51 to 75 of 105 Performance Testing Jobs in London

Lead Software Developer In Test - Lead Consultant

Hiring Organisation
Scale Factory
Location
South East London, London, United Kingdom
Employment Type
Permanent, Work From Home
robust, scalable automation solutions across multiple projects and clients Mentor and coach a team of SDETs, fostering growth, upskilling, and driving best practices in testing and automation Own the QA strategy on projects - setting the vision for test architecture, tooling, quality metrics, and delivery excellence Engage directly with clients … trusted advisor, understanding business needs and aligning our testing approach accordingly Contribute to pre-sales and project scoping, helping shape engagements from inception through delivery What Were Looking For We understand leadership takes many forms. If you're driven to inspire others, lead innovation, and take ownership of delivery ...

Lead, Software & Platform Engineering

Hiring Organisation
London Stock Exchange Group
Location
London, United Kingdom
Salary
£ 100 K
tasks. Lead the design, development, and deployment of AI-enhanced software solutions and oversee the integration of AI capabilities into products and workflows.Prototyping and testing: Develop and implement testing procedures, create product prototypes, and conduct performance testing to ensure requirements are met.Problem-solving: Lead the resolution ...

Lead, Software & Platform Engineering

Hiring Organisation
London Stock Exchange Group
Location
London, UK
Employment Type
Full-time
Lead the design, development, and deployment of AI-enhanced software solutions and oversee the integration of AI capabilities into products and workflows. Prototyping and testing: Develop and implement testing procedures, create product prototypes, and conduct performance testing to ensure requirements are met. Problem-solving: Lead ...

BXTI - Liquid Credit, Full Stack Software Engineer, Associate

Location
Greater London, England, United Kingdom
starter with an entrepreneurial attitude, willing to teach and mentor others, and desire to work in a fast-paced team environment* Experience with automation testing approaches and performance testing* Experience with fixed-income front-office trading systems* Bachelor's degree (BSc/BA) or above in Computer ...

Data Engineer

Hiring Organisation
TXP
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £501 per day
Talend Build and maintain Oracle SQL and DDL artefacts Contribute to CI/CD pipeline enhancements (GitLab) Investigate and resolve defects across development and testing phases Conduct component testing, including test data creation Support QA, performance testing, and production releases Perform peer reviews of development … hands-on experience with Talend (essential) Experience with Oracle databases (preferably RDS) Solid SQL and data modelling capability Experience working within structured SDLC and testing frameworks Familiarity with CI/CD tools (e.g. GitLab) Experience in enterprise or public sector environments desirable SC Eligible ...

Data Engineer

Hiring Organisation
TXP Technology x People
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£500.00 - £501.00 per day
Talend Build and maintain Oracle SQL and DDL artefacts Contribute to CI/CD pipeline enhancements (GitLab) Investigate and resolve defects across development and testing phases Conduct component testing, including test data creation Support QA, performance testing, and production releases Perform peer reviews of development … hands-on experience with Talend (essential) Experience with Oracle databases (preferably RDS) Solid SQL and data modelling capability Experience working within structured SDLC and testing frameworks Familiarity with CI/CD tools (e.g. GitLab) Experience in enterprise or public sector environments desirable SC Eligible ...

VP/AVP - C++ Algo Trading Engineer/ Quant Developer

Hiring Organisation
Robert Walters
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£80,000 - £150,000 per annum
direct impact on the business. What you'll do: * Develop and optimise trading algorithms for Cash Equities execution * Build and enhance low-latency, high-performance trading systems * Work closely with developers, quants and business stakeholders * Analyse trading system issues and identify opportunities for algorithmic improvement * Contribute to core trading … framework development, testing, scalability and reliability What you'll bring: * Strong C++ engineering experience * Experience in electronic trading, algo execution, market data or order execution systems * Strong understanding of low-latency/high-throughput systems * TCP/IP, UDP or multicast networking experience * Smart Order Routing, Best Execution ...

