1. Must be very strong in Objective-C, Cocoa, Cocoa Touch, and XCode
2. Must have built and published commercial iPhone and iPad applications
3. Experience with Objective-C, JavaScript, and JSON
4. Experience writing rich GUI's for the iPhone and iPad
5. should able to demonstrate apps that was developed and in app store.
6. Well verse in OOPs/Objective C concepts, Web service and Parsing JSON/XML.
7. Expertise in iPhone development, including implementing applications with standard iPhone / iPad UI components, creating custom UI.

About Dev Technosys
About
"Dev Technosys is a leading custom software development company known for its bespoke services in the field of custom web development and mobile app development across multiple industry verticals and business niches. It follows the central principle “Bringing IT to Life.” Since its inception, the company has been serving custom-made digital solutions for enterprise setups and SMBs with B2B and B2C solutions."
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Location: Bengaluru (Work from Office – 6 Days a Week)
About the Role
We're looking for a Software Development Engineer III (SDE-3) to join our growing engineering team. We're seeking engineers who have previously built, scaled, or significantly contributed to applications serving 100K+ users. You'll be joining a small, high-impact team, so we're looking for engineers who thrive on ownership, move quickly, and enjoy solving challenging technical problems.
We are technology agnostic and value strong engineering fundamentals over expertise in any particular language or framework. Whether your background is Backend, Frontend, or Full Stack, we'd love to hear from you.
What You'll Do
- Design, develop, and maintain scalable, reliable, and high-performance applications.
- Build robust, production-ready software that delivers exceptional user experiences.
- Take end-to-end ownership—from design and development to deployment and production support.
- Work closely with Product, Design, and Engineering to deliver impactful features.
- Write clean, maintainable, and well-tested code following engineering best practices.
- Leverage AI-assisted development tools (such as GitHub Copilot, Cursor, Claude Code, ChatGPT, or similar) to improve development speed, code quality, debugging, testing, and overall engineering productivity.
- Participate in architecture and design discussions, balancing scalability with simplicity.
- Troubleshoot production issues and continuously improve system performance and reliability.
- Contribute to a collaborative engineering culture through code reviews and knowledge sharing.
Must-Have Qualifications
- 4–6 years of professional software development experience.
- Strong proficiency in at least one high-level programming language, such as Python, Go (Golang), C#, JavaScript/TypeScript, Kotlin, Scala, or Ruby.
- Strong understanding of Data Structures, Algorithms, Object-Oriented Programming, and System Design.
- Hands-on experience building, scaling, or maintaining production applications with a user base of 100K+ users.
- Proven experience working on high-traffic, large-scale consumer or B2B products where performance, reliability, and scalability were critical.
- Experience developing modern Backend, Frontend, or Full Stack applications.
- Strong understanding of APIs, databases, and scalable application architecture.
- Demonstrated ability to effectively use AI coding assistants to accelerate software development while maintaining high standards of code quality and engineering best practices.
- Excellent problem-solving skills and a strong sense of ownership.
Preferred Qualifications
- Experience working on platform or infrastructure products is highly preferred.
- Experience with cloud platforms (AWS, GCP, or Azure).
- Familiarity with microservices, distributed systems, CI/CD, and containerization.
- Experience working in product companies or fast-paced startup environments.
Who You Are
- You enjoy working in small, fast-moving teams where every engineer has significant ownership.
- You're comfortable wearing multiple hats and contributing across different parts of the stack when needed.
- You've previously worked on products operating at scale and understand the engineering challenges of supporting 100K+ active users, including performance optimization, reliability, and scalability.
- You have a product mindset and care deeply about performance, scalability, and user experience.
- You're a proactive problem solver who enjoys taking initiative and driving projects independently.
- You embrace modern engineering practices, including the effective use of AI tools to enhance productivity without compromising software quality.
- You value collaboration, continuous learning, and building high-quality software.
Why Join Us?
- Join a high-impact engineering team with significant ownership and autonomy.
- Solve challenging engineering problems with a focus on performance, scalability, and reliability.
- Collaborate with talented engineers in a fast-paced, product-driven environment.
- Build software that directly impacts thousands of users while accelerating your technical growth.
Mandatory Criteria
- Strong knowledge of React Native fundamentals — components, hooks, navigation, and state management.
- Ability to build iOS and Android apps from the same codebase.
- Experience with Expo SDK for building, testing, and deploying apps.
- Familiar with Expo’s managed vs. bare workflow, push notifications, deep linking, and app store deployments.
- Understanding of mobile app performance optimization and experience integrating with REST/GraphQL APIs.
- Proficiency in local storage, offline sync, and permissions handling.
- Ability to implement pixel-perfect UI from Figma/Sketch with cross-device responsiveness.
- Hands-on experience with Git/GitHub workflows, CI/CD tools (Expo EAS, Fastlane), and testing frameworks (Jest, Detox).
- Comfort using VS Code, debugging tools, and running Docker, emulators, or local test servers without lag.
If interested kindly share your updated resume on 82008 31681
Role & Responsibilities:
- Proven working experience in mobile app development using React Native.
- Extensive experience in native mobile development for both Android and iOS platforms.
- Solid understanding of JavaScript and its core principles including ES6+ syntax.
- Proficiency with React and its ecosystem.
- Experiencing in building pixel-perfect, buttery smooth UIs across both mobile platforms.
- Proficiency and expertise with consuming RESTful APIs and asynchronous programming and knowledge of offline storage.
- Knowledge in creating and publishing APK file to both play store and app store.
- Knowledge of modern authorization mechanisms, such as JSON Web Token and authentication flows like OAuth.
- Knowledge of mobile app development lifecycle and best practices.
