226 to 250 of 289 Mobile App Jobs in London

executing an engineering strategy aligned to the portfolio and global tech strategies. Working in the Design and Platform Performance domain, you willlead the technology side of web and mobile analytics for a platform with over 50 million visits each month, deliver the best user experiences and personalisation for talent and talent seekers. We built in-house large scale … Java, REST APIs, AWS, Terraform and DevOps Nice to have:experience in data pipping and modelling using SQL, DBT, ETL, Data Warehousing, Redshift and Python, and ecommerce and mobile applications background Additional Information Were a community here that cares as much about your life outside work as how you feel when youre with us. Because your job shouldnt More ❯

interface. Your challenge is to build the magic: the live transcription, the mid-call intervention, the post-call summaries, that defines our premium user experience. You will own the app that we will showcase to the world at Mobile World Congress (MWC) 2026, and your work will be the primary driver for our monetization strategy. Key Responsibilities … fidelity designs (e.g., Figma, Sketch) into beautiful, performant, and maintainable code. ? A strong understanding of Android UI performance optimization, memory management, and threading models. ? Experience with the full mobile development lifecycle, from ideation and prototyping to testing, release, and maintenance. Preferred Qualifications ? Advanced UI/UX & Conversational AI ? Prior experience designing or building conversational interfaces (e.g., chatbots, voice … assistants). ? A strong portfolio that explicitly showcases beautiful, complex, and highly responsive mobile UIs you have built. ? Relevant Technical Experience ? Familiarity with Android's native call-handling APIs (e.g., CallScreeningService, ConnectionService), as you will be integrating closely with the engineer who owns this. ? Experience with performance testing and profiling Android applications to hunt down and eliminate bottlenecks. More ❯

client is looking for an experienced QA to join the existing team on an initial 6month contract. We are looking for a skilled Quality Analyst to join our Mobile Team, ensuring high-quality iOS and Android mobile applications through robust testing strategies. The ideal candidate will have strong functional testing experience, be proficient in the latest … and regression and exploratory testing while proactively identifying areas for improvement in the testing process, tools, and methodologies. Required Skills: Minimum 3, ideally 5+ years of experience in mobile application testing Strong understanding of iOS and Android applications Experience in manual testing and an understanding of test automation concepts. Knowledge of mobile debugging tools (e.g., Charles … Proxy, Android Studio, Xcode) Knowledge on automation tools and techniques Knowledge of Accessibility testing for mobile applications Experience in working with API's and backend validations (Postman, REST Assured) Experience with Cloud tools such as AWS S3, CloudWatch and Browser Stack. Knowledge of Agile/Scrum Methodologies Excellent Problem-solving skills and attention to detail Strong Communication and More ❯

Here at Venator, we are working with an eCommerce company who have UK's biggest technology platform - they have a live mobile application as well as a web based application- the company is now looking to grow! Please Note- this is a hybriod role but will require you to be in the office (London) 4 days per week … us in curating a codebase to be proud of, driving for quality, maintainability and testability The candidate You have built great products for the web and/or mobile You have analysed business problems then scoped and built technical solutions to solve them You can quickly become productive using our backend or frontend technologies, or both You’re … are: Python on the server side, using Django as a web framework, and Django Rest Framework for our API Angular and TypeScript on the client side for our mobile apps and booking flow Next.js and React for parts of our marketing website Ionic for hybrid and progressive mobile apps PostgreSQL for our database, using some of More ❯

Here at Venator, we are working with an eCommerce company who have UK's biggest technology platform - they have a live mobile application as well as a web based application- the company is now looking to grow! Please Note- this is a hybriod role but will require you to be in the office (London) 4 days per week … us in curating a codebase to be proud of, driving for quality, maintainability and testability The candidate You have built great products for the web and/or mobile You have analysed business problems then scoped and built technical solutions to solve them You can quickly become productive using our backend or frontend technologies, or both You’re … are: Python on the server side, using Django as a web framework, and Django Rest Framework for our API Angular and TypeScript on the client side for our mobile apps and booking flow Next.js and React for parts of our marketing website Ionic for hybrid and progressive mobile apps PostgreSQL for our database, using some of More ❯

