26 to 50 of 161 Performance Tuning Jobs in England

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 ❯

products and platforms perform at their best, understanding how our software interacts with both physical and Cloud infrastructure to deliver exceptional messaging solutions. Responsibilities Maintaining high levels of system performance through monitoring and performance tuning Implementing scalability and fault tolerance Automating processes and improving operational efficiencies Troubleshooting application and middleware challenges Collaborating with engineering teams to support 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 ❯

on IAM best practices. Deliver technical documentation including design specs, configuration guides, and user manuals. Support & Optimization Troubleshoot and resolve complex IAM issues. Perform system health checks, upgrades, and performance tuning. Mentor junior consultants and support knowledge transfer to client teams. Required Skills & Experience: Technical Expertise Experience in IAM, with expeirnece hands-on with NetIQ products. Deep knowledge of More ❯

monitor, and optimize adaptive and predictive models. * Data Flows & Sets: Develop and configure data flows, data sets, and data transform rules to support the decisioning and reporting requirements. * Troubleshooting & Performance: Actively participate in performance tuning, simulation testing, and validation of decisioning logic. Debug and troubleshoot the NBA framework and associated components. 3. Leadership & Collaboration: * Technical Leadership: Provide 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 ❯

FinTech) Location: London (Hybrid) Are you an experienced Java Developer with a passion for working on cutting-edge, low-latency systems? Join a dynamic and innovative fintech, delivering high-performance solutions in the world of financial markets. We're looking for a talented Mid/Senior Java Developer to contribute to our mission of building the fastest, most reliable … systems in the industry. What You'll Do: Design, develop, and maintain high-performance, low-latency Java applications for mission-critical trading systems. Work on optimising throughput and minimizing latency to meet the demands of real-time financial markets. Collaborate with cross-functional teams to deliver scalable solutions that handle large volumes of data with minimal delay. Troubleshoot and … resolve performance bottlenecks and implement solutions that enhance system reliability. Participate in full SDLC, from technical design through to testing, deployment, and monitoring. What You'll Bring: 5+ years of professional Java development experience, with a focus on performance and low-latency applications. Strong knowledge of multithreading, concurrency, and memory management in Java. Experience with low-level performance More ❯

deploy ETL packages using SSIS to extract, transform, and load data from multiple sources into data warehouses, data marts, or operational systems. Optimize and troubleshoot existing SSIS packages for performance, scalability, and reliability. Develop and maintain SQL queries, stored procedures, functions, and views to support ETL and reporting processes. Implement error handling, logging, and auditing within SSIS packages. Schedule … data flows, and technical designs. Required Qualifications Proven hands-on experience with Microsoft SQL Server Integration Services (SSIS) . Strong knowledge of T-SQL (queries, stored procedures, functions, indexing, performance tuning). Experience working with relational databases (SQL Server, Oracle, etc.) and flat file/CSV/XML/JSON data sources. Strong understanding of ETL design patterns More ❯

be doing: As a Senior Data Engineer, you will play a key role in shaping and delivering enterprise-wide data solutions that translate complex business requirements into scalable, high-performance data platforms. In this role, you will help define and guide the structure of data systems, focusing on seamless integration, accessibility, and governance, while optimising data flows to support … distributed storage solutions Proficiency in Python, PySpark, SQL, NoSQL, and data processing frameworks (Spark, Databricks) Expertise in ETL/ELT design and orchestration in Azure, as well as pipeline performance tuning & optimisation Competent in integrating relational, NoSQL, and streaming data sources Management of CI/CD pipelines & Git-based workflows Good knowledge of data governance, privacy regulations, and More ❯

