1 to 25 of 48 Performance Tuning Jobs in the South East

Senior Azure SQL Database Administrator

Hiring Organisation
Clarksons
Location
Slough, Berkshire, UK
Employment Type
Full-time
managed using modern DevOps and Infrastructure as Code (IaC) practices with Terraform. You'll act as a technical leader across key areas such as performance tuning, automation, monitoring, migrations, CI/CD, and Azure Landing Zone (ALZ) adoption. You'll also collaborate closely with cross-functional teams … Monitor, Log Analytics, and custom dashboards. Write and optimise Kusto Query Language (KQL) queries for diagnostics and analytics. Support, Troubleshooting & Leadership Provide expert-level performance tuning, query optimisation, and incident troubleshooting. Lead SQL Server upgrades, migrations, and implementation of disaster recovery (DR) and high availability (HA) solutions. Conduct ...

API Platform Architect (.Net, APIM, Azure, Kubernetes)

Hiring Organisation
Insight International (UK) Ltd
Location
Slough, Berkshire, UK
Employment Type
Full-time
registries Ingress controllers, API gateways, service mesh, and traffic policy enforcement Observability (Prometheus, Grafana), log pipelines, distributed tracing High availability, cluster upgrades, autoscaling strategy, performance tuning Lead advanced troubleshooting (pods, networking, DNS, controllers, storage, ingress). 5. Azure API Management (APIM) & API Security Deep hands-on expertise … lifecycle, including APIOps automation, environment promotion, deployment versioning, api backend health check frameworks, and rollback strategies. Implement API analytics, distributed tracing, alerts, performance tuning, and troubleshooting. 6. Reliability Engineering & Platform Operations Lead root-cause analysis, high-severity incident resolution, and resilience improvements. Ensure uptime, performance, and reliability ...

MS Dynamics Developer (Power Automate / Dynamics 365 F&O) - SC Cleared

Hiring Organisation
MLC Partners
Location
London, South East, England, United Kingdom
Employment Type
Temporary
Salary
£425 - £500 per day
Power Apps (low-code) and incorporate AI features where appropriate to enhance F&O processes; evaluate new platform capabilities. Provide 3rd-line support , performance tuning, and bug fixes; support user training and produce support documentation. Consult with stakeholders on technical/functional design; explain complex topics clearly … extension models , upgrade strategies, coding standards, and maintainability best practices. Experience with unit testing , code reviews , technical documentation , and UAT . Proven maintenance & performance tuning for Dynamics 365 applications. Excellent communication skills; able to translate complex technical concepts for non-technical stakeholders. Experience working in Agile/Scrum ...

Senior ABAP Developer

Hiring Organisation
Omega Resource Group
Location
St. Albans, Hertfordshire, South East, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
£400 - 500 per day
Development Team. Job Role – Senior SAP ABAP Developer Reporting to the Development Operations Manager the Senior ABAP Developer shall design and develop robust, high-performance code that meets stringent quality standards, ensuring successful delivery of both projects and BAU solutions. Lead a team of ABAP developers with excellent communication … solving, and stakeholder management skills Duties – Senior SAP ABAP Developer • Design & Development: Produce high-quality OO ABAP solutions, including classes, interfaces, and frameworks, ensuring performance, maintainability, and adherence to coding standards. • Functional Translation: Collaborate with functional consultants to translate requirements into technical specifications and deliver developments across various functional ...

Senior Data Engineer

Hiring Organisation
JSS Search
Location
Slough, Berkshire, UK
Employment Type
Full-time
analytical and operational needs. Collaborate with data analysts, data scientists, and business stakeholders to understand requirements and deliver robust data solutions. Troubleshoot data discrepancies, performance issues, and system errors. Ensure compliance with data security, governance, and regulatory standards. Support and enhance existing data engineering processes and platforms. Essential Skills … Knowledge SQL Server Proficiency: Strong expertise in Microsoft SQL Server and SQL. Skilled in querying, performance tuning, and database optimisation. Data Warehousing & Modelling: In-depth understanding of data warehousing principles and modelling concepts. Experience with designing efficient schemas, including normalisation and denormalisation techniques. ETL/ELT Pipelines: Proven ...

Microsoft Power Platform Architect

Hiring Organisation
Stackstudio Digital Ltd
Location
Wokingham, Berkshire, South East, United Kingdom
Employment Type
Contract
Contract Rate
From £500 to £510 per day
Functions, Logic Apps, Service Bus, API Management, Event Grid), Microsoft 365, and line-of-business systems via custom connectors Optimize Dataverse schema, relationships, and performance; manage large datasets, virtual tables, and row-level security Ensure data quality, telemetry, and Power BI analytics alignment with semantic models and governance Delivery … with product owners to translate business outcomes into platform capabilities and technical backlog items Manage solution risk, cost, timeline, and non-functional requirements (scalability, performance, reliability, supportability) Platform Enablement & CoE Establish and evolve the Power Platform Center of Excellence (CoE), including standards, accelerators, templates, guardrails, and training paths Drive ...