Here at Venator, we are working with an eCommerce company who have UK's biggest technology platform - they have a live mobile application as well as a web based application- the company is now looking to grow! Please Note- this is a hybriod role but will require you to be in the office (London) 4 days per week … us in curating a codebase to be proud of, driving for quality, maintainability and testability The candidate You have built great products for the web and/or mobile You have analysed business problems then scoped and built technical solutions to solve them You can quickly become productive using our backend or frontend technologies, or both You’re … are: Python on the server side, using Django as a web framework, and Django Rest Framework for our API Angular and TypeScript on the client side for our mobile apps and booking flow Next.js and React for parts of our marketing website Ionic for hybrid and progressive mobile apps PostgreSQL for our database, using some of More ❯

Here at Venator, we are working with an eCommerce company who have UK's biggest technology platform - they have a live mobile application as well as a web based application- the company is now looking to grow! Please Note- this is a hybriod role but will require you to be in the office (London) 4 days per week … us in curating a codebase to be proud of, driving for quality, maintainability and testability The candidate You have built great products for the web and/or mobile You have analysed business problems then scoped and built technical solutions to solve them You can quickly become productive using our backend or frontend technologies, or both You’re … are: Python on the server side, using Django as a web framework, and Django Rest Framework for our API Angular and TypeScript on the client side for our mobile apps and booking flow Next.js and React for parts of our marketing website Ionic for hybrid and progressive mobile apps PostgreSQL for our database, using some of More ❯

Automation Test Engineer (Selenium Java & Python) London, UK (Hybrid work model) We are seeking a highly skilled and proactive Senior Quality Analyst with strong expertise in web and mobile application testing, automation frameworks, and API testing. The ideal candidate will have hands-on experience with Selenium (Python), Postman, SQL, and a solid understanding of quality assurance best practices. … Exposure to fund accounting, fund administration, or wealth management domains is a strong plus. Key Responsibilities: Lead and execute end-to-end testing of web and mobile applications. Design, develop, and maintain automation test scripts using Selenium with Python. Perform API testing using tools like Postman, including validation of request/response payloads, headers, and authentication. Write and … of QA deliverables in Agile/Scrum environments. Provide QA metrics and status reports to stakeholders. Required Skills: Strong experience in manual and automation testing of web and mobile applications. Proficiency in Selenium with Python for automation. Solid understanding of API testing using Postman or similar tools. Strong command over SQL for data validation and backend testing. Experience More ❯

Automation Test Engineer (Selenium Java & Python) London, UK (Hybrid work model) We are seeking a highly skilled and proactive Senior Quality Analyst with strong expertise in web and mobile application testing, automation frameworks, and API testing. The ideal candidate will have hands-on experience with Selenium (Python), Postman, SQL, and a solid understanding of quality assurance best practices. … Exposure to fund accounting, fund administration, or wealth management domains is a strong plus. Key Responsibilities: Lead and execute end-to-end testing of web and mobile applications. Design, develop, and maintain automation test scripts using Selenium with Python. Perform API testing using tools like Postman, including validation of request/response payloads, headers, and authentication. Write and … of QA deliverables in Agile/Scrum environments. Provide QA metrics and status reports to stakeholders. Required Skills: Strong experience in manual and automation testing of web and mobile applications. Proficiency in Selenium with Python for automation. Solid understanding of API testing using Postman or similar tools. Strong command over SQL for data validation and backend testing. Experience More ❯

Automation Test Engineer (Selenium Java & Python) London, UK (Hybrid work model) We are seeking a highly skilled and proactive Senior Quality Analyst with strong expertise in web and mobile application testing, automation frameworks, and API testing. The ideal candidate will have hands-on experience with Selenium (Python), Postman, SQL, and a solid understanding of quality assurance best practices. … Exposure to fund accounting, fund administration, or wealth management domains is a strong plus. Key Responsibilities: Lead and execute end-to-end testing of web and mobile applications. Design, develop, and maintain automation test scripts using Selenium with Python. Perform API testing using tools like Postman, including validation of request/response payloads, headers, and authentication. Write and … of QA deliverables in Agile/Scrum environments. Provide QA metrics and status reports to stakeholders. Required Skills: Strong experience in manual and automation testing of web and mobile applications. Proficiency in Selenium with Python for automation. Solid understanding of API testing using Postman or similar tools. Strong command over SQL for data validation and backend testing. Experience More ❯