PPC & SEO Manager

Hiring Organisation
Tribal Recruitment - The UK's Leading Digital & R2R Recruiters
Location
London, UK
Employment Type
Full-time
measurable growth across a portfolio of exciting DTC and retail brands. This is a hands-on role for someone who enjoys combining search strategy, performance marketing and commercial thinking. You’ll have the opportunity to manage campaigns, identify growth opportunities and work closely with clients and internal teams … deliver strong results. What you’ll be doing Managing and optimising PPC campaigns across Google Ads, including Search, Shopping and Performance Max Developing and executing SEO strategies to improve organic visibility and traffic Conducting keyword research, competitor analysis and search opportunity analysis Managing budgets, bids and campaign performance ...

Senior Backend Engineer - Java

Hiring Organisation
Capco
Location
London, United Kingdom
Salary
£ 80 K
ForExperience using GitLab for CI/CD pipelines and Cucumber for BDD test automation.AWS Certified Solutions Architect (Associate or Professional).Knowledge of CQRS patterns, performance testing strategies, and application observability.Curiosity to explore emerging cloud technologies, responsible AI, and automation to continually improve engineering practices.Experience delivering customer-facing ...

Senior Backend Engineer - Java

Hiring Organisation
Capco
Location
London, UK
Employment Type
Full-time
using GitLab for CI/CD pipelines and Cucumber for BDD test automation. AWS Certified Solutions Architect (Associate or Professional).Knowledge of CQRS patterns, performance testing strategies, and application observability. Curiosity to explore emerging cloud technologies, responsible AI, and automation to continually improve engineering practices. Experience delivering customer ...

Cloud Architect - Tech Consultancy - Defence & Security

Hiring Organisation
Deloitte
Location
London, United Kingdom
Salary
£ 100 K
agile Cloud environments. Responsibilities will include delivering across a broad range of activities from technical and solution architecture design to operations, prototyping, developing and testing (depending on the size of the project and the client needs).You will be collaborating with cloud thought leaders across disciplines to innovate together … continuous integration and delivery.Linux and windows system implementation and management using automation frame works such as Ansible, Salt Stack, Puppet, PowerShell etc.Application deployment and testing tool chains such as Jenkins, SVN, GitHub.Knowledge of security and performance considerations and approaches for digital systems, and exposure to security and performance ...

Principal Machine Learning Engineer

Hiring Organisation
London Stock Exchange Group
Location
London, United Kingdom
Salary
£ 80 K
SLOs.Partner with platform teams to optimise cost, scale, and reliability of inference endpoints.Monitoring, Drift Detection & ObservabilityDefine observability standards for feature drift, concept drift, performance degradation, and data integrity.Lead the creation of dashboards, benchmarks, and automated alerting across the ML ecosystem.Ensure telemetry pipelines adhere to privacy, data minimisation, and compliance … policies.Drive adoption of proactive failover, shadow-mode testing, and continuous validation patterns.Security, Compliance & ML GovernanceSet and enforce ML-specific security standards including data minimisation, encryption, and PII handling.Oversee creation of Model Cards, lineage artefacts, and compliance documentation.Ensure ML systems meet governance standards for auditability, reproducibility, versioning, and traceability.Collaborate with ...

Quant Modelling Associate/Vice President

Hiring Organisation
JP Morgan Chase
Location
London, United Kingdom
Salary
> £ 150 K
areas and will work closely with model developers and users.Job responsibilitiesEvaluate conceptual soundness of model specifications, reasonableness of assumptions, reliability of inputs, completeness of testing, correctness of implementation, and suitability and comprehensiveness of performance metrics and risk measures. Perform independent testing of models by replicating or building … sound and timely.Provide guidance on the appropriate usage of models to model developers, users, and other stakeholders in the firm.Stay abreast of the ongoing performance testing outcomes for models used in the coverage area, and communicate those outcomes to stakeholders.Maintain the model inventory and model metadata ...

