
We are looking for a passionate and skilled iOS Developer (SDE II) to join our mobile engineering team. You will play a critical role in building and scaling high-performance iOS applications used by millions of users. The ideal candidate is deeply familiar with the iOS ecosystem, understands architectural best practices, and is capable of writing clean, maintainable, and testable code.
Key Responsibilities:
- Design, build, and maintain advanced iOS applications using Swift and Objective-C.
- Translate product requirements into scalable technical solutions.
- Collaborate with cross-functional teams including product, design, and backend teams to define, design, and ship new features.
- Ensure the performance, quality, and responsiveness of applications.
- Identify and fix bugs, bottlenecks, and performance issues.
- Maintain code quality through unit tests, code reviews, and CI/CD best practices.
- Stay up to date with the latest iOS development trends, tools, and technologies.
Required Skills & Qualifications:
- 3–6 years of hands-on experience in iOS development.
- Strong command over Swift, Objective-C, Xcode, and the iOS SDK.
- Experience with MVVM/MVC architecture, RESTful APIs, and third-party libraries (e.g., Alamofire, Realm).
- Understanding of Apple’s design principles and interface guidelines.
- Familiarity with unit testing and performance tuning.
- Strong debugging and problem-solving skills.
- Bachelor's degree in Computer Science or a related field.
Nice to Have:
- Experience with SwiftUI, Combine, or CoreML.
- Exposure to Agile methodologies and Git workflows.
Why Join Us:
Be part of a fast-moving tech team building impactful, user-friendly apps with modern development practices and a collaborative work culture.
Capillary is an Equal Opportunity Employer and will not discriminate against any applicant for employment on the basis of race, age, religion, sex, veterans, individuals with disabilities, sexual orientation, or gender identity.
Disclaimer:
It has been brought to our attention that there have recently been instances of fraudulent job offers, purporting to be from Capillary Technologies. The individuals or organizations sending these false employment offers may pose as a Capillary Technologies recruiter or representative and request personal information, purchasing of equipment or funds to further the recruitment process or offer paid training. Be advised that Capillary Technologies does not extend unsolicited employment offers. Furthermore, Capillary Technologies does not charge prospective employees with fees or make requests for funding as a part of the recruitment process.
We commit to an inclusive recruitment process and equality of opportunity for all our job applicants.

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Required Skills: Advanced Flutter & Dart Expertise, Scalable Mobile Architecture Design, Performance Optimization & Profiling, OTT & Media App Engineering, Code Quality, Leadership & Cross-Functional Collaboration
Criteria:
- 6+ years of total software development experience with minimum 3+ years in Flutter
- Product-based company experience is mandatory (B2C scale preferred)
- Proven ability to own end-to-end Flutter mobile architecture for high-scale apps
- Strong expertise in Dart, Flutter SDK internals, and advanced state management (Bloc / Riverpod / Provider)
- Hands-on experience with platform channels and native integrations (Android & iOS)
- Deep knowledge of performance optimization: app startup time, FPS, memory leaks, widget rebuilds, rendering pipeline
- Experience with profiling tools (Dart DevTools, Android Profiler, Xcode Instruments)
- Strong skills in offline-first architecture, caching layers, and API integrations
- Ability to optimize video playback, downloads, DRM, and OTT workflows
- Strong command of clean code, SOLID principles, and scalable mobile system design
- Experience reviewing code and mentoring engineers (Senior IC role)
Description
Role Overview
We are looking for an experienced Flutter SDE III who can take complete ownership of architecture, performance optimization, and app scalability for our OTT mobile applications. This is a senior individual contributor role requiring deep technical expertise and the ability to influence design decisions at a product level.
Key Responsibilities
1. Architecture & Design (High-Impact IC Role)
• Own the end-to-end architecture of company’s Flutter mobile applications.
• Design scalable, modular, testable app ecosystems aligned with OTT-specific performance constraints.
