201 to 225 of 259 Performance Tuning Jobs

applications Build clean, scalable, and maintainable code using Swift and SwiftUI Integrate mobile applications with RESTful APIs and Back End services Optimise application performance, responsiveness, and memory usage Conduct unit testing and UI testing to ensure application quality Support accessibility standards and best practices across applications Collaborate closely with … following: Strong experience with Xcode Excellent knowledge of: Swift SwiftUI (mandatory) Objective-C Experience integrating RESTful APIs into iOS applications Strong understanding of performance and memory optimisation using tools such as Instruments Experience with threading and performance tuning Experience with Unit Testing and UI Testing Knowledge ...

servers. Elastic (Elastic Stack/Elastic Security): Hands-on with index lifecycle management (ILM), ingest pipelines, ECS mapping, transforms, and enrichment. Experience designing and tuning detection rules (KQL, EQL), response actions, case workflows, and Elastic Security posture features. Skilled in Fleet/Agent deployment, data stream design, and performance tuning at scale. Strong client management and relationship building experience SIEM experience with Splunk/Elastic Excellent analytical and problem-solving skills coupled with ability to assess complex situations, identify risks, and recommend effective solutions Proven hands-on experience operating Elastic Stack/Elastic Security and Splunk Enterprise ...

support large, mission-critical enterprise databases. This role is ideal for a senior database professional who thrives in production environments, enjoys solving complex performance and availability challenges, and works closely with application, infrastructure, and vendor teams. The position involves end-to-end database ownership across production, development, and test … environments, with a strong focus on stability, performance, high availability, and continuous improvement. Duties and Responsibilities DB2 Database Administration Administer and support large-scale DB2 UDB (LUW) databases in production and non-production environments (multi-TB databases). Perform installation, upgrades, fix packs, and patching for DB2 instances. Manage ...

this role. Join our team as a MongoDB Site Reliability Engineer, where you'll be at the forefront of designing and maintaining robust, high-performance systems that power critical financial services. In this dynamic and fast-paced environment, your role will be essential to ensuring our infrastructure remains resilient … encourage you to apply. Qualifications Working in Site Reliability Engineering, DevOps, and MongoDB administration in financial services. Using MongoDB features like replicaset, sharding, backups, performance tuning, and shell scripting. Writing scripts in Python or Bash to automate tasks and reduce manual work. Additional Skills Using Percona, ClusterControl ...

HANA skills: Provide day-to-day SAP BASIS administration across the SAP landscape. Support SAP HANA platform operations , including monitoring, health checks, and performance analysis. Assist with the ECC 6.0 to S/4HANA migration , upgrades, and landscape transformation activities. Administer transports, system refreshes, client copies, and landscape coordination. … Support patching, upgrades, and maintenance activities across SAP systems. Perform user administration, roles, and authorisations , ensuring security and compliance. Monitor system availability, capacity, and performance, escalating complex issues where required. Support backup, recovery, and high availability processes for SAP and HANA platforms. Work closely with senior BASIS colleagues ...

short-term engagement, focused on maintaining and optimising production database environments. Key responsibilities: Day-to-day administration of Microsoft SQL Server environments Monitoring performance, identifying issues, and implementing improvements Backup, recovery, and disaster recovery management Troubleshooting incidents and ensuring system stability Supporting patching, upgrades, and general database maintenance Working … closely with infrastructure and application teams Requirements: Strong experience with Microsoft SQL Server in production environments Proven ability in performance tuning and optimisation Solid troubleshooting and incident resolution skills Experience with backup/recovery and high availability setups Able to operate independently in a remote, fast-paced environment ...

success in the high frequency trading space. Seeking a decisive, logical thinker to join their Production Engineering team, who manage the reliability, scalability and performance of the live trading systems - all built in-house. This role is critical to the firm's trading activities. Sitting on the trading floor … working closely with users, your remit covers everything from market access, to strategy evaluation and management, through to performance tuning and trading automation. This is an engineering position - not support - so you'll set the standards for the production environment. Here they operate with tight feedback loops ...

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 ...

smoothly? If so, you could be our next Database Administrator! What is in it for you? Become a member of an Employee-owned trust Performance bonus Cycle to work scheme Option to buy additional leave Private medical insurance What will you be doing? Manage, maintain and optimize Postgres … Oracle databases Perform upgrades, patches, backups and recovery testing Monitor performance and troubleshoot issues proactively Ensure database security, compliance and documentation Support CI/CD, DevOps and cross-functional teams What are we looking for? Proven experience as a DBA or similar role Strong knowledge of Postgres and Oracle ...

