1 to 25 of 43 Performance Tuning Jobs in the South East

DBA Specialist

Hiring Organisation
Experis
Location
Winchester, Hampshire, United Kingdom
Employment Type
Contract
Contract Rate
£530 - £555/day
months + Security Clearance: Active SC or DV. Our client is seeking an experienced DBA Specialist , supporting critical database environments and ensuring the performance, availability, and security of key business systems. This is an exciting opportunity for a database professional with strong administration, performance tuning, automation … will be responsible for the design, implementation, maintenance, and optimisation of critical database systems. You will play a key role in ensuring database performance, resilience, and security while supporting high-availability environments. The successful candidate will be required to work onsite in either Leicester or Hursley five days ...

DBA Specialist

Location
Winchester, England, United Kingdom
months + Security Clearance: Active SC or DV. Our client is seeking an experienced DBA Specialist , supporting critical database environments and ensuring the performance, availability, and security of key business systems. This is an exciting opportunity for a database professional with strong administration, performance tuning, automation … will be responsible for the design, implementation, maintenance, and optimisation of critical database systems. You will play a key role in ensuring database performance, resilience, and security while supporting high-availability environments. The successful candidate will be required to work onsite in either Leicester or Hursley five days ...

Principal Java Developer

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 & Experienc e:10+ years of experience in Java development with a focus ...

Database Administrator – Basingstoke

Location
Basingstoke, England, United Kingdom
finance lending and savings accounts to a variety of customers. We are looking for an experienced Database Administrator to support the reliability, security and performance of our database estate. Working closely with our Lead Data Engineer, infrastructure teams and third-party DBA partner, you will help manage approximately … home. The role and what you’ll lead and deliver: This is a hands-on technical role where you will monitor database health, optimise performance, manage backup and recovery processes, investigate incidents and implement controlled database changes. You will also have the opportunity to contribute to the continued development ...

Senior Data Engineer

Hiring Organisation
Clearwater People Solutions
Location
Guildford, Surrey, United Kingdom
Employment Type
Permanent
Salary
£50000 - £60000/annum Plus Benefits
design, build, and optimisation of data architectures, models, warehouses, and data lake solutions that support reporting, analytics, and AI initiatives. Ensure solutions meet performance, scalability, and reliability standards across legacy and modern cloud platforms. Monitor and tune system, pipeline, and query performance. Continuously refine pipelines to enhance efficiency, reduce … control (Git) and the DevOps methodology. Ability to design, maintain, and optimise scalable ETL/ELT pipelines. Ability to troubleshoot complex data issues, monitor performance, and implement automated solutions. Strong analytical and problem-solving capabilities with an emphasis on performance tuning and scalability. Please apply as directed ...

Senior Software Engineer Python

Hiring Organisation
MarkIT Placements
Location
Didcot, Oxfordshire, South East, United Kingdom
Employment Type
Permanent, Work From Home
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 ...

Backend Developer

Location
Oxford, England, United Kingdom
platforms, including C#, .NET, SQL Server, and Azure. Experience designing and developing RESTful APIs, microservices, and distributed systems. Strong knowledge of database design, optimisation, performance tuning, and data modelling. Solid understanding of cloud technologies, secure API design, application security, networking concepts, authentication, authorisation, and API-based architectures. Experience ...

Senior Data Engineer

Location
Reading, England, United Kingdom
translate requirements into scalable technical solutions and reusable datasets that deliver measurable business value. Continuous Improvement & Strategic Contribution: Identify opportunities to improve platform performance, scalability and cost efficiency, while contributing to engineering standards, roadmap initiatives and the long-term growth of Primark's Data & Analytics capabilities. What … Engineering Best Practices: Experience withdbtCloud ordbtCore, including model development, testing, documentation, lineage, deployment workflows, CI/CD and version control practices. Data Quality, Performance &Optimisation: Strong understanding of data quality, observability, operational monitoring and performance tuning, with a focus on delivering reliable, scalable and cost-efficient data ...

Senior Data Engineer

Hiring Organisation
Eutopia Solutions Limited
Location
Andover, Hampshire, South East, United Kingdom
Employment Type
Permanent
Salary
£80,000
platforms. You will design, build and maintain scalable data solutions across Azure, SQL and Python , working on production data pipelines, data warehousing, modelling, platform performance and data quality. You will also contribute to technical design decisions and the continued evolution of the wider data platform. We are looking … strong experience across: Microsoft Azure data technologies Advanced SQL , including optimisation and performance tuning Python for data pipelines, automation and integrations Designing and supporting production data pipelines and data warehouses Data modelling and scalable data architecture Data quality, validation, monitoring and observability Git, code reviews, automated testing ...

