mobile app engineer

SOC Solutions LLC

<p><b>Position:</b> Senior React Native Engineer<br/><b>Location:</b> Karachi (On-site)<br/><b>Timing:</b> 12 PM &ndash; 9 PM (Pakistan Time)<br/><b>Company:</b> Botmer.io</p><p><b>About Botmer.io</b><br/>Botmer.io is a global AI-focused software development and staff-augmentation company working with fast-growing startups in the US, Europe, and Middle East. We build AI-driven applications, mobile apps, SaaS platforms, and provide dedicated engineering teams to international clients.</p><p>We are hiring an experienced <b>Senior React Native Engineer</b> to join our high-performing engineering team in Karachi.</p><p><b>Responsibilities</b></p><ul><li>Build and maintain high-quality React Native mobile applications</li><li>Work closely with backend, UI/UX, and product teams</li><li>Optimize app performance, responsiveness, and scalability</li><li>Integrate APIs, third-party libraries, Firebase, and cloud services</li><li>Write clean, reusable, and modular code with best practices</li><li>Conduct code reviews and mentor junior developers</li><li>Work with international clients and attend online meetings</li></ul><p><b>Requirements</b></p><ul><li>3&ndash;5+ years of experience in React Native</li><li>Strong knowledge of JavaScript, TypeScript, Redux, Hooks, Context API</li><li>Experience with Firebase, REST APIs, GraphQL, and push notifications</li><li>Experience with Apple/Google app deployment and store submissions</li><li>Familiarity with native modules (iOS/Android) is a plus</li><li>Strong understanding of Git and CI/CD</li><li>Strong communication and leadership skills</li><li>Must be based in <b>Karachi</b> and comfortable working on-site (full-time)</li></ul><p><b>Nice to Have</b></p><ul><li>Experience with Expo, Fastlane, or automated builds</li><li>Knowledge of backend (Node.js, Python, etc.)</li><li>Experience in AI-related mobile apps (bonus)</li></ul><p><b>What We Offer</b></p><ul><li>Competitive salary based on experience</li><li>Work with global clients and modern stacks</li><li>Growth opportunities, leadership roles, and technical mentorship</li><li>Professional, friendly office environment</li></ul><p>Job Type: Full-time</p><p>Application Question(s):</p><ul><li>What was your last + expected salary for this role?</li><li>This is an urgent hiring. Would be able to join within 1-3 days?</li></ul><p>Experience:</p><ul><li>React Native Development: 6 years (Required)</li></ul><p>Location:</p><ul><li>Karachi (Required)</li></ul><p>Work Location: In person</p>

