151 to 175 of 471 Performance Tuning Jobs

Principal Software Engineer (DevOps)

Hiring Organisation
Oracle
Location
Portsmouth, Hampshire, 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
Wakefield, West Yorkshire, 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
Hemel Hempstead, Hertfordshire, 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
Wolverhampton, West Midlands, 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
Milton Keynes, Buckinghamshire, 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
Newcastle upon Tyne, 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
Doncaster, South Yorkshire, 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
York, North Yorkshire, 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
Brighton, East Sussex, 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
Stoke-on-Trent, Staffordshire, 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 ...

Software Engineer

Hiring Organisation
Uniting Ambition
Location
Manchester, United Kingdom
Employment Type
Permanent
Salary
£45000 - £60000/annum
reduce risk. Collaborate daily with product owners, designers and QA in an Agile team — mentor juniors and share best practices. Troubleshoot production issues, perform performance tuning and contribute to architecture decisions. Must-have (essential) Strong commercial experience with C#/.NET (MVC, Web API). Hands-on experience … React Testing Library) and TypeScript. Domain knowledge in fintech/healthcare/B2B SaaS (optional). Benefits & culture Competitive salary: £50k–£60k plus potential performance bonus. Hybrid working model — flexible remote days + collaboration days in the North West office. 25 days holiday (plus bank holidays) + option ...

Software Engineer

Hiring Organisation
Uniting Ambition
Location
Manchester, Lancashire, England, United Kingdom
Employment Type
Full-Time
Salary
£45,000 - £60,000 per annum
reduce risk. Collaborate daily with product owners, designers and QA in an Agile team — mentor juniors and share best practices. Troubleshoot production issues, perform performance tuning and contribute to architecture decisions. Must-have (essential) Strong commercial experience with C#/.NET (MVC, Web API). Hands-on experience … React Testing Library) and TypeScript. Domain knowledge in fintech/healthcare/B2B SaaS (optional). Benefits & culture Competitive salary: £50k–£60k plus potential performance bonus. Hybrid working model — flexible remote days + collaboration days in the North West office. 25 days holiday (plus bank holidays) + option ...

Senior Data Analyst

Hiring Organisation
Robotics technology LLC
Location
Montgomery, Alabama, United States
Employment Type
Any
Salary
USD Annual
prevent recurring issues. Communicate findings clearly to both technical and non-technical stakeholders. Track fixes and outcomes for audit/compliance documentation. Perform performance tuning and query optimization for high-traffic queries. Familiarity with SSIS especially modifying existing packages, understanding workflows, and debugging. Solid understanding of data structures … equal opportunity employer. All aspects of employment including the decision to hire, promote, discipline, or discharge, will be based on merit, competence, performance, and business needs. We do not discriminate on the basis of race, color, religion, marital status, age, national origin, ancestry, physical or mental disability, medical condition ...

DevOps Engineer (eDV Cleared)

Hiring Organisation
Oscar Associates (UK) Limited
Location
Cheltenham, Gloucestershire, South West, United Kingdom
Employment Type
Permanent
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 ...

SQL Database Administrator (DBA)

Hiring Organisation
Akkodis
Location
Leicester, Leicestershire, United Kingdom
Employment Type
Permanent
Salary
£45000 - £52000/annum
improving systems, and working collaboratively across teams. Key Responsibilities Maintain and manage SQL Server and Azure data environments Ensure data system security, patching, and performance tuning Support ETL services and data operations Analyse and remediate legacy data structures Contribute to transformation and change initiatives Identify opportunities to improve ...

Mainframe Consultant / Architect / Engineer

Hiring Organisation
Kyndryl
Location
South East, United Kingdom
Employment Type
Permanent
with strong knowledge of Windows, Linux, and enterprise applications. Experience with mainframe databases such as DB2, IMS, Adabas, Datacom, Supra, and understanding of database performance, tuning, and high availability. Familiarity with core mainframe subsystems and languages: z/OS, JCL, JES, RACF/ACF2, CICS, COBOL, PL/ ...

DevOps Engineer - Terraform

Hiring Organisation
Lorien
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
Salary negotiable
autoscaling and cost efficiency. Ensure robust AWS networking (VPC, Transit Gateway, PrivateLink, Route 53) and enforce security best practices. Drive incident response, monitoring, and performance tuning. Key Technologies: AWS (EKS, Fargate, EC2, S3) Terraform CloudFormation GitLab ArgoCD Docker Kubernetes Helm Cassandra OTel Grafana Splunk Karpenter Python Desirable: Experience with ...

