176 to 200 of 211 Remote Performance Tuning Jobs

Lead Backend Engineer

Location
City Of London, England, United Kingdom
languages). You bring deep knowledge of programming fundamentals - data structures, algorithms, system design. You’ve built systems at scale and understand distributed architectures, performance tuning and observability. You lead by example: through mentoring, clear communication, and a collaborative mindset. You’re tenacious and resourceful — you know ...

Senior DevOps engineer.

Location
Belfast City District, Northern Ireland, United Kingdom
highly scalable, reliable systems supporting millions of devices and users across seven geographically distributed platform instances. Play a significant role in the reliability, scalability, performance, and cost efficiency of Ayla’s global cloud infrastructure. Collaborate with engineering leaders and peers across multiple countries to develop repeatable and scalable objectives. … years of database administration experience with technologies such as MySQL, Cassandra, or other NoSQL databases. 3+ years of experience in log collection and analysis, performance monitoring/tuning, using tools such as Coralogix, Prometheus, OpenTelemetry, New Relic, Datadog, or similar platforms. 3+ years of experience with infrastructure automation ...

Lead Java Developer (VP)

Location
Belfast City District, Northern Ireland, United Kingdom
real-time data ingestion and streaming pipelines using Apache Kafka. Database Management: Design and optimize data models in MongoDB and relational databases, ensuring high performance for complex queries and data storage. Agile Execution: Drive sprint planning, task estimation, and daily progress within an Agile/Scrum framework to ensure … Technical Experience: Professional Experience: Significant experienceof hands-on software engineering experience in enterprise-scale environments, with a proven track record of delivering robust, high-performance applications. Java/J2EE Expertise: Deep, authoritative knowledge of the J2EE platform and Core Java (Java 8 and above), including advanced concepts such ...

Infrastructure Specialist zMQ

Location
City of Edinburgh, Scotland, United Kingdom
continuous improvement of a critical enterprise platform. What you’ll need Good knowledge of MQ infrastructure on z/OS. Experience of MQ system performance tuning, diagnosis and problem resolution. Experience supporting and troubleshooting business-critical online systems. Experience working with Transport Layer Security (TLS). An interest … know what you need. We also offer a wide-ranging benefits package, which includes: A generous pension contribution of up to 15% An annual performance-related bonus Share schemes including free shares Benefits you can adapt to your lifestyle, such as discounted shopping 28 days’ holiday, with bank holidays ...

Oracle DBA: Cloud Migrations & Data Integrity (Hybrid)

Location
Manchester, England, United Kingdom
skilled Oracle DBA for database environments and cloud migrations. You will build and maintain Oracle databases, perform migrations, and ensure data integrity while supporting performance tuning and incident resolution. The role requires 3+ years of Oracle DBA experience, plus MSSQL administration, with a focus on secure, reliable data ...

Hybrid SQL Database Administrator - Public Service Role

Location
Wychavon, England, United Kingdom
security and reliability of UK public services. The candidate should have hands-on experience with MS SQL Server versions 2012–2019, database backups, performance tuning, HA/DR, and proactive monitoring. #J-18808-Ljbffr ...

Hybrid Mainframe Developer — CICS / z/OS Expert

Location
Greater London, England, United Kingdom
/OS, and COBOL, to work on critical banking applications. The role involves development, maintenance, and optimization of legacy systems, with a focus on performance tuning and production support. Candidates should have strong skills in DB2, IMS, and experience with Agile methodologies. This is a contract position based ...

Hybrid Oracle DBA & Unix Administrator

Location
Abercynon, Wales, United Kingdom
keeping Oracle databases available, secure, and well‐performing while maintaining the underlying Unix/Linux infrastructure. You will handle backups, recovery, patching and performance tuning, with hands-on duties across RMAN, Data Guard, RAC, ASM and related tools. The position is hybrid, with 2–3 days per week ...

Senior Scala Backend Engineer – Cloud, Play, Hybrid

Location
Newcastle upon Tyne, England, United Kingdom
Newcastle office. Key focus areas include Scala 2.13, Play Framework, Pekko, MySQL, Redis, and AWS, with emphasis on clean code, testing, and performance tuning. #J-18808-Ljbffr ...

Remote Mainframe Datacom Engineer: Modernisation & Performance

Location
Greater London, England, United Kingdom
applications. The role collaborates with development, infrastructure, and regional teams, with Spanish language skills being highly desirable. The candidate will work on database provisioning, performance tuning, upgrades, and DR testing, while contributing to modernisation and DevOps integration across the mainframe stack. #J-18808-Ljbffr ...