Sr. React Native Engineer

eMumba

<p></p><div><div><div><div><div><div><div><div><div>We are seeking a <b>Senior/Lead React Native Engineer</b> to take ownership of mobile application architecture, framework, and overall quality. This role goes beyond coding&mdash;it requires establishing best practices, improving architecture, and ensuring delivery of a high-quality, production-grade application across both iOS and Android.</div></div></div>
</div><h2 class="jobSectionHeader"><b>Key Responsibilities
</b></h2><div><div><div><ul><li><b>Architecture &amp; Framework</b><ul>
<li>Define and implement scalable architecture patterns for React Native.</li>
<li>Establish strategies for <b>over-the-air (OTA) updates</b> to streamline app delivery.</li>
</ul></li><li><b>Code Quality &amp; Testing</b><ul>
<li>Set up and maintain a <b>unit testing framework</b> (e.g., Jest, Detox, RN Testing Library).</li>
<li>Enforce <b>linting, static analysis, and code review processes</b> to raise overall code quality.</li>
</ul></li><li><b>CI/CD &amp; Deployment</b><ul>
<li>Implement <b>CI/CD pipelines</b> for automated builds, testing, and deployments.</li>
<li>Optimize release workflows to deliver <b>fast and reliable builds</b> for iOS and Android.</li>
</ul></li><li><b>Analytics &amp; Event Tracking</b><ul>
<li>Verify that <b>event funnels and user interactions</b> are captured correctly.</li>
<li>Collaborate with product and analytics teams to ensure accurate data collection.</li>
</ul></li><li><b>Performance Optimization</b><ul>
<li>Improve application performance, including rendering, load times, and memory usage.</li>
<li>Apply build optimizations for <b>scalable, production-grade delivery</b>.</li>
</ul></li><li><b>Leadership &amp; Mentorship</b><ul>
<li>Provide technical leadership to the mobile team.</li>
<li>Introduce best practices and guide the team in building sustainable solutions.</li>
</ul></li></ul></div></div></div><h2 class="jobSectionHeader"><b>Skills, Knowledge and Expertise
</b></h2><div><div><div><div><b>Requirements</b>
</div><ul><li><b>5+ years of professional experience in React Native</b> building production-grade apps.</li>
<li>Strong expertise in <b>Xcode, Android Studio, native build tools, and deployment workflows</b>.</li>
<li>Hands-on experience with <b>CI/CD pipelines</b> (e.g., GitHub Actions, Fastlane, Bitrise, CircleCI).</li>
<li>Solid knowledge of <b>testing frameworks</b> (Jest, Detox, RN Testing Library).</li>
<li>Proven ability to <b>design scalable architecture and improve code quality</b>.</li>
<li>Strong understanding of <b>analytics and event tracking tools</b> &mdash; including <b>Google Events, Meta Events, and Sentry </b>(for app analytics).</li>
<li>Familiarity with <b>OTA update solutions</b> for React Native.</li>
<li>Experience with <b>TypeScript in React Native projects</b>.</li>
<li>Strong understanding of <b>analytics and event tracking tools</b>.</li>
<li>Excellent debugging, problem-solving, and performance optimization skills.</li>
<li>Ability to <b>lead, mentor, and collaborate</b> effectively.</li>
</ul><div><b>Nice to Have</b>
</div><ul><li>Knowledge of <b>mobile app security, offline-first approaches, and data synchronization</b>.</li>
<li>Familiarity with <b>App Store and Play Store release processes</b>.</li>
<li>Background in scaling apps with <b>large user bases</b>.</li>
</ul></div></div></div><h2 class="jobSectionHeader"><b>About Emumba
</b></h2><div><div>We specialize in delivering innovative solutions and exceptional services to meet the diverse needs of our clients. With a strong commitment to quality and customer satisfaction, we strive to exceed expectations and drive success in every project we undertake.</div></div><p></p><div><br>
</div></div></div></div></div><p></p><div><div><div><div><div><div><div>
</div></div><div><div><p>Department</p>
<p><b>Frontend</b></p>
<p>Employment Type</p>
<p><b>Full Time</b></p>
<p>Location</p>
<p><b>Islamabad, Pak</b></p>
<p>Workplace type</p>
<p><b>Hybrid</b></p></div></div></div></div></div></div></div></div><p></p>

Senior/Lead React Native Engineer

Viabletree

<p><b>What You'll do? </b></p><p>&#9679;Design, develop, and maintain our cross-platform mobile application using React Native and<br/>TypeScript.<br/>&#9679; Develop and maintain our FE application build on Vue and Quasar.<br/>&#9679; Collaborate with Product, Backend, and Design teams to define and implement new features<br/>end-to-end.<br/>&#9679; Integrate RESTful and WebSocket APIs for real-time data and emotion analytics.<br/>&#9679; Ensure app performance, scalability, and security across both iOS and Android platforms.<br/>&#9679; Own the entire release process&mdash;publishing and maintaining apps on the Apple App Store and<br/>Google Play Store.<br/>&#9679; Write robust unit and integration tests using Jest or Vitest to ensure code quality and reliability.<br/>&#9679; Monitor app performance, debug complex issues, and proactively optimize for speed and<br/>stability.<br/>&#9679; Stay up-to-date with the latest React Native ecosystem updates, tools, and performance<br/>optimization techniques.</p><p><b>What We&rsquo;re Looking For </b></p><p>&#9679; 5+ years of commercial software development experience.<br/>&#9679; 2+ years of hands-on experience building and maintaining production mobile apps with React<br/>Native.<br/>&#9679; Strong proficiency with TypeScript and the React Native ecosystem.<br/>&#9679; Basic Vue + Quasar experience<br/>&#9679; Proven experience with the App Store and Play Store publishing and maintenance processes.<br/>&#9679; Solid understanding of mobile app architecture, API integration, and state management.<br/>&#9679; Proficiency in writing unit and integration tests with Jest or Vitest.<br/>&#9679; Excellent communication and collaboration skills&mdash;able to work closely with cross-functional</p><p><b>What We Offer:</b></p><ul><li>Competitive salary with performance-based incentives.</li><li>Company-paid daily lunch.</li><li>Medical coverage.</li><li>Supportive and collaborative work environment.</li><li>Continuous learning and professional growth opportunities.</li></ul><p>Job Type: Full-time</p><p>Work Location: In person</p>

