1 to 25 of 63 Performance Tuning Jobs in Berkshire

Design and build RESTful API endpoints using NodeJS and Express, including detailed API documentation. Database Management: Design, optimize, and maintain complex SQL data models, ensuring efficient data structures, query performance, and reliability. Full-Stack Development: Develop responsive and performant front-end applications using ReactJS, focusing on UX/UI best practices. Integration & Automation: Architect and maintain integrations with external … Proven track record of leading development teams and managing large-scale projects. Database Expertise: In-depth experience with PostgreSQL/SQL, including design of complex schemas, writing queries and performance optimisation. Security & Performance: Deep understanding of application security best practices, performance tuning, and scalable architecture. Problem-Solving: Ability to troubleshoot complex technical issues, with a proactive … well-being, and continuous growth, ensuring that you have the support and resources to excel both professionally and personally. Competitive Salary: £50,000 - £65,000 per year, with potential performance-based increases. Performance Bonus: Up to 10% annual bonus. Generous Holiday Allowance: 27 days holiday plus bank holidays. Health Insurance: Private health insurance including dental care, vision, and More ❯

and technical stakeholders to capture and refine business and technical requirements Translate high-level discussions into structured documentation and user stories Work closely with DBAs and architects to optimise performance and scalability Ensure alignment with industry-standard data quality profiling frameworks and dimensions (e.g., completeness, accuracy, consistency) Support solution testing and deployment in both development and production environments Mandatory … data-centric applications Strong Business Analysis (BA) capabilities: Self-starter with the ability to independently engage SMEs and document requirements Oracle PL/SQL: Solid coding and troubleshooting skills; performance tuning and DBA knowledge is a strong advantage Experience with Avaloq: Familiarity with Avaloq's physical data layer is essential Knowledge of data quality frameworks: Understanding of profiling … Have Skills Description: Experience with Avaloq Reporting & Data Extracts (ARD, ADF, SmartView): Familiarity with Avaloq-specific data export or reporting mechanisms would help accelerate development. Knowledge of Oracle Database Tuning/Performance Diagnostics: In-depth understanding of execution plans, indexes, and session performance tools. Experience with Data Quality Tools or Frameworks: Exposure to tools like Informatica DQ More ❯

Junior Software Engineer London, UK £85,000 basic plus bonus We’re looking for a Junior Software Engineer to join a team that specialise in optimising large-scale, high-performance systems used by demanding clients worldwide. You’ll work across the full delivery lifecycle, from profiling and tuning code, to rethinking architectures ensuring software runs with maximum speed … dive deep into complex systems, identify bottlenecks, and implement improvements that make a measurable difference for clients. What you’ll be doing Profiling and optimising existing code to boost performance and reduce memory footprint Designing and implementing performance enhancements for high-throughput, low-latency systems Working with Product, Engineering, and Clients to understand and meet performance targets … Creating and maintaining automated performance and load testing frameworks Mentoring engineers on writing efficient, scalable, and maintainable code Contributing to architectural decisions that directly impact performance and reliability What we’re looking for A few years commercial experience in software engineering with strong experience in Python, Java, or C# Proven track record of performance tuning in More ❯

and maintain data visualization solutions that transform raw data into actionable insights. Your work enables business stakeholders to make informed decisions through intuitive dashboards and reports that reflect key performance metrics. Key Responsibilities: Requirement Gathering: Collaborate with business and data teams to understand reporting needs and translate them into technical specifications. Data Integration & Modeling: Design efficient data models and … perform ETL from various sources to ensure data accuracy and performance. Dashboard Development: Build interactive, user-friendly dashboards and reports using Qlik Sense scripting and visualization tools. Performance Optimization: Enhance application performance through script optimization and efficient data modeling. Testing & QA: Conduct rigorous testing and support user acceptance to ensure data accuracy and functional alignment. Documentation & Training: Document … Qlik’s scripting language for custom data loading, transformation, and calculations. •Data Analysis and Visualization: Skills in visualizing data, selecting appropriate chart types, and creating user-friendly, interactive dashboards. •Performance Optimization: Understanding of Qlik performance tuning, data model optimization, and dashboard load balancing. •Problem-Solving and Critical Thinking: Ability to analyze and troubleshoot data issues, application errors More ❯

