1 to 25 of 52 Performance Tuning Jobs in the South East

arrange a specific frequency hybrid agreement that works for the successful individual. You will be well versed in Oracle, PostgreSQL and SQL. You will also be capable of undertaking performance tuning, ensuring high availability of systems, as well as the planning and executions of migrations. You will be rewarded with an excellent salary, as well as a brilliant …/18c/19c, and PostgreSQL (latest supported versions) Expertise in database administration tasks such as backups, restores, and recovery models, database mirroring, replication, log shipping, etc Experience in performance tuning, query optimisation, and troubleshooting performance issues in SQL Server, Oracle, and PostgreSQL databases Knowledge of high availability and disaster recovery solutions for SQL Server, Oracle, and More ❯

This is a unique opportunity for an experienced Lead Database Administrator to shape, modernise and future-proof a growing data platform. You'll be the driving force behind database performance, resilience, and compliance, while steering the evolution from traditional systems to modern cloud-based solutions. From enterprise-scale SQL Server estates to emerging data lake technologies, this role offers … both breadth and depth, with real influence across business-critical systems. What you'll be doing Lead database strategy, ensuring high availability, scalability and cost efficiency. Drive performance tuning, optimisation and proactive monitoring for reliable services. Oversee upgrades, migrations and integrations with modern platforms (Azure, Data Lake, Fabric). Manage BAU operations: patching, security updates, backups and incident … and contribute to the cloud and automation journey. What we're looking for Deep expertise in Microsoft SQL Server (enterprise estates) plus experience with MySQL. Proven track record in performance tuning, optimisation and troubleshooting. Strong knowledge of SQL, SSRS, SSIS, PowerShell, security, replication and DR strategies. Experience with Azure services (Data Factory, Logic Apps, Data Sync) and exposure More ❯

estate across SQL Server, Oracle, and PostgreSQL platforms. What You’ll Be Doing: Spearheading the design, implementation, and maintenance of SQL Server, Oracle, and PostgreSQL databases. Ensuring high availability, performance, and security across all database systems. Leading backup, recovery, patching, performance tuning, and capacity planning initiatives. Driving automation using tools like PowerShell and Python to streamline operations. … SQL Server versions 2012–2019 , Oracle 10g–19c , and the latest PostgreSQL releases. Deep expertise in backup strategies, recovery models, replication, log shipping , and more. Proven track record in performance tuning and query optimisation . Strong understanding of HA/DR solutions and security best practices . Experience in database migrations and upgrades across multiple platforms. Proficiency in More ❯

This is a diverse, challenging role in a talented team where youll be developing and optimising highly available, robust, and scalable MySQL databases, while contributing to architectural decisions and performance tuning Essential: Strong MySQL DBA and development experience Performance tuning, optimisation, and indexing Database backup and recovery planning SQL Server to MySQL migration experience Writing performant More ❯

as primary technical authority for Oracle database architecture with a specialized focus on Oracle Exadata platforms Lead deployment, configuration, and optimization of Oracle platforms, leveraging advanced features while establishing performance tuning methodologies and disaster recovery protocols Design data models, physical schemas, and partitioning strategies for high-volume workloads while overseeing database upgrades and patch deployment with minimal disruption … processing and high-frequency data operations Extensive experience with Oracle Exadata platforms, including configuration, optimization, and troubleshooting Hands-on expertise with Oracle RAC, Data Guard, ASM, RMAN, and advanced performance tuning techniques Deep understanding of Oracle database architecture, including advanced features and optimization techniques Experience with Oracle Enterprise Manager (OEM) for installation, upgrades, administration, and monitoring Knowledge of More ❯

Lead Performance Test Engineer Are you ready to take the lead in shaping performance testing strategies for high-impact projects? This is an exciting opportunity for a Lead Performance Test Engineer to work on innovativecustomer solutions, with strong investment in training, tools, and technology. You'll play a key role in driving product quality, solving complex problems … and ensuring systems perform seamlessly at scale. What you'll do Analyse business scenarios and performance requirements Design and execute performance test scripts, workload models, and monitoring metrics Identify bottlenecks and recommend performance tuning improvements Deliver detailed test reports and actionable insights Champion best practices and testing strategies within a global team What you'll bring … 10+ years' experience in performance testing, software R&D, or systems engineering Strong experience with tools such as K6, LoadRunner, JMeter In-depth knowledge of databases, cloud-based web architectures, and automation Practical skills in C#, Web API testing, Azure and modern test methodologies Strong problem-solving, troubleshooting, and data analysis skills Desirable extras Exposure to Elasticsearch/Kibana More ❯

platforms such as AWS, Azure, or Google Cloud. Understanding of data governance and security best practices. Proficiency with Git and modern development workflows (CI/CD). Knowledge of performance tuning and scalability principles. Knowledge of Java programming. Required behaviours and attributes: Maintain a mindset of improvement. Open-minded and solution oriented. Communicate with clarity and empathy across 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 ❯

