
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 maximize development efficiency.
Unit-test code for robustness, including edge cases, usability, and general
reliability

About SIGN3 Technology
About
Connect with the team
Similar jobs

Looking to grow your career with a global leader?
Join the Indian unit of a multi-billion dollar German MNC (owned by Schneider Electric) that offers:
- High Growth: 20% YoY expansion building world-beating software.
- True Balance: Peak performance with a 4.1 Glassdoor rating for work-life balance.
Apply to the job below!
Sr. Flutter (Mobility) Developer
Location: Nashik / Pune (Baner)
Employment Type: Full-time
Experience Required: 7 to 10 Years
Experience
- 5+ years of hands-on Flutter experience in production environments
- Experience delivering enterprise-grade mobile applications deployed to app stores
- Strong experience working in Agile / Scrum environments
- Hands-on experience participating in technical design discussions
- Exposure to guiding or mentoring junior developers is preferred
- Demonstrable AI-augmented engineering practice — daily use of AI coding assistants
Required Skill Set
- Strong expertise in Flutter and Dart, with experience building scalable mobile applications
- Solid understanding of mobile architecture patterns (MVC / MVP / MVVM, Clean Architecture basics)
- Experience with state management solutions (BLoC, Riverpod, Provider, etc.)
- Proficiency in building modular Flutter applications and reusable UI components
- Good understanding of Android and iOS fundamentals, lifecycles, and platform limitations
- Knowledge of and ability to leverage iOS and Android platform capabilities, including native features (rich push notifications, app shortcuts, deep OS integration), background tasks, automation, and device-level integrations (sensors, geofencing, NFC, Bluetooth)
- Experience with REST / GraphQL API integration and network handling
- Knowledge of secure coding practices and basic mobile security concepts
- Experience in performance optimization, memory management, and efficient rendering
- Familiarity with CI/CD pipelines, automated testing (unit, widget, integration), and build processes
- Experience with app store releases, versioning, rollout, and production support
- Strong collaboration skills with backend, QA, DevOps, and product teams
- Active, daily use of AI coding assistants as part of a personal engineering workflow
- Ability to articulate where AI accelerates work and where it falls short
- Habit of reviewing, testing, and questioning AI-generated code rather than accepting it blindly
- Comfort with prompt iteration, context-setting, and prompting patterns for code, refactors, and debugging
- Curiosity about emerging AI tooling in the mobile space (AI-assisted UI generation, on-device LLMs, AI-powered testing, etc.)
Responsibilities
- Design, develop, and maintain robust Flutter mobile applications
- Translate functional and technical requirements into clean, maintainable code
- Collaborate closely with mobile architects to align with platform standards and best practices
- Participate in code reviews, ensuring quality and consistency — including reviewing AI-generated contributions with the same rigor as human-written code
- Contribute to technical design and solution discussions, including how AI can be applied to product features and to the development workflow itself
- Identify and resolve performance, stability, and usability issues
- Write unit, widget, and integration tests to ensure application quality
- Support release activities, bug fixes, and production issues
- Mentor junior developers and promote engineering best practices, including responsible and effective use of AI tooling
- Stay current with the evolving AI tooling landscape and share learnings with the team
Introduction :
iOS is one of the world’s leading mobile platforms, which makes Aertrip’s iOS app supremely important. Millions of users worldwide shall access Aertrip via the iOS app. You will have the opportunity to build one of the most amazingly designed apps in the world. The app shall be a benchmark - not just in the field of travel but for app developers worldwide across categories. So far, we've built a reasonably-sized, high-powered team and are always striving to be the best place to work we can be.
Our Tech Deck :
Architecture
Linux
Docker
HAProxy
Nagios
Munin
Backend & Servers
PHP
MySql
MongoDB
Redis
Memcached
Frontend
JavaScript
jQuery
Sass/Less
GruntJs
Bower
NPM
Repositories
Git
Collaboration
Slack
Evernote
Google Drive
Your Part :
You would be responsible for the complete development and continuous improvement of our iOS app.
Preferred Qualification & Experience :
Bachelor's Degree in Computer Science or equivalent experience/knowledge
5+ years of software engineering
3+ years of IOS platform experience, with strong background in algorithms.
Proficient with Swift, Objective-C, and Cocoa Touch
Experience with iOS frameworks such as X Code, Core Data, Core Animation, etc.
Familiarity with RESTful APIs to connect iOS applications to back-end services
Understanding of Apple’s design principles and interface guidelines
Knowledge of third party SDK integrations.
Hands-on technical experience with scalable Architecture.
