76 to 100 of 112 Remote/Hybrid Performance Tuning Jobs

Infrastructure Data Engineer (Kafka) - Outside IR35 - Remote

Hiring Organisation
Exalto Consulting ltd
Location
South West London, London, United Kingdom
Employment Type
Contract, Work From Home
team responsible for maintaining and developing core data infrastructure that supports a range of business-critical use cases. The work includes improving platform performance, strengthening reliability, and helping internal teams make effective use of streaming capabilities. What the role involves You will take ownership … operation and improvement of Kafka infrastructure in production. That includes identifying performance issues, tuning configurations, resolving incidents, and building out the surrounding platform components needed to support a dependable streaming environment. The role also involves close collaboration with engineering, data, and analytics teams, so it is important that ...

Delphi Developer

Hiring Organisation
Octad Recruitment Consultants (Octad Ltd )
Location
Wickford, Essex, South East, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£70,000
term system stability, this role will suit you perfectly. Key Responsibilities Maintain, support, and enhance existing Delphi enterprise applications. Diagnose and resolve complex defects, performance issues, and system bottlenecks. Work closely with business users to translate requirements into technical solutions. Produce clear documentation for updates, fixes, and new features. … experience. Strong experience with complex, data-driven applications. Proven background maintaining or upgrading legacy systems. Experience with visually inherited UIs. Strong debugging, optimisation, and performance-tuning skills. Experience working within Agile, Waterfall, or hybrid SDLC environments. Familiarity with version control (Git, SVN, etc.). Experience collaborating with ...

NET Windows Developer

Hiring Organisation
Lawrence Harvey
Location
Essex, United Kingdom
Employment Type
Permanent
Salary
£45000 - £50000/annum
/.NET Core, WinForms/WPF. Experience working with databases, APIs, and system integrations. Proven track record of delivering production-ready software. Exposure to performance tuning and troubleshooting Windows desktop applications. Experience with secure coding practices and enterprise-grade application development. Financial services experience preferred If this ...

Delphi/SQL Developer

Hiring Organisation
Lawrence Harvey
Location
Essex, United Kingdom
Employment Type
Permanent
Salary
£60000 - £70000/annum
complex data-driven applications. Background working within Agile, Waterfall, or hybrid development environments. Experience of working in mature SDLC processes Understanding of software debugging, performance tuning, and optimization in both Delphi and SQL Server. If this may be of interest, please apply ASAP with an updated CV. ...

Lead .Net Developer x 2

Hiring Organisation
Hays Technology
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£800 - £850/day Up to £850pd Umbrella
Extensive C# .Net Development experience ideally within financial services, on data-heavy projects. Extensive SQL server experience - Must Have. Solid experience in database modelling, performance tuning, and optimisation. Thorough knowledge of application programming for data intensive applications on SQL Server using Stored Procedures/tSQL. Good knowledge ...

Senior Infrastructure Engineer / Architect

Hiring Organisation
IT Talent Solutions
Location
Milton Keynes, Buckinghamshire, United Kingdom
Employment Type
Permanent
Salary
£50000 - £70000/annum Excellent benefits
environments across Azure, VMware , and on-prem systems Improve and maintain LAN/WAN, networking, and core security infrastructure Provide expert-level troubleshooting and performance tuning Collaborate with cross-functional teams and senior stakeholders Ensure robust security, disaster recovery, and compliance standards YOU 5+ years of experience ...

Senior Infrastructure Engineer

Hiring Organisation
IT Talent Solutions
Location
Milton Keynes, Buckinghamshire, United Kingdom
Employment Type
Permanent
Salary
£55000 - £70000/annum Excellent benefits
environments across Azure, VMware , and on-prem systems Improve and maintain LAN/WAN, networking, and core security infrastructure Provide expert-level troubleshooting and performance tuning Collaborate with cross-functional teams and senior stakeholders Ensure robust security, disaster recovery, and compliance standards YOU 5+ years of experience ...

Technical lead Architect

Hiring Organisation
Vermillion Analytics
Location
Dublin, County Dublin, Ireland
Employment Type
Contractor
Contract Rate
£450 - £640 per day
demonstrable experience with the General Insurance booking lifecycle. On the nice-to-have side: exposure to event-driven design, contract testing, and performance tuning will all be well regarded. A Bachelor's or Master's degree in Computer Science or equivalent is expected. In Summary ...