SAP Basis Consultant

Hiring Organisation
Elix Sourcing Solutions
Location
Reading, Berkshire, Great Lea Common, United Kingdom
Employment Type
Permanent
Salary
£70000 - £80000/annum Training+Progression+Benefits
that prioritises employee wellbeing and continuous learning. The Role: Managing day-to-day administration and support of SAP S/4HANA environments System health, performance, and capacity monitoring to proactively resolve issues Overseeing transport management, patching, refreshes, and landscape maintenance Configuring and optimising SAP Solution Manager (SolMan) Supporting platform … experience within SAP S/4HANA Proven experience configuring and supporting SAP Solution Manager (SolMan) Good working knowledge of SAP HANA database administration and performance tuning Experience managing secure, on-premise enterprise SAP environments Consultant: Sebastian Petitti JOB Reference: 5438 Elix Sourcing Solutions is a specialist recruiter ...

Senior Forward Deployed Engineer

Location
Greater London, England, United Kingdom
something specific: a technical health check, custom integration work, digging deep into customer problems to find and resolve issues quickly, and even fine‐tuning after deployment to make Incydr fit well inside a customer's environment. You'll be part of the engineering team with access to source code … Partner with customer‐facing teams, customers, and fellow engineers to quickly diagnose and resolve technical pain points, from deployment hiccups to performance tuning, so customers get the most out of Incydr. Take full ownership of each engagement, from first diagnosis to resolution, working directly with customers along ...

Business Central AL Developer — Remote/Hybrid Growth Role

Location
Greater London, England, United Kingdom
seeking a skilled Dynamics 365 Business Central developer to design, build and maintain AL extensions, integrate external systems, and contribute to upgrades and performance tuning. You will collaborate with delivery and application managers to translate business needs into robust technical solutions, participate in planning, and provide Level 3 support ...

SIEM Engineer: Threat Detection & Elasticsearch Specialist

Location
Birmingham, England, United Kingdom
Birmingham to design, develop and maintain our strategic SIEM ingestion and monitoring. You will work on data ingestion pipelines, threat detection use cases and performance tuning within a security engineering team. Role requires strong SIEM experience, familiarity with Elastic Stack, and collaboration with Security Operations. Hybrid work style ...

HPC IT Lead Engineer for GPU/CPU Simulations

Location
Greater London, England, United Kingdom
PhysicsX, the physics AI company for industrials, seeks an IT Lead Engineer to own and scale our HPC infrastructure, including cluster administration, schedulers, and performance tuning for CPU/GPU workloads. You’ll mentor junior engineers, introduce automation-first processes, and serve as an escalation point for complex ...

Principal Data Engineer

Location
Greater London, England, United Kingdom
into an object-centric model. Design and execute a modern Data Lake strategy centred on Apache Iceberg as the core storage format, ensuring high-performance querying and seamless interoperability with Snowflake and heterogeneous compute engines. AI-Accelerated Schema & Pipeline Engineering: Develop and maintain end-to-end multi-stream ingestion … pipelines using Kafka, AWS, and Snowflake. Write robust enterprise services in Java or Scala, leveraging AI coding assistants for rapid code generation, refactoring, and performance tuning. Technical Strategy & Database Optimization: Promote technical direction and engineering best practices across teams for Change Data Capture (CDC), clustering, data migration, and aggregation. ...

Data Engineer

Location
Bradford, England, United Kingdom
data dictionary practices so informationremainssearchable and traceable. Shape data marts that reduce preparation time and give analysts more time to create insight. Design for performance, testing, automationand secure delivery across the data platform. Share knowledge, document solutions clearly and challengeestablishedapproaches to improve delivery. What you’ll bring Experience designing … data marts, metadata-driven development, data dictionaries, data quality, governanceand lineage. Experience delivering through Agile and DevOps practices, including CI/CD, testing, automationand performance tuning. Confident collaboration with engineers, architects, projectteamsand business stakeholders, supported by clear documentation and communication. Experience using Coalesce and integrating data across cloud andon ...

SC Cleared AIX Engineer

Hiring Organisation
Experis
Location
Telford, Shropshire, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £550/day
responsible for the delivery of both operational support and project services. The team provides support across Live, Development and Test environments, ensuring the availability, performance, and stability of critical infrastructure. Alongside day-to-day service responsibilities, the team also delivers a substantial volume of change, migration, transformation, and project … enterprise environments. Ability to develop, maintain, and support high-quality UNIX Shell Scripts. Experience supporting large-scale UNIX/Linux estates. Knowledge of system performance monitoring, tuning, and optimisation. Experience delivering infrastructure changes and supporting project implementations. Strong understanding of server administration, patching, upgrades, and lifecycle management. Excellent ...