• Lead decisions around state management, navigation hierarchy, API structure, offline capabilities, and security.
2. Performance & Device Optimization
• Diagnose and resolve mobile performance bottlenecks, including:
o App startup time, FPS drops, memory leaks.
o Heating issues, over-rendering, and expensive widget rebuilds.
o Battery optimization, efficient network calls, caching strategy.
• Run in-depth profiling using tools like Dart DevTools, Android Profiler, and Xcode Instruments.
3. OTT-Specific Engineering
• Optimize video playback workflows for low-latency streaming.
• Implement efficient background processes for downloads, DRM, content sync, and push notifications.
4. Product & User Experience Ownership
• Collaborate closely with Product, Backend, and Video Engineering teams.
• Convert business/product requirements into high-performance technical solutions.
• Ensure UI/UX consistency across platforms while maintaining performance budgets.
5. Code Quality & Leadership
• Write clean, extensible, and maintainable code with strong adherence to SOLID and reactive programming principles.
• Review code for mid-level and junior engineers; act as a mentor across teams.
• Establish engineering standards, internal frameworks, and reusable components for long-term scalability.
Required Skills & Experience
Technical Must-Haves
• 6+ years of total experience with 3+ years in Flutter for large-scale products.
• Mandatory product-based company background (B2C scale preferred).
• Strong expertise in:
o Dart, Flutter SDK internals
o Bloc, Riverpod, Provider, or other state management approaches
o Custom animations, rendering pipeline, shader-based optimization
o Platform channels (Android/iOS) and native integrations
o API integration, caching layers, offline-first architecture
• Strong understanding of mobile system design, scalable architecture, and low-level performance engineering.
Good to Have
• Experience with video streaming apps, OTT platforms, or media-heavy applications.
• Understanding of analytics frameworks (Firebase, Segment, Mixpanel).
• Exposure to CI/CD pipelines, automated testing, and fastlane.
Personality & Mindset
• Product thinking, not just feature-building.
• Ownership-driven with strong ability to take strategic technical decisions.
• Comfortable working in a fast-paced 0→1 and scale-up environment.
Why Join company?
• Work on a high-growth OTT app with millions of users.
• Opportunity to own the core mobile experience end-to-end.
• Build impact-heavy features at scale with a lean, highly skilled engineering team.
Role: Senior Android & Flutter Developer.
Preferable immediate joiners.
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- Minimum 2+ years of hands-on experience in Android & Flutter development.
- Strong in Java Programming and OOPS Concepts.
- Knowledge of problem-solving, multi-threading and complexity analysis.
- Experience with design patterns like MVVM, Provider etc.
- Experience in Android application development experience using Java, Kotlin & Flutter.
- Design and develop Mobile applications using Flutter.
- Must be able to deploy app in Play store & App store.
- Expert in Android User Interface Development and Understanding of best practices for the same.
- Independently drive the development of Android-based applications.
- Ability to work with web services on the Android platform (consuming REST/SOAP APIs) and related underlying technologies (JSON, XML).
- Self-driven and able to work with minimal direction.
Desired Candidate Profile:
- Problem-solving expertise in critical steps.
- Hands-on experience with Android studio & Gradle build system.
- Knowledge of Linux, Git, Relational Databases, XML and JSON is a must.
- Hands-on practice with CI/CD tools
- Memory optimization and Debugging skills.
We are looking for a Mobile Lead (IOS & Android) for one of the leading TMT bar manufacturers & suppliers in Kolkata.
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Location - Kolkata
Job Description :-
As a Mobile Lead, your primary responsibility is to oversee the development and maintenance of mobile applications for our organization.
Some of the key job responsibilities include :-
1. Leading the Mobile Development Team: You will lead a team of developers, designers who are responsible for building and maintaining mobile applications. You will be responsible for Coding, delegating tasks, setting goals and timelines, and overseeing the team's performance to ensure that the development process runs smoothly.
