iOS Developer

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.

Job description:

Company Overview

Teknobuilt is an innovative construction technology company accelerating Digital and AI platforms to help all aspects of program management and execution for workflow automation, collaborative manual tasks and siloed systems. Our platform has received innovation awards and grants in Canada, UK and S. Korea and we are at the frontiers of solving key challenges in the built environment and digital health, safety and quality.

Teknobuilt vision is helping the world build better- safely, smartly and sustainably. We are on a mission to modernize construction by bringing Digitally Integrated Project Execution System - PACE and expert services for midsize to large construction and infrastructure projects. PACE is an end-to- end digital solution that helps in Real Time Project Execution, Health and Safety, Quality and Field management for greater visibility and cost savings. PACE enables digital workflows, remote working, and AI based analytics to bring speed, flow and surety in project delivery. Our platform has received recognition globally for innovation and we are experiencing a period of significant growth for our solutions.

Job Responsibilities

As a Mobile App Developer, you will need to:

• Flutter: To build cross-platform mobile apps for Android, IOS. This should include making responsive UIs to efficiently query data and also manage states in an optimised manner.
• Native Android and IOS: To build custom Flutter Packages.
• Firebase: Should have experience with Cloud Fire Database, Push Notifications, Cloud Functions and Analytics.
• Adobe XD: Should know how to use Adobe XD to use the design file and use it to build the app.
• Git: To manage and collaborate in different projects with the rest of the team.
• Design and build sophisticated and highly scalable apps using Flutter.
• Build custom packages in Flutter using the functionalities and APIs already available in native Android and IOS.
• SQLite: Understanding of persisting data with the SQLite database.
• Experienced in working with remote data via REST and JSON.
• Use CI/CD for smooth deployment.
• Must have built at least one Android, iOS, apps with Flutter or Hybrid Framework.

Qualification

Bachelor’s degree in computer science, IT or related fields

Key skills for Mobile App Developer

- Experience: 2 – 3 Years Flutter Developer, Android & IOS,

- Collaborate with cross-functional teams to define, design, and ship new features.

- Work with outside data sources and APIs.

- Worked on Dart.js

- 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 maximise development efficiency

- Good understanding of databases.

Salary Range: Competitive

Employment Type: Full Time (Night-shift work may be required depending on project needs)

Location: Mumbai / Navi Mumbai

We appreciate your interest in Teknobuilt

Job Type: Full-time

Work Location: In person

Job Description:-

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 the quality product is essential.

Responsibilities:-

• 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 Objective-C or Swift, and Cocoa touch
• 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.
• Knowledge of low-level C-based libraries is preferred.
• Experience with performance and memory tuning with tools such as Instruments and Shark, depending on project needs.
• Familiarity with cloud message APIs and push notifications.
• A knack for benchmarking and optimization.
• Proficient understanding of code versioning tools such as Git, Mercurial or SVN.
• Familiarity with continuous Integration.

Flutter Developer

Responsibilities :

Mobile app developers have a bunch of responsibilities. Flutter engineers also have a lot of tasks to conquer.

• Designing and developing apps
• Writing clean code
• Participating in development life-cycle
• Fixing bugs
• Investigating technologies to make the development faster
• Following new trends in development

Required Skills :

• Good knowledge of Git
• Understanding of Computer Science
• Understanding of software development life cycle
• Strong knowledge of different architecture approaches
• Experience with GoF patterns
• Knowledge of SQL
• Strong knowledge of networking
• Experience in programming languages for mobile development — Kotlin or Swift
• Knowledge of Dart programming language,
• Understanding of Flutter framework
• Experience in Android or iOS mobile development services

The ideal candidate will be responsible for designing, developing, testing, and debugging mobile applications for the company. Using Swift / Kotlin this candidate will be able to translate user and business needs into functional frontend design.

Responsibilities

• Designing, developing, and testing UI for mobile applications
• Build reusable code and libraries for future use
• Accurately translate user and business needs into functional frontend code

Qualifications

• 3+ years' experience in frontend development
• Experience building mobile applications using Kotlin or Swift.

We are looking for experienced iOS developers to join our team of talented engineers to design and build the next generation of our mobile application. The individual should be self-motivated, creative and proactive, with 1 – 2 years of progressive experience to work successfully in a fast-paced environment including latest technologies like Swift, Objective C and iOS UX guidelines.

– 1 to 2 years experience with iOS, Objective C and Swift.

– 1+ years object-oriented programming experience or equivalent education.

– Experience in an iterative software development environment (Agile).

– Experience with Test-Driven development, continuous integration and other Agile methodologies.

– Good experience in using Apples XCode for software development.

– Experience in standard debugging techniques such as logging, LLDB, and/or instruments to localize and correct software defects.

– Hands on experience using smartphones and tablets preferably iPhone and iPad

– Ability to design, develop, support new and existing applications and perform unit testing and integration testing.

– Experience with 3rd Party SDK integrations and other device libraries.

– Experience packaging and publishing applications on the App Store.

- Responsible to create and manage iOS Application for both iPhone and iPad using APIs, Third Party SDKs

Required – Swift (MVVM), Objective-C

• Own the delivery of multiple features of the product end to end while hands-on in development as well
• Advocate best development practices such as continuous integration/continuous delivery, automation (testing and infrastructure) and code modularity, extensibility, quality
• Adopt security- first approach in the product development and ensure automated and manual security checks in place across the delivery pipeline
• Lead by example and mentor other developers in the team both technically and professionally
• Support other Senior Product Engineers and contribute to their growth professionally
• Work with  tech leads and the team to ensure shared technology vision and develop state of the art design and architecture for any product development
• Work with other functions such as testing, analysis, infra management, support to ensure faster delivery of products
• Ensure timely and accurate communication with broader team in order to share understanding of product functionality, features, and technology vision
• Look out for technology trends across the industry and apply relevant developments to the products
• Work with the decentralised application business owners to ensure their vision is realised through efficient technology and delivery timelines
• Work in a dynamic, collaborative, transparent, non-hierarchical, and ego-free culture where your talent is valued over a role title 
• Develop personally and professional outside of the confinement of a traditional career path by focusing on what you’re passionate about rather than a predetermined one-size-fits-all plan 

• Must have extensive hands on experiencing designing and building mobile applications on Android
• Must have excellent programming, debugging and scripting skills with a solid understanding of Object-Oriented Design principles
• Must have ability to learn/iterate quickly in a rapidly changing technical stack with nascent codebase and developer tools
• Must possess a passion for delivery-focused development, and overcoming challenges through teamwork and self-motivation
• Ability to work in a variety of client settings and in a team-oriented, collaborative environment 
• Ability to communicate technical vision and direction of the product and make significant impacts to technology and design choices

• Architectural design while leading and inspiring software development teams 
• Leading development of large, custom-built object-oriented applications 
• Continuous integration tools and test automation
• Managing systems in production and understands release process, monitoring, and debugging
• Working and developing in agile environment working with XP/Scrum development practices

• Expertise in end to end Android development and release management
• Proficiency in at least two of the following: Java,  NodeJS, Go, JavaScript, Python programming stacks, and passion for software engineering and craftsman-like coding prowess 
• Knowledge of software practices like refactoring, clean code, domain driven design, Encapsulation etc 
• Hands on experience managing databases like MongoDB, Cassandra, Redis
• Exposure to event driven systems and event streaming engines like Kafka
• Good knowledge of DevOps tooling like docker, kubernetes, ansible/chef, AWS.
• Solid OO skills, including strong design patterns knowledge and enterprise integration