BPSS), which are managed by the MBDA Personnel Security Team. What we can offer you: Company bonus : Up to £2,500 (based on company performance and will vary year to year) Pension : maximum total (employer and employee) contribution of up to 14% Overtime: opportunity for paid overtime Flexi Leave … development environment Working with CI/CD pipelines including writing of Automated Test Scripts A willingness to build deep system architecture understanding Experience of performance tuning and root-cause analysis. Desirable: Prior experience with the Ada programming language is desirable Our company: Peace is not a given, Freedom ...

cloning and disaster recovery planning for multi-terabyte databases Excellent understanding of Oracle High Availability and Failover (Dataguard, GRID) Thorough understanding of optimisation and performance tuning Excellent understanding of Oracle Objects (including PL/SQL, packages, procedures, functions and triggers etc) Good understanding of Solaris O/ ...

background. .NET Core expertise - this is non-negotiable Microservices architecture and containerised deployment (Docker/Kubernetes) Database architecture optimisation - latency, cost efficiency, SQL Server performance tuning Experience leading and mentoring technical teams Comfortable with legacy system migrations as well as greenfield builds Good to Have B2B or regulated ...

Online Proven SPFx development TypeScript, JavaScript, React Experience with C#/.NET, SQL Server, and RESTful API integrations Solid on-prem admin background patching, performance tuning, troubleshooting BCS and ECT experience a strong plus Microsoft 365/Azure familiarity (Azure AD, Azure Functions) is a bonus ...

context (Node.js, shared libraries, or tooling) Deep familiarity with core AWS infrastructure Lambda, ECS/EKS and RDS/Aurora - specialised knowledge in Aurora performance tuning is a significant plus Proficiency with AWS messaging services, specifically SQS, SNS and EventBridge Strong communication skills across technical and non-technical ...

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 ...

leading derivatives marketplace in Northern Ireland is looking for a Data Reliability Engineer II to take responsibility for the reliability and performance of database systems. This role focuses on proactive incident management, performance tuning, and automation within a modern data ecosystem, utilizing technologies like GCP Cloud ...

setup and configuration (regions, JVM servers) Understanding of z/OS components used by CICS Liberty (USS, RACF, TCP/IP, SMF) Capacity planning, performance tuning, and availability (HA/DR) Problem determination using dumps, traces, SMF data, and logs WebSphere Liberty configuration (server.xml, features, shared libraries … tuning for z/OS (heap sizing, GC behaviour) Managing Java workload inside CICS (JVM servers lifecycle, diagnostics) Patching and maintaining Liberty and Java SDK levels RACF and TLS configuration (certificates, keyrings, SAF integration) REST/HTTP exposure and API enablement CI/CD awareness (bundles, pipelines, automated deployment ...

automation, and container-based architectures. You will work closely with cross-functional infrastructure, cloud, security, and DevOps teams to deliver resilient, scalable, and high-performance storage services for mission-critical workloads. Key Responsibilities: Storage Architecture & Engineering: Design, implement, and maintain enterprise storage solutions (SAN/NAS/Object) across … multi-vendor ecosystems. Lead storage assessments, capacity planning, performance tuning, and life cycle management. Develop High-Level Designs (HLDs) and Low-Level Designs (LLDs) for on-prem and hybrid storage systems. Own data-migration strategies and end-to-end execution (host-based, array-based replication, storage-to-storage ...

team is responsible for is large DB2 subsystems across various mainframes and geographies. Your responsibility as a DB2 System programmer will be ensuring the performance, integrity, maintenance and security of our database estate. You'll be involved in the planning and development of the databases, as well …/OS specialist, you'll need to: Establish the needs of users and monitor user access and security Monitor performance and manage parameters in order to provide fast responses to Front End users Install and test new versions DB2 Develop, manage and test back-up and recovery plans Ensure ...

London, UK (Hybrid)Job Type: Contract - Inside IR35 Role Overview We are seeking an experienced Senior KDB+ Developer to design, develop, and optimize high-performance data platforms built on kdb+. The ideal candidate will have deep expertise in kdb+ tick architecture, performance tuning at scale, and close ...

administer Red Hat Enterprise Linux (RHEL 8/10) systems Support day-to-day operations, incidents, and platform stability Perform system administration, patching, and performance tuning Troubleshoot issues across distributed environments Contribute to ongoing platform improvements and automation Work across mixed estates with some Unix (AIX) exposure … problem-solving skills Some Unix/AIX exposure (preferred) Active SC Clearance (must not be expired) What You'll Get Competitive salary 10% pension Performance-related bonus (up to ~10%) Fully remote working anywhere in the UK Supportive team environment working on public sector platforms Additional Info On-call ...

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 ...

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 ...

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 ...

Nutanix + Linux OR Windows | Global Software Firm Powering Critical Services £90,000 circa base + 10%-12% Bonus (More is possible for exceptional performance) Location: Windsor, Berkshire Working pattern: 4 days office/1 day WFH On-call: Shared rota supporting production platforms You will join a global … 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 ...