26 to 50 of 68 Performance Optimisation Jobs in the North West

Senior Mobile App Engineer - React Native

Hiring Organisation
Future
Location
Preston, Lancashire, UK
Employment Type
Full-time
React Native Testing Library, test-driven development, and maintaining high code coverage Proven debugging skills with React Native profiling tools, Sentry crash reporting, and performance optimization techniques REST API integration expertise using Axios, authentication handling, error management, and data transformation DevOps experience with CI/CD pipelines, app store ...

Senior Mobile App Engineer - React Native

Hiring Organisation
Future
Location
Chester, Cheshire, UK
Employment Type
Full-time
React Native Testing Library, test-driven development, and maintaining high code coverage Proven debugging skills with React Native profiling tools, Sentry crash reporting, and performance optimization techniques REST API integration expertise using Axios, authentication handling, error management, and data transformation DevOps experience with CI/CD pipelines, app store ...

Senior Mobile App Engineer - React Native

Hiring Organisation
Future
Location
Stockport, Greater Manchester, UK
Employment Type
Full-time
React Native Testing Library, test-driven development, and maintaining high code coverage Proven debugging skills with React Native profiling tools, Sentry crash reporting, and performance optimization techniques REST API integration expertise using Axios, authentication handling, error management, and data transformation DevOps experience with CI/CD pipelines, app store ...

Data Science Expert (Python & SQL) - AI Trainer (Freelance, Remote)

Hiring Organisation
Braintrust
Location
Liverpool, UK
Employment Type
Full-time
detection with precision-recall optimization A/B test statistical calculations and experimental design Cohort analysis and retention rate computations Model evaluation metrics and performance optimization Statistical Analysis & Data Processing Hypothesis testing with multiple comparison corrections Causal inference: propensity score matching, difference-in-differences Complex ETL pipeline logic ...

Data Science Expert (Python & SQL) - AI Trainer (Freelance, Remote)

Hiring Organisation
Braintrust
Location
Manchester, UK
Employment Type
Full-time
detection with precision-recall optimization A/B test statistical calculations and experimental design Cohort analysis and retention rate computations Model evaluation metrics and performance optimization Statistical Analysis & Data Processing Hypothesis testing with multiple comparison corrections Causal inference: propensity score matching, difference-in-differences Complex ETL pipeline logic ...

Data Science Expert (Python & SQL) - AI Trainer (Freelance, Remote)

Hiring Organisation
Braintrust
Location
Chester, Cheshire, UK
Employment Type
Full-time
detection with precision-recall optimization A/B test statistical calculations and experimental design Cohort analysis and retention rate computations Model evaluation metrics and performance optimization Statistical Analysis & Data Processing Hypothesis testing with multiple comparison corrections Causal inference: propensity score matching, difference-in-differences Complex ETL pipeline logic ...

Data Science Expert (Python & SQL) - AI Trainer (Freelance, Remote)

Hiring Organisation
Braintrust
Location
Warrington, Cheshire, UK
Employment Type
Full-time
detection with precision-recall optimization A/B test statistical calculations and experimental design Cohort analysis and retention rate computations Model evaluation metrics and performance optimization Statistical Analysis & Data Processing Hypothesis testing with multiple comparison corrections Causal inference: propensity score matching, difference-in-differences Complex ETL pipeline logic ...

Data Science Expert (Python & SQL) - AI Trainer (Freelance, Remote)

Hiring Organisation
Braintrust
Location
Preston, Lancashire, UK
Employment Type
Full-time
detection with precision-recall optimization A/B test statistical calculations and experimental design Cohort analysis and retention rate computations Model evaluation metrics and performance optimization Statistical Analysis & Data Processing Hypothesis testing with multiple comparison corrections Causal inference: propensity score matching, difference-in-differences Complex ETL pipeline logic ...

Data Science Expert (Python & SQL) - AI Trainer (Freelance, Remote)

Hiring Organisation
Braintrust
Location
Stockport, Greater Manchester, UK
Employment Type
Full-time
detection with precision-recall optimization A/B test statistical calculations and experimental design Cohort analysis and retention rate computations Model evaluation metrics and performance optimization Statistical Analysis & Data Processing Hypothesis testing with multiple comparison corrections Causal inference: propensity score matching, difference-in-differences Complex ETL pipeline logic ...

