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mobile application engineer

Codelab Technologies

Are you a talented UI/UX Designer passionate about creating stunning and user-friendly mobile application designs? Join our team on a project basis and contribute to building innovative apps that delight users!Responsibilities:- Collaborate with our development team to design intuitive and visually appealing mobile app interfaces.- Create wireframes, prototypes, and high-fidelity designs that align with project requirements and user needs.- Ensure a seamless user experience across various platforms (iOS and Android).- Work closely with clients and stakeholders to gather feedback and refine designs.- Stay updated on the latest UI/UX trends, tools, and best practices.Requirements:- Proven experience in designing mobile applications (please include a portfolio with your application).- Proficiency in design tools (FIGMA IS A MUST)- Strong understanding of user-centered design principles and UX best practices.- Excellent communication and collaboration skills.- Ability to deliver high-quality designs within tight deadlines.Job Type: Contract Contract length: 4 weeksPay: Rs80,000.00 - Rs100,000.00 per monthApplication Question(s):<ul><li>How many of your Mobile app design projects in App Store?</li></ul>Experience:<ul><li>FIGMA: 5 years (Required)</li><li>total work: 10 years (Required)</li></ul>Language:<ul><li>English (Required)</li></ul>Work Location: In person

Mobile Application UI/UX Designer (Project Basis)

Acclivousbyte

We are looking for a skilled Mobile Application Developer with strong expertise in Kotlin. The ideal candidate will have hands-on experience building high-quality Android applications and the creativity to craft innovative user experiences.Key Responsibilities<ul><li>Design, develop, test, and maintain Android applications using Kotlin.</li><li>Collaborate closely with UI/UX designers, product managers, and backend engineers to deliver seamless features.</li><li>Ensure performance, scalability, and reliability across different Android devices and OS versions.</li><li>Optimize applications, identify bottlenecks, and fix bugs to ensure smooth functionality.</li><li>Work with APIs, third-party libraries, and SDKs as needed.</li><li>Follow best practices for version control using Git.</li><li>Stay connected with Android trends to propose new ideas and improvements.</li></ul>Requirements<ul><li>Minimum 2-3 years of professional experience in Android development.</li><li>Strong proficiency in Kotlin and the Android SDK.</li><li>Solid understanding of Jetpack components, MVVM architecture, and Kotlin Coroutines.</li><li>Familiarity with RESTful APIs and third-party service integrations.</li><li>Strong UI/UX awareness and ability to build intuitive mobile experiences.</li><li>Proven debugging, troubleshooting, and performance optimization skills.</li><li>Proficiency with version control systems like Git.</li><li>Excellent problem-solving abilities, attention to detail, and a passion for innovation.</li></ul>Job Type: Full-timeWork Location: In personJob Type: Full-timePay: From Rs130,000.00 per monthWork Location: In person

Mobile Application Developer - Android

Cyngro

We&rsquo;re looking for a Mobile App Developer who&rsquo;s passionate about creating seamless, high-performance mobile experiences and bringing creative ideas to life.Responsibilities<ul><li>Design, develop, and maintain high-quality mobile applications for Android and/or iOS.</li><li>Collaborate with designers, product managers, and backend developers to deliver smooth, functional, and visually appealing apps.</li><li>Write clean, maintainable, and efficient code following best practices.</li><li>Optimize app performance, identify bottlenecks, and fix bugs.</li><li>Stay updated with the latest mobile technologies, frameworks, and trends.</li></ul>Requirements<ul><li>1-2 years of proven experience as a Mobile App Developer (React Native).</li><li>Strong understanding of RESTful APIs, third-party integrations, and state management.</li><li>Experience with Firebase, Push Notifications, App Store / Play Store deployment.</li><li>Ability to work collaboratively in a team environment.</li><li>Excellent communication and problem-solving skills.</li></ul>Job Type: Full-timePay: Rs80,000.00 - Rs200,000.00 per monthWork Location: In person

Mobile App Developer/React Native

Zee Palm Pvt. Ltd.

