What you will be Doing
- Design and build applications for the Android 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
What you need
- Expertise with Java, XML, and Material Design
- Experience with offline storage, threading, and performance tuning
- Familiarity with RESTful APIs to connect Android applications to back-end services
- Experience with Firebase is a plus (FCM, analytics) - Understanding of Android’s design principles and interface guidelines
- Strong communication skills, get-things-done attitude, and empathy
- Strong sense of ownership, drive and obsessive attention to detail. - Comfortable with iterative development practices and code reviews
- Previous experience as part of a product-oriented team is a plus
Why you should consider this role seriously?
- We have an audacious vision of helping companies fight counterfeiting and managing their supply
chain more efficiently
- We have built a product and solved problems for some of the largest brands in the country and
tested platform at scale (With our tags present in over 50 Million products already). We have plans to
grow 10x in the next 1 year
- Ownership of key problems. Fast-paced environment
- We are a well-balanced team of experienced entrepreneurs and are backed by top investors across
India and the Silicon Valley (Venture Highway, Startup Buddy etc.) - Competitive market salary
- Opportunity to work directly with the CEO, COO, CTO of the company
- A chance to interact with top-notch executives from multiple industries
- Open vacation policy (and we really mean it!) - Open Pantry
- As a team, we love to travel :). An off-site every quarter

About O4S
About
Connect with the team
Similar jobs
Qualifications:
• 10+ years native mobile development (iOS Swift + Android Kotlin)
• Proven experience building mission-critical, offline-first applications
• Deep understanding of mobile architecture patterns (MVVM, Clean Architecture)
• Expert-level API integration and data synchronization strategies
• Experience with emergency services, healthcare, or field operations software (preferred)
• Strong debugging, performance optimization, and memory management skills
• Demonstrated leadership in establishing mobile development best practices
TECHNICAL EXPERTISE:
• iOS: Swift 5.x, SwiftUI/UIKit, CoreData, CoreLocation, Background Tasks
• Android: Kotlin, Jetpack Compose, Room, WorkManager, Location Services
• Tools: Xcode, Android Studio, Git, Figma, Firebase, TestFlight/Play Console
• CI/CD: Fastlane, GitHub Actions, or similar automation tools
• APIs: RESTful services, JSON parsing, authentication/authorization
• Testing: XCTest, Espresso, automated UI testing frameworks
Responsibilities:
CORE RESPONSIBILITIES:
• Architect mobile applications for First Due's emergency response platform serving Fire and
EMS agencies nationwide
• Lead mobile development initiatives for the Hyderabad development center
• Design offline-first architectures ensuring reliability in low-connectivity emergency
scenarios
• Collaborate with cross-functional teams across US and India time zones
• Establish mobile CI/CD pipelines, coding standards, and quality assurance processes
• Mentor developers on mobile best practices and First Due's technology stack
• Drive sprint planning, velocity tracking, and technical roadmap for mobile development
• Ensure HIPAA compliance and data security for patient care reporting features
Work Location: Hyderabad, India
Work mode: Work From Office
Responsibilities
- Collaborate with the core team building a state-of-the-art blockchain based SaaS platform.
- Building mobile applications using latest technologies leveraging Android, node and mongo.
- Apply comprehensive knowledge and a thorough understanding of concepts, principles, and technical capabilities to perform varied tasks and projects.
- Backend RESTful API Design and server-side development for web and mobile apps.
- Develop and design database schemas on MongoDB.
- Perform code reviews and unit tests to ensure code consistency and maintainability.
Minimum Qualifications & Qualities
- Passion to solve complex problems of agriculture in a dynamic start-up environment
- Flexible, curious, exploratory, and can-do attitude
- Great sense of ownership and ability to work with very limited supervision
- Bachelor's degree in Computer Science, related technical field, or equivalent practical experience.
- 1+ year of hands-on coding expertise in software engineering.
- Experience with Android, Node.js, mongodb
- Ability to speak English fluently.
Preferred Qualifications
- Strong programming experience of 1+ years with Android, Node.js, Express.js, MongoDB.
- Strong problem solving/troubleshooting skills.
- Experience with SDLC in an Agile work environment using tools like Jira and GitHub.
- Knowledge and experience of NoSQL Databases is a must.
- Knowledge of AWS Services like ECS, EKS, EC2, S3, Lambda, Load Balancing, Route 53, API Gateway along with Infrastructure provisioning and optimization is an advantage.
- Experience with DevOps, CI/CD pipelines on Jenkins, GitHub Actions,
- Experience with containerization environments like Docker & Kubernetes is an advantage.
