
About Darwin Labs
About
Darwin Labs (http://www.darwinlabs.io/" target="_blank">www.darwinlabs.io)
We are Entrepreneurs and Darwinians who enjoy creating businesses.
We are building products on Bitcoin, Blockchain, Cryptocurrencies, Virtual Reality, Augmented Reality and Ad Tech.
We are technology partner for GBMiners (http://www.gbminers.com/" target="_blank">www.gbminers.com), which is second biggest Bitcoin mining pool outside china and currently operating at 5% of Network’s Hashing Power. The pool was launched on 31st August and since then has been the fastest growing bitcoin mining pool globally.
We run South East Asia’s First Blockchain Incubator, Satoshi Studios (http://www.satoshistudios.io/" target="_blank">www.satoshistudios.io). The incubator offers 50K USD in funding to blockchain startups from South East Asia in return for 8 -15% equity.
Incubator is backed by people like Roger Ver and will launch its first batch in second quarter this year
Connect with the team
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About the Role
We are looking for a strong iOS Developer with 3–5 years of professional experience in building scalable, high-performance native applications. The ideal candidate has deep expertise in Swift, strong architectural understanding (MVVM, MVVM-C, VIPER, Clean Architecture), experience contributing to SDKs or modular systems, and a strong foundation in clean coding principles and core computer science fundamentals.
You will take ownership of core modules, ensure high engineering standards, and build reliable, maintainable, and performant mobile systems.
Roles & Responsibilities
• Design and build scalable native iOS applications using Swift, UIKit and/or SwiftUI.
• Architect modular features using MVVM / MVVM-C / VIPER and Clean Architecture principles.
• Contribute to reusable mobile modules or SDK components with clear abstractions and API boundaries.
• Write clean, maintainable, and well-structured code following SOLID principles and best practices.
• Ensure high performance, responsiveness, and efficient memory management.
• Implement robust networking layers integrating RESTful APIs with proper error handling and security considerations.
• Identify bottlenecks, debug crashes and memory leaks, and optimize runtime performance using profiling tools.
• Maintain code quality through reviews, refactoring, and documentation.
• Support CI/CD workflows, version upgrades, and App Store releases.
Must-Have Skills
• 3–5 years of hands-on iOS development experience using Swift.
• Strong understanding of architectural patterns: MVVM, MVVM-C, VIPER, Clean Architecture.
• Experience building modular components or contributing to iOS SDKs.
• Solid understanding of OOP concepts, SOLID principles, and writing clean, extensible code.
• Strong problem-solving ability with good exposure to Data Structures and Algorithms.
• Solid understanding of concurrency (GCD, async/await), threading, and performance optimization.
• Strong knowledge of memory management (ARC), retain cycles, and runtime behavior.
• Experience writing unit tests (XCTest) and building testable systems using dependency injection.
• Proficiency with Git and modern dependency managers (SPM, CocoaPods, Carthage).
• Experience integrating RESTful APIs and working with backend systems.
• Hands-on experience with App Store submission and release processes.
Good to Have
• Experience with dependency injection frameworks (e.g., Swinject).
• CI/CD exposure (Fastlane, Jenkins, GitHub/GitLab pipelines).
• Experience profiling and debugging performance issues in production environments.
• Exposure to AI/ML integrations (CoreML, Vision, or third-party AI services).
• Design and Build cross-platform mobile apps for Android and IOS using Flutter.
• Translate and Build the designs and Wireframes into high-quality responsive UI code.
• Experience in submitting mobile applications to Play Store and App Store.
• Experience with version control tools like Git/Bitbucket.
• Experience with any of the state management solutions like Bloc, Provider, Mobx, etc. knowledge About firebase.
• Mobile app architecture design and optimization.
• 1+ Years of active development in Flutter (Dart)
Responsibilities
• Develop new features using Flutter
• Create reusable widgets and components
• Work on bug fixing and improving application performance.
• Help maintain code quality, organization, and automatization
• Continuously discover, evaluate, and implement new technologies to maximize development efficiency.
Immediate joiners are more preferred.
About TrueFan
TrueFan is a celebrity-fan experience platform that enables fans to connect with their favorite celebrities. The business runs on a mobile application where fans compete in an online quiz contest designed on the life of their favorite celebrity (their movies, trivia, facts, etc.) and the winners get a personalized video message from them. The idea is to provide millions of fans an opportunity to fulfill their lifelong dream of interacting with their favorite celebrity while keeping it simple, passion oriented, and engaging for them.
TrueFan is founded by ex-IIT-SRCC alumni and is backed by marquee investors including Ronnie Screwvala, Mayfield Fund, and Saama Capital.
For more details: visit https://www.truefan.in/" target="_blank">https://www.truefan.in/
Job Description
Job: Full time
Location: Gurugram(Delhi NCR)
Budget: 10 - 30 LPA
We are looking for a React Lead interested in building performant mobile apps on both the iOS and Android platforms. You will be responsible for architecting and building these applications, as well as leading and coordinating with the teams responsible for other layers of the product infrastructure. Building a product is a highly collaborative effort, and as such, a strong team player with a commitment to perfection is required.