Infrastructure Engineer (Virtualisation)

Hiring Organisation
KBC Technologies UK LTD
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
Salary negotiable
ESXi/vCenter or Hyper-V). Background in infrastructure engineering or platform operations in enterprise environments. Expertise in platform upgrades, patching, troubleshooting, and performance tuning . Solid understanding of server hardware, storage integration, and enterprise networking . Knowledge of ITIL processes (incident, problem, change). Desirable Skills ...

Azure Platform Engineer

Hiring Organisation
Hays
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£600.0 - £690.0 per day + up to £690pd (Inside IR35)
integrating mobile applications with cloud-native backends Knowledge of CI/CD pipelines for containerized applications Familiarity with zero-trust architecture principles Background in performance tuning or cost-optimised cloud design If you're interested in this role, click 'apply now' to forward an up-to-date copy ...

Work Management & Data Specialist

Hiring Organisation
Yorkshire Water
Location
Bradford, West Yorkshire, Yorkshire, United Kingdom
Employment Type
Permanent, Work From Home
Yorkshire Water: We offer a competitive salary, depending on experience £45,017 - £56,272 Annual incentive related bonus (£1000 maximum bonus opportunity for the performance year) Attractive pension scheme (up to 12% company contribution) Development opportunities in line with the Work Management and Data Specialist progression plan 25 days … technical expertise across the Service Delivery Business Units by integrating process and data knowledge to maintain up to date key data system environments, perform performance tuning, deliver enhancements, troubleshoot issues, and support investigations. The role also plays a key part in shaping and influencing planning and scheduling improvement ...

C Developer

Hiring Organisation
Harrington Starr
Location
London Area, United Kingdom
Software Engineer – Low‐Latency Trading Contract - OUTSIDE IR35 Rate - Dependent on skills London - Hybrid working 50% in office. You'll be joining a high‐performance trading technology firm. Helping to building ultra‐low‐latency systems powering global electronic markets. Working alongside world‐class engineers solving complex challenges across C++ … Linux, networking, and hardware‐accelerated trading pipelines. What You'll Do Build and optimise high‐performance, low‐latency C++ applications Develop real‐time systems interacting directly with global exchanges Work closely with FPGA, network, and infrastructure teams Improve latency, throughput, and reliability across mission‐critical systems Contribute to performance ...

Rust Developer

Hiring Organisation
Intec Select Ltd
Location
London, Aldgate, United Kingdom
Employment Type
Contract
Contract Rate
£800 - £850/day
Contract | £850/day | Outside IR35 Role Overview: A leading technology-driven trading firm is looking for a Rust Developer to join their high-performance engineering team. You will play a key role in designing, building, and maintaining low-latency, mission-critical trading systems. The role offers the opportunity … This is a fast-paced, intellectually challenging environment where your work has a visible impact on the business. Key Responsibilities: Develop and maintain high-performance trading applications using Rust. Write clean, maintainable, and well-tested code. Collaborate closely with engineers, quants, and operations teams to deliver reliable solutions. Contribute ...

Applications Operations Analyst

Hiring Organisation
Ryder Reid Legal
Location
London Area, United Kingdom
experienced Applications Operations Analyst to join its London office. This is a fantastic opportunity to play a key role in maintaining and improving the performance, security, and reliability of enterprise applications across a dynamic and fast-paced professional services environment. Reporting to the Manager of Applications Operations, the successful … also contributing to process improvement, documentation, and integration stability. The role involves close collaboration with infrastructure, security, and business teams to ensure seamless application performance and user experience. Key Responsibilities: Perform system maintenance, patching, and upgrades in line with change management procedures Monitor application health and performance, proactively ...

Lead Real-Time Software Architect

Hiring Organisation
Boeing
Location
Hazelwood, Missouri, United States
Employment Type
Permanent
Salary
USD Annual
multicore embedded software architecture, evaluation, and optimization across real-time and mixed-criticality systems. The candidate in this role will drive architecture decisions, lead performance and reliability evaluations, and mentor engineering teams - with support from specialists or contractors for highly specialized certification/CDS tasks as needed. … timing goals Ensure safety, security, and isolation across domains Choose and integrate OS, virtualization, and middleware technologies Oversee hardware/software co-design and performance tuning Set V&V and certification approaches Build CI/CD and integration test practices Mentor team members and represent technical authority ...

Engineering Manager, Secure Identity & Auth Platform

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
mentoring developers and managing a critical authentication system built with Go and Python on AWS. A strong background in distributed systems, security protocols, and performance tuning is essential. The company offers a flexible hybrid working model and opportunities for continuous professional development. #J-18808-Ljbffr ...

