101 to 125 of 146 Remote/Hybrid Performance Tuning Jobs

C# Oracle PL/SQL Developer Role

Hiring Organisation
GCS
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£400 - £415/day Inside IR35
code logic and database interactions. Key Skills & Requirements: Strong proficiency in C#/.NET and Oracle PL/SQL, including complex query analysis and performance tuning. Solid understanding of application server and Oracle database structures. Python scripting skills for automation or data analysis (desirable). Familiarity with data lineage ...

SIEM Application Engineer (Elastic Security) - Manchester, UK

Hiring Organisation
Randstad Digital
Location
Manchester, North West, United Kingdom
Employment Type
Contract
Contract Rate
£450 - £550 per day
detection rules based on the MITRE ATT&CK Framework , alongside implementing essential security controls like RBAC, encryption , and data governance to ensure regulatory compliance. Performance & Tuning Specialist: Deep technical skill in fine-tuning Elasticsearch indices and mappings and optimizing Logstash pipelines for maximum performance, throughput ...

SIEM Application Engineer (Elastic Security) - Birmingham, UK

Hiring Organisation
Randstad Digital
Location
Birmingham, West Midlands, United Kingdom
Employment Type
Contract
Contract Rate
£450 - £550 per day
detection rules based on the MITRE ATT&CK Framework , alongside implementing essential security controls like RBAC, encryption , and data governance to ensure regulatory compliance. Performance & Tuning Specialist: Deep technical skill in fine-tuning Elasticsearch indices and mappings and optimizing Logstash pipelines for maximum performance, throughput ...

Senior Software Developer

Hiring Organisation
LUMORA SOLUTIONS
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£60,000 - £85,000 per annum
debugging and secure development Experience working in complex or regulated environments is a plus What you’ll be doing: Designing and delivering scalable, high-performance backend features Working across the full SDLC, from design through deployment and optimisation Integrating systems with financial, transactional and market data APIs Supporting database … schema design, performance tuning and automation Why join: Build mission-critical software used by global organisations High ownership and real technical impact Supportive, collaborative engineering culture Clear long-term product vision and growth If you're interested in a short confidential chat, please get in contact, even ...

Azure Architect Linux

Hiring Organisation
Randstad Digital
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £550 per day
potential). This is a unique opportunity to own the end-to-end solutioning-from initial assessment to high-level design and hands-on performance tuning. The Role As the Technical Lead for a team of 5+ engineers, you will drive the strategy and delivery of Azure Landing Zones … architectural roadmaps. Migration Excellence: Leading On-prem to Cloud transitions using Azure Migrate . Linux Mastery: Deep-dive troubleshooting of networking, clusters, and kernel tuning (RHEL/CentOS focus). Security & Governance: Managing Azure Key Vault, IAM, and high-security UNIX environments. What You'll Bring Experience: 12+ years ...

SQL DBA - Local Authority Exp

Hiring Organisation
Lorien
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£500 per day
into technical troubleshooting, and can work confidently across SQL Server, scripting, and SSIS packages. Key Responsibilities Diagnose and resolve complex SQL Server issues including performance bottlenecks, blocking, query inefficiencies, and job failures Develop, review, and troubleshoot T-SQL scripts, stored procedures, indexes, and SQL Jobs Maintain and support SSIS … recovery models, and environment health monitoring Support patching, upgrades, and production deployments Work closely with application teams to analyse issues and implement fixes or performance improvements Ensure all database activities adhere to council security and compliance standards Provide clear documentation, runbooks, and knowledge transfer as needed Essential Skills & Experience ...

Backend Software Engineer / SRE Java JVM

Hiring Organisation
Client Server
Location
East London, London, United Kingdom
Employment Type
Permanent, Work From Home
driving improvements across the platform. You'll have a broad scope including hands-on coding (Java) to build tools and automation, incident response, observability, performance optimisation and operational excellence, working with large scale Java JVM distribution systems and message brokers such as Kafka and ActiveMQ, with … terrace, canteen and break out areas. About you: You have a strong Java software engineering background and a deep knowledge of JVM internals and performance tuning You have a good knowledge of Site Reliability Engineering and how to build scalable solutions to improve reliability, productivity and efficiency ...

Senior iOS Engineer

Hiring Organisation
Haystack
Location
Manchester Area, United Kingdom
design, development, and delivery of our iOS applications. You’ll work closely with product managers, designers, and backend engineers to build polished, high-performance, and scalable mobile experiences. What You’ll Do Lead the development of new features and improvements for our iOS app using Swift, SwiftUI … Collaborate with cross-functional teams to define, design, and ship new capabilities Review code, mentor junior engineers, and help uphold high engineering standards Ensure performance, quality, and responsiveness of the application Identify and fix bugs and performance bottlenecks Stay up to date with the latest iOS trends, tools ...