Unit-test code for robustness, including edge cases, usability, and general reliability
Experience with performance and memory tuning
Familiarity with cloud message APIs and push notifications
Knowledge of other web technologies and UI/UX standards
Proficient understanding of code versioning tools such as Git
Preferred Skills & Abilities :
As a Developer:
Write clean, manageable code and maintain proper documentation
Capable of designing large applications with stabllity and performance
Continuously discover, evaluate, and implement new technologies and frameworks to maximise development efficiency
Excellent command over Data Structures and Algorithms
Familiarity with continuous integration
Strong problem solving and analytical skills
Knack for benchmarking and optimization
Passion for quality and innovation
An eye for detail
As a team player
Collaborate with cross-functional teams to define, design, and ship new features
Ability to manage and drive small teams
Ability to work independently in small teams
Estimate timelines and deliver as per schedule
Responsible and capable of meeting tight deadlines
Thrive in a variable and demanding startup environment
Collaborate with multiple disciplines like product, engineering, marketing, research and support, and enjoy working in a collaborative environment
Understand technical and business needs and fulfil them
|
Skills: React Native, RESTFUL API, AWS, GIT Roles & Responsibility:
|
||
| Internal Notes: |
-Strong understanding of Swift & Objective-C, MVC/MVVM, and Cocoa APIs/frameworks
-Experience with AVFoundation, CoreData,Core location, CoreAnimation, CoreGraphics, NSURLSession,
iOS background modes, tvOS, JSON, CocoaPods,3D touch.
-Familiarity with RESTful APIs to connect iOS applications to back-end services.
-Strong understanding of Apple's design principles and interface guidelines.
-Strong understanding of auto layout and UI implementation.
-Strong understanding of Git.
-Understanding of the full mobile development life cycle.
-Experience with third-party libraries and APIs.
-Establish unit-test code for robustness, including edge cases, usability, and general reliability.
-Knowledge in making network calls using Alamofile(swift), AFNetworking(Objective - C), and using native
NSURLSession.
-Good debugging skills and knowledge to use Instruments App.
-App store deployment and certificate management knowledge.
-Knowledge in Firebase Real-Time dB and FCM will be a plus.
-Experience in implementing universal linking in iOS.
Key Responsibilities
-
Build, iterate, and enhance mobile applications on Android.
-
Continue to evaluate innovative approaches on Android and present new ideas to improve our offering on Android and other mobile platforms.
-
Ensures that code developed is easy to test, easy to understand, extensible and meets the quality guidelines of the business unit.
-
Partner closely with the design team to create an intuitively easy to use application for our users.
-
Bring new features in the course taking experience to the Android platform.
-
Optimize the existing code for ease of use and performance and improve quality.
-
Continue to improve the development process. Evaluate and implement new tools as needed.
-
Lead and Contribute to a team culture that values quality while fostering initiatives and innovation.
-
Knowledge of the common application/web security and OWASP vulnerabilities.
-
Knowledge of the encryption algorithms to protect sensitive information.
-
Knowledge of PII, PCI, HIPPA, and GDPR compliance and how to implement.
-
Understanding of security breaches of data-in-transit and data-at-rest and knowledge in implementation for both.
-
Knowledge/Aware of finding the vulnerabilities of the third-party components/libraries used in the application and remediating vulnerabilities.
-
Integrate with multiple devices & printers
Requirements
Required skillset:
Java, Android SDK, Rest API, SQLLite, Json, Enterprise mobility management (EMM) and EMV, POS application in Android(preferably version 4.4 Kitkat and API level 19 and above)
Good to have:
Play store deployment, push notifications, Web services, Android Location Services, Google Maps API, GIT
Desired Competencies:
Problem Solving Approach, Analytically strong, Time Management skills, Passionate to learn new technologies and working in an agile environment.
Job Description
About:
Market network for digital creators. The platform provides a marketplace for YouTubers, twitch streamers, Instagrammers. It provides tools to creators to build their brand, business, and unlock new revenue streams while growing existing revenue streams.
Creators today find themselves at the mercy of social media platforms to get their content out in front of their fans. Its is a seed funded startup building a platform to encourage more creators to take full control of their growth, become self-sufficient, and not get exploited.Softwares have streamlined other industries to great benefit in the last 25 years. We think it’s inevitable that it will also happen in our ecosystem. In the last decade, we saw Shopify do that for e-commerce entrepreneurs and AngelList empower tech entrepreneurs. We want to do the same for media entrepreneurs. How do we plan on doing this? By helping creators globally to engage deeply with their fans and communities; monetize much earlier into their journeys of being successful independent businesses and empower them to effectively manage their business. The founding team of CreatorStack is a diverse mixture of seasoned technology entrepreneurs, musicians, content creators, and artists. We love solving problems. And we love solving them as a team. If you believe that chasing your creativity should be financially rewarding, then come join us.
