iOS Developer

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).

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.

Key Responsibilities

The Mobile Lead Developer with a minimum of 3-6 years of experience to develop a React Native Mobile App

Job Overview

The primary role of this position will be to develop rich Mobile/Web applications for a new Reillo product.

Primary Skills

·        Experience with popular application development frameworks such as React Native with excellent JavaScript, Typescript, ES6 or greater, HTML5, and CSS development skills

·        Experience in iOS and Android Application development

·        Experience with modern front-end build pipelines and tools such as Webpack

·        Solid understanding of MVC, stateless APIs, Redux and building RESTful APIs

·        Experience on tools like Jest or React Testing Libraries

·        Familiarity with code versioning tools such as Git

·        Ability to communicate effectively and make effective presentations

·        Experience with ReactJS for Web App development will be an added advantage.

About Plum

We are making health insurance - simple, accessible and affordable. Hundreds of businesses of all sizes from startups to large corporates trust Plum for their employee's health protection.

Healthcare in India is seeing a phenomenal shift. Healthcare cost is seeing an inflation that is three times the general inflation. Treatments of diseases including Covid-19 can wipe out entire household savings. Majority of Indians won't be able to afford a health insurance on their own. As many as 600mn Indians would depend on employer-sponsored insurance.

Enter Plum. Plum is re-imagining the health insurance stack, and accelerating the penetration of health insurance in India to 100%. Plum has forged new underwriting and fraud detection algorithms to enable companies as small as 2 to benefit from a group insurance. The platform enables realtime insurance design & pricing to enable companies to buy insurance in 3-clicks. And offers employees a hassle-free claims experience through an integrated digital process.

Plum is backed by leading global investors including Tiger Global, Sequoia Capital, Tanglin Ventures and Incubate Fund (read more https://www.plumhq.com/blog/plum-series-a-funding">here)

• Design, build, and maintain high performance, reusable, and reliable Java code. 
• Translate designs and wireframes into high quality components and modular code, ensuring the best possible performance, quality, and responsiveness of the application
• Strong advocate of Google’s Android design principles and interface guidelines
• Strong sense of ownership and integrity demonstrated through clear communication and collaboration.Having experience with building and maintaining an open source project or design library is a plus.

• 3 + years of experience of Android SDK, different versions of Android, and how to deal with different screen sizes. 
• Experience with local databases, offline storage, threading, and performance tuningExperience with Kotlin and Jetpack Compose is desirable.
• Familiarity with RESTful APIs to connect Android applications to back-end services
• Familiarity with the use of additional sensors, such as camera, 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

• Design and build advanced applications for the Android platform.
• Collaborate with cross-functional teams to define, design, and ship new features.
• Work with outside data sources and APIs.
• 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

• Manage high-level architecture and design data flows in the Android and iOS app in (Dart, Flutter framework)
• Add new features and automate functionalities in backend hosted on Firebase (Typescript, ReactJS framework)
• Setup Marketing and Analytics tools in the app to get relevant daily usage insights and target users in different campaigns. (3rd party tools, Mixpanel)
• Experiment with the live data stream from wearable IoT devices to generate insights using ML models in production.
• Deploying ML models in production to be used inside the app community section.

• Experience: 2+ year of software development experience

• Tinkerer - We are a team of builders and love to get our hands dirty on new ideas and technologies. If you love to spend your time working on side-projects, you’ll fit right in.
• Problem Solver - Software development could involve a constant stream of challenges. Confidence and skill to navigate through them is an essential skill to possess.
• Team Player - At iMumz, we believe in building in a strong and small A-Team. A drive to work and contribute towards the team’s overall success and progress is desired.
• Proactive Learner - Technologies change. Frameworks get disrupted every day. Adaptability and desire to stretch to be a constant learner is highly appreciated.

• Be a part of India’s fastest-growing platform for maternal health and get hands-on experience in the growth journey of a digital product.
• Get hands-on experience of building a product for 100,000+ and growing community
• Work on building the core offerings directly with the founders.
• Freedom to work from anywhere till the work gets done.

iOS Developer

*H1 is a Spanish fin/proptech that revolutionizes the mortgage market by offering bank-risk approved loans before knowing the house an individual wants to purchase. It also offers a powerful selling tool for real estate agents and developers that helps manage their businesses. From there, H1 is building a community of millions of high credit profile users (individuals + companies) that use the credit marketplace technology to access a multiproduct platform (including banking and non-banking capital and multiple financial and credit scoring products) that becomes a financial partner for individuals and companies as well as a personal documentation encrypted storage for all family or group members (SAAS model).

*H1 is the future of digital banking. 

*Recently capitalized, and in a strong growth phase to expand nationally and into 5 additional countries.

About the Job:

H1 seeks mobile iOS developers with experience on Swift, Apple Certificates and store publish for our development team

In this role, you will report directly to the CTO

Agile based organization, with bi-weekly sprints on long-term project

Responsibilities:

• Build an extraordinary tech product (software) from an user centric perspective, for all the different actors involved with the organization and in direct contact with the technology (clients, management, finance, risk/operations team, commercial team, marketing, etc.) 
• Working with the CTO to build the roadmap and agile based organization required.
• Manage testflight and store publish
• Receive and react to product feedback from all internal and external stakeholders
• Product KPIs, and product releases on a recurring basis
• Producing reports to monitor level of usability, engagement, etc. (product metrics and analytics)
• Contributing to deliver the expected results from a usability and engagement perspective

About You:

• With strong software product background, and extraordinary capabilities in terms of product strategy development and usability 
• 3-6+ years robust experience on developing software products in an agile based organization
• Demonstrated success in bringing new products to market, capturing market share and delivering market leading products and services.
• Clear examples of products managed or developed during his/her career 

• Strategic thinking: you are able to think at the strategic level and make the link with the pixel level 
• Able to work in a flat and transparent manner within a fast paced environment
• Results oriented
• Academic education in tech/product/digital related careers
• High level english (spoken and written). Spanish at any level would be a great plus.
• Entrepreneurial mindset: Is looking for a very ambitious project. Due to the stage of growth kick-off the upside could be extraordinary (a life-time opportunity)

Skills:

• Great flavour towards software products
• High expertise and excellence on software usability and user experience optimization. Expertise in software design
• Sensitivity towards customers and users
• Data driven decision making
• Deep knowledge of the digital world
• Fintech / Proptech / Digital banking background experience will be very positively considered, but not necessarily needed
• Swift, pods and adaptive layout experience, ObjectiveC would be a plus.
• Experience in iPhone and iPad development
• Provisioning profile and Apple Store Connect management
• Experience in working with tech teams, on an agile based style
• Proactive and able to take initiative. Decisive and resolute
• “Out of the box” thinker
• Creative thinker
• Works well in a team and with a wide range of people from different backgrounds and ages
• Organised and methodical
• Succeeds under pressure
• Is able to have fun and keep a positive atmosphere in the team

Location of Headquarters: Madrid, Spain

Tech Hub in India: Office in Bangalore, Karnataka (India). Full tech team between Madrid, Spain + Bangalore, India

This is a unique opportunity to contribute heavily to the growth of an innovative, market-leading Fintech & Proptech company.

Salary Range: 40k-90k Rupees monthly (5 Lakhs - 11 Lakhs per annum)