Snowflake Data Engineer

Hiring Organisation
Tenth Revolution Group
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£400 - £420 per day
advise on strategy , drive improvements , and deliver robust solutions . Key Responsibilities Design and implement data models that support business needs. Optimise performance across Snowflake and Matillion pipelines. Deliver hands-on solutions while advising on best practices . Collaborate with remote teams and communicate effectively. Bring fresh ideas … think outside the box . What We're Looking For Strong experience with Snowflake and Matillion . Solid understanding of data modelling and ETL performance tuning . Ability to challenge and improve processes , not just follow them. Excellent communication skills - confident and clear. A team player who fits ...

Mainframe Modernization - IBM DataPower Engineer

Hiring Organisation
DCV Technologies
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£575 - £625/day - Inside IR35
urgently looking for an IBM DataPower Engineer with mainframe Modernization experience. The successful candidate will be responsible for designing and implementing secure, high-performance integration solutions using IBM DataPower Gateway to expose mainframe services (CICS, IMS, DB2, MQ) as modern APIs (REST/JSON, SOAP). Enable legacy … XSLT/GatewayScript transformations and schema validations. Automate deployments via SOMA/REST APIs, CI/CD tools (Jenkins, Ansible). Ensure high availability, performance tuning, and compliance (PCI DSS, GDPR). Essential skills/knowledge/experience: Strong experience in IBM DataPower Gateway configuration and troubleshooting. Knowledge ...

Data Engineer - Inside IR35 - Remote

Hiring Organisation
Tenth Revolution Group
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£400 - £450 per day
transformation-heavy pipelines covering data profiling, cleansing, standardisation, conformance, and publishing Advanced SQL skills for data profiling, joins and merges, deduplication, anomaly detection, and performance tuning Strong scripting capability in Python for automation, parsing, rules engines, and data quality checks, with an emphasis on writing maintainable, well-structured ...

ServiceNow Technical Architect

Hiring Organisation
Stackstudio Digital Ltd
Location
United Kingdom
Employment Type
Contract
Contract Rate
From £550 to £575 per day
Flow Designer, and Integration Hub spokes. Familiarity with third-party integrations (Salesforce, SAP, Oracle, Azure, AWS). Experience in instance consolidation, upgrades, migrations, and performance tuning. Excellent communication and stakeholder management skills. Person Specification Client facing Communication Assertive Team leading ...

ServiceNow Technical Architect

Hiring Organisation
Focus on SAP
Location
London Area, United Kingdom
Orchestration, and Integration Hub spokes. Experience with third-party integrations (e.g. Salesforce, SAP, Oracle, AWS, Azure). Exposure to instance consolidation, upgrades, migrations, and performance tuning. Excellent stakeholder engagement, communication, and client-facing skills. If you are interested or would like to know more, please email jonathan.la@focusonsap.org with ...

Full-Stack Software Engineer

Hiring Organisation
Hatched Recruitment Group
Location
Birmingham, England, United Kingdom
.NET Create rich, interactive frontend experiences using Vue.js and TypeScript Work with PostgreSQL , Docker , and cloud infrastructure (AWS) Monitor and improve system reliability and performance Collaborate closely with product teams, customers, and founders Contribute to technical decisions, architecture, and engineering culture Who You Are Experienced in full-stack development … Skilled with C#/.NET, Vue.js, TypeScript, and PostgreSQL Comfortable with Docker, cloud deployment, and performance tuning Product-minded — you care about why you’re building something , not just how Confident discussing technical solutions with non-technical stakeholders Bonus if you have 3D/CGI experience (WebGL, Three.js ...

Database Engineer

Hiring Organisation
Searchability (UK) Ltd
Location
United Kingdom
Employment Type
Permanent, Work From Home
business operates in a highly data-driven environment, working closely with Product and Data Science teams to support an Educational AI pipeline. Data reliability, performance, and scalability are central to the platform, and this role plays a key part in maintaining and evolving the underlying data infrastructure. … intersection of database administration and software engineering. You'll be responsible for building and maintaining high-availability PostgreSQL environments, ensuring performance, security, backups, replication, and recovery are robust and reliable. Alongside this, you'll write production-quality Python to automate database operations, build bespoke tooling, and support the evolution ...

Adobe AEM Implementation Consultant

Hiring Organisation
ClearCourse
Location
City of London, London, United Kingdom
Employment Type
Contract, Work From Home
component libraries Migrate and restructure content while protecting URLs, redirects and SEO value Integrate AEM with Adobe Assets, Analytics, Target and Journey Optimizer Configure performance, caching and page load optimisation across sites Ensure governance, consistency and best-practice implementation Resolve technical build, integration and performance issues Work closely … component configuration Strong background in large-scale content migration and content modelling Experience integrating AEM with Adobe Experience Cloud products Strong understanding of performance tuning, caching and Core Web Vitals Solid technical SEO knowledge within AEM Experience working within governed enterprise AEM environments Confident communicator able to work ...