Responsibilities
- Build pixel-perfect, buttery-smooth UIs across both mobile platforms.
- Leverage native APIs for deep integrations with both platforms.
- Diagnose and fix bugs and performance bottlenecks for performance that feels native.
- Reach out to the open source community to encourage and help implement mission-critical software fixes -React Native moves fast and often breaks things.
- Maintain code and write automated tests to ensure the product is of the highest quality.
- Transition existing React web apps to React Native.
What does the core role include?
- Leading a team of Developers to discuss user interface ideas and applications.
- Designing and developing high-volume, low-latency applications for mission-critical systems and delivering high-availability and performance
- Designing stateless components in React Native
- Contributing in all phases of the development lifecycle
- Working with the developers to create and maintain a robust framework to support the apps
- Working with the developers to build the interface with a focus on usability features
What else can you expect in the role?
- Prepare and produce releases of software components
- Optimizing performance for the apps
- Problem-solving skills, analytical mind, and positive attitude
- Ability to think from end users perspective and focused on improving the overall product experience.
- Deliver across the entire app life cycle concept, design, build, deploy, test, release to app stores and support
What can fetch you brownie points?
- Hands on experience with React Native is required
- Hands-on experience in React Native APIs, ReactJS, Javascript, ECMAScript (OOJS) and JSX.
- Strong understanding of JavaScript ecosystem
- Hands on experience on Android in creating Hybrid / Native applications
- Demonstrable UI/UX experience on a large-scale app.
- Thorough understanding of React Native development tools like IDEs (Nuclide, Atom, Sublime Text, or Visual
- Good knowledge of JS frameworks like ReactJS is a plus.
Hybrid Apps,React Native, Native iOS and Android Architecture understanding.
Visit Us - https://www.truefan.in/" target="_blank">https://www.truefan.in/
We need candidates to join immediately to 15days
Salary: Upto 10 LPA
Industry: Fintech
Roles and Responsibilities:
- 2-3 years of Android development experience.
- Kotlin, Android SDK, Java
- Rest API, JSON, XML, Retrofit
- MVVM
- SQLite, Room, Offline storage, Encryption
- Google APIs, Maps, Navigation, Google Play Optimization
- Live Data, Dagger, Co-Routines, Multithreading
- Memory management and optimizations using Data Structures and Algorithms
- Espresso, JUnit, kotlin, work manager, Co-Routines,, data structure, multithreading.
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Solution design documentation, development ownership, mentoring and driving the most comprehensive trade terminal for our super users for the Android Mobile platform
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Ensuring the team adhere to the best industry technical practices and meet the business objective
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Ensuring responsiveness of the application
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Monitor reliability and performance metrics of the system to provide an impeccable experience to the user
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Co-ordinate with developers, testers and keeps the product manager well informed of the status of the development effort to senior managers
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Mentoring of the team
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Code review of team members and code quality ownership
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Collaborate with team, cross-functional teams to define and design new features
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Work with data sources, APIs, 3rd party SDKs
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Unit-test code for robustness, including edge cases, usability and general reliability
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Work on bug identification and fixing
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Troubleshooting and triage of field issue Improving application performance
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Produce high-quality code and experience with security implementation identifying risks implementing security patches procedures
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Continuously discover, evaluate, and implement new technologies to maximize development efficiency
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App management and monitoring on Google Play Store
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Keep abreast of new trends and best practices in mobile development
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B.E., B.Tech., M.C.A. or equivalent technical qualification in Computer Science, Engineering or a related subject
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7 to 10 years of proven software development experience in Android development & Leading & Managing Team
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Experience in mentoring and managing Android developers
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Must experience with Kotlin
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Experience with Java is a plus
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Experience working with remote data via REST and JSON must
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Experience with API integration, Third-party SDKs, Charts, Payment Gateway,Sockets is a plus
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Experience in HLD, LLD designing must
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Solid understanding of the full mobile development life cycle.
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Mobile Application security standards good to have
-
Experience in mobile app architecture, frameworks, design patterns must
-
Experience in writing Unit Test cases is a plus
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Experience in performance measurement of application is plus
-
Working knowledge of the general mobile landscape, architectures, trends, and emerging technologies
-
Experience in using JIRA, TFS
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Experience in Android Vital understanding is a plus
-
Experience in Firebase Crashlytics, Application Performance
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Experience of CI/CD pipeline with tools used for Code coverage, code bugs identification, test automation, GIT
-
Experience in driving scrum team and follow agile practices
-
Fundamental knowledge of the BFSI sector is a plus
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Strong communication skills
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Project Estimation & Planning
- Collaborating with cross-functional teams to define, design, and ship new features
- Working with outside data sources and APIs
- Unit-testing code for robustness, including edge cases, usability, and general reliability.
