
What we are building?
Businesses need to manage a lot of user infrastructure like authentication, identity verification, user management, security and fraud prevention. Developing these solutions in-house can increase the go to market time, deviation from solving key problem, security lapses and frictional user journeys and lead to business losses. To cater these requirements of an expanding business we provide an one stop solution.
Our mission is to remove technical barriers for the companies when it comes to user infrastructure and create seamless structure for integration with our platform that handles security and provides simple and secure access to digital assets.
Sign3 is looking for an Android Developer.
What you will do?
- Own Android SDKs, working hand-in-hand with the founding team
- Design and build delightful user interfaces for native apps on Android
- You will be (co-) responsible for our software development kit (SDK) for Android
- Building mobile apps in both Swift and Kotlin.
- You work independently on your own code, but you also spend time collaborating with others.
- You are involved in all stages of app development and contribute to the roadmap.
- You get the freedom to experiment with new Android technology.
- Ownership — advocate for projects and solutions that need to be launched ground up.
Experience
- Min 2 to 4 years in developing Android applications in Java / Kotlin / C++ /
- Gradle/Groovy.
- Worked on SDKs/Frameworks.
- Strong understanding of software design patterns as well as Android specifics.
- Experience with authenticated sessions using authentication tokens and have at-least
- fundamental knowledge of app security.
- Good to have:-
- Experience with Cross-platform frameworks is a plus (React Native, Flutter, Cordova,
- Xamarin).
- Have implemented security standards and guides.
- Experience building applications at scale.
- Experience with third-party libraries and APIs like Mobile Vision, MLKit and/or
- Camera API.
- Good understanding of garbage collection, design patterns and continuously
- discover, evaluate, and implement new technologies to maximise development
- efficiency.
- Unit-test code for robustness, including edge cases, usability, and general
- reliability

About SIGN3 Technology
About
Connect with the team
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Candidates must have an educational background in Computer Science or a related computer field.
A Master’s degree in Computer Science (or equivalent) is highly preferred.
Bachelor’s degree holders (BE/B.Tech) are eligible only if their specialization is in Computer Science or a directly related field.
CDAC candidates will be considered only if their prior academic background is in Computer Science or a relevant computer discipline. Experience:
Minimum 2 years of hands-on experience in Android application development.
Technical Skills:
Proficient in Kotlin and Java for Android development.
Solid understanding of Android SDK, Android Studio, and core Android frameworks.
Experience with MVVM architecture and best practices for modular, maintainable code.
Familiarity with modern libraries: Jetpack components (LiveData, ViewModel, Flow,Navigation, Room, etc.), Retrofit, Dagger/Hilt for dependency injection.
Good grasp of threading, background tasks (Coroutines/WorkManager), and app lifecycle management.
Knowledge of RESTful APIs, JSON parsing, and efficient network communication.
Experience with version control systems, preferably Git.
I need someone to work on a chat application on iOS. Someone with experience in objective C and swift with problem solving skills
Key Responsibilities:
- Conceptualizing and formulating apps that are suitable for use on all types of Android devices.
- Implementing measures to safeguard users' data.
- Ensuring that the construction and presentation of your apps are congruent with the company's standards.
- Proofreading your code and correcting mistakes before each app is released.
- Collaborating with UI and UX Designers, as well as Software Testers, to ensure that each app is presentable and in perfect working order.
- Liaising with the marketing department to ensure consistency in our company's 'voice' across the board.
- Monitoring app reviews to detect areas for improvement.
- Creating app updates, including bug fixes and additional features, for release.
Key Competencies (Functional):
- Proficiency in Java, Kotlin, or C++.
- Ability to use the Android Studio, including the Android SDK, with ease.
- Proficient in code versioning tools including Mercurial, Git, and SVN.
- Knowledge of C-based libraries.
- Familiarity with push notifications, APIs, and cloud messaging.
- Experience with continuous integration.
Experience: 3-5 Years Experience
Skills:
Javascript, Node JS, HTML, CSS, Advanced JS
Location : Ahmedabad only
NO WORK FROM HOME
ONLY WORK FROM OFFICE
About Hive
Hive is the leading provider of cloud-based AI solutions for content understanding, trusted by the world’s largest, fastest-growing, and most innovative organizations. The company empowers developers with a portfolio of best-in-class, pre-trained AI models, serving billions of customer API requests every month. Hive also offers turnkey software applications powered by proprietary AI models and datasets, enabling breakthrough use cases across industries. Together, Hive’s solutions are transforming content moderation, brand protection, sponsorship measurement, context-based ad targeting, and more.
Hive has raised over $120M in capital from leading investors, including General Catalyst, 8VC, Glynn Capital, Bain & Company, Visa Ventures, and others. We have over 250 employees globally in our San Francisco, Seattle, and Delhi offices. Please reach out if you are interested in joining the future of AI!