Quant Modelling Associate/Vice President

Location
Greater London, England, United Kingdom
will work closely with model developers and users. Job responsibilities Evaluate conceptual soundness of model specifications, reasonableness of assumptions, reliability of inputs, completeness of testing, correctness of implementation, and suitability and comprehensiveness of performance metrics and risk measures. Perform independent testing of models by replicating or building … timely. Provide guidance on the appropriate usage of models to model developers, users, and other stakeholders in the firm. Stay abreast of the ongoing performance testing outcomes for models used in the coverage area, and communicate those outcomes to stakeholders. Maintain the model inventory and model metadata ...

Quant Modelling Associate/Vice President

Location
Greater London, England, United Kingdom
will work closely with model developers and users. Job responsibilities Evaluate conceptual soundness of model specifications, reasonableness of assumptions, reliability of inputs, completeness of testing, correctness of implementation, and suitability and comprehensiveness of performance metrics and risk measures. Perform independent testing of models by replicating or building … timely. Provide guidance on the appropriate usage of models to model developers, users, and other stakeholders in the firm. Stay abreast of the ongoing performance testing outcomes for models used in the coverage area, and communicate those outcomes to stakeholders. Maintain the model inventory and model metadata ...

SDET (Software Developer in Test)

Hiring Organisation
Sanderson Recruitment
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£450 - £500 per day
SDET 6 Month contract £450 - £500 per day Outside IR35 London/Hybrid - 2x days a week in London Design and develop automated testing frameworks and strategies with Cypress and Playwright using Javascript/Typescript. Create and maintain test scripts utilising WebDriver, Selenium, Gherkin, and Cucumber Performance testing using JMeter Write clear and concise test cases and scenarios using JSON data structures to validate application features. Conduct thorough testing of user interfaces, ensuring compliance with HTML and CSS standards. Collaborate with developers and product teams to define testing requirements and assist with continuous integration ...

SDET (Software Developer in Test)

Hiring Organisation
Sanderson
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£450.00 - £500.00 per day
SDET 6 Month contract £450 - £500 per day Outside IR35 London/Hybrid - 2x days a week in London Design and develop automated testing frameworks and strategies with Cypress and Playwright using Javascript/Typescript. Create and maintain test scripts utilising WebDriver, Selenium, Gherkin, and Cucumber Performance testing using JMeter Write clear and concise test cases and scenarios using JSON data structures to validate application features. Conduct thorough testing of user interfaces, ensuring compliance with HTML and CSS standards. Collaborate with developers and product teams to define testing requirements and assist with continuous integration ...

Lead SRE - Chase UK

Hiring Organisation
JP Morgan Chase
Location
London, United Kingdom
Salary
£ 80 K
resiliency patterns, including graceful degradation, rate limiting, circuit breakers, and failover strategies.Partner across engineering, product, and platform teams to promote reliability standards and adoption.Execute performance testing and capacity planning to proactively identify and remove bottlenecks.Participate in feature planning to ensure metrics, alerting, logging, automation, resiliency, capacity, and performance … assisted code review/refactoring, test acceleration, release readiness, incident/root-cause analysis), while establishing measurable validation standards (secure coding, peer review, automated testing) and promoting reuse of proven patterns and automation within the SDLC/TLM toolchain.Applies knowledge of tools within the Software Development Life Cycle toolchain ...

qa engineer (auto) AI wealth management

Location
Greater London, England, United Kingdom
within a distributed microservices architecture on AWS. Задачи Define and execute the end-to-end quality strategy for the Wealth Management business line, embedding testing early in architecture and product design phases; Architect and scale automated testing frameworks for TypeScript microservices and APIs on AWS; Enable developer self … sufficiency and maintain high-velocity CI/CD pipelines; Own performance testing using tools like K6, design realistic load models, analyze results, and partner with engineering to optimize distributed system reliability. Требования Over 7 years of QA experience; Experience owning quality strategy for complex, modern service-oriented architectures ...