- Working on bug fixing and improving application performance.
- Continuously discovering, evaluating, and implementing new technologies to maximize development efficiency.
Candidate Profile:
- B.E. / B.Tech. / MCA in Computer Science, Engineering, or related fields is required.
- Proven software development experience and Android skills development
- Proven working experience in Android app development and have published at least one original Android app.
- Experience with Android SDK
- Experience working with remote data via REST and JSON
- Experience with third-party libraries and APIs
- Working knowledge of the general mobile landscape, architectures, trends, and emerging technologies
- Solid understanding of the full mobile development life cycle.
- Bachelor's degree in Computer Science, Engineering or related field, or equivalent training, fellowship, or work experience
- 2+ years of practical experience in Native Android Development
- 2+ years of experience using Kotlin/Java
- Experience developing highly performant code and view layouts and the ability to diagnose performance bottlenecks
- Designing applications with latest frameworks and architecture such as MVVM, etc.
- An excellent understanding of best practices for concurrency and threading is a big plus
- A disciplined approach to development, testing, documentation and code structure in a team environment
- A constant desire to improve, learn more and take things higher
- Having worked with the Realm database and dagger is a big plus.
What/Why/How is Floworks?
Floworks (https://floworks.ai) builds powerful business process tools that simplify business operations for the largest of e-commerce and logistics companies in India.
Floworks was founded by distinguished alums from IIT and BIT, with exemplary backgrounds in business and technology.
Sudipta Biswas: Cofounder. https://linkedin.com/in/sudipta-biswas
Sarthak Srivastava: Cofounder. https://www.linkedin.com/in/sarthak-shrivastava
Floworks has raised two rounds of funding within just 6 months of existence. We are funded by London based Startup Incubator, Entrepreneur First whose investors include the likes of PayPal Cofounder Peter Thiel and LinkedIn Cofounder Reid Hoffman. https://en.m.wikipedia.org/wiki/Entrepreneur_First
What will be your key responsibilities?
- Work on Android app development on a daily basis.
- Work around 7-8 hrs a day.
- Communicate on a daily basis with the other team members.
What will be the hiring process?
2 round of technical interviews
2 round of behavioural interview
At Cityflo, we are solving the problem of commuting to the office which affects employees in big, populated Indian cities every day. Cityflo provides a bus experience like no other - we run premium AC buses for daily commuters. We’re changing the way urban Indians commute and enabling everyone to reclaim hours of their time every day. Before the imposed lockdown due to coronavirus, we were serving about 7500 commuters per day. We plan to scale to 5,00,000 rides per day in the next 4 years in a profitable and sustainable manner.
We're looking for people who are passionate about creating great Android applications.
You've been around for a few API levels and you know how to delight Android users. You’ve got an eye for the beautiful Android design our users expect and an attention to detail down to the very last dpi. You know your way around the View hierarchy and are eager to partner with Product and Design to craft efficient, performant, and delightful user experiences. You like building for the long term and value patterns and structures that allow for maximum flexibility in a constantly evolving product.
You can read more about our engineering and culture on our blog: https://blog.cityflo.com/tag/engineering/" target="_blank">https://blog.cityflo.com/tag/engineering/
What you should have:
- At least three years of engineering experience, a large portion of which in a team environment
- Bachelors/Masters degree in Computer Science, Engineering, or a related subject.
- Strong computer science fundamentals: data structures, algorithms and programming languages
- Experience working closely with product teams, designers, and other developers to create a truly delightful mobile experience
- Familiarity with design concepts and constraints on mobile platforms.
- Extensive understanding of Android framework components and their respective lifecycles
- Experience developing highly performant Kotlin code and view layouts and the ability to diagnose performance bottlenecks
- A disciplined approach to development, testing, documentation and code structure in a team environment
- Familiarity with the Android tool ecosystem for development, testing, debugging, and performance benchmarking
- An excellent understanding of best practices for concurrency and threading
- MVVM design architecture pattern for android.
Preferred skills:
- Open Source contributions & participation in programs like Google Summer of Code are a plus.
- Have published one or more Android apps on the Play Store.
- Dependency injections: Dagger, Koin.
- Multi-threading and coroutines in Kotlin/Rxjava.
We are looking for an intern with experience/knowledge in software design, coding and debugging for iOS and Android.
Positions open: 04
iOS Intern: 02 Android Intern: 02
Work Location: Hyderabad
Responsibilities
- Document and test new software applications.
- Research and assess new application ideas.
- Develop applications (coding, programming).
Requirements
- Any Graduate with good knowledge of C, C++, or Java.
- Excellent analytical and logical skills.
- Ability to work in teams.
Benefits
- Practical experience with a wide variety of software engineering tasks.
- Collaborating hand-in-hand tech team and direct interaction with the team leads and CTO.
- Shadowing, mentoring, and training opportunities with seasoned professionals.
- Opportunity to participate in networking events and company meetings.