- Experience with code versioning tools such as Git.
- Excellent problem-solving and debugging skills.
- Ability to work independently and as part of a team.
- Strong communication and interpersonal skills.
If interested kindly share your updated resume on 82008 31681
Responsibilities:
1. Develop and maintain mobile applications using React Native.
2. Collaborate with cross-functional teams to define, design, and ship new features.
3. Write clean, maintainable, and efficient code.
4. Ensure the performance, quality, and responsiveness of applications.
5. Troubleshoot and debug issues, and optimize performance for a seamless user experience.
6. Stay updated on emerging trends and technologies in mobile development.
Requirements:
1. Proven experience as a React Native Developer.
2. Strong proficiency in JavaScript and React.
3. Familiarity with native build tools, like Xcode, Android Studio.
4. Experience with third-party libraries and APIs.
5. Understanding of state management (e.g., Redux) in mobile applications.
6. Solid understanding of the full mobile development life cycle.
7. Excellent problem-solving and communication skills.
8. Ability to work independently and collaboratively in a team.
CodeCraft Technologies is a multi-award-winning creative engineering company offering design and technology solutions on mobile, web, and cloud platforms.
We are looking for an ambitious Xamarin developer to join our team.
Roles and Responsibilities:
• Work with product owners and engineering managers to understand the product roadmap.
• Designing and building advanced mobile features and Custom UI.
• Ensuring responsiveness of applications.
• Collaborate with cross-functional teams to define, design, and ship new features.
• Keep the app stable and secure all the time.
• Continuously discovering, evaluating, and implementing new technologies and processes to maximize development efficiency.
• Comprehensively testing code for robustness including edge cases, usability and general reliability.
• Building reusable components and front-end libraries for future use.
• Communicate with the project manager regarding the status of the project and suggest appropriate deadlines for new functionalities.
• Resolve all the bugs reported by the QA team in a timely manner.
Desired Profile:
• Must Have Skills: Xamarin, MAUI, C# .NET
• Other Skills: Flutter & Dart and/or Java/Kotlin and/or Swift/ Swift UI
Good to Have:
• .NET Certification
• Native (iOS and Android) development Experience.
About the company and work culture:
You will love working with CodeCraft ☺
● Our projects are fast-paced. Everyone is expected to take ownership of the work assigned and are accountable for the same.
● We love to work with people who are proactive, Solution providers and are contributing positively.
● The office has an open culture.
● We encourage leadership development.
● We have good long-term benefits, a yearly vacation, and good opportunities to learn new skills and grow.
● We have worked with the #1 Sports stadium in the world and developed solutions used by NFL, NBA, and Soccer teams.
● We are currently working with clients on the Forbes list USA. One of them is the youngest RE billionaire in the USA.
● Our clients include a few Fortune companies.
● We have developed solutions featured by Apple and Microsoft.
● We won all the entries sent to design awards including a few Indian and International design awards.
● We are working with one of the 50 largest employers in NYC in the healthcare domain.
● We are working with both emerging and very successful start-ups globally.
Design Awards:
● India's Best Design Project Award, IBDA 2018. The jury was from 11 countries. We had 2 entries and won both.
● 11th International Design Awards, LA. There were 3200 entries from 95 countries. We won Silver in design for the Society Category.
● India's Best Design Project Award, IBDA 2017. The jury was from 10 countries.
● Finalist at Design4India- NASSCOM event.
Our business spread last year was:
• USA (95%)
• UK, India, New Zealand and Germany (2%)
Visit us on:
https://www.codecrafttech.com/
LinkedIn - https://tr.linkedin.com/company/codecraft-technologies-private-limited
Instagram - https://www.instagram.com/codecrafttech/
Facebook - https://www.facebook.com/CodeCraft/
- Interacting with and performance tuning multi-tiered application systems.
- Technically leading complex store system projects including estimating requirements, designing systems, and helping develop solutions.
- Being adaptive to the use of new software and programming techniques as they are required or adapted in IT.
- Acquiring and maintaining additional technical skills for professional development.
- Developing software solutions to meet customer needs.
- Creating and implementing the source code of new applications.
- Testing source code and debugging code.
- Evaluating existing applications and performing updates and modifications.
- Developing technical handbooks to represent the design and code of new applications.
- Being responsible for working with all levels of the business and the development team to establish, promote, and enforce architectural guidelines as well as assisting in the implementation and problem resolution of existing applications and requests.
- Ensuring work meets functionality and quality expectations within given timelines.
What you need to have:
- Experience in application development utilizing JAVA, Spring, SQL, Log4j, IOS, Web Services, JavaScript, and Oracle databases.
- Strong Knowledge of EMV/ NFC Standards
- POS development experience required
- Thorough knowledge of financial institutions, payment processing flows especially electronic payments, and the financial networks for processing.
- Must be able to command the attention and respect of highly technical associates.
- Demonstrated track record of successful system and project implementations.
- Excellent organization skills and attention to detail, including the ability to prioritize and manage a variety of complex projects and activities.
- Strong problem solving, analysis, design, and testing skills.
- Job Description:
- Design and build advanced applications for the Flutter platform
- Collaborate with cross-functional teams to define, design, and ship new features.
- Experience to create complex UI in Flutter Platform
- Experience in using various Flutter plugins / extensions / libraries
- Experience in connecting to REST API's
- Proficiency in Dart programming language
- Unit-test code for robustness, including edge cases, usability, and general reliability
- Work on bug fixing and improving application performance
- Continuously discover, evaluate, and implement new technologies to maximize development efficiency.
- Must have built at least one app with Flutter SDK
- Have working experience with Dart.
- Experience with third-party libraries and APIs.