and maintain data flows using NiFi, ensuring accurate, efficient, and secure data ingestion, transformation, and delivery. You should be adept at identifying and resolving issues within NiFi flows, managing performance bottlenecks, and implementing robust error handling strategies. You’ll work closely with cross-functional teams including data architects, compliance officers, and cybersecurity specialists to integrate data from various systems … data pipeline design in regulated environments. Responsibilities: Design, develop, and maintain robust and secure data pipelines using NiFi and related big data technologies. Troubleshoot and optimize NiFi flows, including performance tuning, error resolution, and flow control. Integrate NiFi with cloud platforms, databases (SQL & NoSQL), APIs, and third-party systems. Ensure compliance with regulatory and security requirements across data … storage, transfer, and access layers. Support data migration efforts and implement disaster recovery protocols. Continuously monitor data infrastructure performance and recommend improvements. Collaborate with cross-functional teams to align data platform capabilities with business needs and compliance requirements. Maintain documentation of data flows and processes, ensuring knowledge sharing and operational transparency. Skills & Experience: You will have the following skills More ❯

and maintain data flows using NiFi, ensuring accurate, efficient, and secure data ingestion, transformation, and delivery. You should be adept at identifying and resolving issues within NiFi flows, managing performance bottlenecks, and implementing robust error handling strategies. You’ll work closely with cross-functional teams including data architects, compliance officers, and cybersecurity specialists to integrate data from various systems … data pipeline design in regulated environments. Responsibilities: Design, develop, and maintain robust and secure data pipelines using NiFi and related big data technologies. Troubleshoot and optimize NiFi flows, including performance tuning, error resolution, and flow control. Integrate NiFi with cloud platforms, databases (SQL & NoSQL), APIs, and third-party systems. Ensure compliance with regulatory and security requirements across data … storage, transfer, and access layers. Support data migration efforts and implement disaster recovery protocols. Continuously monitor data infrastructure performance and recommend improvements. Collaborate with cross-functional teams to align data platform capabilities with business needs and compliance requirements. Maintain documentation of data flows and processes, ensuring knowledge sharing and operational transparency. Skills & Experience: You will have the following skills More ❯

Support Engineer Introduction: Join a global technology leader driving innovation across supply chain and logistics. This role sits at the heart of keeping critical OTM systems running smoothly — ensuring performance, stability, and seamless integrations across complex environments. Role Overview: Location: Flexible/London x2 days a week in site Package: Competitive salary + benefits Industry: Technology/Logistics/… with Oracle on service requests, data exports, and technical escalations. Oversee integrations with carriers, 3PLs, and logistics partners. Maintain VPD, business monitors, alerts, and OTM security settings. Optimise OTM performance through tuning, monitoring, and best practice application. Support data and configuration migrations between cloud and on-premise environments. Main Skills Needed: 5+ years in OTM production support or … a related technical operations role. Strong SQL and API skills, with solid OTM troubleshooting experience. Proven track record in performance tuning and system optimisation. Knowledge of freight audit, pay processes, and multi-modal logistics operations. Confident communicator with strong documentation and stakeholder management skills. What’s in It for You: Work with global experts in a forward-thinking More ❯

SQL code for complex data processing and transformation tasks. Collaborate with data analysts, data scientists, and business stakeholders to understand data requirements and deliver high-quality solutions. Optimize Snowflake performance through query tuning, clustering, and resource management. Ensure data quality, integrity, and governance through testing, documentation, and monitoring. Participate in code reviews, architecture discussions, and continuous improvement initiatives. … Qualifications: 5+ years of experience in data engineering or a related field. Strong hands-on experience with DBT (modular SQL development, testing, documentation). Proficiency in Snowflake (data warehousing, performance tuning, security). Advanced knowledge of PL/SQL and experience with stored procedures, functions, and packages. Solid understanding of data modeling concepts (star/snowflake schemas, normalization More ❯

Develop scalable and optimised data models in Azure Synapse Analytics for analytical and operational reporting. Govern and enhance Power BI datasets and semantic models, ensuring best practice in DAX, performance tuning, and report design. Lead the development of data architecture and standards across Azure Data Lake and Synapse environments. Contribute to the migration to Microsoft Fabric, shaping platform … CI/CD. Technical Skills Azure Data Factory: Expert in building, automating, and optimising ETL pipelines. Azure Synapse Analytics: Strong experience with dedicated SQL pools, data warehousing concepts, and performance tuning. Power BI: Advanced experience managing enterprise models, datasets, and governance processes. SQL: Expert-level proficiency in query design, optimisation, and data transformation. Azure Data Lake: Deep understanding of More ❯

