Mobile Security Engineer (Android) at PayJoy | Jakarta

PayJoyJakarta

On-site Full-time

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Experience Level

Experience

Qualifications

Qualifications:Proficient in Android security protocols and device management. Experience with testing and maintaining security technologies. Strong analytical skills for identifying vulnerabilities. Ability to work collaboratively with cross-functional teams. Familiarity with machine learning and AI-driven security solutions is a plus.

About the job

About PayJoy

PayJoy is a pioneering credit provider committed to empowering underrepresented customers in emerging markets, assisting them in attaining financial stability and success. Our patented secured credit technology offers a gateway for new customers to enter the credit landscape. With PayJoy's innovative point-of-sale financing and card solutions, customers can access modern quality of life improvements. Our credit services also enable customers to leverage opportunities as micro-entrepreneurs and serve as a safety net during challenging times. Utilizing advanced machine learning, data science, and anti-fraud AI, we have positively impacted over 18 million customers by 2025 while ensuring sustainable profitability for continued growth.

Role Overview

As a Mobile Security Engineer specializing in Android, you will play a crucial role in testing and maintaining PayJoy's proprietary device locking technology. This involves safeguarding against various bypass techniques and tools after each Over-The-Air (OTA) update, modifications to our locking technology, and updates to in-market tools.

About PayJoy

PayJoy is a forward-thinking credit provider focusing on facilitating access to credit for underserved markets. Our innovative solutions not only help individuals gain access to financial resources but also empower them to transform their lives through micro-entrepreneurship and financial security.

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Android Software Engineer at bjakcareer | Indonesia

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About the RoleJoin bjakcareer as we develop an innovative AI system that enhances user interactions across various platforms on a daily basis. As an Android Software Engineer, you will play a pivotal role in designing and maintaining production-level Android applications that integrate AI seamlessly into the user experience.This position emphasizes building robust, high-performance applications with a focus on delivering reliable, engaging user experiences in AI-driven contexts.Key ResponsibilitiesDevelop and sustain top-tier Android applications using Kotlin.Incorporate AI functionalities, such as chat, vision, voice, and recommendations, through backend APIs.Craft user experience patterns for AI interactions, including real-time responses and adaptive results.Enhance application performance, memory management, and responsiveness for AI-centric workflows.Implement analytics and logging frameworks to facilitate AI performance evaluation and iterative improvements.Collaborate closely with backend and machine learning engineers to define API specifications and system behaviors.Maintain application stability, security, and scalability in production settings.Preferred QualificationsMinimum 3 years of experience in Android development with a strong emphasis on Kotlin.Proven expertise in integrating AI technologies (e.g., LLM, vision, speech APIs).Deep understanding of asynchronous programming (Coroutines, Flow).Familiarity with RESTful or gRPC APIs and data interchange formats.Exceptional debugging and performance profiling abilities.Experience in environments characterized by latency, partial failure, and non-deterministic behavior.Experience with MLKit or on-device inference technologies.Demonstrated success in launching production applications on the Google Play Store.Technology StackKotlin / JavaSQL / NoSQLTensorFlow Lite (on-device inference)Our Work CultureAt bjakcareer, we foster a flat organizational structure with a small, highly motivated team dedicated to engineering and product excellence. Each team member is expected to be hands-on and contribute actively to our mission.

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Join Grab as a Lead Software Engineer specializing in Mobile (Android) for our Fulfilment team. In this pivotal role, you will lead the development of innovative mobile solutions that enhance user experience and operational efficiency. Your expertise will guide the team in building robust applications that cater to our expanding user base.

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Join Grab as a Senior Mobile Software Engineer focusing on Android development in our Fulfillment team. You will be an integral part of a dynamic team dedicated to enhancing our mobile applications, ensuring seamless user experiences, and driving innovative solutions. This role involves collaborating with cross-functional teams to design, develop, and maintain high-quality mobile applications that cater to our customers' needs.