Senior Java Software Engineer

Hiring Organisation
Salt
Location
Slough, Berkshire, UK
Employment Type
Full-time
SpringBoot skills Experience of developing and deploying on Unix or Linux Hands-on experience of using the Kafka ecosystem Experience of profiling and performance tuning Experience of Behaviour-Driven and Test-Driven development principles and skills Experience of Public Cloud development Desirable Skills: Working in an Agile development ...

Full-Stack Software Engineers SC/DV Cleared — Multiple Openings

Hiring Organisation
Areti Group | B CorpTM
Location
Slough, Berkshire, UK
Employment Type
Full-time
consuming RESTful APIs; JSON schemas; integration testing. Comfortable in AWS and modern Infrastructure-as-Code approaches. Strong engineering fundamentals: code reviews, testing, observability, performance tuning. Security Clearance: Active SC or DV (must be current). Nice-to-haves Military background (RAF/Army/Navy) or delivery in defence ...

ServiceNow Architect

Hiring Organisation
IBU CONSULTING LTD
Location
Berkshire, South East, United Kingdom
Employment Type
Contract
state vision, uncover requirements, constraints, and opportunities. Design end-to-end ServiceNow solutions and technical architectures that align with organizations strategic goals, considering scalability, performance, security, maintainability, integrations, data model, and user experience. Define roadmap(s) and solution intent/blueprints: translate business goals into architecture, technology decisions, module … instance strategy, environment strategy, upgrade/migration plans. Support presales/proposal efforts by scoping, estimating, and designing reference architectures. Participate in operational considerations: performance tuning, capacity planning, availability, disaster recovery, security compliance. Stay up to date with new ServiceNow features, modules, trends (e.g., AI/ML, data ...

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 ...

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 ...

Back end Engineer

Hiring Organisation
Lorien
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
Salary negotiable
Docker; deploy to AWS and/or PCF on-prem. Responsibilities Own services end-to-end: design, implement, test, deploy, operate. Data modelling, migrations, performance tuning, resilient integrations. Observability (metrics/logs/traces), SLOs. Nice-to-have Experience with the DWS parent and NatWest platform standards … NatWest engineering standards and governance. Ability to deliver microservices in Python when needed (FastAPI/Django). Terraform/IaC, EKS, service meshes, Postgres performance, Kafka. Guidant, Carbon60, Lorien & SRG - The Impellam Group Portfolio are acting as an Employment Business in relation to this vacancy. ...

Linux / Oracle Systems Administrator

Hiring Organisation
Robert Half
Location
South East London, London, United Kingdom
Employment Type
Temporary, Work From Home
Month Fixed Term Contract for a Global Financial services Organisation. Responsibilities: Administer and optimise Oracle databases for core banking applications, ensuring high availability, performance, and security. Manage and maintain Linux and AIX servers hosting financial systems. Perform OS and database upgrades, patching, and performance tuning. Collaborate with senior … call support and incident response for production environments. Document procedures, configurations, and operational runbooks. Experience: 7+ years in Oracle DBA roles (including RAC, ASM, performance tuning) Strong command of SQL and Oracle PL/SQL. 5+ years with Linux (RHEL/Oracle Linux) and AIX. Experience with ...

SQL Database Administrator (DBA)

Hiring Organisation
DGH Recruitment
Location
Chelmsford, Essex, South East, United Kingdom
Employment Type
Permanent
Influence database architecture for efficiency and reliability. * Design and implement database solutions, integrations, and data extracts. * Support data analytics and reporting needs. * Advise on performance tuning for internal and external systems. * Contribute to backup and disaster recovery strategies. * Provide third-line support for incidents and requests. * Communicate with … technical/support teams in high-pressure environments. * Expertise in Microsoft SQL Server (On-Premises and Azure variants). * Database management focusing on security, performance, scaling, and cost optimization. * Backup strategies, integrity checks, and index maintenance. * Custom integrations using T-SQL, functions, and stored procedures. * Performance troubleshooting using ...

Rust Developer

Hiring Organisation
Jonothan Bosworth
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£70,000 - £75,000 per annum
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 ...

AI Technical Architect

Hiring Organisation
Akkodis
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£65,000 - £95,000 per annum
organisations with a strong focus on architecture and enterprise solutions 5+ years as a Technical Architect with hands-on experience in: MongoDB - schema design & performance tuning Redis - caching & high-speed data access Elasticsearch - search & indexing strategies Other modern data technologies for fast storage and retrieval Strong expertise ...