operations. What you’ll do Design & build: Develop and maintain backend services and microservices using Java. Collaborate broadly: Work with cross-functional teams to deliver scalable telecom solutions. Optimise performance: Integrate databases, APIs, and ensure efficiency across systems. Harden systems: Implement redundancy, security, and performance tuning for telecom operations. Problem-solve: Troubleshoot challenges in distributed systems and … architectures. Background in distributed systems, OOP, and networking fundamentals. Cloud environment experience (AWS, GCP, etc.), plus Docker/Kubernetes and CI/CD. Proven track record optimising apps for performance, memory, and scalability. SQL/NoSQL database experience, including deployment and integration. Knowledge of messaging systems (Kafka, RabbitMQ, Pub/Sub). Excellent communication and analytical skills. Nice to More ❯

deliver new features from concept to production. This role offers the opportunity to shape the backend systems at the core of cutting-edge AI, with a strong focus on performance, reliability, and security. Key Responsibilities Architect and evolve scalable backend services in Python (FastAPI/Django/Flask). Design and operate RESTful APIs aligned with OpenAPI/Swagger. … Implement authentication and authorization (OAuth2/OIDC, permissions, session management). Optimise relational database design and performance (PostgreSQL). Introduce caching, rate limiting, and queuing to meet performance goals. Integrate with AI pipelines and model-serving endpoints (async inference, streaming). Containerise services with Docker; maintain IaC with Terraform/CloudFormation. Operate services on AWS with CI/… offs to stakeholders. Requirements 5+ years' backend development with Python (Django or Flask). Proven experience designing, scaling, and operating production REST APIs. Deep expertise in relational database design, performance tuning, and migrations (PostgreSQL). Strong knowledge of Docker, Git workflows, and AWS core services (EC2, VPC, IAM, S3, ALB/ELB, ECR/ECS). Familiarity with 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 ❯

of MongoDB architecture, including sharding, replication, and indexing Experience working with MongoDB Atlas or self-managed clusters Proficiency with Linux systems and shell scripting Familiarity with monitoring tools and performance tuning techniques Experience with backup and disaster recovery processes Review the current Debezium deployment architecture, including Oracle connector configuration, Kafka integration, and downstream consumers. Analyze Oracle database setup … for CDC compatibility (e.g., redo log configuration, supplemental logging, privileges). Evaluate connector performance, lag, and error handling mechanisms. Identify bottlenecks, misconfigurations, or anti-patterns in the current implementation. Provide a detailed report with findings, best practices, and actionable recommendations. Optionally, support implementation of recommended changes and performance tuning. What we require from you 4+ years of experience More ❯

points if you have experience with: Data warehouse platforms like Snowflake Python or similar scripting for tooling and automation DevOps practices (CI/CD pipelines, monitoring, log management) SQL performance tuning and data modelling concepts Please note: My client cannot offer sponsorship and can only accept candidates with the right to work in the UK . Contact: Matt More ❯

thinking engineering team where you’ll make a real impact. You’ll play a key role in architecting, building, and optimising telecommunications systems in Rust , contributing to secure, high-performance, and scalable solutions used worldwide. What you’ll be doing As a Senior Rust Developer , you will: Architect, develop, and maintain high-performance network applications in Rust Collaborate … with product managers, network engineers, and developers to create new telecom solutions Optimise existing systems for performance, reliability, and scalability Ensure compliance with telecom standards and best practices Research and integrate new protocols, libraries, and frameworks Mentor junior developers, conduct code reviews , and drive best practices Troubleshoot and resolve production issues with sustainable fixes Stay on top of emerging … telecom protocols (SIP, RTP, VoIP, 4G/5G, IMS, Diameter, SS7, etc.)Experience with distributed systems, real-time communications, or network services Solid grasp of concurrency, memory management, and performance tuning in Rust Excellent troubleshooting and debugging skills Nice to haves Experience with Docker, Kubernetes, CI/CD , and cloud platforms Familiarity with telecom compliance standards Exposure to More ❯

edge technologies in storage, virtualisation, and cloud infrastructure. Key Responsibilities: Install, configure, and manage Linux servers (RHEL, CentOS, Ubuntu, Oracle Linux) using automation where possible Maintain high availability and performance of Data Centre and Cloud systems, minimising disruption due to change or incidents Configure, manage, and monitor SAN storage, Blade Server infrastructure, and related hardware Administer VMware environments (vSphere … ESXi, vCenter), including VM deployment, migration, snapshots, and performance tuning Configure and maintain Data Protection platforms such as Commvault, Dell EMC Networker, and Zerto Collaborate with DBA, Network, Application, Systems, and Service Desk teams on projects, upgrades, migrations, and architecture improvements Conduct regular Disaster Recovery (DR) testing and maintain comprehensive DR documentation Monitor system performance, carry out More ❯