2. Developing Mobile Applications: You will be responsible for developing mobile applications for iOS and Android platforms, using a range of programming languages such as Swift, Java, Kotlin, and React Native. You will need to ensure that the application is scalable, user-friendly, and meets the specific requirements of the organization.
3. Collaborating with Stakeholders: You will be responsible for collaborating with various stakeholders in the organization, including product managers, project managers, designers, and other development teams to understand the requirements and objectives of the application. You will need to ensure that the application aligns with the overall product roadmap and meets the business objectives.
4. Ensuring Quality: You will be responsible for ensuring the quality of the mobile application, including testing, debugging, and fixing any issues that arise during the development process. You will need to
ensure that the application is free of bugs, runs smoothly, and meets performance and usability standards.
5. Keeping Up with Emerging Trends: You will need to stay up to date with the latest developments in mobile technology, and emerging trends in user experience and design. You will need to ensure that the mobile application is using the latest technologies and is in line with industry best practices.
6. Managing Project Budget: You will be responsible for managing the budget for mobile development projects, including resource allocation, vendor management, and contract negotiations.
Overall, the Mobile Lead is a critical role that requires a strong understanding of mobile development processes and the ability to lead a team to deliver high-quality mobile applications.
Here are the skills we are looking for
1. experienced in mobile development using react native framework should be proficient in
2. must be fluent in java script(and typescript) and its nuances including ES6+ syntax.
3. deep understanding of how to optimize react native apps for iOS and android, including offline storage, threading ,and programming concepts.
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Tez Minds is a technology focused company. The company focuses/work on the challenging technology and delivering the right solution to its clients.
Experienced team of Developers and Designers.
We have most of our developers from IITs and premium institutes in India.
The management team experience comprises of people who have worked in companies like Bank of America, Yahoo, Paypal, Verisign, Google, Amazon, Cognizant in Bay Area and in India.
Want to know more you can check out www.tezminds.com or write back to us.
We are looking for positive take-charge individuals to join our growing team as iOS Developers. Candidates must have exceptional communication skills, the ability to manage multiple tasks efficiently, excellent judgment, and the ability to be productive in a fast-paced, team oriented environment.
Extensive hands-on development experience using Objective-C/ Swift.
Strong knowledge in memory management and auto layout concepts
Part of the development team of at least 3 apps that are currently live in App Store
Strong in Object-oriented Software design, Design Patterns.
Experience developing rich UI using Auto Layout, Size Classes, Storyboard and UI animations
Strong logical, analytical and algorithm skills.
Unit-testing code for robustness, including edge cases, usability and general reliability
Experience in AVFoundation/CoreAudio Framework.
Experience in CoreLocation Framework.
Proficient in using local storage Sqlite, Core Data, Realm.
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Here is the form which needs to be filled by you.
http://bit.ly/2pB4S3E
We are running a hiring drive this Saturday. So, please fill up the questionnaire asap so that our technology team can review it and call you back for the interview (if shortlisted) for a F2F interview.
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CREATE PROTOCOL is a creator-focussed blockchain platform, built on Create’s optimized multi-chain NFT protocol. We are focused on building decentralized applications with creator focussed tools, to empower the creator economy and bring a CREATE TO EARN revolution.
We also have plans to launch decentralized finance solutions along with a CREATE TOKEN to govern the ecosystem.
CREATE PROTOCOL will be a creator platform owned by Artists. They believe in a world where artists own not just their Creation/Art/Music but also the platform which facilitates the interaction with the artwork, with the fans, listeners, viewers and brands.
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We are looking for an iOS developer responsible for the development and maintenance of applications aimed at a range of iOS devices including mobile phones and tablet computers. Your primary focus will be the development of iOS applications and their integration with back-end services. You will be working alongside other engineers and developers working on different layers of the infrastructure. Therefore, a commitment to collaborative problem solving, sophisticated design, and the creation of quality products are essential.