Senior React Native Developer

Sunreef Yachts

<div><p><b>About Sunreef Yachts</b></p><div><br>
Sunreef Yachts is a global leader in luxury catamaran and yacht manufacturing, known for innovation, craftsmanship, and sustainability<br>
To support this innovation, we are seeking a talented Mobile Application Developer to join our team and create world-class mobile applications for i0S and Android that connect seamlessly with our onboard systems<br>
<br>
<b>Key Responsibilities:</b><br>
<br>
<ul><li>Design, develop, and maintain iOS and Android mobile applications for yacht automation, monitoring, and user experience.</li><li>Integrate mobile apps with backend systems, PLCS, CAN bus, Modbus, NMEA 2000, and loT devices.</li><li>Collaborate with Ul/UX designers to deliver modern, intuitive, and responsive interfaces.</li><li>Optimize applications for performance, stability, and security.</li><li>Implement features such as remote yacht control, system monitoring, push notifications, multimedia integration, and secure connectivity.</li><li>Work closely with the software, hardware, and electrical engineering teams to ensure smooth data flow (OPC UA, Modbus, MQTT, etc.)</li></ul>
<br>
Test, debug, and troubleshoot applications on multiple devices and platforms.<br>
Stay updated with the latest mobile development trends, frameworks, and tools.<br>
<br>
<b>Qualifications &amp; Skills:</b><br>
<br>
<ul><li>Bachelor's degree in Computer Science, Software Engineering, or related field.</li><li>Proven experience in developing and publishing mobile apps on App Store and Google Play.</li><li>strong proficiency in Swift (0S) and Kotlin/Java (Android).</li><li>Experience with cross-platform frameworks (Flutter, React Native, Xamarin) is a plus</li><li>Knowledge of network protocols (REST, WebSocket, MQTT) and secure APl integration.</li><li>Experience with IoT or industrial automation systemns (CAN bus, NMEA, Modbus, OPC UA) is an advantage.</li></ul>
Familiarity with Ul/UX best practices for mobile design.<br>
<ul><li>Strong problem-solving, debugging, and optimization skills.</li><li>Ability to work in a fast-paced, collaborative, and innovative environment.</li></ul>
Passion for marine technology, luxury Lifestyle applications, or smart home/yacht automation is a strong plus.</div><p><b><br>
What We Offer</b></p><p>
Competitive salary and benefits package.
</p><p>Opportunity to work on innovative and sustainable yacht projects.
</p><p>Supportive, growth-oriented, and multicultural work environment.
</p><p>Exposure to international standards and advanced technologies.</p></div>

Mobile Application Developer

VIION

<p>VIION Technology is looking for Mobile app Developer.</p><ul><li>You will design and build advanced applications using the Flutter framework to build cross-platform mobile applications for both iOS and Android plateform.</li><li>As the Flutter/Java Engineer, you will take ownership of the mobile development.</li></ul><p>Must have:</p><ul><li>A Graduation degree in computer science, software engineering, information technology or related fields.</li><li>1 Year + Experience in Java android and cross-platform mobile software development (Android/iOS) using Flutter</li><li><b>Experience with the design, development and/or consumption of RESTful and 3rd party APIs</b></li><li>Excellent knowledge with Xcode and Android Studio.</li><li>Proficiency with Mobile programming language dart and Java</li><li>Have published (one or more) Mobile apps in the Google Play store and App Stores.</li><li>Experience with Git or similar version control systems</li><li>Strong OOP and database concepts.</li><li>Excellent adaptability skills, quick learner with new technologies, and agile SDLC experience.</li><li>Excellent problem-solving and analytical skills.</li><li>Excellent organizational skills and attention to detail</li></ul><p>Job Types: Full-time, Contract<br/>Contract length: 12 months</p><p>Education:</p><ul><li>Bachelor's (Required)</li></ul><p>Location:</p><ul><li>Lahore Gulberg Colony (Required)</li></ul><p>Work Location: In person</p>