Senior DevOps Engineer

Hiring Organisation
MarkIT Placements
Location
Didcot, Oxfordshire, South East, United Kingdom
Employment Type
Permanent
controls. Support the organisation's ongoing compliance and certification requirements. Reliability & SRE Establish and maintain observability across distributed systems. Develop proactive monitoring, alerting and performance-tuning strategies. Help maintain service-level objectives and platform availability. Investigate and resolve infrastructure and application incidents. Coordinate emergency changes, hot fixes … regular capacity and availability reviews. Identify opportunities for AWS cost optimisation. Make effective use of AWS Compute Optimizer, Savings Plans and Graviton . Balance performance, availability, security and cost when making infrastructure decisions. Governance & Compliance Support regular technical and security audits. Maintain infrastructure provenance and configuration records. Implement infrastructure ...

Senior Director of Corporate Applications

Hiring Organisation
Iris Software Group
Location
Slough, Berkshire, South East, United Kingdom
Employment Type
Permanent, Work From Home
Ensure billing systems integrate cleanly with CRM and ERP platforms to maintain a single source of truth for customer and revenue data. Application Reliability & Performance Use Datadog (or equivalent) monitoring to proactively detect issues, identify emerging trends, and deflect incidents before they impact the business. Own application performance tuning and capacity planning across the corporate applications estate, ensuring systems remain fast, stable, and reliable at scale. Establish clear incident management, escalation, and post-incident review processes for corporate systems. Track, analyse, and act on platform performance and reliability metrics, reporting on system health to business ...

SQL DBA - Security Cleared

Hiring Organisation
CBSbutler Holdings Limited trading as CBSbutler
Location
Basingstoke, Hampshire, United Kingdom
Employment Type
Contract
Contract Rate
£550 - £600/day
provide operational support and administration across a secure and business-critical SQL Server environment. The successful candidate will be responsible for the availability, performance, security, backup and recovery of SQL Server databases, working within a highly secure Defence environment. This is a hands-on role requiring strong technical … environments. Perform database administration, configuration, maintenance and troubleshooting. Manage backup and recovery , including backup strategies, restores and recovery testing. Monitor and optimise SQL Server performance , identifying bottlenecks and implementing tuning improvements. Support and maintain High Availability (HA) solutions and database resilience. Contribute to Disaster Recovery (DR) planning, testing ...

SQL Server Developer

Hiring Organisation
Reqwest Limited
Location
Dartford, Kent, South East, United Kingdom
Employment Type
Permanent, Work From Home
applications. Key responsibilities SQL Server database development Complex T-SQL development and optimisation Stored procedures, views and functions Relational database design and data modelling Performance tuning and troubleshooting Supporting database changes through development, test and production Working with developers and stakeholders on new systems and enhancements About … Server database development in production environments , including: Excellent T-SQL skills Strong SQL Server and SSMS experience Relational database design and data modelling Performance optimisation and troubleshooting Experience supporting business-critical applications Exposure to SQL Server Always On/high availability , SQL Server administration, source control, CI/ ...

TechOps Engineer

Hiring Organisation
Addition
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£400.00 per day
incident management, security remediation, CI/CD and automation. The Opportunity As TechOps Engineer, you’ll be responsible for the reliability, security and performance of complex UAT and production environments hosted on Azure. You’ll act as a senior escalation point for L2 and L3 incidents, diagnosing issues across … resilient and scalable production platforms by: • Building and supporting UAT and production environments within Microsoft Azure. • Performing hands-on RHEL administration, including hardening, patching, performance tuning and troubleshooting. • Acting as an escalation point for L2 and L3 incidents. • Leading root-cause analysis and implementing permanent fixes for recurring ...

Principal Java Engineer

Location
Wallingford, England, United Kingdom
architecture and technical direction across multiple products and services. Design, implement and review high-quality Java and full-stack solutions, APIs and integrations. Lead performance optimisation, scalability and resilience initiatives. Drive security best practices, vulnerability remediation and secure software development lifecycle (SDLC) practices. Work closely with Data, Operations, DevOps … complex production issues. Drive improvements in system observability, monitoring and operational performance. Ensure applications are designed and operated to meet reliability, availability and performance targets. Partner with Operations, DevOps and QA teams to maintain production stability and service quality. Embed a culture of operational excellence, continuous improvement and proactive ...