Data Science Expert (Python & SQL) - AI Trainer (Freelance, Remote)

Hiring Organisation
Braintrust
Location
Bolton, Greater Manchester, UK
Employment Type
Full-time
detection with precision-recall optimization A/B test statistical calculations and experimental design Cohort analysis and retention rate computations Model evaluation metrics and performance optimization Statistical Analysis & Data Processing Hypothesis testing with multiple comparison corrections Causal inference: propensity score matching, difference-in-differences Complex ETL pipeline logic ...

Senior Software Engineer (OutSystems and .NET)

Hiring Organisation
ITRAC
Location
Manchester, UK
Employment Type
Full-time
Tech Stack & Experience Required Core Skills: Minimum 4 years of hands-on experience with the Outsystems platform Strong understanding of Outsystems Architecture, including modularization, performance optimization, and scalable design principles. Professional Traditional Web Developer Certification (mandatory). Associate Developer (ODC) Certification (mandatory). Scripting languages such as JavaScript, TypeScript ...

Senior Software Engineer (OutSystems and .NET)

Hiring Organisation
ITRAC
Location
Chester, Cheshire, UK
Employment Type
Full-time
Tech Stack & Experience Required Core Skills: Minimum 4 years of hands-on experience with the Outsystems platform Strong understanding of Outsystems Architecture, including modularization, performance optimization, and scalable design principles. Professional Traditional Web Developer Certification (mandatory). Associate Developer (ODC) Certification (mandatory). Scripting languages such as JavaScript, TypeScript ...

Senior Software Engineer (OutSystems and .NET)

Hiring Organisation
ITRAC
Location
Bolton, Greater Manchester, UK
Employment Type
Full-time
Tech Stack & Experience Required Core Skills: Minimum 4 years of hands-on experience with the Outsystems platform Strong understanding of Outsystems Architecture, including modularization, performance optimization, and scalable design principles. Professional Traditional Web Developer Certification (mandatory). Associate Developer (ODC) Certification (mandatory). Scripting languages such as JavaScript, TypeScript ...

IOS Developer

Hiring Organisation
Eligo Recruitment
Location
Stockport, Cheshire, England, United Kingdom
Employment Type
Full-Time
Salary
£50,000 - £70,000 per annum
established ecommerce business building high-performance mobile products used by millions of shoppers every day. We’re looking for a seasoned Senior iOS Developer to help deliver fast, intuitive, and reliable app experiences that drive conversion, engagement, and customer loyalty. Role Overview As a Senior iOS Developer … collaborate with product, design, and engineering teams to build new features, optimise performance, and ensure our apps stay ahead of Apple’s latest platform updates. You’ll work across modern Swift and legacy Objective-C codebases, ensuring clean architecture, high-quality testing, and smooth releases to the App Store. ...

Site Reliability Engineer

Hiring Organisation
Searchability
Location
Wigan, Lancashire, England, United Kingdom
Employment Type
Full-Time
Salary
£65,000 - £70,000 per annum
with three days a week onsite in Greater Manchester* Modern SRE environment with cloud-native tooling (AWS, Kubernetes, Terraform)* High-availability digital platforms and performance-critical workloads ABOUT THE CLIENT We're supporting a well-established UK organisation recognised for operating large-scale, high-availability digital services. With continued … culture with collaboration across product, operations and platform teams THE SITE RELIABILITY ENGINEER ROLE: As a Site Reliability Engineer, you'll ensure the reliability, performance and scalability of critical digital platforms. You'll monitor production systems, refine SLAs/SLOs and error budgets, design scalable solutions, improve architecture through ...

Site Reliability Engineer

Hiring Organisation
Searchability (UK) Ltd
Location
Wigan, Greater Manchester, North West, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£70,000
with three days a week onsite in Greater Manchester * Modern SRE environment with cloud-native tooling (AWS, Kubernetes, Terraform) * High-availability digital platforms and performance-critical workloads ABOUT THE CLIENT We're supporting a well-established UK organisation recognised for operating large-scale, high-availability digital services. With continued … culture with collaboration across product, operations and platform teams THE SITE RELIABILITY ENGINEER ROLE: As a Site Reliability Engineer, you'll ensure the reliability, performance and scalability of critical digital platforms. You'll monitor production systems, refine SLAs/SLOs and error budgets, design scalable solutions, improve architecture through ...