About Role
In order to execute our vision, we need to grow our team of best-in-class engineers. The ideal candidate is an experienced iOS Developer with demonstrated leadership and technical skills. You are receptive to feedback and an open collaborator who prioritizes team success. You are constantly learning, and using new tools and technology to broaden your skill set as a developer. You care deeply about the user experience and refuse to ship a product that is mediocre for our users.
Responsibilities
- Maintain a clean and extensible code base
- Take ownership of whole projects on your own, but also willing to be a contributing member of your iOS development team as a whole
- Work across disciplines with team members from front-end, backend, design, and product to ship features
- Help maintain our shared internal frameworks and create some of your own
- Actively participate in product decisions, ensuring we set reasonable development deadlines and create quality user experiences
- Build components the entire team can use across apps
- Track and analyze KPIs to improve our products and processes
Requirements
- You have an undergraduate degree or graduate degree in computer science or a similar technical field from a top university
- You have 2+ years of experience as an iOS Developer or Software Engineer
- You have mastery of Swift and Objective-C (objective-c experience is plus but not strictly necessary)
- You owned or were a primary contributor, to the development of at least one application on the app store
- You are very familiar with new technologies, open-source frameworks and commonly used design patterns
- You have demonstrated expertise in OO design, data structures, and problem-solving • You can write multi-threaded, asynchronous code and have a good understanding of functional programming
- You have experience shipping quickly and often and can debug performance bottlenecks
- You are a team player - no job is too small, or too big!
Who We Are
We are a group of ambitious individuals who are passionate about creating a revolutionary AI company. At Hive, you will have a steep learning curve and an opportunity to contribute to one of the fastest-growing AI start-ups in San Francisco. The work you do here will have a noticeable and direct impact on the development of the company.
Thank you for your interest in Hive and we hope to meet you soon!
Gobillion is a YCombinator backed IIM-NIT alumni co-founded social commerce startup headquartered in San Francisco, USA with offices in New Delhi, Bangalore and Guwahati. We are bringing e-commerce 2.0 to the next 400 million online customers across India, through a community and social driven approach. Our co-founding has diversified experience with prestigious organizations including McKinsey & Company, Deloitte US, EY, Adobe and SAP Labs.
Gobillion has been rapidly scaling and is backed by some of the world’s most prestigious investors from US, Europe, SE Asia and India including - YCombinator, Justin Mateen (Founder - Tinder), Pioneer Fund, Soma Capital, Venture Souq, Goodwater Capital, LetsVenture, Vikalp Sahni (Co-Founder- Gobibibo) amongst others.
We have been selected for and globally validated by the world’s leading investors/accelerators including YCombinator, Founder Institute Silicon Valley, NASSCOM 10000 Startups - India and Assam Startup. We have been named as the Top 10 Global startup for YCombinator S21 by Alex Mitchell.
Summary of role:
As a Developer, you will be working alongside our product team in the conceptualization, design and development of app and frontend components. You will be doing the following on the job
- Write clean, manageable code and maintain proper documentation
- Reviewing application requirements and interface designs.
- Developing and implementing highly-responsive user interface components using Android material design concepts
- Writing application interface codes using Java, Android
- Developing and implementing front-end architecture to support user interface concepts.
- Monitoring and improving front-end performance.
Why Join Us?
- You will have a chance to be a leader and have the responsibility to scale Gobillon across India's most fast growing cities
- The opportunity to join one of India’s fastest growing companies at an early stage - We are giving our early team members to benefit from a strong ESOP pool and be part of our growth journey
- Joining an amazing team of Gobillion rockstars from colleges like IIMs, IITs, NITs etc. and from organizations including McKinsey & Company, Deloitte US, EY, Adobe, SAP Labs, Urban Company, Udaan, Amazon, Delivery, Ninjacart, Accenture etc.
- Wear the Gobillion badge with pride - We are looking for owners with a founder’s mindset - not just employees. If you are passionate about our mission about making e-commerce social for the next 400M customers in India and serve as culture carriers - we are the right place for you!
Key Responsibilities of this Role:
- At least three years of production level experience in working with native Android using Kotlin, Java
- Bachelors in Computer Science (or equivalent work experience) is preferred
- Understanding of key design principles.
- At least one Android app developed by you must be live
- Experience with responsive and adaptive design.
- In-depth knowledge and passion for Java, Kotlin, CSS, HTML, OOPs and front-end languages
- If you have worked on an app (on Android) used by 100K+ users, you will be preferred.
Location: Rajarhat, Kolkata
Experience: 3 to 5 years
Salary: upto 12 lakhs
Qualification: B. Sc./ Bachelor's in Computer Science
Responsibilities and Requirements:
• Android & iOS app development using Flutter.
• Flutter projects in the past.
• Flutter and Kotlin knowledge for Android application development.
• Working experience on Flutter SDK & Dart Programming Languages.
• Working experience on usage of Flutter widgets for iOS/Android.
• Basic understanding of SDLC.
