51 to 75 of 259 Performance Tuning Jobs

Dev Ops Engineer

Hiring Organisation
Capita Shared Services Limited
Location
Sheffield, South Yorkshire, Yorkshire, United Kingdom
Employment Type
Permanent, Work From Home
Understanding of security, compliance, and access control Quality, Testing & Monitoring Experience with: Automated testing approaches (unit/UI testing) Pipeline monitoring and troubleshooting Performance tuning and optimisation of CRM solutions Leadership & Collaboration Proven ability to lead technical design and delivery Strong stakeholder engagement and communication skills Experience mentoring ...

Senior Data Analyst

Hiring Organisation
BOSS Professional Services LTD
Location
Kingston Upon Thames, Surrey, England, United Kingdom
Employment Type
Full-Time
Salary
£60,000 - £85,000 per annum
modelling, and system integration. Advanced SQL skills and experience building and maintaining ETL pipelines. Advanced Power BI expertise, including DAX, dataflows, model optimisation, and performance tuning. Proven experience extracting and working with data from Azure, Salesforce, and ITSM platforms. Strong understanding of service delivery and operational metrics (SLAs, KPIs ...

Java Software Developer

Hiring Organisation
Persistent Systems
Location
Glasgow, Scotland, United Kingdom
design, development, integration, and debugging. Hands on experience with MongoDB (CRUD, indexing, aggregation pipelines). Strong knowledge of MS SQL includes writing queries and performance tuning. Understanding of distributed systems, messaging, and data‐streaming patterns. Experience with version control (Git) and CI/CD pipelines and DevOps Practices. Good ...

Manager Software Engineer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
critically significant component of our infrastructure that underpins secure authentication across to our customers.This is a rare opportunity to work on a high-performance, low-latency, and highly resilient system at scale, with direct impact on the security and reliability of financial services used globally.What You’ll be doing … ensure robust observability, automated recovery, and zero-downtime deployments via Gitlab pipeline, Terraform and DevSecOps practices.* Drive architectural decisions and mentor engineers in performance tuning, resilient design, and secure coding practices.* Contribute to incident response and postmortems, continuously improving system reliability.What You'll bring:* Experience in managing engineers ...

AI Native Software Engineer

Hiring Organisation
TekWissen UK
Location
City of London, London, United Kingdom
enterprise integrations Implement evaluation, monitoring, and observability frameworks to ensure accuracy, latency, reliability, and system health across AI agent lifecycles Optimize AI and system performance across cost, scalability, and latency dimensions in production environments Deliverables or Project Scope Production‐ready AI‐powered applications aligned to defined business workflows … experience with CI/CD pipelines, infrastructure as code, and monitoring or observability tools Proven ability to deliver production‐quality code, including testing, debugging, performance tuning, and operational readiness Preferred Qualifications Experience with agent frameworks such as LangGraph, AutoGen, CrewAI, or similar Experience designing multi‐agent or distributed ...

Electronic Trading Developer

Hiring Organisation
Harrington Starr
Location
City of London, London, United Kingdom
leading global digital assets and trading technology business is looking to hire a Senior Trading Systems Developer to help build and optimise high-performance trading infrastructure supporting market making, OTC, systematic trading, and electronic execution environments. This role sits at the intersection of low-latency software engineering and infrastructure … optimisation, focused on maximising throughput, minimising latency, and delivering deterministic performance across critical trading workflows. The Role Design and develop low-latency trading systems supporting market data, execution, and order routing Build high-performance distributed systems used across trading and liquidity platforms Optimise application, operating system, network ...

Data Engineer

Hiring Organisation
Hays Technology
Location
Salisbury, Wiltshire, United Kingdom
Employment Type
Permanent
Salary
GBP 45,000 - 52,750 Annual
Translate business needs into technical solutions Maintain and enhance data platforms and analytics systems Build and manage dimensional data models Conduct testing, troubleshooting and performance tuning Evaluate and improve existing BI systems Collaborate with technical teams to integrate systems Create and maintain technical documentation Please note: This role … frameworks Experience with cloud data platforms (ideally Microsoft Fabric) Familiarity with Power BI or similar BI tools Ability to optimise and troubleshoot query performance Strong analytical and problem-solving skills Desirable Skills Knowledge of modern data architectures Experience with SQL, SSRS, SSIS and SSAS Experience using PySpark Familiarity with ...

SQL Database Developer

Hiring Organisation
WR Logistics
Location
Dartford, Kent, South East, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£45,000
build, and optimise database solutions that power business-critical systems. Develop and maintain high-quality T-SQL (procedures, views, functions, indexes) Diagnose and fix performance issues using execution plans and query tuning Optimise transactional systems, reporting, and integrations Support structured database changes across Dev, Test, and Production Work … with release/CI processes to deliver safe, reliable deployments Troubleshoot complex data and performance issues Help improve database standards and practices Essential: 5+ years' SQL Server development experience Strong T-SQL and performance tuning skills Solid database design knowledge Experience managing changes across environments Strong problem ...