- Familiar with TDD, CI/CD, Infrastructure as Code
- Knowledge of any Blockchain protocols like Hyperledger is clearly an undue advantage
Minimum 2 years of working experience.
Can work on live projects of international clients.
Can handle multiple projects
Error-free coding.
Required Experience, Skills and Qualifications
Objective-C, or increasingly, the Swift 3.0 programming language
Apples Xcode IDE
Frameworks and APIs like Foundation, UIKit, and CocoaTouch
UI and UX design experience
Apple Human Interface Guidelines
2D and 3D graphics frameworks like SpriteKit and SceneKit
OpenGL or Metal, iOS graphics APIs
Familiarity with iOS 10 and newer OS versions
A Git code repository technology
Strong Objective-C skills and inside-and-out knowledge of the iOS SDK.
Experience using and creating scalable web-based Restful APIs.
- Ionic: Ionic is a free and open-source framework certified by MIT that enables developers to use modern web technologies like HTML5, CSS3, and JavaScript. ...
- React Native: ...
- Flutter: ...
- Native Android: ...
- Xamarin: ...
- Native Script: ...
- jQuery Mobile: ...
- Framework7:
- The main roles and responsibilities would be:
- Deliver high quality mobile apps on Android platforms.
- Create best practice, drive initiatives to build reusable frameworks, components and solutions.
- Engage with the team to create a knowledge centre on Android.
- Minimum experience of 1 years needed. Ideally more than 2 years.
- Maps based apps.
- Payment gateway integration: (PayPal, Stripe, Paytm etc).
- Integration of webservices
- Marketplace apps
- Live Streaming
- Offline application development.
- Strong OO design and programming skills in Java
- Android SDK
- JSON/REST API
- Social Media APIs
- UML/Design Pattern
- Knowledge of Retrofit,Volley,Dagger2,Realm,RxJava,Espresso
- Knowledge of android architecture component(LiveData etc).
- Working Experience on MMVM and MVP architecture
- Experience in SQL and NOSQL databases.
- Familiarity with cloud message APIs and push notifications
- Understanding of Googles Android design principles and interface guidelines
- Proficient understanding of code versioning tools, such as Git.
- Work closely with the leadership team to define roadmap and development plans
- Help define and implement standards and promote best practices for the Android development team
- Tackle daily challenges with your creative problem solving recommendations
- Mentor and contribute knowledge to the rest of the team and the organization
- Strong knowledge of Android UI design principles, patterns, and best practices
- Experience with threading, and performance tuning
- Ability to understand business requirements and translate them into technical requirements
What we're looking for:
You will help define the next generation experience for Citrix Workspace app on desktop platforms and modernize tech stack. If you believe in a bottom-up culture, are passionate about delivering high quality software at scale, striving for technical agility in a fast paced, high performance environment, then we are looking for you!
Position Overview
The Engineering Manager is responsible to lead a critical iOS development team in Bangalore focused on building exciting new solutions for our iOS users .This team will be driving key strategic initiatives while collaborating closely with our iOS development teams globally.
Role Responsibilities
- Build and manage a team of highly skilled software engineers using agile practices.
- Responsible for design, development, maintenance of software which is used by millions of people daily.
- Has flexibility to spend significant time as an individual contributor as well, writing code and designing applications and APIs.
- Design and develop advanced applications for mobile platforms (Mobile Apps and/or cloud services)
- Help own and deliver on the Team goals owned out of Bangalore by challenging the existing thinking and bringing on new technologies and solutions by applying your experience to guide the future of Citrix.
- Collaborate with various stakeholders across different business functions and located in different Geos.
- Lead the team through the development process and seek opportunity for continuous improvement and best practices on multiple projects of high complexity.
Basic Qualifications
- Bachelor’s degree in computer science and 9+ years of software development experience, with 1+ years in a Technical manager role
- Extremely deep understanding of mobile development frameworks and deep experience in cross platform application development such as React, React Native, Meteor
- Experience with iOS frameworks - UIKit, Core Foundation, Core Animation, Core Graphics, Autolayout, AVFoundation, SceneKit, GCD etc.
- In depth Understanding of Apple’s recommended design principles, interface guidelines and and best practices for coding
- Experience working with remote data via REST, JSON and Web Services
- Strong foundational knowledge on computer science principles
- Sound Agile planning and Design skills
- Demonstrated ability to lead and collaborate effectively across organizational boundaries.
- Strong interpersonal and leadership skills, to drive collaboration and innovation.
- Experience and interest in guiding and leading team members of other teams










