Hiring – Android Developer @ Underscore TechnologyLocation: Kolkata (In-Office Only)Experience: 3+ YearsDomain: System-level Android | AOSP | Custom Launchers | ROMs About UsUnderscore Technology Private Limited is one of the top tech firms in Eastern India, dealing in Android, iOS, and Smart TV development, UI/UX design, AWS cloud services, digital transformation, and e-commerce solutions. We don't merely develop apps — we develop high-performance digital experiences that resonate with our customers. With our passionate team of developers, designers, and consultants, we're empowering businesses across all sizes to grow faster and smarter. What You'll DoBuild & optimize a custom Launcher – make it slick, smooth, and powerfulCustomize ROMs – yep, we’ve run VS Code on AndroidExplore hidden APIs and unlock Android’s undocumented potentialTackle system-level challenges – because we go way deeper than typical app developmentCollaborate with a cross-functional team to create the best user experiencesBuild, maintain, and evolve Android apps that perform and scale Required SkillsStrong command of Java and KotlinSolid understanding of Android SDK, Jetpack libraries, and Material DesignProficiency in MVVM/MVC architecture and clean code practicesExperience in using Room, Retrofit, Data Binding, LiveData, ViewModelFamiliarity with Gradle, ADB, Logcat, and debugging toolsAbility to build responsive UI layouts using ConstraintLayout, MotionLayout, etc.Understanding of background tasks using WorkManager, JobScheduler, ServicesHands-on experience with Firebase, push notifications, and analyticsVersion control using GitExperience publishing apps to Google Play StoreUnit testing and/or UI testing is a big plus What Makes You a Great FitYou know how Android really works (not only the app level)You've played with AOSP, Launcher3, or custom ROMs – or are excited to learnYou can dig into source code and figure out what's actually happeningYou enjoy solving system-level issues and fine-tuning Android experiencesYou're a team player who enjoys working together to solve problems

Company Description Underscore Technology Private Limited is a leader in Eastern India for Android, iOS, and Smart TV app development, UI/UX design, AWS cloud solutions, digital transformation, and e-commerce. With a focus on providing high-quality services tailored to clients' unique needs, we deliver cutting-edge technology solutions. Our dynamic and innovative team stays ahead by leveraging the latest tools and technologies to ensure maximum efficiency and effectiveness for each client's specific requirements. Role Description This is a full-time on-site role for a Fabric.js Developer located in Kolkata. The Fabric.js Developer will be responsible for designing and developing interactive web applications using the Fabric.js library. Day-to-day tasks include creating custom interactive elements, integrating with backend services, and optimizing application performance. Qualifications Proficiency in Fabric.js programmingExperience in designing and developing interactive web applicationsStrong JavaScript and HTML5 skillsKnowledge of backend services integrationExperience in optimizing application performanceExcellent problem-solving and debugging skillsAbility to work collaboratively in a team environmentBachelor's degree in Computer Science, Software Engineering, or related field

Hiring – Android Developer @ Underscore Technology Location : Kolkata (In-Office Only) Experience : 2+ Years Domain : System-level Android | AOSP | Custom Launchers | ROMs About Us Underscore Technology Private Limited is one of the top tech firms in Eastern India, dealing in Android, iOS, and Smart TV development, UI/UX design, AWS cloud services, digital transformation, and e-commerce solutions. We don't merely develop apps — we develop high-performance digital experiences that resonate with our customers. With our passionate team of developers, designers, and consultants, we're empowering businesses across all sizes to grow faster and smarter. What You'll Do Build & optimize a custom Launcher – make it slick, smooth, and powerful Customize ROMs – yep, we’ve run VS Code on Android Explore hidden APIs and unlock Android’s undocumented potential Tackle system-level challenges – because we go way deeper than typical app development Collaborate with a cross-functional team to create the best user experiences Build, maintain, and evolve Android apps that perform and scale Required Skills Strong command of Java and Kotlin Solid understanding of Android SDK , Jetpack libraries , and Material Design Proficiency in MVVM/MVC architecture and clean code practices Experience in using Room, Retrofit, Data Binding, LiveData, ViewModel Familiarity with Gradle, ADB, Logcat, and debugging tools Ability to build responsive UI layouts using ConstraintLayout, MotionLayout, etc. Understanding of background tasks using WorkManager, JobScheduler, Services Hands-on experience with Firebase , push notifications, and analytics Version control using Git Experience publishing apps to Google Play Store Unit testing and/or UI testing is a big plus What Makes You a Great Fit You know how Android really works (not only the app level) You've played with AOSP, Launcher3, or custom ROMs – or are excited to learn You can dig into source code and figure out what's actually happening You enjoy solving system-level issues and fine-tuning Android experiences You're a team player who enjoys working together to solve problems Job Types: Full-time, Permanent Pay: Up to ₹800,000.00 per year Benefits: Health insurance Provident Fund Schedule: Day shift Monday to Friday US shift Weekend availability Supplemental Pay: Performance bonus Ability to commute/relocate: Kolkata, West Bengal: Reliably commute or planning to relocate before starting work (Required) Education: Bachelor's (Required) Experience: Android Development: 3 years (Required) total work: 3 years (Required) Language: English (Required) Location: Kolkata, West Bengal (Required) Application Deadline: 08/05/2025