We&rsquo;re looking for a passionate Mobile App Developer to design, develop, and maintain high-quality Android and iOS apps. You&rsquo;ll work closely with designers and backend teams to create seamless, user-friendly experiences.Key Responsibilities<ul><li>Design and build advanced mobile apps using Flutter (native Java/Kotlin experience is a plus)</li><li>Collaborate with cross-functional teams to define and ship new features</li><li>Integrate RESTful APIs, Firebase, and third-party libraries</li><li>Identify and fix bugs, improve performance, and ensure stability</li><li>Write clean, scalable, and maintainable code following best practices</li><li>Participate in code reviews and share knowledge with the team</li><li>Stay updated with the latest mobile tech and UI/UX trends</li></ul>Required Skills &amp; Qualifications<ul><li>Bachelor&rsquo;s degree in Computer Science, Software Engineering, or related field</li><li>2&ndash;3 years of experience in mobile app development</li><li>Strong command of Flutter; knowledge of native Android (Java/Kotlin) is a plus</li><li>Experience with Firebase, REST APIs, and backend integrations</li><li>Understanding of UI/UX principles for mobile</li><li>Familiar with Git (GitHub/GitLab)</li><li>Experience publishing to Google Play and App Store</li><li>Hands-on with state management (GetX, Provider)</li><li>Attention to detail, ownership mindset, and a problem-solving attitude</li></ul>Location: On-site DHA EME, LahoreType: Full-timeJob Type: Full-timeWork Location: In person

Mobile App Developer

GamiZone

Role DescriptionThis is a full-time on-site role for a QA Tester (Mobile Apps) located in Lahore. The QA Tester will be responsible for executing test plans, analyzing test results, ensuring quality assurance of mobile applications, performing manual testing, and creating and managing test cases. The role involves collaborating with development teams to identify and resolve issues and improve the overall performance of mobile apps.Qualifications<ul><li>Proficiency in Test Execution and creating and managing Test Cases</li><li>Max 2 years of experience in testing mobile apps.</li><li>Strong Analytical Skills and ability to identify issues and bugs</li><li>Experience in Quality Assurance processes</li><li>Manual Testing skills and experience</li><li>Excellent attention to detail and problem-solving abilities</li><li>Ability to work collaboratively in a team environment</li><li>Bachelor's degree in Computer Science, Information Technology, or related field</li></ul>Job Types: Full-time, Contract Contract length: 12 monthsPay: Rs40,000.00 - Rs60,000.00 per monthWork Location: In person

QA Engineer (Mobile Apps)

Job Title: QA Engineer (Mobile Applications) Location: DHA-EME, Lahore Employment Type: Full-Time-OnsiteJob Overview: We are seeking a detail-oriented and proactive QA Engineer to ensure the quality and stability of our mobile applications. The ideal candidate will be responsible for testing, identifying issues, and collaborating with developers and designers to deliver smooth, bug-free app experiences across platforms.Key Responsibilities:<ul><li>Perform functional, regression, usability, and performance testing on mobile applications.</li><li>Test apps across multiple devices, OS versions, and screen sizes to ensure compatibility.</li><li>Identify, document, and track bugs, issues, and inconsistencies using tools like Jira or ClickUp.</li><li>Collaborate closely with developers, designers, and project managers to ensure high-quality releases.</li><li>Create, execute, and maintain test cases, test plans, and test reports.</li><li>Validate bug fixes and ensure all issues are resolved before release.</li><li>Continuously improve testing processes and contribute to QA best practices.</li></ul>Requirements:<ul><li>Bachelor&rsquo;s degree in Computer Science, Software Engineering, or related field.</li><li>1&ndash;3 years of experience in mobile application testing (Android &amp; iOS).</li><li>Strong understanding of QA methodologies, SDLC, and STLC.</li><li>Familiarity with manual and automated testing tools (Appium, Selenium, etc.) is a plus.</li><li>Excellent analytical, problem-solving, and communication skills.</li><li>Attention to detail with a focus on user experience and quality.</li></ul>Job Type: Full-timeWork Location: In person