We are looking for an analytical, results-driven, responsible, hardworking Android Developer
who will work with fast-paced team members to troubleshoot, improve and add to current
android applications and processes, prototype new and redesign features. You should have
excellent communication, programming, and problem-solving skills and should be a
team-player.
You should have done some personal project apart from the company's projects or contributed
to open source projects.
Responsibilities:
● Work closely with our product and design teams.
● A focus on UI design principles.
● Architecting solutions with complete ownership of feature or product.
● Writing efficient android code in Java/Kotlin following MVVM framework guidelines.
● Tracing and profiling.
Requirements:
● Experience of building Android applications in Java/Kotlin
● Good knowledge of ReactNative is a great plus.
● Strong understanding of object-oriented software development.
● Understanding of large and complex code bases, including API design techniques to
help keep them clean and maintainable.
● Familiarity with popular android libraries/methods like OkHTTP, Dagger2 , Fresco, Glide.
● Familiarity with latest android platform changes.
● Knowledge of Data structures and algorithms
● Deep understanding of complete life cycle of android app development
● Knowledge of Android Jetpack / Architecture components
Who we are
ixigo is an AI-based travel app that helps millions of users plan and book their trips every day. Launched in 2007, ixigo is proud to have built numerous industry-first AI-innovations over the last decade. With pre-emptive help from ixigo at every touch-point of their journey, 150 million Indians are now making smarter travel decisions every year. ixigo uses Artificial Intelligence for deal discovery, personalized recommendations, dynamic marketing, airfare predictions, train delay information, PNR confirmation status, infrastructure cost optimization, business intelligence and providing fully-automated customer service over chat and voice. This makes ixigo a lean, tech-intensive and capital-efficient travel business, serving millions of travelers with a team size of under 200. Founded in 2007 by Aloke Bajpai & Rajnish Kumar, ixigo’s investors include Sequoia Capital India, Fosun RZ Capital, SAIF Partners, MakeMyTrip & Micromax.
The iOS Team
Our iOS team is always keen to stay ahead of the curve by always adopting the latest tech in the valley. We were first to market with adopting iPhone X layout, implementing ARKit in 2017, and Siri Shortcuts in 2018. We have been featured across app store over a dozen times in the past 2 years in Today, Apps, and Travel section.
At ixigo, new ideas have a way of becoming great products, services, and customer experiences very quickly. Bring passion and dedication to your job and there's no telling what you could accomplish. So, if you love everything about Apple and our beloved Swift, we would love you to join our iOS arsenal to build the best travel apps in the world and get our hands on whatever comes up in the next WWDC and iOS.
Role & Responsibility
As an iOS Developer, You will be involved in all aspects of development playing a critical role in the design, planning, development, and deployment and help develop best practices for future development. You will be working closely with Tech, Design, and Quality team to build and launch the product.
- Developing, releasing, and maintaining native iOS Applications Lead and oversee mobile application development efforts
- Deliver across the entire app life cycle, design, build, deploy, test, release to app stores and support
- Working directly with developers and product managers to conceptualize, build, test and realize products
- Work on bug fixing and improving application performance.
- Continuously discover, evaluate, and implement new technologies to maximize development efficiency
- Optimizing performance for the apps and keep up to date on the latest industry trends in mobile technologies
Skills & Qualifications
- In-depth understanding of Swift
- Up to date experience with UIKit, CoreLocation, Core Data(or Realm) and other iOS frameworks
- Experience writing multi-threaded, asynchronous code
- A track record in leading projects, mentoring peers and collaborating with technical and business partners
- Good understanding of fundamental Computer Science concepts
- Ability to work under pressure and manage difficult situations in a fast-paced work environment
- Excellent interpersonal skills and ability to work well with all levels of engineers
- Loves fast-paced environment and learning new technologies.
- Deeply concerned about excellence and perfection in products and services
- Experience with Test Driven Development is a plus
Compensation: Commensurate to skills & experience; comparable to the best in the industry.
Culture: ixigems enjoy a fun and rewarding work atmosphere. We do not believe in hierarchies, and we encourage communication and constructive collaboration. We believe in the personal growth of individuals, creative approaches to solve real-world problems, and questioning the status quo!
- Candidate Must be well versed with latest SDK versions, XCode, Objective C, Swift, UIKit, Cocoa etc.
- Expertise in integrating web services (XML/ JSon etc.) with iPhone applications.
- An experience in using Maps API, GPS services for iPhone/ iOS apps is required.
- Experience with third-party libraries and APIs.
- Working knowledge of the general mobile orientation, architectures, trends, and emerging technologies.
- Experience working with iOS frameworks such as Core Data, Core Animation, Core Graphics and Core Text, Core Location.
- To take care of build and release process (Adhoc releases, Final release).
- Should have worked on cocoa touch, story board, core data, auto layout.
- Hands-on experience in Cloud APIs, push notifications, social media integration, and integration of analytics is an added advantage.
- Must have good analytical, debugging, App publishing and problem solving skills.
- Self-starter having the ability to independently acquire the knowledge required in succeeding his job.