Integration Consultant webMethods, Boomi

Hiring Organisation
Smart Sourcer Limited
Location
High Wycombe, Buckinghamshire, South East, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£65,000
service scaffolding, mapping, testing, and runbooks. Implement CI/CD, automated testing, and modern release strategies (blue/green, canary). Strengthen operations with performance tuning, resiliency patterns, and observability dashboards. Govern APIs (authN/Z, rate limiting, threat protection) and manage lifecycle. What You Bring: 35+ years ...

Integration Consultant webMethods, Boomi

Hiring Organisation
Smart Sourcer Limited
Location
High Wycombe, Buckinghamshire, UK
service scaffolding, mapping, testing, and runbooks. Implement CI/CD, automated testing, and modern release strategies (blue/green, canary). Strengthen operations with performance tuning, resiliency patterns, and observability dashboards. Govern APIs (authN/Z, rate limiting, threat protection) and manage lifecycle. What You Bring: 35+ years ...

Storage SAN Architect

Hiring Organisation
CBSbutler Holdings Limited trading as CBSbutler
Location
Sheffield, South Yorkshire, United Kingdom
Employment Type
Contract
Contract Rate
£540/day inside ir35
within the banking sector. Key Responsibilities: Define storage architecture strategy for OpenShift clusters and workloads, incorporating Pure Storage best practices. Advise on storage provisioning, performance tuning, and capacity planning for Pure Storage arrays. Serve as the go-to expert for storage-related issues and escalations, including Pure Storage … Engineers and OpenShift Architects to integrate Pure Storage solutions with compute and networking layers. Ensure compatibility with containerized workloads and persistent storage requirements. Conduct performance assessments and recommend improvements for Pure Storage systems. Required Skills & Qualifications: Extensive experience in enterprise storage technologies with a strong focus on Pure Storage ...

Sharepoint Developer & Administrator

Hiring Organisation
DGH Recruitment
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£90,000
Graph. - Solid experience with C# and .NET Framework for backend and integration development. - Hands-on experience administering SharePoint on-prem environments, including patching, upgrades, performance tuning, and troubleshooting. Sharepoint Developer & Administrator In accordance with the Employment Agencies and Employment Businesses Regulations 2003, this position is advertised based upon ...

Sharepoint Engineer

Hiring Organisation
DGH Recruitment
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£95,000
Graph. - Solid experience with C# and .NET Framework for backend and integration development. - Hands-on experience administering SharePoint on-prem environments, including patching, upgrades, performance tuning, and troubleshooting. Sharepoint Engineer In accordance with the Employment Agencies and Employment Businesses Regulations 2003, this position is advertised based upon ...

Apple Mac & iPhone Tech Authorized Service Provider (Severna Park, MD)

Hiring Organisation
MacMedics
Location
annapolis, maryland, united states
customers. Bonus skills we’re excited to see: (Not required, but tell us if you have them.) Building or troubleshooting PC systems. Gaming and performance tuning. Linux experience. Photography, video, or graphic design. Music production or DJ skills. Where our techs come from: Our team members have previously worked ...

Full Stack Engineer

Hiring Organisation
Omnis Partners
Location
London Area, United Kingdom
collaboration, and thoughtful code reviews. Tech environment: • Frontend: TypeScript, React, Next.js. • Backend: Python (FastAPI or similar), async programming, API design. • Data: Postgres, schema design, performance tuning. • Auth: OAuth/OIDC, JWT, RBAC/ABAC. • AI exposure: LLM integrations, function/tool calling, streaming pipelines, vector DBs, agent-based systems. ...

IBM Z Technical Specialist

Hiring Organisation
eTeam
Location
Sheffield, England, United Kingdom
maintain the Db2 environment as well as the functional testing for the tertiary backup environment. You will be involved in DB2 upgrades and maintenance, performance reviews, access and security administration for DB2 systems, installing and maintaining DB2 Tools for zOS. You will be required to understand the supporting … relational database concepts of DB2 in z/OS. • Proficiency in using DB2 tools from IBM, Broadcom and other vendors. • Good knowledge in performance & tuning, database sizing, system support, security and documentation. • Implement RACF/ACF2 DB2 security rules and Access authority. • Good experience with software maintenance. • Knowledge ...

Principal Embedded Software Engineer

Hiring Organisation
Oakmont Consulting
Location
London Area, United Kingdom
prototyping through certification, manufacturing and long-term maintenance. Sensor & Audio Integration - Experience integrating microphones, cameras and other sensors, including driver development and real-world performance tuning. Hardware Debugging Skills - Confident reading schematics, debugging hardware with oscilloscopes or logic analysers and diagnosing cross-layer issues. Systems Thinking - Ability to design ...