berkshire, UK
Employment Type
Full-time
Engineer with deep expertise in Power BI and enterprise-scale reporting environments. The ideal candidate will be responsible for designing, optimizing, and maintaining high-performance semantic models, delivering end-to-end BI solutions, and supporting distributed reporting across multiple business domains. Key Responsibilities: Power BI Development & Engineering Build … optimize Power BI Semantic Models for large datasets (4–5GB+). Develop high-performance dashboards using Power BI Desktop & Power BI Service. Write advanced, performance-optimized DAX following best practices. Leverage Power Query (M) for scalable data ingestion and transformation. Perform deep model optimization using Tabular Editor ...

Microsoft Power Platform Architect

Hiring Organisation
Stackstudio Digital Ltd
Location
Wokingham, Berkshire, South East, United Kingdom
Employment Type
Contract
Contract Rate
From £500 to £510 per day
Functions, Logic Apps, Service Bus, API Management, Event Grid), Microsoft 365, and line-of-business systems via custom connectors Optimize Dataverse schema, relationships, and performance; manage large datasets, virtual tables, and row-level security Ensure data quality, telemetry, and Power BI analytics alignment with semantic models and governance Delivery … with product owners to translate business outcomes into platform capabilities and technical backlog items Manage solution risk, cost, timeline, and non-functional requirements (scalability, performance, reliability, supportability) Platform Enablement & CoE Establish and evolve the Power Platform Center of Excellence (CoE), including standards, accelerators, templates, guardrails, and training paths Drive ...

Oracle Solutions Architect

Hiring Organisation
bedigital
Location
Reading, Berkshire, UK
Employment Type
Full-time
backend database etc. Having worked with large scale database systems, preferably from a data warehousing standpoint, you should also be comfortable with performance tuning of large Oracle RAC based systems in a secure environment. This is a design, assurance and troubleshooting role, working closely with the Lead Solutions … Thorough knowledge of Oracle (10 years+) Proven experience as an Oracle DBA, particularly with Oracle 19c, in a complex environment. Table analysis and index tuning, including optimisation of large-scale, high transaction Oracle Platforms Optimisation of PL/SQL and SQL code Oracle mTLS/TDE Experience Oracle client ...

Oracle Solutions Architect

Hiring Organisation
bedigital
Location
Slough, Berkshire, UK
Employment Type
Full-time
backend database etc. Having worked with large scale database systems, preferably from a data warehousing standpoint, you should also be comfortable with performance tuning of large Oracle RAC based systems in a secure environment. This is a design, assurance and troubleshooting role, working closely with the Lead Solutions … Thorough knowledge of Oracle (10 years+) Proven experience as an Oracle DBA, particularly with Oracle 19c, in a complex environment. Table analysis and index tuning, including optimisation of large-scale, high transaction Oracle Platforms Optimisation of PL/SQL and SQL code Oracle mTLS/TDE Experience Oracle client ...

MarTech Multi-solution Architect

Hiring Organisation
Tata Consultancy Services
Location
Slough, Berkshire, UK
Employment Type
Full-time
data maps, interface contracts, and non-functional requirements (NFRs). Provide technical leadership during build: review designs, perform architecture spikes, and support troubleshooting and performance tuning. Define CI/CD pipelines for MarTech configurations and integration code; automate testing and deployments where possible. Mentor engineering teams, drive architectural governance ...

ServiceNow Architect

Hiring Organisation
IBU CONSULTING LTD
Location
Berkshire, South East, United Kingdom
Employment Type
Contract
state vision, uncover requirements, constraints, and opportunities. Design end-to-end ServiceNow solutions and technical architectures that align with organizations strategic goals, considering scalability, performance, security, maintainability, integrations, data model, and user experience. Define roadmap(s) and solution intent/blueprints: translate business goals into architecture, technology decisions, module … instance strategy, environment strategy, upgrade/migration plans. Support presales/proposal efforts by scoping, estimating, and designing reference architectures. Participate in operational considerations: performance tuning, capacity planning, availability, disaster recovery, security compliance. Stay up to date with new ServiceNow features, modules, trends (e.g., AI/ML, data ...

Principal Software Engineer (DevOps)

Hiring Organisation
Oracle
Location
Reading, Berkshire, UK
Employment Type
Full-time
Join OCI's Edge Security team as a Principal Engineer to architect and deliver cloud-scale DDoS protection. You'll lead design for high-performance detection and mitigation systems, drive automation and operational excellence, and set the technical direction for customer-facing DDoS capabilities across OCI's global edge. …/Python/C Rust/Go (strong preference for Java for control-plane/services). Deep systems design expertise: concurrency, memory management, performance tuning, API design, consistency models, and distributed systems fundamentals. Proven DevOps leadership at scale: CI/CD, automated testing, canarying, rollout/rollback ...