Database Administrator

Hiring Organisation
Reed Technology
Location
Leicester, Leicestershire, East Midlands, United Kingdom
Employment Type
Permanent
Salary
£60,000
databases on a 24/7, 365 basis , operating at Tier 3-4 level . You'll play a key role in ensuring: Database performance, availability, and stability Seamless integration with customer systems A reliable, high-quality experience for end users You'll also act as a trusted technical …/7 production environment Act as Tier 3-4 escalation for complex incidents and availability issues Analyse existing infrastructure and proactively improve performance and resilience Install, configure, and deploy systems into customer environments Support data migrations and system integrations Identify and implement automation, scripting, and process improvements Perform root ...

GCP DCX Engineering Lead - 12 months - Bristol/Leeds/Halifax/Manchester/Edinburgh - £525/day

Hiring Organisation
Hamilton Barnes
Location
Bristol, United Kingdom
Employment Type
Contract
Contract Rate
GBP Daily
guide, and mentor a team of 30+ infrastructure engineers across multi-partner and permanent colleague structures, fostering a culture of continuous learning and high performance Set the technical strategy, roadmap, and engineering priorities for the GCP DCX (Data Centre Extension) IaaS platform, including quarterly business planning Design, build … Armor and secure-by-design principles from design to runtime Define, monitor, and operate against service level objectives (SLOs/SLIs), ensuring high availability, performance, and fault tolerance Drive automation, observability, and performance tuning to reduce manual effort and improve platform reliability Collaborate closely with architecture ...

SQL Server Database Developer

Hiring Organisation
Davies Turner
Location
Dartford, Kent, South East, United Kingdom
Employment Type
Permanent, Work From Home
role in designing, building, and improving database solutions that underpin our business-critical applications and integrations. The role is focused on database development and performance, working closely with application and integration teams in a collaborative environment. This role is primarily development focused (database code, schema, data design, performance … Developer - Key Responsibilities: - Design, develop and maintain high-quality T-SQL including stored procedures, views, functions, tables, and indexes - Proactively analyse and resolve database performance bottlenecks using execution plans, indexing strategies, and query refactoring - Optimise high-volume transactional queries, reporting workloads, and data integration jobs - Design and support scalable ...

Senior BI Engineer

Hiring Organisation
Harnham - Data & Analytics Recruitment
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£65,000 - £68,000 per annum
data models Creating dashboards and reports for senior leaders and business users Improving data quality, documentation, and governance Optimising SQL queries and dashboard performance Working with stakeholders to define KPIs and technical requirements Supporting junior engineers with code reviews and BI best practice Skills and experience: 5+ years' experience … data engineering, analytics engineering, or technical analytics Strong SQL skills, including joins, window functions, and performance tuning Experience with Databricks, Snowflake, or BigQuery Strong data modelling experience, ideally with dbt Experience with BI tools such as Omni, Power BI, Tableau, Looker, or Sigma Strong stakeholder management and communication ...

Site Reliability Engineer (£90k+ + Equity) at EQUALS

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
ElastiCache, and Lambda. Own the monitoring and observability stack using Datadog APM to reduce alert fatigue and lead incident response. Optimize data pipelines and performance, including Airbyte replication and PostgreSQL tuning for high-concurrency music streaming. The ideal candidate: Deep expertise in AWS (ECS/Fargate … Infrastructure-as-Code using Pulumi, Terraform, or CDK. Strong PostgreSQL and Redis knowledge, specifically regarding performance tuning, indexing, and connection pooling at scale. Proven experience in incident response and CI/CD management, with the ability to stay calm and diagnose issues in production. #J-18808-Ljbffr ...

Lead Engineer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
provides market infrastructure and information services. These include: Bullish Exchange – a regulated and institutionally focused digital assets spot and derivatives exchange, integrating a high-performance central limit order book matching engine with automated market making to provide deep and predictable liquidity. Bullish Exchange is regulated in Germany, Hong Kong … Gibraltar. CoinDesk Indices – a collection of tradable proprietary and single-asset benchmarks and indices that track the performance of digital assets for global institutions in the digital assets and traditional finance industries. CoinDesk Data – a broad suite of digital assets market data and analytics, providing real-time insights into ...

Lead Data Engineer - London

Hiring Organisation
Michael Page
Location
London, United Kingdom
Employment Type
Permanent
Salary
£90000 - £110000/annum Benefits
requirements and deliver tailored solutions. Ensure data quality, integrity, and security across all systems and processes. Optimise and troubleshoot existing data architectures to improve performance and reliability. Implement best practices for data engineering, including version control, testing, and documentation. Work closely with stakeholders to provide insights and support data … Python for ETL/ELT pipelines Proven ability to lead, mentor, and develop data engineering teams Hands-on experience with data warehousing, modelling, and performance tuning Solid understanding of data governance, quality, and lineage frameworks Experience implementing monitoring, automation, and platform reliability practices Strong stakeholder management skills, translating ...