Responsibilities: - Build and maintain scalable ETL pipelines using Python and PySpark to support data ingestion, transformation, and integration - Develop and optimize distributed data workflows on AWS EMR for high-performance processing of large datasets - Design, implement, and tune Snowflake data warehouses to support analytical workloads and reporting needs - Partner with data scientists, analysts, and product teams to deliver reliable … well-documented datasets - Ensure data integrity, consistency, and accuracy across multiple sources and systems - Automate data workflows and processes to improve efficiency and reduce manual intervention - Monitor pipeline performance, identify bottlenecks, and resolve issues proactively - Apply best practices in CI/CD, version control (e.g., Git), and infrastructure-as-code (e.g., Terraform, CloudFormation) - Enforce data security, compliance, and governance … data engineering or software development - Strong proficiency in Python and PySpark - Hands-on experience with AWS services, especially EMR, S3, Lambda, and Glue - Deep understanding of Snowflake architecture and performance tuning - Solid grasp of data modeling, warehousing concepts, and SQL optimization - Familiarity with CI/CD tools (e.g., Jenkins, GitHub Actions) and infrastructure-as-code - Experience with data More ❯

Responsibilities: - Build and maintain scalable ETL pipelines using Python and PySpark to support data ingestion, transformation, and integration - Develop and optimize distributed data workflows on AWS EMR for high-performance processing of large datasets - Design, implement, and tune Snowflake data warehouses to support analytical workloads and reporting needs - Partner with data scientists, analysts, and product teams to deliver reliable … well-documented datasets - Ensure data integrity, consistency, and accuracy across multiple sources and systems - Automate data workflows and processes to improve efficiency and reduce manual intervention - Monitor pipeline performance, identify bottlenecks, and resolve issues proactively - Apply best practices in CI/CD, version control (e.g., Git), and infrastructure-as-code (e.g., Terraform, CloudFormation) - Enforce data security, compliance, and governance … data engineering or software development - Strong proficiency in Python and PySpark - Hands-on experience with AWS services, especially EMR, S3, Lambda, and Glue - Deep understanding of Snowflake architecture and performance tuning - Solid grasp of data modeling, warehousing concepts, and SQL optimization - Familiarity with CI/CD tools (e.g., Jenkins, GitHub Actions) and infrastructure-as-code - Experience with data More ❯

solutions, including data models, dashboards, and reports Develop datasets, measures (DAX), and visuals to support business insights Maintain data accuracy, integrity, and security within the Power BI environment Optimise performance of reports and dashboards for a seamless user experience Implement Power ON configurations, including workspaces, security, and sharing policies Effort Estimation & Project Delivery Estimate project effort, timeline, and resource … Acceptance Testing) and gather feedback for refinements Client Training & Support Conduct training sessions for end-users to drive adoption of Power ON solutions Provide post-implementation support, troubleshooting, and performance tuning Act as a trusted advisor to clients on Power ON strategies and future enhancements Qualifications Preferred Qualifications & Experience: Bachelor’s or Master’s degree in Mathematics, Computer … and Power Apps integration with Power BI Experience with non-Microsoft data sources (Snowflake, Oracle, PostgreSQL, MySQL, Synapse, Big Query) advantageous Row Level Security (Analysis Services, PowerBI.com, SQL Server) Performance optimisation (Partitioning, Understanding of columnar database concept, SQL indexing) Troubleshooting (SQL Profiler or other profiler tools, Tabular Editor, DAX Studio, Power BI datasets, RLS security) Business & Consulting Skills Strong More ❯

and optimise performance. Collaborate with senior engineers to implement new features and fix bugs. Participate in code reviews and contribute to improving coding standards. Assist in troubleshooting, debugging, and performance tuning of applications. Document technical designs, processes, and solutions. Stay up to date with emerging tools, technologies, and best practices. Requirements: Degree in Computer Science, Software Engineering, or More ❯

asynchronous messaging patterns (e.g., queues, event buses). • System Design: • •Ability to design and implement scalable software systems. • •Familiarity with distributed system patterns and architectural trade-offs. • •Experience with performance tuning and troubleshooting in complex environments. • Tooling & Infrastructure: •Experience with CI/CD pipelines, containerization (Docker/Kubernetes), and version control systems (e.g., Git). • Soft Skills; • Communication More ❯

relevant languages such as Python, JavaScript, or TypeScript. System Design: Ability to design and implement scalable software systems. Familiarity with distributed system patterns and architectural trade-offs. Experience with performance tuning and troubleshooting in complex environments. Data Systems Knowledge: Exposure to working in data-centric environments, supporting ETL/ELT pipelines or data processing services. Familiarity with SQL More ❯