Principal Software Engineer (DevOps)

Hiring Organisation
Oracle
Location
Slough, Berkshire, UK
Employment Type
Full-time
Join OCI's Edge Security team as a Principal Engineer to architect and deliver cloud-scale DDoS protection. You'll lead design for high-performance detection and mitigation systems, drive automation and operational excellence, and set the technical direction for customer-facing DDoS capabilities across OCI's global edge. …/Python/C Rust/Go (strong preference for Java for control-plane/services). Deep systems design expertise: concurrency, memory management, performance tuning, API design, consistency models, and distributed systems fundamentals. Proven DevOps leadership at scale: CI/CD, automated testing, canarying, rollout/rollback ...

Oracle APEX Consultant

Hiring Organisation
Frontier Resourcing
Location
Reading, Berkshire, UK
Employment Type
Full-time
Agile delivery squads with APEX devs, data engineers, integration specialists and business SMEs. Essential Skills Strong Oracle APEX development capability (apps, forms, processes, security, performance tuning). Hands-on experience with Oracle Analytics Cloud (OAC dashboards, DV, RPD/semantic modelling). Experience with Autonomous Data Warehouse … Oracle Fusion data structures. Data modelling, ETL/ELT, SQL tuning and general analytics engineering skillset. Proven ability to collaborate with AI teams, data scientists or ML engineers in shared workloads. UK Citizen with SC (minimum). Desirable OCI and OIC experience. Exposure to ML/AI concepts ...

Senior Software Engineer

Hiring Organisation
Oracle
Location
Reading, Berkshire, UK
Employment Type
Full-time
Join OCI to design and deliver cloud-scale DDoS protection as part of our edge security platform. You'll design and ship high-performance detection and mitigation systems, automate operations end-to-end, and help define the technical foundation for customer-facing DDoS capabilities. Basic qualifications 6+ years building … Java/Python/C Rust/Go Strong preference for Java for control-plane/services. Strong systems design skills: concurrency, memory management, performance tuning, API design, and distributed systems fundamentals. Experience with DevOps at scale: CI/CD, automated testing, canarying, rollout/rollback, and configuration ...

Senior Software Engineer

Hiring Organisation
Oracle
Location
Slough, Berkshire, UK
Employment Type
Full-time
Join OCI to design and deliver cloud-scale DDoS protection as part of our edge security platform. You'll design and ship high-performance detection and mitigation systems, automate operations end-to-end, and help define the technical foundation for customer-facing DDoS capabilities. Basic qualifications 6+ years building … Java/Python/C Rust/Go Strong preference for Java for control-plane/services. Strong systems design skills: concurrency, memory management, performance tuning, API design, and distributed systems fundamentals. Experience with DevOps at scale: CI/CD, automated testing, canarying, rollout/rollback, and configuration ...

Microsoft Power Platform Architect

Hiring Organisation
LA International Computer Consultants Ltd
Location
Wokingham, Berkshire, United Kingdom
Employment Type
Contract
Contract Rate
GBP 450 - 550 Daily
services (Functions, Logic Apps, Service Bus, API Management, Event Grid), M365, and line-of-business systems via custom connectors. * Optimize Dataverse schema, relationships, and performance; manage large datasets, virtual tables, and row-level security. * Ensure data quality, telemetry, and Power BI analytics alignment with semantic models and governance. Delivery … coaching. * Work with product owners to translate business outcomes into platform capabilities and technical backlog items. * Manage solution risk, cost, timeline, and NFRs (scalability, performance, reliability, supportability). Platform Enablement & CoE * Establish and evolve the Power Platform CoE: standards, accelerators, templates, guardrails, and training paths. * Drive adoption,evangelisee best ...

Full Stack Software Engineer

Hiring Organisation
Firenze
Location
Slough, Berkshire, UK
Employment Type
Full-time
design to production. Back-End Engineering (Java): Build APIs and microservices using Java (Spring Boot, Micronaut, or Quarkus), with guidance on best practices for performance and reliability. Front-End Engineering (TypeScript – Nuxt/Vue): Develop responsive, accessible UIs with strong component and state management. Data & Integration: Work with PostgreSQL … design resilient data flows. Quality & Testing: Contribute to our testing culture (JUnit, Playwright, CI pipelines) and learn how to scale reliable delivery. Performance & Observability: Gain hands-on experience with monitoring tools and learn how to build observable systems from day one. Documentation & Developer Experience: Help create clear technical docs ...