Roles & Responsibilities:
- Work on a disruptive product that’s still in its early stages
- Be responsible for the development and maintenance of the CreatorStack mobile app aimed at iOS and Android
- Translate designs and wireframes into high-quality code
- Ensure the best possible performance, quality, and responsiveness of the CreatorStack app
- Mentor other engineers, define our technical culture and help to build a fast-growing team.
Must Have:
- Have experience in product development, architecture, and design for a 2 to 5 years
- Are proficient in Flutter language
- Have the ability to learn and look for ways to improve yourself and the processes around you
- Have strong knowledge of iOS and Android frameworks and the ability to deal with different screen sizes
- Are proficient with RESTful api's to connect mobile applications to back-end services
- Experience with storage, threading, and performance tuning
- The ability to mentor and support other team members by doing code reviews and applying your experience in process and technical leadership
- Experience working with agile team environments and if you are a self-starter, conscientious member of the team
- Good knowledge in pixel-perfect implementation of designs
Nice to have:
- If you have worked in a fast product-driven culture and have the ability to build an experience that solves users' problems - we like to work with team members who have a solid hold on product and design thinking
- If you have led teams in your past experiences
- If you also have experience in working with languages like React and Swift
Benefits :
- It is a market network platform for internet native digital content creators turns their passion into a profitable venture. Our products help them accelerate growth and increase direct monetization for creators around the globe
We are looking for a React Native Developer who will be responsible for building native applications that can run on multiple platforms such as Android & iOS.
Job Responsibilities:
- You will work as a part of a team to build React Native iOS/ Android Applications for clients.
- Integrate third-party API’s
- Architect, build and maintain excellent react native applications with clean code.
- Write unit and integration tests
- Work with native modules when required.
- Build pixel-perfect, buttery smooth UIs across both mobile platforms.
- Diagnose and fix bugs.
- Building reusable code and libraries for future use.
- Implementation of security and data protection.
Skills Requirement
- Hands-on Experience with React/Redux/React Native API, ReactJS.
- Should have knowledge about GraphQL and TypeScript.
- Thorough understanding of React Native development tools like IDEs (Nuclide, Atom, Sublime Text, or Visual Studio Code)
- Ability to keep code elegant and clear.
- 6 months experience as a React Native developer
Who can apply
Only those candidates can apply who:
1. Are from Surat
2. Have relevant skills and interests
3. Ready to work in Office only
* Women wanting to start/restart their careers can also apply.
Send Your CV on WhatsApp +91 7777 960 192
Job Type: Full-time
Total Work Experience: 1 year (Preferred)
Currently, we are looking for engineers who are skilled, passionate, driven, and a wee bit crazy (yes, crazy works! ) to join our tribe. The small tweaks you make, the processes you alter, the experiments you run, and the business decisions you drive will have reverberating effects on our ability to add value to our customers and keep them coming back for more.
Responsibilities:
- Work on cutting edge technical systems and seek to do things no one else has done before.
- Work with a group of people who believe in the utmost transparency and ethical practices.
- Work with full autonomy and high ownership of outcomes
- Add value to our user's life • Evolve as a professional through a learning and challenging journey.
Requirements:
- 4+ years of overall work experience, and a minimum of 2 years of experience in Android development
- Excellent knowledge of Java, Kotlin and Android eco-system
- Experience in software engineering best practices and design principles
- Prior experience in working on scalable Android App • Capable of handling web service integration - RESTful, JSON, SOAP, XML
- A focus and passion for Mobile UI & UX to make apps exciting for the user
- Excellent debugging and optimisation skills
- Rapid prototyping skills for getting product feedback
- Understanding of product development lifecycle
- Experience in React Native is a bonus
Seenit’s suite of apps enables the leading retailers around the world to transform their customer experience and build loyal relationships with their customers. The apps allow retailers to make use of their physical infrastructure and resources to deliver a truly omnichannel experience in today's rapidly changing world of shopping.
We would welcome someone to the team who:
- Loves to write “clean”, well designed code to solve complex problems
- Can design, develop and test the core product software to ensure strong optimization and functionality
- Is inclined to contribute in all phases of the development lifecycle and takes end to end ownership of the project
- Is excited to support others to succeed and shine in a collaborative team culture
Your application will require you to have:
- Just some previous projects to showcase, no need for CV immediately
You should work with us because:
- We’re a relaxed diverse group and don’t take ourselves too seriously
- We're creative and want to change the world while we're at it (yes we do!)
- Our products have an international audience and our partners are around the globe
- Team lunches are more frequent than team meetings
- We love to travel and will ask you to take time off to refresh







