Jobs iOS

About us:
 

BetterMe — a global wellness ecosystem empowering millions to become better — physically, mentally, and emotionally. We build what makes people better and keep challenging ourselves to inspire others.

We are growing team and looking for an iOS Engineer to join our team and work on our own products.

Your impact:

• Design, build, and maintain high-performance applications for the iOS platform.
• Write clean, testable, maintainable code, and continue to grow your development skills.
• Participate in Code Reviews.
• Execute full lifecycle software development: Continuous Integration.
• Work on gradually improving product quality via modularization, continuous refactoring, and testing.
• Collaborate with the rest of the Agile team to plan and deliver work items.
• Bring in your passion for technology and a product-oriented approach.
• Suggest, improve, build, and evolve our top-of-the-line Health & Fitness mobile solutions.
• Continuously discover, evaluate, and implement new technologies (like SwiftUI, new iOS features, for example, Widgets, etc).

About you:
 

• 5+ years of experience in mobile development.
• Excellent experience with Swift.
• Ready to own features from idea to design, implementation, and launch.
• Strong ability to debug, optimize code, and automate routine tasks.
• Solid understanding of modern-day mobile application architecture and design patterns.
• Good knowledge of Git.

Would be a plus:

• Redux architecture.
• Understanding of SwiftUI and its architectural differences to regular app development with UIKit.
• Experience working with SwiftGen and Sourcery.
• TDD experience.
• Good knowledge of CI/CD and its philosophy.
• Knowledge of diverse programming languages.
• TCA, UDF architectures.
• Experience working with AI Coding agents like Cursor or Claude Code.
• Understanding of Swift Testing and its difference to XCTest.
• Experience creating libraries (SPM).

What you get at BetterMe:

A mission that inspires. Every line of code, every design, every idea helps millions of people become healthier and more confident.
Trust without micromanagement. You manage your time and make decisions independently. We value outcomes, not online hours.
Growth opportunities. 90% of our leads have grown within the company. There’s space for initiative, new responsibilities, and real career upgrades.
Flexible work format. Choose what works best for you — office, remote, or hybrid.
Wellness in practice. Offline: workouts with professional trainers in our corporate gym, massage, corporate lunches, sports, and team activities — everything you need to recharge and reset together. Online: regular online workouts, partner discounts, and free access to our products.
Health insurance & corporate doctor.
Open communication. Transparency across teams, honest feedback, and support for initiatives are part of our everyday culture.
Support for sports events. We cover entry fees and encourage the team to compete and participate together.
Modern equipment. We provide new hardware and everything you need for productive work.
Legal & finance support. Experienced lawyers and financial specialists are always there to help — from documents to personal consultations.

We are seeking a highly skilled Senior iOS Developer proficient in Swift to join our dynamic team. As a Senior iOS Developer, you will be responsible for designing and implementing advanced applications for our utility suite on iOS devices. Your expertise will play a crucial role in enhancing our product functionality, performance, and overall user experience.

This is a project-based engagement (up to 3 months) with flexible working hours

Responsibilities:

• Design and build advanced applications for the iOS platform using Swift from a scratch
• Collaborate with cross-functional teams to define, design, and ship new features.
• Unit-test code for robustness, including edge cases, usability, and reliability.
• Continuously discover, evaluate, and implement new technologies to maximize development efficiency.
• Ensure the performance, quality, and responsiveness of applications.
• Mentor junior developers and assist in their professional growth.

Requirements:

• Proven experience as an iOS Developer, with at least 5 years of experience in Swift  and launching iOS applications from scratch, including architecture design, implementation, testing, and App Store deployment.
• Solid understanding of the full mobile development life cycle.
• Experience with Core Data for local data storage and offline support.
• Experience with Vision framework for image analysis and processing.
• Experience with third-party libraries and APIs.
• Strong knowledge of iOS UI design principles, patterns, and best practices.
• Experience working with remote data via REST and JSON.
• Excellent problem-solving skills and analytical thinking.
• Ability to work independently and as part of a team in a fast-paced environment.
• Familiarity with PhotoKit and Image I/O is a plus.

Preferred Qualifications:

• Experience with Agile development methodologies.
• Familiarity with cloud message APIs and push notifications.
• Published applications on the App Store.
• Contributions to open-source projects.

Experience: 5+ years
Location: Hybrid (Kraków, Poland – 6 days/month onsite)
 

About the Role
We are looking for a Senior iOS Native Developer with strong expertise in modern iOS technologies. In this role, you will be responsible for building scalable, high-quality mobile applications and contributing to technical decisions within an Agile team.