relevant languages such as Python, JavaScript, or TypeScript. System Design: Ability to design and implement scalable software systems. Familiarity with distributed system patterns and architectural trade-offs. Experience with performance tuning and troubleshooting in complex environments. Data Systems Knowledge: Exposure to working in data-centric environments, supporting ETL/ELT pipelines or data processing services. Familiarity with SQL More ❯

topics clearly. Excellent analytical, organisational, and problem-solving abilities. Experience leading or mentoring technical peers. Bonus Skills and Experience: Proficiency in Microsoft SQL Server, including stored procedures, triggers, and performance tuning. Familiarity with Supabase/Postgres or similar cloud database technologies. Experience with low-code and integration tools such as Power Apps, Power Automate (Microsoft Flow), Workato, Make (Integromat More ❯

issues and ensure root cause analysis and documentation. Develop and maintain architecture diagrams, runbooks, standards, and documentation for infrastructure systems. Participate in and lead infrastructure assessments, capacity planning, and performance tuning. Contribute to the development of disaster recovery and business continuity strategies. Ensure compliance with industry regulations, corporate policies, and SLAs. Innovation & Research Stay current with emerging AI technologies More ❯

and data models using DAX and Power Query. Azure Data Factory: Hands-on experience building and maintaining ETL pipelines. Azure Synapse Analytics: Working knowledge of data modelling, views, and performance tuning. SQL: Proficient in writing, optimising, and troubleshooting queries. Azure Data Lake: Understanding of data storage and structure for analytics use cases. Git/Azure DevOps: Familiar with version More ❯

patterns, and contribution to Kubrick’s internal knowledge base Line-manage and mentor developers within the team, supporting their professional growth and certifications (including SnowPro) Troubleshoot and tune query performance, storage usage, and cost efficiency across Snowflake accounts Act as a subject matter expert during consulting engagements, providing advice on best practices for data sharing, and integration with other … engineering or analytics, including designing and delivering enterprise grade data solutions Strong hands-on experience with Snowflake (or comparable cloud data warehouses like BigQuery, RedShift, Synapse) including data modelling, performance tuning and cost management Familiarity with SQL best practices, ELT patterns, and modern data transformation frameworks such as dbt Competence in at least one programming language (Python preferred More ❯

insurance background, capable of owning and extending core pipelines across the Azure and Snowflake stack. Key Skills & Experience Strong hands-on experience with Snowflake Cloud Data Warehouse (schemas, RBAC, performance tuning, ELT best practices). Proven commercial experience with DBT for modular data modelling, testing, documentation, and CI/CD integration. Skilled in Azure Data Factory, Synapse, and More ❯

fast-paced organisation. As the Senior SQL Server DBA, you will take ownership of large-scale SQL Server environments, managing everything from clustering and Always On Availability Groups to performance tuning and disaster recovery. You'll be responsible for ensuring database integrity, security, and optimal performance across development, test, and production environments, while maintaining high availability and More ❯

and machine learning use cases. Work closely with clients to understand data requirements and translate them into robust technical solutions. Implement best practices for data modelling, data quality, and performance tuning across cloud-based platforms. Collaborate with cross-functional teams including data scientists, analysts, and software engineers to deliver end-to-end data solutions. Ensure data security, compliance … standards are met across all projects. Required Skills Strong experience with Azure data services (Data Factory, Synapse, Blob Storage, etc.). Proficiency in SQL for data manipulation, transformation, and performance optimisation. Hands-on experience with Databricks (Spark, Delta Lake, notebooks). Solid understanding of data architecture principles and cloud-native design. Experience working in consultancy or client-facing roles More ❯

ecosystem and the ability to translate business needs into smart, scalable solutions. • Proven experience with Microsoft 365 and Power Platform (PowerApps, PowerAutomate, Dataverse) • Strong SQL skills, including data modeling, performance tuning, and ETL processes • Hands-on experience with SharePoint, Teams, and Exchange integration • Experience with Azure DevOps, API integration, and application lifecycle management • Excellent communication skills with the More ❯

modernisation projects. Key Responsibilities: Design, build, and optimise scalable data pipelines (batch & streaming). Develop and manage dataflows and semantic models supporting analytics. Implement robust data validations, cleansing, and performance tuning. Build ETL workflows using modern data engineering best practices. Collaborate with business stakeholders to deliver fit-for-purpose solutions. Ensure compliance with data security, access control, and governance. More ❯