13 of 13 Performance Tuning Jobs in the Thames Valley

Principal Java Engineer

Hiring Organisation
RE Partners
Location
Milton Keynes, England, United Kingdom
hybrid role is based in the UK 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 … with DevOps, Product, and QA teams to ensure production-grade solutions. Drive architectural changes, advocate for best practices, and provide mentorship to peers. Drive performance tuning, fault tolerance, and observability improvements across services. Required Skills & Experience: 10+ years of experience in Java development with a focus on performance ...

DBA - DV Cleared

Hiring Organisation
Hays
Location
Reading, Berkshire, South East, United Kingdom
Employment Type
Permanent
Salary
£600.0 - £650.0 per day + £600 day rate contract inside IR35
support, stability, and availability of Oracle databases. Key Responsibilities: Day-to-day administration of Oracle databases (11g/12c/19c) Database monitoring, performance tuning, and issue resolution Backup, restore, and recovery using RMAN Managing database security, users, roles, and access controls Supporting patching, upgrades, and routine maintenance … requests Essential Skills & Experience: Strong hands-on experience as an Oracle DBA Oracle Database administration (11g/12c/19c) Backup and recovery (RMAN) Performance tuning and troubleshooting Linux/Unix environments Experience working in secure or regulated environments Security Requirements: ACTIVE DV clearance (must be current ...

DBA - DV Cleared

Hiring Organisation
Hays Specialist Recruitment Limited
Location
Reading, Berkshire, England, United Kingdom
Employment Type
Full-Time
Salary
£600 - £650 per day
support, stability, and availability of Oracle databases.Key Responsibilities:Day-to-day administration of Oracle databases (11g/12c/19c)Database monitoring, performance tuning, and issue resolutionBackup, restore, and recovery using RMANManaging database security, users, roles, and access controlsSupporting patching, upgrades, and routine maintenanceWorking within secure, regulated environments … service requestsEssential Skills & Experience:Strong hands-on experience as an Oracle DBAOracle Database administration (11g/12c/19c)Backup and recovery (RMAN)Performance tuning and troubleshootingLinux/Unix environmentsExperience working in secure or regulated environmentsSecurity Requirements:ACTIVE DV clearance (must be current and transferable)UK national with ...

Senior Backend Engineer

Hiring Organisation
MarkIT Placements
Location
Didcot, Oxfordshire, South East, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£90,000
e.g. Celery, Redis Streams, Kafka) to enable scalable async workloads, retries, and fault-tolerant integrations. Design data models and optimise relational databases (PostgreSQL) for performance, partitioning, and horizontal scale. Introduce caching, rate limiting, and queuing to meet performance budgets and latency goals. Integrate with AI pipelines and model … with event-driven architectures. Proven experience designing and operating production REST APIs with OpenAPI/Swagger. Deep understanding of relational database design, indexing, performance tuning, and migrations (PostgreSQL). Proficiency with containerisation (Docker) and Git-based workflows. Experience with API versioning, security, documentation strategies, and automated testing. Strong ...

Senior Engineer Infrastructure Operations Linux

Hiring Organisation
SOLOS Consultants Ltd
Location
Buckinghamshire, United Kingdom
Employment Type
Contract
Contract Rate
GBP 469 - 602 Annual
platforms across both BAU operations and project delivery. The role will involve: Enterprise Linux administration and troubleshooting Supporting secure, highly available production environments Platform performance, stability and security management Infrastructure automation and environment improvement Supporting Linux-based development environments Containerisation of applications and services Working alongside infrastructure, network … Required Experience Candidates should demonstrate strong experience in: Enterprise Linux administration (RHEL/CentOS/Rocky Linux) Secure production infrastructure support Linux troubleshooting and performance tuning Automation tools such as Ansible, Bash or Python VMware virtualised environments Container technologies (Docker/Podman/Kubernetes beneficial) Infrastructure monitoring ...

Oracle Database Application Support Team Lead

Hiring Organisation
17918
Location
Wokingham, Berkshire, United Kingdom
associated application stacks. Perform and lead Oracle Database upgrades, patching, and software deployments in customer environments. Conduct 3rd line diagnostics and fault resolution, including performance tuning, data issues, backup failures, and application connectivity problems. Proactively review monitoring, capacity, performance, and backup metrics; implement corrective actions before customer … work and manage conflicting priorities. Translate complex technical issues into clear, practical explanations for customers and internal stakeholders. Provide recommendations to customers on stability, performance, resilience, and upgrade planning. Continuous Improvement & Automation Identify inefficiencies within the service and directly contribute to: Scripted maintenance Automated health checks Standardised deployment ...