Hiring – Android Developer @ Underscore Technology Location : Kolkata (In-Office Only) Experience : 2+ Years Domain : System-level Android | AOSP | Custom Launchers | ROMs About Us Underscore Technology Private Limited is one of the top tech firms in Eastern India, dealing in Android, iOS, and Smart TV development, UI/UX design, AWS cloud services, digital transformation, and e-commerce solutions. We don't merely develop apps — we develop high-performance digital experiences that resonate with our customers. With our passionate team of developers, designers, and consultants, we're empowering businesses across all sizes to grow faster and smarter. What You'll Do Build & optimize a custom Launcher – make it slick, smooth, and powerful Customize ROMs – yep, we’ve run VS Code on Android Explore hidden APIs and unlock Android’s undocumented potential Tackle system-level challenges – because we go way deeper than typical app development Collaborate with a cross-functional team to create the best user experiences Build, maintain, and evolve Android apps that perform and scale Required Skills Strong command of Java and Kotlin Solid understanding of Android SDK , Jetpack libraries , and Material Design Proficiency in MVVM/MVC architecture and clean code practices Experience in using Room, Retrofit, Data Binding, LiveData, ViewModel Familiarity with Gradle, ADB, Logcat, and debugging tools Ability to build responsive UI layouts using ConstraintLayout, MotionLayout, etc. Understanding of background tasks using WorkManager, JobScheduler, Services Hands-on experience with Firebase , push notifications, and analytics Version control using Git Experience publishing apps to Google Play Store Unit testing and/or UI testing is a big plus What Makes You a Great Fit You know how Android really works (not only the app level) You've played with AOSP, Launcher3, or custom ROMs – or are excited to learn You can dig into source code and figure out what's actually happening You enjoy solving system-level issues and fine-tuning Android experiences You're a team player who enjoys working together to solve problems Job Types: Full-time, Permanent Pay: Up to ₹800,000.00 per year Benefits: Health insurance Provident Fund Schedule: Day shift Monday to Friday US shift Weekend availability Supplemental Pay: Performance bonus Ability to commute/relocate: Kolkata, West Bengal: Reliably commute or planning to relocate before starting work (Required) Education: Bachelor's (Required) Experience: Android Development: 3 years (Required) total work: 3 years (Required) Language: English (Required) Location: Kolkata, West Bengal (Required) Application Deadline: 08/05/2025

Hiring – Android Developer @ Underscore Technology Location : Kolkata (In-Office Only) Experience : 2+ Years Domain : System-level Android | AOSP | Custom Launchers | ROMs About Us Underscore Technology Private Limited is one of the top tech firms in Eastern India, dealing in Android, iOS, and Smart TV development, UI/UX design, AWS cloud services, digital transformation, and e-commerce solutions. We don't merely develop apps — we develop high-performance digital experiences that resonate with our customers. With our passionate team of developers, designers, and consultants, we're empowering businesses across all sizes to grow faster and smarter. What You'll Do Build & optimize a custom Launcher – make it slick, smooth, and powerful Customize ROMs – yep, we’ve run VS Code on Android Explore hidden APIs and unlock Android’s undocumented potential Tackle system-level challenges – because we go way deeper than typical app development Collaborate with a cross-functional team to create the best user experiences Build, maintain, and evolve Android apps that perform and scale Required Skills Strong command of Java and Kotlin Solid understanding of Android SDK, Jetpack libraries, and Material Design Proficiency in MVVM/MVC architecture and clean code practices Experience in using Room, Retrofit, Data Binding, LiveData, ViewModel Familiarity with Gradle, ADB, Logcat, and debugging tools Ability to build responsive UI layouts using ConstraintLayout, MotionLayout, etc. Understanding of background tasks using WorkManager, JobScheduler, Services Hands-on experience with Firebase , push notifications, and analytics Version control using Git Experience publishing apps to Google Play Store Unit testing and/or UI testing is a big plus What Makes You a Great Fit You know how Android really works (not only the app level) You've played with AOSP, Launcher3, or custom ROMs – or are excited to learn You can dig into source code and figure out what's actually happening You enjoy solving system-level issues and fine-tuning Android experiences You're a team player who enjoys working together to solve problems Show more Show less