Senior Oracle APEX & Database Administrator

Hiring Organisation
Stantec
Location
London, United Kingdom
Salary
Confidential
Database Administrator to support and enhance enterprise database platforms and Oracle APEX application environments. This role will be responsible for the design, administration, performance optimization, and lifecycle management of Oracle databases and APEX/ORDS platforms supporting critical business applications.The successful candidate will work closely with DBA, middleware … application teams to ensure high availability, performance, and security of systems across development, QA, and production environments.Key ResponsibilitiesOracle Database AdministrationManage and maintain Oracle databases (19c and newer) across multiple environmentsPerform database installations, upgrades, patching, and migrationsImplement backup/recovery strategies and disaster recovery solutionsMonitor database performance and tune ...

Lead SRE - Chase UK

Location
London, United Kingdom
including graceful degradation, rate limiting, circuit breakers, and failover strategies. Partner across engineering, product, and platform teams to promote reliability standards and adoption. Execute performance testing and capacity planning to proactively identify and remove bottlenecks. Participate in feature planning to ensure metrics, alerting, logging, automation, resiliency, capacity … performance needs are built in from the start. Use approved AI tools to accelerate root-cause analysis, log and trace investigation, runbook drafting, post-incident analysis, test scaffolding, and documentation. Continuously develop AI skills relevant to the role, including effective prompting, output validation, automation workflows, and safe usage patterns. ...

Lead SRE - Chase UK

Hiring Organisation
Hackajob Ltd
Location
South West London, London, United Kingdom
Employment Type
Permanent
including graceful degradation, rate limiting, circuit breakers, and failover strategies. Partner across engineering, product, and platform teams to promote reliability standards and adoption. Execute performance testing and capacity planning to proactively identify and remove bottlenecks. Participate in feature planning to ensure metrics, alerting, logging, automation, resiliency, capacity … performance needs are built in from the start. Use approved AI tools to accelerate root-cause analysis, log and trace investigation, runbook drafting, post-incident analysis, test scaffolding, and documentation. Continuously develop AI skills relevant to the role, including effective prompting, output validation, automation workflows, and safe usage patterns. ...

Data Engineer III - Python, Databricks - Senior Associate

Hiring Organisation
JP Morgan Chase
Location
London, United Kingdom
Salary
£ 100 K
deploying, and managing applications at scale.Good understanding and working knowledge of software development lifecycle tools used for configuration management, CI/CD pipelines, unit testing, regression testing, and performance testing.Preferred qualifications, capabilities, and skillsFamiliarity with the Standardized data layer practices (Medallion architecture)Exposure to Aurora Postgres ...

Lead Engineer (PA26Q2LEJH76)

Hiring Organisation
SS&C Technologies
Location
London, United Kingdom
Salary
£ 100 K
Development Lead, coach, and mentor a team of engineers, focusing on raising capability and delivering professional growth. Build a culture of accountability, high performance, and continuous improvement. Actively develop and enhance the skills of junior and home-grown talent, providing structured guidance, hands-on mentoring, and performance feedback. … proof-of-concept development and exploration of emerging technologies to add value to the business. Ensure appropriate levels of technical documentation, operational readiness, and performance testing are consistently maintained. Stakeholder Management Collaborate closely with Product, Architecture, Operations, and Commercial teams to deliver business goals. Represent the engineering team ...

Business Consultant - Databricks

Hiring Organisation
NTT DATA
Location
London, United Kingdom
Salary
£ 80 K
United Kingdom (GB).Key Responsibilities• Design, optimize, and maintain scalable Databricks pipelines (ETL, streaming, ML workflows).• Perform cluster and job performance tuning: optimize cluster sizing, caching, partitioning, and shuffle management.• Monitor Spark job metrics, analyze logs, and identify bottlenecks in data throughput or latency.• Implement cost-optimization strategies … autoscaling and job consolidation.• Ensure efficient scheduling and orchestration of jobs using Databricks Workflows• Collaborate with data scientists and platform teams to improve query performance on Delta Lake.• Develop automated monitoring and alerting mechanisms using Databricks REST APIs, Prometheus, or Azure Monitor.• Maintain best practices for data engineering performance ...