Automation Test Engineer (Selenium Java & Python) London, UK (Hybrid work model) We are seeking a highly skilled and proactive Senior Quality Analyst with strong expertise in web and mobile application testing, automation frameworks, and API testing. The ideal candidate will have hands-on experience with Selenium (Python), Postman, SQL, and a solid understanding of quality assurance best practices. … Exposure to fund accounting, fund administration, or wealth management domains is a strong plus. Key Responsibilities: Lead and execute end-to-end testing of web and mobile applications. Design, develop, and maintain automation test scripts using Selenium with Python. Perform API testing using tools like Postman, including validation of request/response payloads, headers, and authentication. Write and … of QA deliverables in Agile/Scrum environments. Provide QA metrics and status reports to stakeholders. Required Skills: Strong experience in manual and automation testing of web and mobile applications. Proficiency in Selenium with Python for automation. Solid understanding of API testing using Postman or similar tools. Strong command over SQL for data validation and backend testing. Experience More ❯

s degree in Computer Science, Engineering, or a related field. 2 years+ experience as a .Net Developer or similar role. Strong proficiency in the .Net Stack. Experience developing mobile applications in Xamarin/.Net MAUI/Flutter. Experience with software development methodologies such as Agile or Scrum. Excellent problem-solving skills and attention to detail. Strong communication and … working from home and 3 days in our stylish, modern and collaborative office close to East Croydon Station Company pension matching and bonus We offer Wagestream - a money management app that gives you access to a percentage of your pay as you earn it Being part of more! We are part of a group who work closely with Savers More ❯

s degree in Computer Science, Engineering, or a related field. 2 years+ experience as a .Net Developer or similar role. Strong proficiency in the .Net Stack. Experience developing mobile applications in Xamarin/.Net MAUI/Flutter. Experience with software development methodologies such as Agile or Scrum. Excellent problem-solving skills and attention to detail. Strong communication and … working from home and 3 days in our stylish, modern and collaborative office close to East Croydon Station Company pension matching and bonus We offer Wagestream - a money management app that gives you access to a percentage of your pay as you earn it Being part of more! We are part of a group who work closely with Savers More ❯

s degree in Computer Science, Engineering, or a related field. 2 years+ experience as a .Net Developer or similar role. Strong proficiency in the .Net Stack. Experience developing mobile applications in Xamarin/.Net MAUI/Flutter. Experience with software development methodologies such as Agile or Scrum. Excellent problem-solving skills and attention to detail. Strong communication and … working from home and 3 days in our stylish, modern and collaborative office close to East Croydon Station Company pension matching and bonus We offer Wagestream - a money management app that gives you access to a percentage of your pay as you earn it Being part of more! We are part of a group who work closely with Savers More ❯

s degree in Computer Science, Engineering, or a related field. 2 years+ experience as a .Net Developer or similar role. Strong proficiency in the .Net Stack. Experience developing mobile applications in Xamarin/.Net MAUI/Flutter. Experience with software development methodologies such as Agile or Scrum. Excellent problem-solving skills and attention to detail. Strong communication and … working from home and 3 days in our stylish, modern and collaborative office close to East Croydon Station Company pension matching and bonus We offer Wagestream - a money management app that gives you access to a percentage of your pay as you earn it Being part of more! We are part of a group who work closely with Savers More ❯