Solutions Architect

Hiring Organisation
Tata Consultancy Services
Location
Slough, Berkshire, UK
Employment Type
Full-time
Evaluate and optimize retail infrastructure, including networks, servers, and databases, to support efficient and reliable operations across multiple retail locations. Implement best practices for performance tuning, capacity planning, and disaster recovery. • Manage Retail Data and Analytics: Oversee the collection, analysis, and interpretation of retail data to derive actionable … insights for decision-making. Develop data models and reporting frameworks to track key performance indicators (KPIs) related to sales, inventory, customer behavior, and market trends. • Collaborate with Cross-Functional Teams: Work closely with cross-functional teams such as merchandising, marketing, finance, and operations to understand business requirements and translate ...

Azure Data Architect

Hiring Organisation
ARC IT Recruitment
Location
Brighton, Sussex, United Kingdom
Employment Type
Permanent
Salary
GBP 80,000 - 90,000 Annual
ensure seamless integration with various data sources. Implement data governance and security best practices. Provide technical leadership and guidance to the development team. Conduct performance tuning and optimization of data processes. Skills required: Proven experience as a Data Architect working within Azure. Expertise in Azure Databricks and Azure ...

Azure Data Architect

Hiring Organisation
ARC IT Recruitment Ltd
Location
Brighton, East Sussex, South East, United Kingdom
Employment Type
Permanent
Salary
£90,000
ensure seamless integration with various data sources. Implement data governance and security best practices. Provide technical leadership and guidance to the development team. Conduct performance tuning and optimization of data processes. Skills required: Proven experience as a Data Architect working within Azure. Expertise in Azure Databricks and Azure ...

Cloud Engineer

Hiring Organisation
Calobra
Location
Slough, Berkshire, UK
Employment Type
Full-time
workloads (AWS Lambda) Provide 3rd line support and escalation for complex infrastructure issues Optimise and maintain cloud-managed network environments Implement monitoring, alerting, and performance tuning to ensure platform reliability Collaborate with architects, developers, and security teams to align infrastructure with business requirements Maintain and optimise Linux-based ...

Cloud Platform Engineering Lead / DevOps Lead

Hiring Organisation
KBC Technologies UK LTD
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
Salary negotiable
Code and modern CI/CD . Embed secure-by-design principles from architecture to runtime. Define and manage SLOs/SLIs ; drive observability, performance tuning, and automation. Promote API-first delivery , creating reusable patterns and golden paths. Mentor engineers and actively contribute to communities of practice. Core ...

Cloud BI & Analytics Consultant - Looker SME

Hiring Organisation
KBC Technologies UK LTD
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
Salary negotiable
with executive-level customers. Required Qualifications 5+ years working with Looker and BigQuery. Strong proficiency in advanced LookML and semantic modelling. Experience in Looker performance tuning and model optimisation. Proven ability to develop complex dashboards with cross-filters, custom filters, and custom visualisations. Experience with governance, access management ...

Interim Power BI Specialist

Hiring Organisation
First Mile | Certified B Corp
Location
Slough, Berkshire, UK
Employment Type
Full-time
experience building Power BI reports end-to-end. Good knowledge of SQL and combining data from multiple sources. Skilled in DAX, data modelling, and performance tuning. Experience with Actual vs Forecast vs Budget reporting. Able to work independently and deliver quickly in a short timeframe. Good communication skills ...

Senior Platform Engineer

Hiring Organisation
Busuu
Location
Slough, Berkshire, UK
Employment Type
Full-time
learning new things on the fly. Nice to have Experience supporting AI/ML workloads (model deployment, scalability, observability). Expertise in database performance tuning. Experience working remotely in distributed teams. At Busuu we want to ensure that you have access to some great benefits: Our centrally located offices ...

L2 IT Infrastructure & Managed Services Engineer

Hiring Organisation
RMSI
Location
Slough, Berkshire, UK
Employment Type
Full-time
Responsibilities A. Server & Virtualization Manage and support Windows & Linux servers (installation, configuration, patching, troubleshooting). Working knowledge of handling cloud infrastructure. Perform OS hardening, performance tuning, user/group management, and backup validation. Handle Active Directory, DNS, DHCP, Group Policies, File Server, Print Server. B. Network Infrastructure Troubleshoot … port security, VPN, WAN technologies. Support configuration of routers, L2/L3 switches, firewalls (Cisco, Fortinet, Sophos, Palo Alto—any applicable). Monitor network performance and escalate complex cases to L3 when required. C. Cloud & Backup Support cloud platforms: Microsoft 365, Azure, or AWS (as applicable). Manage user ...