Hiring – Android Developer @ Underscore Technology Location : Kolkata (In-Office Only) Experience : 2+ Years Domain : System-level Android | AOSP | Custom Launchers | ROMs About Us Underscore Technology Private Limited is one of the top tech firms in Eastern India, dealing in Android, iOS, and Smart TV development, UI/UX design, AWS cloud services, digital transformation, and e-commerce solutions. We don't merely develop apps — we develop high-performance digital experiences that resonate with our customers. With our passionate team of developers, designers, and consultants, we're empowering businesses across all sizes to grow faster and smarter. What You'll Do Build & optimize a custom Launcher – make it slick, smooth, and powerful Customize ROMs – yep, we’ve run VS Code on Android Explore hidden APIs and unlock Android’s undocumented potential Tackle system-level challenges – because we go way deeper than typical app development Collaborate with a cross-functional team to create the best user experiences Build, maintain, and evolve Android apps that perform and scale Required Skills Strong command of Java and Kotlin Solid understanding of Android SDK, Jetpack libraries, and Material Design Proficiency in MVVM/MVC architecture and clean code practices Experience in using Room, Retrofit, Data Binding, LiveData, ViewModel Familiarity with Gradle, ADB, Logcat, and debugging tools Ability to build responsive UI layouts using ConstraintLayout, MotionLayout, etc. Understanding of background tasks using WorkManager, JobScheduler, Services Hands-on experience with Firebase , push notifications, and analytics Version control using Git Experience publishing apps to Google Play Store Unit testing and/or UI testing is a big plus What Makes You a Great Fit You know how Android really works (not only the app level) You've played with AOSP, Launcher3, or custom ROMs – or are excited to learn You can dig into source code and figure out what's actually happening You enjoy solving system-level issues and fine-tuning Android experiences You're a team player who enjoys working together to solve problems Show more Show less

Hiring – Android Developer @ Underscore Technology Location : Kolkata (In-Office Only) Experience : 2+ Years Domain : System-level Android | AOSP | Custom Launchers | ROMs About Us Underscore Technology Private Limited is one of the top tech firms in Eastern India, dealing in Android, iOS, and Smart TV development, UI/UX design, AWS cloud services, digital transformation, and e-commerce solutions. We don't merely develop apps — we develop high-performance digital experiences that resonate with our customers. With our passionate team of developers, designers, and consultants, we're empowering businesses across all sizes to grow faster and smarter. What You'll Do Build & optimize a custom Launcher – make it slick, smooth, and powerful Customize ROMs – yep, we’ve run VS Code on Android Explore hidden APIs and unlock Android’s undocumented potential Tackle system-level challenges – because we go way deeper than typical app development Collaborate with a cross-functional team to create the best user experiences Build, maintain, and evolve Android apps that perform and scale Required Skills Strong command of Java and Kotlin Solid understanding of Android SDK, Jetpack libraries, and Material Design Proficiency in MVVM/MVC architecture and clean code practices Experience in using Room, Retrofit, Data Binding, LiveData, ViewModel Familiarity with Gradle, ADB, Logcat, and debugging tools Ability to build responsive UI layouts using ConstraintLayout, MotionLayout, etc. Understanding of background tasks using WorkManager, JobScheduler, Services Hands-on experience with Firebase , push notifications, and analytics Version control using Git Experience publishing apps to Google Play Store Unit testing and/or UI testing is a big plus What Makes You a Great Fit You know how Android really works (not only the app level) You've played with AOSP, Launcher3, or custom ROMs – or are excited to learn You can dig into source code and figure out what's actually happening You enjoy solving system-level issues and fine-tuning Android experiences You're a team player who enjoys working together to solve problems

We are looking for a passionate and experienced Senior Full Stack Developer with 5–6 years of hands-on expertise in React.js , Node.js , and Next.js . The ideal candidate will have a solid background in relational database management (PostgreSQL) , strong software architecture skills, and a proven ability to lead code reviews, build scalable systems, and communicate effectively with clients and internal teams. Key Responsibilities Lead and actively participate in code reviews , ensuring adherence to best practices and high code quality. Design and architect scalable, maintainable web applications . Manage and optimize relational databases , especially PostgreSQL . Work closely with clients and stakeholders to gather and refine technical requirements . Build responsive, high-performance web applications using React.js , Node.js , and Next.js . Provide mentorship and technical guidance to junior developers . Troubleshoot and resolve technical issues efficiently and proactively. Write clean, maintainable, and well-documented code . Required Qualifications 5–6 years of proven experience as a Full Stack Developer . Strong command over React.js, Node.js, and Next.js frameworks. Deep expertise in PostgreSQL and general RDBMS concepts . Solid understanding of software architecture , design patterns, and modern development practices. Excellent problem-solving and analytical skills. Ability to work independently and lead small development teams . Exceptional communication and client-facing skills. Preferred Qualifications Bachelor's degree in Computer Science , Engineering , or a related field. Experience working in Agile/Scrum development environments. Familiarity with CI/CD pipelines and DevOps workflows.