s about creating a sleek, user-first mobile experience that makes traditional telecoms look like dial-up. You’ll be leading the development of a cross-platform app, built with a clean, scalable architecture and a product that’s already live and growing fast. You’ll be hands-on with everything from UI polish to performance tuning … collaborates. We move fast, iterate constantly, and keep meetings to a minimum. You’ll be trusted to lead features end-to-end, mentor other devs, and help scale the app as it expands across Europe. You’ll work closely with product and design to ship experiences that feel effortless but are anything but simple under the hood. This isn … t just another app job. It’s a chance to help build the future of mobile from the ground up. The mission is to make connectivity as seamless and modern as the apps we use every day—and the team is backed by experienced founders and operators who know how to build and scale consumer tech. If More ❯

s about creating a sleek, user-first mobile experience that makes traditional telecoms look like dial-up. You’ll be leading the development of a cross-platform app, built with a clean, scalable architecture and a product that’s already live and growing fast. You’ll be hands-on with everything from UI polish to performance tuning … collaborates. We move fast, iterate constantly, and keep meetings to a minimum. You’ll be trusted to lead features end-to-end, mentor other devs, and help scale the app as it expands across Europe. You’ll work closely with product and design to ship experiences that feel effortless but are anything but simple under the hood. This isn … t just another app job. It’s a chance to help build the future of mobile from the ground up. The mission is to make connectivity as seamless and modern as the apps we use every day—and the team is backed by experienced founders and operators who know how to build and scale consumer tech. If More ❯

s about creating a sleek, user-first mobile experience that makes traditional telecoms look like dial-up. You’ll be leading the development of a cross-platform app, built with a clean, scalable architecture and a product that’s already live and growing fast. You’ll be hands-on with everything from UI polish to performance tuning … collaborates. We move fast, iterate constantly, and keep meetings to a minimum. You’ll be trusted to lead features end-to-end, mentor other devs, and help scale the app as it expands across Europe. You’ll work closely with product and design to ship experiences that feel effortless but are anything but simple under the hood. This isn … t just another app job. It’s a chance to help build the future of mobile from the ground up. The mission is to make connectivity as seamless and modern as the apps we use every day—and the team is backed by experienced founders and operators who know how to build and scale consumer tech. If More ❯

s about creating a sleek, user-first mobile experience that makes traditional telecoms look like dial-up. You’ll be leading the development of a cross-platform app, built with a clean, scalable architecture and a product that’s already live and growing fast. You’ll be hands-on with everything from UI polish to performance tuning … collaborates. We move fast, iterate constantly, and keep meetings to a minimum. You’ll be trusted to lead features end-to-end, mentor other devs, and help scale the app as it expands across Europe. You’ll work closely with product and design to ship experiences that feel effortless but are anything but simple under the hood. This isn … t just another app job. It’s a chance to help build the future of mobile from the ground up. The mission is to make connectivity as seamless and modern as the apps we use every day—and the team is backed by experienced founders and operators who know how to build and scale consumer tech. If More ❯

s about creating a sleek, user-first mobile experience that makes traditional telecoms look like dial-up. You’ll be leading the development of a cross-platform app, built with a clean, scalable architecture and a product that’s already live and growing fast. You’ll be hands-on with everything from UI polish to performance tuning … collaborates. We move fast, iterate constantly, and keep meetings to a minimum. You’ll be trusted to lead features end-to-end, mentor other devs, and help scale the app as it expands across Europe. You’ll work closely with product and design to ship experiences that feel effortless but are anything but simple under the hood. This isn … t just another app job. It’s a chance to help build the future of mobile from the ground up. The mission is to make connectivity as seamless and modern as the apps we use every day—and the team is backed by experienced founders and operators who know how to build and scale consumer tech. If More ❯

About Us We craft cutting-edge mobile experiences that captivate users and deliver meaningful impact. As our team continues to expand, we’re looking for a detail-oriented Mobile QA Tester to help ensure our iOS and Android apps meet the highest standards of quality and performance. 🔍 What You’ll Be Doing Develop and maintain manual … and automated test plans, cases, and scripts for mobile platforms (iOS and Android). Log and track bugs with clear reproduction steps, prioritization, and supporting visuals (screenshots or videos). Collaborate closely with product managers, designers, and engineers to understand user journeys and technical requirements. Conduct regression, compatibility, performance, and exploratory testing across various devices, OS versions, and … planning and provide input on potential risks. Support test automation initiatives and assist with managing test environments and data. 🧠 What We’re Looking For Hands-on experience testing mobile apps on iOS and/or Android (using real devices or emulators). Solid grasp of mobile QA practices including functional, usability, compatibility, and performance testing. Familiarity More ❯