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- Design and build applications for the iOS platform
- Ensure the performance, quality, and responsiveness of applications
- Collaborate with a team to define, design, and ship new features
- Identify and correct bottlenecks and fix bugs
- Help maintain code quality, organization, and automatization
Skills
- Proficient with Swift, React Native and Flutter.
- Experience with iOS frameworks such as Core Data, Core Animation, etc.
- Experience with offline storage, threading, and performance tuning
- Familiarity with RESTful APIs to connect iOS applications to back-end services
- Knowledge of other web technologies and UI/UX standards
- Understanding of Apple’s design principles and interface guidelines
- Experience with performance and memory tuning with tools.
- Familiarity with cloud message APIs and push notifications
- A knack for benchmarking and optimization
- Proficient understanding of code versioning tools.
- Familiarity with continuous integration
What’s in it for you:
- Work with a mission-driven startup that’s making an impact in Web3 communities.
- Creative flexibility and creative leadership in an emerging field.
- Work with a collaborative, supportive, fun and passionate team.
- Work from home model.
- Be a part of a growing mission-led business in the decentralized world.
Compensation As per market standards along with token allocation in the project .
Job Description
We are looking for anmobile iOS developer. The ideal candidate needs to be able to hit the ground running in our fast-paced environment, and be comfortable to iterate quickly and push new code every day.
Responsibilities
- Design, develop, test, deploy, maintain and improve software and processes
- Integration with a number of third-party services
- Write high quality, high-performing and well-tested code
- Turn design requirements and prototypes into a working app
- Work closely with the technology and design teams
- Excellent communication, collaboration, and documentation
- Highly motivated, adaptable and passionate learner with a strong work ethic ethic
Requirements
- Proficiency with Objective-C and Swift
- Deep knowledge of the iOS SDK, OO, data modelling, design patterns, TDD/BDD, JSON/RESTful APIs, clean code and UX
- Analysis, profiling and optimization techniques
- Agile methodology
- Strong knowledge of Android SDK, different versions of Android, and how to deal with different screen sizes
- Familiarity with RESTful APIs to connect Android applications to back-end services
- Strong knowledge of Android UI design principles, patterns, and best practices
- Experience with offline storage, threading, and performance tuning
- Ability to design applications around natural user interfaces, such as “touch”
- Familiarity with the use of additional sensors, such as gyroscopes and accelerometers
- Knowledge of the open-source Android ecosystem and the libraries available for common tasks
- Ability to understand business requirements and translate them into technical requirements
- Familiarity with cloud message APIs and push notifications
- Developing new user-facing features using React Native and React.js
- Building reusable components and front-end libraries for future use
- Translating designs and wireframes into high-quality code
- Optimizing components for maximum performance across a vast array of devices and browsers
What is required
- 1+ years of experience
- Strong proficiency in JavaScript, including DOM manipulation and the JavaScript object model
- Strong experience in React Native and/or React JS and their core principles
- Ability to take ownership of code as well as the end to end functionality
- Experience with popular workflows (such as Flux or Redux)
- Experience with middleware for API calling( such as Saga or Thunk)
- Familiarity with RESTful APIs
- Familiarity with modern front-end build pipelines and tools
- Experience with common front-end development tools such as Babel, Webpack, Yarn, NPM, etc.
- Familiarity
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- Experience in React-native, IOS Development (with Swift).
- Experience in IOS SWIFT Framework
- Proven experience in React Native components in native iOS and Android
- Good understanding of Android / iOS / Web design guidelines, SDK and excellent JavaScript skills.
- Knowledge of React and the Java script ecosystem
- Exposure to other hybrid mobile platforms like IONIC,Sencha, HTML5, PhoneGap, jQuery Mobile etc.
- Familiarity with RESTful APIs development.
- Expertise with code testing best practices, including unit and integration testing to ensure quality of code.
- Familiarity with code versioning tools such as Git, SVN, Github.
- Excellent verbal and written communication skills
Preferred Skills & Knowledge: IOS Development (Swift), React Native