Responsibilities

• Design, develop, and maintain native iOS applications using Swift and modern frameworks
• Build intuitive, responsive, and high-quality user interfaces based on design systems
• Write clean, scalable, and well-tested code following best practices
• Implement and maintain unit and automated testing
• Debug and troubleshoot applications to ensure performance and stability
• Work with iOS development tools (Xcode, xcbuild, CocoaPods, Simulator)
• Build and maintain CI/CD pipelines for mobile delivery
• Manage App Store publishing, provisioning profiles, and certificates
• Ensure proper data handling using JSON and XML
• Apply mobile security best practices
• Collaborate with designers, product managers, and developers in Agile teams
• Contribute to improving development processes and adoption of AI-assisted tools

Requirements

• 5+ years of experience in native iOS development
• Strong knowledge of Swift and iOS SDK
• Solid experience with SwiftUI and native UI development
• Hands-on experience with Xcode and iOS toolchain (xcbuild, CocoaPods, Simulator)
• Experience with unit and automated testing
• Strong debugging skills
• Experience working with CI/CD pipelines
• Experience with App Store publishing and certificate management
• Understanding of mobile accessibility standards
• Experience working with JSON and XML
• Knowledge of mobile application security best practices
• Experience in Agile environments

Nice to Have

• Experience with Git and tools like Visual Studio Code
• Familiarity with mobile component libraries
• Basic knowledge of Android ecosystem (Kotlin, Jetpack Compose, Android Studio)
• Familiarity with Objective-C
• Experience with cross-platform frameworks (React Native, Flutter)
• Background in fintech, banking, or onboarding-related products
• Experience with AI-assisted development tools (e.g., GitHub Copilot, Claude CLI)

Tech Stack

• iOS
• Swift
• Xcode
• CI/CD
• JSON / XML
• Agile

Experience: 3+ years
Location: Hybrid (Kraków, Poland – 6 days/month onsite)

About the Role
We are looking for an experienced iOS Native Developer to join a project focused on building high-quality mobile applications using modern iOS technologies. You will be responsible for developing scalable, user-friendly solutions and collaborating within an Agile team.

Responsibilities

• Develop and maintain native iOS applications using Swift and modern frameworks
• Build responsive and user-friendly interfaces based on design specifications
• Write clean, maintainable, and well-structured code following best practices
• Implement unit and automated tests to ensure application quality
• Work with CI/CD pipelines to automate build, testing, and deployment processes
• Manage App Store releases, provisioning profiles, and certificates
• Debug and resolve issues efficiently across applications
• Ensure mobile security best practices are applied
• Handle data integration using JSON and XML formats
• Collaborate with designers, product managers, and developers in Agile teams
• Contribute to improving development processes and tools, including AI-assisted tools

Requirements

• Proven experience in native iOS development
• Strong knowledge of Swift and iOS SDK
• Solid experience with SwiftUI and native UI development
• Hands-on experience with Xcode and iOS toolchain (xcbuild, CocoaPods, Simulator)
• Experience with unit testing and automated testing
• Strong debugging skills for iOS applications
• Experience building and maintaining CI/CD pipelines
• Experience with App Store publishing and certificate management
• Understanding of mobile accessibility standards
• Experience working with JSON and XML
• Knowledge of mobile security best practices
• Experience working in Agile environments

Nice to Have

• Experience with Git and tools like Visual Studio Code
• Familiarity with mobile component libraries
• Basic knowledge of Android ecosystem (Kotlin, Jetpack Compose, Android Studio)
• Familiarity with Objective-C
• Experience with cross-platform frameworks (React Native, Flutter)
• Background in fintech, banking, or onboarding products
• Experience with AI development tools (e.g., GitHub Copilot, Claude CLI)

Tech Stack

• iOS
• Swift
• Xcode
• CI/CD
• JSON / XML
• Agile

Are you an iOS Developer with 3+ years of experience, ready for new opportunities?

We are looking for an experienced iOS Developer to collaborate with Octy on mobile projects for our international clients.

Please note: This position is part of our pre-hiring process for upcoming projects.