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Senior Android Engineer at Ajaib | Jakarta

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Company Overview:Ajaib is at the forefront of transforming the financial landscape for retail investors in Indonesia. As a premier fintech company, we are eager to welcome a skilled Senior Android Engineer to our innovative team. This role presents a unique opportunity to influence user experiences and spearhead advancements in our Android applications.Key Responsibilities: Create engaging and user-friendly experiences on our Android platform. Take ownership of features from concept through design feedback, implementation, and launch. Develop and execute unit and functional tests for your tasks. Compile and integrate project changes effectively. Collaborate with Product Designers, Product Managers, Backend Engineers, and Data Engineers. Provide mentorship and guidance to junior engineers in contributing to the codebase. Requirements:Over 7 years of professional experience in Android development.Expertise in Kotlin or Java along with a solid understanding of the Android framework.Strong grasp of reactive programming principles.Extensive knowledge of design patterns and their practical applications.Proficient in end-to-end systems development life cycles.Exceptional analytical, decision-making, problem-solving, teamwork, and time management abilities.Bachelor's degree in Computer Science, Engineering, or a related field.Familiarity with Kotlin, RxJava 2, Dagger 2, and other libraries relevant to our tech stack.What Sets You Apart:A proactive approach to enhancing the app and codebase beyond the initial specifications.A passion for monitoring performance through application instrumentation.A strong commitment to ensuring stable and swift build releases.A curious mindset eager to understand internal system workings and a desire to challenge the existing tech stack.Benefits:Join Ajaib and become part of a team dedicated to reshaping the financial landscape!

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Develop and maintain high-quality Android applications with clean, efficient code.Collaborate with stakeholders to gather detailed functional requirements.Create and execute unit and UI tests to ensure software reliability.Diagnose and debug issues to enhance application performance.Work closely with the product development team to strategize and implement new features.Ensure both new and existing applications comply with quality standards.Keep abreast of the latest industry trends and technologies.

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Mobile Security Engineer (Android) at PayJoy | Jakarta

PayJoy

Full-time|On-site|Jakarta

About PayJoyPayJoy is a pioneering credit provider committed to empowering underrepresented customers in emerging markets, assisting them in attaining financial stability and success. Our patented secured credit technology offers a gateway for new customers to enter the credit landscape. With PayJoy's innovative point-of-sale financing and card solutions, customers can access modern quality of life improvements. Our credit services also enable customers to leverage opportunities as micro-entrepreneurs and serve as a safety net during challenging times. Utilizing advanced machine learning, data science, and anti-fraud AI, we have positively impacted over 18 million customers by 2025 while ensuring sustainable profitability for continued growth.Role OverviewAs a Mobile Security Engineer specializing in Android, you will play a crucial role in testing and maintaining PayJoy's proprietary device locking technology. This involves safeguarding against various bypass techniques and tools after each Over-The-Air (OTA) update, modifications to our locking technology, and updates to in-market tools.

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Tech Lead, Android Core Product - Bandung, Indonesia

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Speechify aims to remove barriers to learning by making reading accessible to everyone. Over 50 million people use Speechify’s text-to-speech tools to turn PDFs, books, Google Docs, news, and web content into audio, helping them read faster and understand more. Our products include apps for iOS, Android, Mac, a Chrome extension, and a web application. Speechify was named Chrome Extension of the Year by Google and received Apple’s Design Award for Inclusivity in 2025. We are a distributed team of nearly 200 people working remotely around the world. Our group includes frontend and backend engineers, AI research scientists, and professionals from Amazon, Microsoft, Google, Stanford, Stripe, Vercel, Bolt, and other leading organizations and startups. Role Overview Speechify’s Android app is the most popular text-to-speech app on the Play Store. We are looking for a Tech Lead, Android Core Product, based in Bandung, Indonesia. This senior role will help support our growing user base and lead new projects that further our mission. The right person brings a strategic approach, enjoys making product decisions that matter, and has a record of building strong user experiences in fast-moving teams. Speechify has a flat structure. Every team member can lead by showing technical skill and delivering results. We value strong work ethic, clear communication, and drive. What You’ll Do Own major Android features and work closely with designers to deliver high-quality results. Help set the direction for the Android team. Monitor, maintain, and improve reliability metrics for key features. Collaborate with Product, Design, and Engineering teams. Review pull requests and support other engineers. Tackle critical issues and handle unexpected challenges as they arise. Interview Process The process includes several technical assessments. We aim to complete interviews within one week.

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