Senior Data Engineer

Location
Brighton, England, United Kingdom
engineering, with a track record of building and maintaining production pipelines and dbt projects at scale Advanced SQL skills: CTEs, window functions, LATERAL joins, performance tuning, and complex multi-source financial queries Production dbt experience: modular models, tests, documentation, and semantic metadata for both AI and BI consumers ...

Senior Data Engineer

Location
Farnborough, England, United Kingdom
engineering, with a track record of building and maintaining production pipelines and dbt projects at scale Advanced SQL skills: CTEs, window functions, LATERAL joins, performance tuning, and complex multi-source financial queries Production dbt experience: modular models, tests, documentation, and semantic metadata for both AI and BI consumers ...

SQA DBA specialist

Hiring Organisation
Sanderson Government and Defence
Location
Reading, Berkshire, South East, United Kingdom
Employment Type
Contract
looking for an experienced SQL DBA to join a growing team supporting critical SQL Server environments. You'll be responsible for ensuring database availability, performance, security, and resilience across enterprise systems. Key Responsibilities: Administer and support Microsoft SQL Server environments. Manage backup, recovery, and disaster recovery processes. Optimise database … performance and resolve issues proactively. Maintain high availability solutions and ensure system resilience. Implement security best practices and database governance. Automate database administration tasks using T-SQL and PowerShell . Monitor database health, capacity, and performance. Provide operational support and incident resolution. Key Skills Required: Strong SQL Server ...

3rd Line Support Analyst

Location
Camberley, England, United Kingdom
users. Provide guidance and training to 1st and 2nd line support staff to enhance their technical skills and improve overall service quality. Monitor system performance, identify bottlenecks, and implement optimisations to ensure optimal operation of IT services. Coordinate with external vendors and service providers to resolve hardware and software … access and cyber threats. Assess current and future IT infrastructure needs, ensuring resources are available to meet the demands of the enterprise. Analyse service performance data, identify areas for improvement, and implement solutions to enhance service quality and efficiency. Ensure IT operations comply with industry standards and regulations ...

MS Dynamics Developer

Location
Farnborough, England, United Kingdom
requirements into technical specifications. Develop and maintain integrations between D365 and other enterprise systems using APIs and middleware. Participate in system upgrades, patches, and performance tuning. Ensure code quality through unit testing and code reviews. Provide technical support and troubleshooting for D365 applications. Maintain documentation for customisations, configurations ...

Proofpoint Security Engineer

Location
Wokingham, England, United Kingdom
email authentication protocols: SPF DKIM DMARC Conduct threat analysis and provide recommendations to enhance email security posture. Perform platform upgrades, health checks, troubleshooting, and performance tuning. Collaborate with SOC, Security Operations, Infrastructure, and Microsoft 365 teams on security initiatives. Develop operational procedures, knowledge articles, and technical documentation. Support audits ...

Proofpoint SME- SC Cleared or SC Eligible

Hiring Organisation
Vallum Associates
Location
Wokingham, England, United Kingdom
DKIM o DMARC • Conduct threat analysis and provide recommendations to enhance email security posture. • Perform platform upgrades, health checks, troubleshooting, and performance tuning. • Collaborate with SOC, Security Operations, Infrastructure, and Microsoft 365 teams on security initiatives. • Develop operational procedures, knowledge articles, and technical documentation. • Support audits, compliance activities ...

Data Architect, UK

Location
Brighton, England, United Kingdom
analytics services, driving digital transformation and operational excellence. Pythian, a multinational company, was founded in 1997 and started by ensuring the reliability and performance of mission‐critical databases. We quickly earned a reputation for solving tough data challenges. We were there when the industry moved from on‐premises … tasks such as collecting, parsing, managing, analyzing, and visualizing very large datasets etc. Translating complex functional and technical requirements into detailed designs. Writing high‐performance, reliable and maintainable code. Develop test automation and associated tooling needed for the project. Work with project leads to understand testing requirements and lead ...

Senior AI Engineer

Location
Wokingham, England, United Kingdom
Gemini, etc.) and relevant frameworks (e.g., LangChain, LangGraph, Crew AI, or similar). Deploy, operate, and iterate on AI systems in production environments, including performance tuning and cost optimization. Design and build Retrieval-Augmented Generation (RAG) systems using embeddings, vector databases, and semantic search. Build and optimize prompts … components of the agentic applications, from backend logic to API integrations. Implement testing, evaluation and monitoring strategies for agentic systems to ensure performance, reliability, and safety, and effective reasoning, tool usage, and failure handling. Collaborate closely with product managers, designers, and other engineers to translate requirements into technical solutions. ...

Senior Ruby on Rails Developer

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: Owns end-to-end system architecture ...