QA Engineer

Sublime Wireless Inc

AI Model Optimization &amp; Fine-Tuning Engineer (On-Device, Fully Offline)About the RoleWe are seeking a hands-on AI Model Optimization Engineer with proven experience in taking large base models, fine-tuning, distilling, and quantizing them for fully offline mobile deployment. This role requires real-world experience with model compression, dataset preparation, and mobile inference optimization for Android/iOS devices.Responsibilities<ul><li>End-to-end pipeline: data prep &rarr; fine-tuning &rarr; distillation &rarr; quantization &rarr; mobile packaging &rarr; benchmarking.</li><li>Apply PTQ/QAT quantization and distillation to deploy LLMs and multimodal models onto devices with limited memory/thermal budgets.</li><li>Format and prepare datasets for fine-tuning (tokenization, tagging, deduplication, versioning).</li><li>Optimize models for battery efficiency, low latency, and minimal RAM usage.</li><li>Benchmark and debug inference performance with Perfetto, Battery Historian, Instruments, etc.</li><li>Collaborate with app teams to integrate optimized models.</li></ul>Mandatory Skills Checklist (Applicants must demonstrate experience in ALL of the following)&#9989; Quantization &amp; Distillation<ul><li>Post-Training Quantization (PTQ) and Quantization-Aware Training (QAT).</li><li>Methods like AWQ, GPTQ, SmoothQuant, RPTQ.</li><li>Knowledge of 4-bit/8-bit schemes (INT4, INT8, FP4, NF4).</li><li>Distillation methods (teacher&ndash;student, logit matching, feature distillation).</li></ul>&#9989; Fine-Tuning &amp; Data Handling<ul><li>LoRA/QLoRA/DoRA/AdaLoRA fine-tuning.</li><li>Instruction-tuning pipelines with PyTorch + Hugging Face.</li><li>Dataset formatting: JSONL, multi-turn dialogs, tagging, tokenization (SentencePiece/BPE).</li><li>Deduplication, stratified sampling, and eval set creation.</li></ul>&#9989; On-Device Deployment<ul><li>Hands-on with at least two runtimes: llama.cpp / GGUF, MLC LLM, ExecuTorch, ONNX Runtime Mobile, TensorFlow Lite, Core ML.</li><li>Experience with hardware acceleration: Metal (iOS), NNAPI (Android), GPU/Vulkan, Qualcomm DSP/NPU, XNNPACK.</li><li>Real-world deployment: must provide examples of models running fully offline on mobile (tokens/s, RAM usage, device specs).</li></ul>&#9989; Performance &amp; Benchmarking<ul><li>Tools: Perfetto, systrace, Battery Historian, adb stats (Android); Xcode Instruments, Energy Log (iOS).</li><li>Profiling decode speed, cold start vs. warm start latency, RAM usage, and energy consumption.</li></ul>&#9989; General<ul><li>Strong PyTorch and Hugging Face experience.</li><li>Clear documentation and ability to explain optimization trade-offs.</li></ul>Nice to Have<ul><li>Open-source contributions to LLM quantization/edge-AI frameworks.</li><li>Prior deployment of Qwen, LLaMA, Gemma, or Mistral families onto mobile devices.</li><li>Multilingual or low-resource dataset experience (Urdu, Arabic, Hindi, etc.), including tokenization, script handling, and fine-tuning.</li><li>Familiarity with multimodal (ASR/TTS/VAD) integration on device.</li></ul>Application RequirementsApplicants must include in their application:<ul><li>A short case study of a model they have fine-tuned (dataset + method + results).</li><li>A short case study of a model they have quantized/distilled for mobile (framework + bit-depth + device + performance metrics).</li><li>Links to GitHub repos, papers, or APK/TestFlight builds if available.</li></ul>Job Type: Full-timePay: Rs250,000.00 - Rs400,000.00 per monthWork Location: In person

AI Model Optimization & Fine-Tuning Engineer

Explore 1086+ Mobile application engineer in Lahore this November. Find roles across top companies and apply now to boost your career.