Mobile App Performance

We are looking for detail-oriented Mobile App Testers based in Brazil to conduct a series of performance tests on the Uber and 99 applications. · ...

We are looking for an experienced mobile app developer to help us implement a set of well-defined improvements focused on performance optimization, UX flow, · data consistency, · and monetization stability. · Android · iOS · Tablet ...

We're seeking an elite performance marketer to lead paid acquisition for a fast-growing B2C DMV permit test mobile app. · This test project offers potential for a long-term role based on performance. Responsibilities include scaling user acquisition across Meta and Google Ads, fo ...

We need help stabilizing and improving the performance of an app created with AI. · ...

We are a fast-growing AI-powered nutrition subscription app seeking a senior performance growth marketer to lead paid acquisition and funnel optimization. · ...

+Job summary · Looking for an experienced mobile app developer to improve an existing application's architecture, performance, · & overall user experience.This is not a basic bug-fix task — solid understanding of app structure, · clean coding practices,& optimization techniques i ...

We are looking for a skilled developer to create a sports app that enhances performance by utilizing sounds from historical sports moments. · The app will need to cater to various sports, integrating auditory cues that inspire athletes to reach their peak potential. · ...

We are seeking an experienced performance advertising specialist to promote our social mobile app. · Creatives will be provided by us. · Mandatory skills: · Market Analysis, · Android, · Facebook, · Google Analytics,, , Mobile marketing · , ...

We are looking for an experienced Shopify app performance expert to help us significantly improve the Largest Contentful Paint (LCP) and overall admin performance of our embedded Shopify application. · Analyze LCP bottlenecks in Shopify Admin context · Optimize: Initial JS bundle ...

We are looking for an expert FlutterFlow developer to build a high-performance entertainment app focused on Clean Comedy short-form videos. The app requires a highly optimized video feed, specific user retention logic (progressive onboarding), and a unique Challenge Mode that inv ...

+Job summary · Axion connects directly to a Bluetooth wearable band and provides supportive daily health recovery and mental wellbeing guidance. · +Responsibilities · - iOS app (android later)Bluetooth connection to OME smart band via SDK-read data such as heart rate, HRV/RR inte ...

We are seeking a skilled Flutter developer to optimize our application's performance and significantly reduce unnecessary rebuilds.The ideal candidate will analyze the existing codebase, identify performance bottlenecks, and implement efficient solutions to enhance the user exper ...

We have an existing React web app that's live but running into UI bugs and performance issues.What we need help with · Fixing UI and functional bugs · Improving rendering and data-loading performance · Cleaning up and refactoring messy TypeScript code where needed ...

We are seeking an experienced Kotlin developer with a track record of delivering published apps with over 100k installations. The ideal candidate will be a full-stack developer familiar with Firebase integration and mobile app development. · ...

We are seeking a skilled professional to conduct Vulnerability Assessment and Penetration Testing (VAPT), security testing, and performance testing for our newly developed social chatting Android and web applications. · ...

We are seeking an experienced mobile app developer to create a complementary app for our mental performance training website.Ideal candidates will have a strong portfolio in mobile app development and a passion for mental health and performance enhancement. · ...

Experienced developer to optimize restaurant management web app performance on Base44 with mobile speed and responsiveness focus. · ...

We are looking for a UI/UX redesigner to elevate the visual experience of our mental infrastructure tool.The tool helps leaders debug stress and optimize performance using CBT frameworks. · ...

We are launching a Spanish-first digital product for the LATAM market in the personal growth / guidance space. · Define positioning in a competitive AI-driven landscape · Develop clear differentiation strategy · ...

Seeking an expert full-stack developer to build a high-performance responsive web application with seamless user experience across devices. · ...