Senior Developer

Hiring Organisation
Unimill Engineering Limited
Location
Swindon, Wiltshire, South West, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£70,000
Reporting Services (SSRS). Experience with ERP systems, preferably in manufacturing or aerospace industries would be desirable. Solid understanding of database design, optimisation, and performance tuning. Excellent problem-solving skills and attention to detail, strong communication and teamwork abilities. Preferred Qualifications Experience with CNC milling or aerospace manufacturing processes. ...

Java Software Engineer

Hiring Organisation
RedHolt
Location
London Area, United Kingdom
practices, and AI technologies. Implement scalable architectures, RESTful services, microservices, and integration layers. Produce clean, maintainable, and well-tested code. Perform debugging, optimization, and performance tuning. Client Engagement Collaborate with clients to gather requirements, define scope, and translate business needs into technical solutions. Present technical concepts clearly ...

Java Software Engineer

Hiring Organisation
RedHolt
Location
City of London, London, United Kingdom
practices, and AI technologies. Implement scalable architectures, RESTful services, microservices, and integration layers. Produce clean, maintainable, and well-tested code. Perform debugging, optimization, and performance tuning. Client Engagement Collaborate with clients to gather requirements, define scope, and translate business needs into technical solutions. Present technical concepts clearly ...

Unix Administrator

Hiring Organisation
Lorien
Location
Edinburgh, Midlothian, Scotland, United Kingdom
Employment Type
Contractor
Contract Rate
Salary negotiable
transactions across global markets. This position offers the opportunity to work on mission-critical systems in a highly regulated environment, ensuring stability, security, and performance of Unix-based platforms that underpin banking operations worldwide. Key Responsibilities Administer and maintain Unix/Linux systems across multiple environments. Implement and manage … system upgrades, patches, and performance tuning . Support the One Click Currency programme by ensuring robust infrastructure and seamless integration with banking applications. Monitor system health, troubleshoot issues, and provide root cause analysis. Collaborate with security and compliance teams to meet global banking standards. Automate operational tasks using ...

Data Engineer - £350PD - Remote

Hiring Organisation
Tenth Revolution Group
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£300 - £350 per day
processing patterns (CDC, watermarking, upserts) AWS Data Services Amazon S3: data lake architectures, partitioning strategies, lifecycle policies DynamoDB: data modeling, secondary indexes, streams, and performance optimization Amazon Redshift: foundational querying, integrations, and performance considerations AWS Lambda for scalable data processing and orchestration Amazon EventBridge for event-driven … decoupled data pipelines Vector Databases & Embeddings Strong understanding of vector database concepts, indexing strategies, and performance trade-offs Design and implementation of embedding generation pipelines Optimization techniques for semantic search and retrieval accuracy Effective chunking strategies for document ingestion and processing Experience with CockroachDB deployment and management is beneficial ...

Data Engineer - £350PD - Remote

Hiring Organisation
Tenth Revolution Group
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£300 - £350/day
processing patterns (CDC, watermarking, upserts) AWS Data Services Amazon S3: data lake architectures, partitioning strategies, lifecycle policies DynamoDB: data modeling, secondary indexes, streams, and performance optimization Amazon Redshift: foundational querying, integrations, and performance considerations AWS Lambda for scalable data processing and orchestration Amazon EventBridge for event-driven … decoupled data pipelines Vector Databases & Embeddings Strong understanding of vector database concepts, indexing strategies, and performance trade-offs Design and implementation of embedding generation pipelines Optimization techniques for semantic search and retrieval accuracy Effective chunking strategies for document ingestion and processing Experience with CockroachDB deployment and management is beneficial ...

Senior SQL & SSIS Data Engineer (Data warehouse)

Hiring Organisation
Adecco
Location
London, United Kingdom
Employment Type
Contract
this hands-on, technical position, you will take ownership of a significant portfolio of around 90 SSIS batch jobs. You'll dive deep into performance analysis, tackle existing technical debt, and implement best practises that will elevate our data operations. Your expertise will be crucial as we gear … exciting data warehouse migration from New York to London in 2026! Key Responsibilities Analyse and optimise SSIS ETL pipelines and batch jobs. Improve SQL performance through effective indexing and execution plans. Identify and resolve locking and blocking issues to enhance efficiency. Apply best practises to boost overall warehouse performance. ...

Oracle APEX Consultant

Hiring Organisation
Frontier Resourcing
Location
Leicester, 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 ...