It is hybrid and will require 3x days onsite per week. You will be responsible for the design, optimize, and maintain Oracle-based data warehouse solutions to ensure high performance, scalability, and alignment with business intelligence and analytics needs. You will have proven experience reviewing and optimizing Oracle data warehouse environments, conducting performance tuning, indexing strategies and … partitioning. Skills: Deep understanding of Oracle data warehouse architecture and performance optimization. Strong knowledge of relational and OLAP modelling principles. Advanced SQL and PL/SQL skills (Oracle 11g/12c or later). Familiarity with data profiling, data quality assessment, and metadata management. Experience identifying and implementing improvements in data warehouse performance, structure, and scalability. More ❯

DevOps practices (CI/CD, Docker, AWS). Comfortable balancing hands-on coding with leadership. Nice to Have Background in trading, energy, or financial systems. Multi-tenant SaaS patterns. Performance tuning for high-traffic, time-series systems. Why Join Mission-driven role with a direct impact on renewable energy markets. Work with modern technologies (Rust, React, TypeScript, cloud More ❯

source-controlled, continuous integration (CI) environment. Background in the finance or pensions sector, with an understanding of industry-specific requirements and practices. Proficient in SQL Server query optimisation, including performance tuning and the implementation of efficient indexing strategies. What You Will Be Doing Designing and implementing Web APIs to support a well-established Pensions Administration platform Conducting thorough More ❯

source-controlled, continuous integration (CI) environment. Background in the finance or pensions sector, with an understanding of industry-specific requirements and practices. Proficient in SQL Server query optimisation, including performance tuning and the implementation of efficient indexing strategies. What You Will Be Doing Designing and implementing Web APIs to support a well-established Pensions Administration platform Conducting thorough More ❯

in configuration of integrated applications (Java/REST). Deliverables Configure new OTDS installation and migrate existing data. Perform index migration/rebuild as required. Conduct fault finding and performance tuning. Carry out functional testing of business-specific processes. Support all software during delivery into production, including formal handover with documentation to the support team. Provide input to project More ❯

thinking engineering team where you’ll make a real impact. You’ll play a key role in architecting, building, and optimising telecommunications systems in Rust , contributing to secure, high-performance, and scalable solutions used worldwide. You’ll collaborate closely across DevOps, API (Java), front-end, and database teams, and be empowered to drive meaningful architectural and reliability improvements. What … You’ll Do Build and scale : Develop production-grade features in Rust (or onboard quickly if transitioning from C/C++). High-availability focus : Help ensure uptime and performance in a real-time, mission-critical telecom platform. Collaborate broadly : Work across disciplines to improve stability, maintainability, and scalability. Mentor and learn : Benefit from peer mentoring, and share your … are very welcome. Telecommunications or comparable high-availability background Ideal: SIP, VoIP, 5G, or telecom protocol knowledge. Alternatively: experience in sectors like fintech, trading, or infrastructure where reliability and performance are paramount. Low-level systems and distributed systems know-how Familiar with designing or optimizing scalable, performance-critical platforms under pressure. Experts in one area who can learn More ❯

driven decision-making across our insurance business. What you’ll do: Design and manage scalable cloud data platforms (Databricks on AWS) across development, staging, and production environments, ensuring reliable performance and cost efficiency. Integrate and model data from diverse sources – including warehouses, APIs, marketing platforms, and operational systems – using DBT, Delta Live Tables, and dimensional modelling to deliver consistent … fraud, ensuring consistency and alignment with business metrics Deep practical knowledge of semantic layer design and implementation using DBT, SQL, and Delta Live Tables Strong background in building high-performance, scalable data models that support self-service BI and regulatory reporting requirements Direct exposure to cloud-native data infrastructures (Databricks, Snowflake) especially in AWS environments is a plus Experience … ready and vector-optimised datasets Demonstrated capability to collaborate successfully with interested parties in data engineering, analytics, architecture, and business teams Advanced SQL skills and a keen focus on performance tuning, data integrity, and reusable compose patterns across data products Additional Information What’s in it for you?: Competitive salary that reflects your skills, experience and potential. Discretionary More ❯

consultants, and technical teams to ensure seamless, scalable, and secure system interoperability. Key Responsibilities: Architect and lead the end-to-end integration strategy for Oracle Fusion Cloud applications, ensuring performance, scalability, and security. Design and implement integration solutions between Oracle Cloud (ERP, HCM, SCM, etc.) and other enterprise systems (on-premise, third-party, and cloud-based). Provide technical … best practices and compliance with enterprise architecture standards. Collaborate with stakeholders to gather and translate business requirements into scalable integration solutions. Oversee technical delivery, including solution design, code review, performance tuning, and deployment strategy. Act as a trusted advisor to leadership on Oracle Cloud architecture, integration best practices, and emerging technologies. Guide and mentor junior architects, developers, and More ❯

on accurate insights Working with SQL, DAX, and ETL tools to transform data into actionable intelligence Engaging with stakeholders at all levels to identify KPIs and streamline reporting Supporting performance tuning, continuous improvement, and adoption of BI tools What we’re looking for: Strong skills in SQL, Power BI, and DAX Experience with ETL processes (SSIS, Python, or More ❯