OutSystems Developer (LowCode Orchestration)

Hiring Organisation
Infoplus Technologies UK Ltd
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
From £400 to £450 per day
integrations (REST, SOAP, OAuth, SQL, message queues). Basic understanding of CSS, JavaScript, and relational databases (SQL Server, Oracle). Knowledge of application security, performance tuning, and scalable app design. Job Description: Mandatory Skills: OutSystems OutSystems Developer (Low-Code Orchestration) Role Overview The OutSystems Developer focuses on building … Design workflow orchestrations, process automation, and data models. Develop logic, integrations, and reusable UI patterns and modules. Implement role-based access, security configurations, and performance optimisations. 2. Integration & API Management Integrate with backend systems (REST/SOAP APIs, databases, SAP, CRM). Build and maintain integrations ensuring reliability ...

Databricks Platform Engineer

Hiring Organisation
Sagacity
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
Competitive salary
Define environment strategies (dev/test/prod), CI/CD pipelines, and release processes for Databricks deployments Implement monitoring, logging, cost optimisation, and performance tuning across the platform Design and implement data pipelines using Delta Live Tables, Auto Loader, and Databricks Workflows for both batch and streaming … GDPR, ISO 27001, sector-specific standards) What success looks like in the role: Delivery of robust, secure, and scalable Databricks platforms that meet client performance and cost expectations Clear, well-architected solutions that balance flexibility, governance, and operational efficiency Strong client relationships built on trust, technical credibility, and effective ...

C#.Net Developer

Hiring Organisation
Boston Hale
Location
City of London, London, England, United Kingdom
Employment Type
Full-Time
Salary
£55,000 - £70,000 per annum
transactions and flows Driving projects from inception through design, build, testing and release Core requirements: Strong C#/.NET development experience Advanced SQL skills (performance tuning, complex queries, data modelling) Azure cloud experience (App Services, Functions, Service Bus, DevOps etc.) Experience building highly available, resilient systems Excellent communication ...

Principal Solution Architect

Hiring Organisation
Tech Mahindra
Location
Reading, Berkshire, United Kingdom
Employment Type
Permanent
Salary
£60000 - £70000/annum
reviews, ensuring alignment with enterprise architecture standards. Provide technical leadership and mentorship to development teams, fostering a culture of innovation and continuous improvement. Conduct performance tuning, optimization, and troubleshooting of applications. Stay current with industry trends and emerging technologies to ensure the application architecture remains relevant and competitive. ...

DevOps Engineer

Hiring Organisation
Twinstream Limited
Location
Bristol, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £600/day
shell scripting and command-line tooling AWS environments and cloud infrastructure Monitoring and observability tools including Prometheus, Grafana or InfluxDB SQL and relational databases Performance tuning, troubleshooting, scaling and disaster recovery Network security principles and protocols Desirable Experience Any of the following would be beneficial: Managed service environments ...

IT Expert Principal

Hiring Organisation
Hays Talent Solutions
Location
City, London, United Kingdom
Employment Type
Contract
Contract Rate
GBP Annual
VMware solutions in enterprise-scale environments Experience with: VCF deployments (greenfield) and migrations (brownfield) Life cycle management (patching, upgrades, optimisation) Strong troubleshooting, performance tuning, and optimisation skills Experience working in customer-facing or consulting environments Strong stakeholder management, communication, and documentation skills VCP-VCF certification (or actively working ...

Senior Full Stack Engineer (AWS Microservices & Integrations)

Hiring Organisation
Narwhal Labs
Location
City Of Bristol, England, United Kingdom
compliant transaction flows Nice to have: Event choreography with Step Functions, schema registries and outbox patterns OpenTelemetry/X-Ray tracing and cost and performance tuning for Lambda and RDS Experience with Cognito/OIDC, RBAC/ABAC and multi-tenant isolation patterns Familiarity with real-time delivery ...

Head of Development, EMEA IT, IT

Hiring Organisation
CLSA Global Markets Pte Ltd
Location
London, UK
Core Java and REST APIs.* Practical knowledge of multi-threading, event-driven programming, and memory optimization.* Strong problem-solving and analytical abilities.* Knowledge of performance tuning techniques.* Familiarity with enterprise SDLC tools like JIRA and Confluence.* Experience with CI/CD tools such as Git, Maven/Gradle ...

Director of Software Engineering (UK)

Hiring Organisation
Jobleads-UK
Location
United Kingdom
Flosum , we are building the world's best software for the modern enterprise. Our team is passionate about crafting elegant, high-performance products that delight our customers and set a new bar for engineering excellence. We combine deep expertise in cloud-native development with a relentless focus on quality … This is a hands‐on leadership role for a technical architect at heart who can compress delivery schedules, drive developer velocity, and own the performance of the overall solution. You will be the single point of accountability for turning our roadmap into shipped software—on time, at quality ...

Manager – Site Reliability Engineering

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
hands-on leader with deep technical expertise and strong critical thinking. ## ## Role summary:You will be responsible for ensuring stability, resilience, and performance of our production systems while driving continuous improvement and SRE best practices across the platform.## What you'll be doing:* **Service Ownership**Assume … accountability for Clearing production environment, ensuring high availability, optimal performance, and robust resilience of business-critical systems.* **Incident Management & Crisis Leadership**Act as Incident Commander during major incidents, leading resolution efforts, managing stakeholder communications, and driving root cause analysis and remediation.* **Team Leadership & Talent Development**Build and mentor ...