Adobe AEM Implementation Consultant

Hiring Organisation
ClearCourse
Location
London, South East, England, United Kingdom
Employment Type
Temporary
Salary
Salary negotiable
component libraries Migrate and restructure content while protecting URLs, redirects and SEO value Integrate AEM with Adobe Assets, Analytics, Target and Journey Optimizer Configure performance, caching and page load optimisation across sites Ensure governance, consistency and best-practice implementation Resolve technical build, integration and performance issues Work closely … component configuration Strong background in large-scale content migration and content modelling Experience integrating AEM with Adobe Experience Cloud products Strong understanding of performance tuning, caching and Core Web Vitals Solid technical SEO knowledge within AEM Experience working within governed enterprise AEM environments Confident communicator able to work ...

Data Engineer

Hiring Organisation
DCV Technologies Limited
Location
London, United Kingdom
Employment Type
Contract, Work From Home
contract role, ideal for specialists in secure API integration and legacy-to-digital transformation. The Role Youll design, build and support high-performance integration solutions using IBM DataPower Gateway, exposing core mainframe services as modern APIs. Working across hybrid environments, youll bridge z/OS applications with API platforms … backend platforms including MQ, Kafka and relational databases Support CI/CD automation using SOMA/REST APIs, Jenkins or Ansible Ensure high availability, performance tuning and regulatory compliance (e.g. PCI, GDPR) Required Skills Strong hands-on experience with IBM DataPower Gateway Proven mainframe integration experience (CICS ...

Oracle Developer - Batch Processing

Hiring Organisation
Sanderson Government and Defence
Location
Newcastle Upon Tyne, Tyne And Wear, United Kingdom
Employment Type
Contract
Contract Rate
GBP 600 - 650 Daily
Cleared Oracle Developer - Batch Processing & Performance Tuning Central Government Contract Duration: 12 Months Rate: £650 per day (Inside IR35 - all reasonable rates considered) Location: Newcastle or Manchester (predominantly remote with occasional on-site) Security Clearance: Active SC Clearance required We are looking for an experienced SC Cleared Oracle ...

Infrastructure & Application Engineer

Hiring Organisation
Nextech
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£50,000 - £60,000 per annum
moving change environments. What You'll Do Lead and support application migrations to modern platforms (cloud & on-prem) Own application lifecycle - deployment, configuration, upgrades & performance tuning Troubleshoot complex issues across servers, networks, databases & integrations Enhance monitoring, automation and resilience across core services Collaborate with vendors and internal teams ...

Lead AI engineer

Hiring Organisation
Tenth Revolution Group
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£90,000 - £110,000 per annum
hands-on with design decisions, code reviews and best practices. Working closely with product and design to turn ideas into real solutions. Evaluating LLM performance, tuning prompts and improving model safety. Helping shape the company's GenAI and agentic AI strategy. Benefits Salary up to £110,000 Hybrid ...

PHP Developer

Hiring Organisation
Tank Recruitment
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
Salary negotiable
Responsibilities Design, develop, and maintain PHP applications using Laravel Build and maintain RESTful APIs Work with MySQL and MongoDB, including schema design, optimisation, and performance tuning Develop and maintain systems within Linux-based dedicated server environments Configure and manage Apache and/or Nginx Manage hosting environments using ...

Storage NAS SME

Hiring Organisation
Experis
Location
Sheffield, South Yorkshire, United Kingdom
Employment Type
Contract
/SMB shares, quotas, snapshots, and replication. Integrate NAS with OpenShift via CSI drivers and automate provisioning. Plan and execute data migrations and performance tuning. Required Skills & Qualifications: Deep experience with NetApp/Isilon or equivalent. Strong TCP/IP, AD/LDAP, Kerberos, and Linux skills. Scripting/ ...

Senior C++ Software Developer - Up to £300k 1st Year Compensation - Elite Scaling FinTech Firm - London - Hybrid Working

Hiring Organisation
Hunter Bond
Location
London Area, United Kingdom
Role: Senior C++ Software Engineer Salary: Up to £300k Total Compensation 1st Year Comp Location: London (Hybrid) Key Focus: Low-level systems, performance tuning, and modern C++ An elite tech-driven firm is looking for a top-tier C++ Engineer to join their team! Known for breaking records … planet, processing billions of data points every second Dive deep into modern C++ at the systems level Contribute to building a high-performance database from the ground up Gain hands-on experience with hardware optimization, including FPGA cards Explore R&D projects in functional programming, using languages like Rust ...

IT Applications Analyst

Hiring Organisation
Larbey Evans
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£55,000 per annum
patching, and upgrades in coordination with change management procedures Manage user access controls, including provisioning, de-provisioning, and access reviews Monitor system health and performance; initiate health checks and proactively remediate issues Respond to and resolve incidents and service requests in line with SLAs Provide break/fix troubleshooting … tools Understanding of access management, patch management, and vulnerability remediation processes Familiarity with ITIL practices (Incident, Problem, Change, and Configuration Management) Exposure to application performance tuning, cloud platforms, or scripting (e.g., PowerShell, Python ...