Senior React Native Developer

Hiring Organisation
Capital Resourcing Group
Location
Manchester, UK
Employment Type
Full-time
Native experience with latest versions (0.81+) Expert-level TypeScript with strict mode Redux Toolkit & Redux architecture patterns React 19+ with hooks, functional components and performance optimisation iOS and Android native build systems (Xcode, Gradle) Social media or content-heavy applications AWS Amplify for authentication and backend services Working ...

Senior React Native Developer

Hiring Organisation
Capital Resourcing Group
Location
Bolton, Greater Manchester, UK
Employment Type
Full-time
Native experience with latest versions (0.81+) Expert-level TypeScript with strict mode Redux Toolkit & Redux architecture patterns React 19+ with hooks, functional components and performance optimisation iOS and Android native build systems (Xcode, Gradle) Social media or content-heavy applications AWS Amplify for authentication and backend services Working ...

Senior Shopify Developer

Hiring Organisation
Pulse Recruit
Location
Manchester, UK
Employment Type
Full-time
builds using Liquid Hydrogen, Oxygen and modern Shopify frameworks Custom Shopify app development (Node/React or Ruby) API development and third-party integrations Performance optimisation for high-traffic storefronts Building reusable frontend components and design systems Technical scoping and solution design Code reviews, quality standards and mentoring ...

Senior Shopify Developer

Hiring Organisation
Pulse Recruit
Location
Chester, Cheshire, UK
Employment Type
Full-time
builds using Liquid Hydrogen, Oxygen and modern Shopify frameworks Custom Shopify app development (Node/React or Ruby) API development and third-party integrations Performance optimisation for high-traffic storefronts Building reusable frontend components and design systems Technical scoping and solution design Code reviews, quality standards and mentoring ...

Senior Shopify Developer

Hiring Organisation
Pulse Recruit
Location
Warrington, Cheshire, UK
Employment Type
Full-time
builds using Liquid Hydrogen, Oxygen and modern Shopify frameworks Custom Shopify app development (Node/React or Ruby) API development and third-party integrations Performance optimisation for high-traffic storefronts Building reusable frontend components and design systems Technical scoping and solution design Code reviews, quality standards and mentoring ...

Senior Shopify Developer

Hiring Organisation
Pulse Recruit
Location
Stockport, Greater Manchester, UK
Employment Type
Full-time
builds using Liquid Hydrogen, Oxygen and modern Shopify frameworks Custom Shopify app development (Node/React or Ruby) API development and third-party integrations Performance optimisation for high-traffic storefronts Building reusable frontend components and design systems Technical scoping and solution design Code reviews, quality standards and mentoring ...

Principal Software Engineer, Cloud Performance

Hiring Organisation
Oracle
Location
Liverpool, UK
Employment Type
Full-time
choice, transparency, and value when it comes to cloud infrastructure. We're embarking on ambitious new initiatives such as building new innovative platforms, high performance primitives, frameworks to support OCI developers, and new container runtime that will allow us to run the full variety of OCI services, including … most demanding, high-performance, high-availability services. We're also working on new ingenuities such as providing canonical implementation of core components for data planes through a data-plane runtime framework, developing a remote persistent storage solution with the latency and performance comparable to that of a local ...

Principal Software Engineer, Cloud Performance

Hiring Organisation
Oracle
Location
Chester, Cheshire, UK
Employment Type
Full-time
choice, transparency, and value when it comes to cloud infrastructure. We're embarking on ambitious new initiatives such as building new innovative platforms, high performance primitives, frameworks to support OCI developers, and new container runtime that will allow us to run the full variety of OCI services, including … most demanding, high-performance, high-availability services. We're also working on new ingenuities such as providing canonical implementation of core components for data planes through a data-plane runtime framework, developing a remote persistent storage solution with the latency and performance comparable to that of a local ...

Principal Software Engineer, Cloud Performance

Hiring Organisation
Oracle
Location
Warrington, Cheshire, UK
Employment Type
Full-time
choice, transparency, and value when it comes to cloud infrastructure. We're embarking on ambitious new initiatives such as building new innovative platforms, high performance primitives, frameworks to support OCI developers, and new container runtime that will allow us to run the full variety of OCI services, including … most demanding, high-performance, high-availability services. We're also working on new ingenuities such as providing canonical implementation of core components for data planes through a data-plane runtime framework, developing a remote persistent storage solution with the latency and performance comparable to that of a local ...