Flutter Application developer

Funprime technologies Pvt Ltd

<p><b>Job description:</b></p><p>Funprime Technology is looking for a Jr. QA Engineer who&rsquo;s passionate about ensuring high-quality mobile applications. If you have an eye for detail and love finding bugs before users do &mdash; we&rsquo;d love to meet you!</p><p>Key Responsibilities:</p><ul><li>Perform <b>manual testing</b> on Android and iOS mobile applications.</li><li>Identify, document, and track <b>bugs, issues, and performance bottlenecks</b>.</li><li>Collaborate with developers, designers, and project managers to ensure smooth app releases.</li><li>Conduct <b>functional, regression, usability, and compatibility</b> testing.</li><li>Write and maintain clear <b>test cases, test plans, and reports</b>.</li><li>Verify app functionality across different devices, screen sizes, and OS versions.</li><li>Participate in <b>release validation</b> and quality assurance sign-offs.</li></ul><p>Requirements:</p><ul><li><b>6months &ndash;1 years</b> of hands-on experience in <b>mobile app testing</b> (Android/iOS).</li><li>Strong understanding of <b>QA processes, SDLC, and bug lifecycle</b>.</li><li><b>Ad's</b> testing Experience required.</li><li>Familiarity with <b>testing tools</b> such as Jira, TestRail, or similar platforms.</li><li>Knowledge of <b>Android Studio</b> for APK builds/logs is a plus.</li><li>Excellent analytical, problem-solving, and communication skills.</li><li>A team player with strong attention to detail.</li><li>Onsite position &ndash; <b>Islamabad (I-11/3)</b></li></ul><p>Job Type: Full-time</p><p>Job Type: Full-time</p><p>Work Location: In person</p>

Jr. QA Engineer (Mobile App Testing)

SAVE IN GOLD

<p><b>Job Title: Cyber Security Engineer (Mobile &amp; Web Trading Apps)</b></p><p><b>Location: Dubai, UAE</b></p><p><b>Employment Type: Full-time / On-site</b></p><p><b>Experience: 3&ndash;6 years</b></p><p>We are looking for a Cyber Security Engineer to help secure our mobile trading apps, admin panel, backend services, and APIs.</p><p>The ideal candidate will have deep knowledge of ethical hacking, fintech app security, and experience testing real-world trading and payment flows.</p><p><b>Key Responsibilities</b></p><ul><li>Mobile App Security (Android/iOS)</li><li>Perform VAPT for mobile trading applications.</li><li>Test for jailbreak/root bypass, insecure storage, SSL pinning bypass.</li><li>Identify insecure API usage, data leaks, weak authentication, and session flaws.</li></ul><p><b>Admin Panel / Web Application Security</b></p><ul><li>Perform penetration testing on admin panel and web dashboards.</li><li>Identify vulnerabilities such as privilege escalation, weak access controls, and session hijacking.</li><li>Test business logic flows for fraud, unauthorized actions, and workflow manipulation.</li></ul><p><b>Backend &amp; API Security</b></p><ul><li>Test backend services and APIs for unauthorized access, broken authentication, and parameter tampering.</li><li>Check for missing rate limits, replay attacks, injection flaws, and insecure configurations.</li><li>Validate transaction integrity, trade execution logic, and wallet operations.</li></ul><p><b>Trading Platform Security</b></p><ul><li>Test trading-specific flows for:</li><li>Order manipulation</li><li>Replay attacks</li><li>Race conditions</li><li>Incorrect settlement issues</li><li>Evaluate fraud and abuse scenarios including bots, fake orders, and automation attacks.</li></ul><p><b>General Security Responsibilities</b></p><ul><li>Conduct manual and automated penetration testing.</li><li>Review code/configuration for encryption, authentication, and secure communication.</li><li>Validate encryption at rest/in transit and key management (HSM/KMS).</li><li>Prepare detailed vulnerability reports with severity and recommendations.</li><li>Work closely with development, QA, and backend teams for secure fixes.</li><li>Ensure compliance with OWASP, ISO 27001, secure coding, and fintech security standards.</li><li>Verify security logging, monitoring, and alerting for suspicious activities.</li><li>Stay updated on latest hacking tools and threat trends for mobile, web, and backend systems.</li></ul><p><b>Required Skills</b></p><ul><li>Strong understanding of mobile app security, admin panel/web security, and backend/API security.</li><li>Hands-on experience with Burp Suite, ZAP, Postman, Nmap, MobSF, Frida, or similar tools.</li><li>Good understanding of OWASP Top 10, Mobile Top 10, API Security Top 10, SAST/DAST.</li><li>Experience with trading, wallet, and payment flows.</li><li>Knowledge of replay attacks, race conditions, spoofing, injection, and logic flaws.</li><li>Familiar with cryptography and HSM/KMS key management.</li><li>Experience with anti-bot, rate limits, and session management.</li><li>Strong communication and reporting skills.</li><li>Fintech or banking experience is highly preferred.</li></ul><p><b>Qualifications</b></p><ul><li>Location: Dubai, UAE</li><li>Employment Type: Full-time / On-site</li><li>Experience: 3&ndash;6 years</li></ul><p>Job Type: Full-time</p><p>Pay: AED4,000.00 - AED6,000.00 per month</p>

Cyber Security Engineer (Mobile App • Admin Panel • Backend & API – Trading Apps)

Search 10000+ Mobile app engineer jobs near you this November. New roles added regularly across leading industries. Apply today.