About Us We craft cutting-edge mobile experiences that captivate users and deliver meaningful impact. As our team continues to expand, we’re looking for a detail-oriented Mobile QA Tester to help ensure our iOS and Android apps meet the highest standards of quality and performance. 🔍 What You’ll Be Doing Develop and maintain manual … and automated test plans, cases, and scripts for mobile platforms (iOS and Android). Log and track bugs with clear reproduction steps, prioritization, and supporting visuals (screenshots or videos). Collaborate closely with product managers, designers, and engineers to understand user journeys and technical requirements. Conduct regression, compatibility, performance, and exploratory testing across various devices, OS versions, and … planning and provide input on potential risks. Support test automation initiatives and assist with managing test environments and data. 🧠 What We’re Looking For Hands-on experience testing mobile apps on iOS and/or Android (using real devices or emulators). Solid grasp of mobile QA practices including functional, usability, compatibility, and performance testing. Familiarity More ❯

About Us We craft cutting-edge mobile experiences that captivate users and deliver meaningful impact. As our team continues to expand, we’re looking for a detail-oriented Mobile QA Tester to help ensure our iOS and Android apps meet the highest standards of quality and performance. 🔍 What You’ll Be Doing Develop and maintain manual … and automated test plans, cases, and scripts for mobile platforms (iOS and Android). Log and track bugs with clear reproduction steps, prioritization, and supporting visuals (screenshots or videos). Collaborate closely with product managers, designers, and engineers to understand user journeys and technical requirements. Conduct regression, compatibility, performance, and exploratory testing across various devices, OS versions, and … planning and provide input on potential risks. Support test automation initiatives and assist with managing test environments and data. 🧠 What We’re Looking For Hands-on experience testing mobile apps on iOS and/or Android (using real devices or emulators). Solid grasp of mobile QA practices including functional, usability, compatibility, and performance testing. Familiarity More ❯

About Us We craft cutting-edge mobile experiences that captivate users and deliver meaningful impact. As our team continues to expand, we’re looking for a detail-oriented Mobile QA Tester to help ensure our iOS and Android apps meet the highest standards of quality and performance. 🔍 What You’ll Be Doing Develop and maintain manual … and automated test plans, cases, and scripts for mobile platforms (iOS and Android). Log and track bugs with clear reproduction steps, prioritization, and supporting visuals (screenshots or videos). Collaborate closely with product managers, designers, and engineers to understand user journeys and technical requirements. Conduct regression, compatibility, performance, and exploratory testing across various devices, OS versions, and … planning and provide input on potential risks. Support test automation initiatives and assist with managing test environments and data. 🧠 What We’re Looking For Hands-on experience testing mobile apps on iOS and/or Android (using real devices or emulators). Solid grasp of mobile QA practices including functional, usability, compatibility, and performance testing. Familiarity More ❯

per day Location: London (Light hybrid) We’re looking for a seasoned Full Stack React Native Engineer with a proven track record of building and scaling high-quality mobile applications end-to-end. You’ll be joining a fast-paced product team … delivering impactful mobile experiences to a global user base. What you’ll do Build and maintain robust mobile apps using React Native and Expo Optimise app performance, implement modern architecture patterns, and handle push notifications, offline-first features, and state management Collaborate on backend APIs (REST or GraphQL) and integrate secure authentication methods - JWT, OAuth … What you bring 5+ years of professional software development experience 3+ years hands-on React Native and Expo experience Strong understanding of the mobile development lifecycle and app deployment processes Experience with database design (SQL or NoSQL) and backend integrations Proven AWS deployment experience and familiarity with Infrastructure as Code (CDK) Knowledge of monitoring, logging, and application More ❯