Senior Ruby Engineer

Hiring Organisation
Runtime Group Ltd
Location
Reading, England, United Kingdom
MySQL, Redis, Elasticsearch Async Processing: Sidekiq, Resque Cloud & DevOps: AWS, Heroku, Docker, CI/CD pipelines, IaC Testing & Quality: RSpec, Capybara, TDD methodologies Security, performance tuning, and system hardening Responsibilities: Owns end-to-end system architecture, ensuring solutions are scalable, maintainable, and delivered at pace. Partners closely with ...

Senior Ruby Engineer - £110K

Hiring Organisation
Run-Time Group Ltd
Location
Reading, Berkshire, South East, United Kingdom
Employment Type
Permanent
MySQL, Redis, Elasticsearch Async Processing: Sidekiq, Resque Cloud & DevOps: AWS, Heroku, Docker, CI/CD pipelines, IaC Testing & Quality: RSpec, Capybara, TDD methodologies Security, performance tuning, and system hardening AI & LLMs: API integration, prompt engineering, AI-enhanced features and developer tooling Responsibilities: Provides hands-on technical leadership ...

Technical Lead - Ruby

Hiring Organisation
Run-Time Group Ltd
Location
Reading, Berkshire, South East, United Kingdom
Employment Type
Permanent
MySQL, Redis, Elasticsearch Async Processing: Sidekiq, Resque Cloud & DevOps: AWS, Heroku, Docker, CI/CD pipelines, IaC Testing & Quality: RSpec, Capybara, TDD methodologies Security, performance tuning, and system hardening AI & LLMs: API integration, prompt engineering, AI-enhanced features and developer tooling Responsibilities: Provides hands-on technical leadership ...

Communication Systems & DSP Engineer

Hiring Organisation
Mars Recruitment
Location
Oxford, Oxfordshire, United Kingdom
Employment Type
Permanent
Salary
£70000 - £80000/annum plus benefits
data-link layer algorithms for wireless communication systems; conducting system-level modelling and simulation in MATLAB/Python for algorithm development and performance analysis; implementing floating-point and fixed-point DSP algorithms in C/C++ for real-time embedded and SDR-based systems; designing, analysing, and optimising signal … environments; troubleshooting and resolving real-world PHY/DSP issues including RF impairments, timing/frequency synchronisation problems, numerical precision effects, and performance bottlenecks; working closely with systems, FPGA, RF, and software engineers to integrate and validate end-to-end wireless solutions; contributing to test planning, experimental evaluation, technical ...

Third Line Software Support Engineer

Hiring Organisation
VIQU IT Recruitment
Location
Milton Keynes, Buckinghamshire, South East, United Kingdom
Employment Type
Permanent
Salary
£55,000
line, application support, or software engineering role within a SaaS or enterprise software environment Strong SQL and T-SQL stored procedures, complex queries, performance tuning. Hands-on experience with Microsoft SQL Server and Azure in production. Some .NET/C# experience to read and debug code. The ability ...

Nutanix Engineer

Hiring Organisation
PRISM DIGITAL LIMITED
Location
Windsor, Berkshire, South East, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£90,000
underpins regulated, high-availability customer services. This is a production environment where reliability matters. Youll be involved in day-to-day platform operations, upgrades, performance tuning, incident response, lifecycle improvements and automation, while helping modernise the wider estate over time. Non-Negotiables Nutanix (strong hands-on production experience … infrastructure roles talk about scale, but this one genuinely has it. Youll be supporting critical hosted environments where uptime, resilience and performance are visible and valued. Theres also plenty to improve, from standardisation and lifecycle management through to automation and reducing operational risk. If you like meaningful infrastructure work ...

Senior Infrastructure Engineer

Hiring Organisation
PRISM DIGITAL LIMITED
Location
Windsor, Berkshire, South East, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£90,000
chain. Theyve built a strong reputation over decades for reliability and technical depth, and their hosting division runs customer environments where uptime, security and performance genuinely matter. This role sits in their Windsor office, where youll be part of an experienced infrastructure team supporting a sizeable hosted estate … virtualisation Prism management tools Linux and Windows server estates Compute and storage platforms Hosted customer environments Platform patching and upgrades Service monitoring and performance tuning Nice to Haves Experience supporting both Linux and Windows environments VMware to Nutanix migrations VMware vSphere Ansible/PowerShell/scripting Backup platforms ...