be doing: As a Senior Data Engineer, you will play a key role in shaping and delivering enterprise-wide data solutions that translate complex business requirements into scalable, high-performance data platforms. In this role, you will help define and guide the structure of data systems, focusing on seamless integration, accessibility, and governance, while optimising data flows to support … distributed storage solutions Proficiency in Python, PySpark, SQL, NoSQL, and data processing frameworks (Spark, Databricks) Expertise in ETL/ELT design and orchestration in Azure, as well as pipeline performance tuning & optimisation Competent in integrating relational, NoSQL, and streaming data sources Management of CI/CD pipelines & Git-based workflows Good knowledge of data governance, privacy regulations, and 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 ❯

ll be responsible for: Investigating and resolving technical incidents, ensuring minimal downtime and effective root cause analysis Proactively maintaining and optimising applications, performing upgrades and configuration changes Monitoring system performance, defining service-level objectives, and addressing bottlenecks before they impact users Collaborating closely with engineering and business teams to drive operational excellence Enhancing processes, documentation, and tooling to support … looking for: Proven experience in an application support or support engineering role, within financial services ideally, or another regulated environment Strong knowledge of SRE principles, incident management, monitoring, and performance tuning Hands-on technical skills across a broad range of technologies, including: Microsoft: C#, VB, .NET Core, Azure, SQL Server, IIS, Windows Server Web: React, RESTful APIs, Docker More ❯

pipeline. Assist in setting up, configuring, and maintaining servers for optimal performance. Manage and deploy applications across various environments, ensuring system readiness and stability. Participate in system monitoring, troubleshooting, performance tuning to ensure system reliability and scalability. Finance Understanding: Have a solid understanding of finance principles, and financial markets. Engage with trading desk personnel to ensure that technological More ❯

skills. Preferred Skills Experience with containerization (Docker, ECS, EKS). Familiarity with CI/CD pipelines and DevOps tools (Jenkins, GitHub Actions). Knowledge of AWS cost optimization and performance tuning. Exposure to multi-cloud or hybrid cloud environments. Scripting skills (Python, Bash, PowerShell). Experience mentoring junior engineers and leading technical projects. Understanding of cloud computing models and 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 ❯

development to continuous operation. A deep understanding of the critical aspects of service scalability and high availability as well as monitoring and maintaining deployed features and services ensuring optimal performance and reliability. Database management systems experience including replication, high availability, performance tuning, and complex query optimization. A background in frontend development. Strong knowledge of container orchestration using More ❯

Database Administrator Engineer with strong Azure expertise to join our global IT team. You'll design, deploy, and optimise secure, scalable database environments in a cloud-native setting, driving performance, reliability, and automation. What you'll do: Design and maintain cloud-native database solutions. Implement backup/recovery, security, and compliance best practices. Monitor and optimise performance across … tools. Collaborate with engineering, security, and architecture teams. What we're looking for: 5+ years managing cloud infrastructure (Azure essential). Strong SQL, Python, and DevOps experience. Background in performance tuning, query optimisation, and security. Comfortable with Windows & Linux environments. Excellent problem-solving and collaboration skills. If you're keen to hear more, please apply here or reach 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 ❯

the role, an active UK*C DV Clearance is required for eligibility. Your day-to-day will consist of: Gathering and analysing statistics from operating systems and applications regarding performance tuning and error searching. Troubleshooting and providing solutions for technical issues across the stack. Be a part of system design consultation, platform management and capacity planning. Using well More ❯

RDBMS, graph databases) Ability to write quality, testable code and implement automated testing Experience with CI/CD techniques Background in consultancy or client-facing delivery environments Desirable Experience Performance tuning of data pipelines and queries Data visualisation and complex data transformation experience Understanding of data redaction and privacy implementations Participation in development or technology communities Benefits Competitive More ❯

. Full-stack skills in Core Java and REST APIs. Practical knowledge of multi-threading, event-driven programming, and memory optimization. Strong problem-solving and analytical abilities. Knowledge of performance tuning techniques. Familiarity with enterprise SDLC tools like JIRA and Confluence. Experience with CI/CD tools such as Git, Maven/Gradle, Jenkins/Bamboo, GitLab. Shell More ❯