SQL Analytics Engineer (AI-Enabled, Databricks) - Software

Hiring Organisation
Salt Search
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£350.00 - £450.00 per day
delivery while maintaining high standards of quality and accuracy. You'll play a key role in enhancing existing analytics solutions, troubleshooting data issues, optimizing performance, and identifying opportunities to improve the efficiency of the wider data environment. The ideal candidate combines advanced SQL expertise with strong analytical thinking … analytics and reporting solutions across a large-scale data environment. Deliver incremental improvements to existing datasets, reports, dashboards, and data workflows. Investigate data issues, performance bottlenecks, and process inefficiencies. Work closely with senior engineers to troubleshoot, prioritise, and resolve technical challenges. Optimise SQL queries and data processes to improve ...

Cloud Infrastructure Architect

Hiring Organisation
Acorn Insurance
Location
Liverpool, Merseyside, North West, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£75,000
with Security Operations and SOC teams to ensure monitoring, logging, and incident response capabilities are embedded Develop automation and service optimisation strategies to improve performance, cost efficiency, and availability. Conduct capacity planning, resilience engineering, disaster recovery design, and performance tuning. Act as a subject-matter expert and trusted ...

Web: Full Stack Tech Lead

Location
Greater London, England, United Kingdom
native builder : Cursor, v0 , Claude Code (and friends) are daily drivers for rapid prototyping and refactors. React + TypeScript mastery: component design, hooks, performance, testing (Vitest/Jest, Playwright). FastAPI expertise: async patterns, Pydantic schemas, pagination, auth (OAuth2/OIDC), rate‐limits, background jobs. Elasticsearch fluency: mappings/… analyzers (ngrams, synonyms), aggregations, filters, sorting, performance tuning. Cloud & DevOps : solid experience on AWS and/or GCP , Docker, Terraform, GitHub Actions, monitoring/alerts. Datastores : Postgres (SQL, migrations), Redis (caching/queues). Quality & security : code reviews, type safety, lint/format, secrets mgmt, least‐privilege IAM, basic ...

Data Engineering Lead (SVP)

Location
Belfast City District, Northern Ireland, United Kingdom
this role is to lead applications systems analysis and programming activities. Proven leadership in building and scaling enterprise data services, driving cloud transformation, optimising performance, capacity, and delivering AI enabled operational and analytics platform. Responsibilities Lead the design, engineering and delivery of next generation cloud data services supporting data … issues with transparency. Skills & Experience Essential Proven in-depth commercial experience in the following key areas: Databricks – Lakehouse architecture, Spark, Delta Lake, workflows and performance tuning. Apache Spark & Scala – High-performance distributed data processing and optimisation. Cloud Data Engineering (AWS) – Cloud-native data platforms and distributed computing. Data ...

Maximo Database Administrator

Location
East Midlands, England, United Kingdom
database migration activities. Administer, maintain, and tune IBM DB2 database environments. Design and implement robust backup, recovery, and disaster recovery strategies. Optimise database performance across IBM Maximo Application Suite (MAS) environments. Ensure database security, governance, and compliance requirements are met. Refactor and convert Oracle PL/SQL stored procedures … compatibility. Monitor database health, troubleshoot performance issues, and implement improvements. Work closely with infrastructure, application, and development teams to deliver database solutions. Essential Skills & Experience Proven experience delivering Oracle-to-DB2 migrations. Strong hands-on experience with DB2 administration, configuration, and performance tuning. Experience developing and implementing backup ...

Mainframe Datacom Engineer - IBM Z

Location
United Kingdom
desirable. Key Responsibilities Administer and support Broadcom Datacom/CA Datacom databases on z/OS. Perform database provisioning, configuration, monitoring, capacity planning and performance tuning. Undertake backup, recovery, reorganisation and database maintenance using Datacom utilities. Monitor availability and proactively resolve database and application performance issues. Support incident …/ISPF, SDSF, CICS, VSAM and RACF. Support COBOL-based applications and troubleshoot database/application issues. Assist with application releases, technical design and performance optimisation. Participate in disaster recovery and business continuity exercises. Contribute to mainframe modernisation, automation, API enablement, CI/CD and DevOps initiatives. Identify opportunities ...

Mainframe Datacom Engineer - IBM Z

Hiring Organisation
CBSbutler Holdings Limited trading as CBSbutler
Location
Reading, Berkshire, United Kingdom
Employment Type
Contract
Contract Rate
£450 - £500/day
desirable. Key Responsibilities Administer and support Broadcom Datacom/CA Datacom databases on z/OS. Perform database provisioning, configuration, monitoring, capacity planning and performance tuning. Undertake backup, recovery, reorganisation and database maintenance using Datacom utilities. Monitor availability and proactively resolve database and application performance issues. Support incident … ISPF, SDSF, CICS, VSAM and RACF . Support COBOL-based applications and troubleshoot database/application issues. Assist with application releases, technical design and performance optimisation. Participate in disaster recovery and business continuity exercises. Contribute to mainframe modernisation, automation, API enablement, CI/CD and DevOps initiatives. Identify opportunities ...