Staff Backend Engineer (Python | AI Lab | £170,000)

Hiring Organisation
Paradigm Talent
Location
Slough, Berkshire, UK
Employment Type
Full-time
science. You should have Deep experience building and scaling backend systems and distributed applications. Strong coding skills in Python, with an understanding of performance tuning and concurrency. Hands-on experience with Kubernetes, AWS, and modern cloud infrastructure. Proficiency with databases — schema design, performance optimization, and analytics. Familiarity … engineering mindset — you think about reliability, maintainability, and long-term scalability. Nice-to-haves Experience with MLOps and model-serving infrastructure. Background in high-performance computing or large-scale scientific workloads. Expertise in data pipeline architecture and real-time streaming systems. Knowledge of scientific or biological computing environments. This ...

Lead Decision Intelligence Consultant (Palantir)

Hiring Organisation
Staffworx
Location
Slough, Berkshire, UK
Employment Type
Full-time
models (RBAC/ABAC), object-level security and auditability. Implement CI/CD and environment promotion strategies for Foundry artefacts. Scalability, Reliability & Operations Lead performance tuning for large-scale production deployments (eg parallelisation, partitioning, caching, compute configuration). Design monitoring, alerting and observability for pipelines, applications and integrations. … role. Multiple large-scale Foundry implementations in production, with direct ownership of Solution architecture, Deployment strategy, Operational runbook and handover Demonstrable enterprise experience with Performance bottlenecks at scale, Complex permissioning/security models, Schema and ontology evolution, Integration failures and incident recovery Strong client-facing track record with senior ...

Lead Decision Intelligence Consultant (Palantir)

Hiring Organisation
Staffworx
Location
Reading, Berkshire, UK
Employment Type
Full-time
models (RBAC/ABAC), object-level security and auditability. Implement CI/CD and environment promotion strategies for Foundry artefacts. Scalability, Reliability & Operations Lead performance tuning for large-scale production deployments (eg parallelisation, partitioning, caching, compute configuration). Design monitoring, alerting and observability for pipelines, applications and integrations. … role. Multiple large-scale Foundry implementations in production, with direct ownership of Solution architecture, Deployment strategy, Operational runbook and handover Demonstrable enterprise experience with Performance bottlenecks at scale, Complex permissioning/security models, Schema and ontology evolution, Integration failures and incident recovery Strong client-facing track record with senior ...

Data Engineer

Hiring Organisation
KnoWho
Location
Slough, Berkshire, UK
Employment Type
Full-time
data processing and pipeline development. Solid experience with SQL, including writing efficient and scalable queries. Hands-on experience with Google BigQuery , including architecture, performance tuning, and cost optimization. Familiarity with cloud-based data tools and modern data ecosystems. Understanding of data modeling, warehousing concepts, and best practices Nice ...

SRE Engineer Java JVM - Fintech

Hiring Organisation
Client Server
Location
Slough, Berkshire, UK
Employment Type
Full-time
driving improvements across the platform. You'll have a broad scope including hands-on coding (Java) to build tools and automation, incident response, observability, performance optimisation and operational excellence, working with large scale Java JVM distribution systems and message brokers such as Kafka and ActiveMQ, with … Site Reliability Engineer SRE (or similar) with a Java software engineering background and a deep knowledge of JVM internals and performance tuning You have a strong knowledge of Site Reliability Engineering and how to build scalable solutions to improve reliability, productivity and efficiency You have strong experience with ...

Oracle Developer

Hiring Organisation
4Square Recruitment Ltd
Location
Slough, Berkshire, England, United Kingdom
Employment Type
Full-Time
Salary
£60,000 - £70,000 per annum
responsible for developing and maintaining complex Oracle SQL and PL/SQL code, working closely with developers and stakeholders to ensure high-performance, scalable database solutions. This is a hands-on role for someone who genuinely enjoys writing proper PL/SQL—not just babysitting legacy code. What …/SQL programming skills Experience developing complex stored procedures, packages, functions, and triggers A high standard of coding with a focus on performance, maintainability, and best practices Proven experience working in a software house or similar fast-paced environment Nice to Have (but not deal-breakers) Performance tuning ...

Engineering Manager (Python) - AI/ML SaaS Platform

Hiring Organisation
Creo Recruitment
Location
Slough, Berkshire, UK
Employment Type
Full-time
systems, and modern AWS infrastructure. You'll lead a squad of 4 engineers, guiding them through complex technical decisions and helping them deliver high-performance, data-intensive systems operating over hundreds of millions to billions of rows. The product itself is an AI/ML-driven SaaS platform … pipelines and SQL-based workflows, ensuring scalability and performance. Run technical design reviews, guide architecture decisions, and support engineers in navigating trade-offs around performance, cost, and reliability. Champion operational excellence — strong observability, testing discipline, incident response, and SLO ownership. Collaborate with Product & Design to define technical requirements, prioritise ...