Required Skills

• Proficiency in Swift 
• 3+ years of experience in iOS app development
• Strong knowledge of UIKit and/or SwiftUI
• Experience with REST APIs and JSON parsing
• Familiarity with local data storage (CoreData, Realm, or SQLite)
• Understanding of architectural patterns (MVC, MVVM, or VIPER)
• Familiarity with Git for version control

Nice to Have

• Experience publishing apps to the App Store
• Knowledge of Combine or async/await for reactive programming
• Basic experience with CI/CD tools (Fastlane, GitHub Actions, Bitrise)
• Familiarity with unit/UI testing frameworks (XCTest, Quick/Nimble)

What We Offer

• Opportunity to be considered for positions with our international clients
• Professional support during the selection and onboarding process
• Access to a knowledge base and internal materials to improve your expertise
• English courses with a native speaker at no cost to improve professional communication
• Coverage of AI tool expenses to improve your workflow and efficiency
• Ongoing technical support from our team

Hiring Process

1. Introductory call with a recruiter
2. Tech Q&A session
3. Product guidelines & test
4. Reference check 

Once these stages are completed, you may be considered for upcoming projects.

Turn ideas into impact — join our team!

StrongLifts is growing and hiring an experienced iOS developer to join our remote team.

This is a unique opportunity to make an impact on an app that changes people's bodies and lives. As our primary iOS developer, you'll own the entire iOS codebase and be responsible for shaping the future of our app. We offer a full-time, remote position with flexible hours.

StrongLifts is a fully remote company, and this is a remote job. It is open to anyone located in Europe (between UTC-1 and UTC+4).

About StrongLifts

StrongLifts is a top-rated workout app with thousands of paying subscribers and over 200,000 five-star reviews worldwide (4.9-star rating).

Since launching in 2011, our growth has been driven by listening to our users and building what they need to get results. We're 100% self-funded and profitable.

Our mission is to help people get stronger by making strength training simple. We want our app to handle all the thinking so users can focus more on lifting. Our team is small and values building a great product that helps people make progress in their lives.

Benefits

• $3,000–5,000/mo gross, based on experience
• Full-time role with steady, long-term work (no contract hopping)
• 100% remote - work from wherever you feel most productive
• Flexible hours - set your own schedule as long as you get results
• Impact - your work will be used by thousands of people worldwide
• Minimal meetings - plenty of time to focus on coding
• Great team - we're very selective about who we work with
• 20 paid holidays per year, plus your local public holidays

Requirements

• 2+ years of experience building and launching iOS apps
• Experience with Git, pull requests, code review workflows
• Highly skilled at writing clean, maintainable, and reliable code
• Strong SwiftUI skills. UIKit knowledge is a plus for maintaining legacy screens
• Solid understanding of algorithms, data structures, and app architecture
• Excellent English communication skills (both spoken and written)
• Located between UTC-1 and UTC+4 for time zone alignment
• Available full-time

Responsibilities

• Take full ownership of iOS
• Design and build new app features
• Troubleshoot and fix bugs reported by users
• Ensure the best performance and stability of our app
• Maintain code quality (reviews, cleanups, refactoring, etc)
• Keep our app updated with new iOS versions, features, and devices
• Ship through GitHub PRs and release via Xcode Cloud to TestFlight / App Store
• Maintain technical documentation

Tech Stack

Our iOS codebase is modern, clean, and well-maintained. We use the latest Apple frameworks and best practices, with a strong focus on code quality, testing, and automation.

The app is built natively in Swift and is mostly SwiftUI, with some UIKit. Deep experience with Swift and SwiftUI is required. We also use Swift Concurrency, Combine, CoreData, RevenueCat, WatchKit, HealthKit, XCTest, etc. The backend uses Firebase (Auth, RTDB, Firestore). Experience with these additional technologies is a plus, but not required if you're a fast learner.

Team

You'll work closely with our Android developer to keep both apps consistent so users get the same features, logic, and algorithms on both platforms. You'll also work with our founder and designer to understand user needs and advise on technical feasibility. You'll work with QA and support to investigate and fix bugs. We communicate mostly in writing and minimize meetings. You'll have plenty of time to focus on coding and building a great app.
 

We're looking for someone who can start as soon as possible.

We are looking for a Mobile Software Engineer to help build and evolve a decentralized mobile wallet powered by a deterministic Rust SDK. This role focuses primarily on Swift development while requiring strong systems thinking and comfort working across Swift  Rust FFI boundaries. 

- The tech stack that you will interact with will be Swift, Rust, Kotlin, Rust FFI, and Objective C, mostly in that order. 
- You will be working with engineers and developers on the mobile team within our org, Dash Core Group. 
- This is an opportunity to work remotely in a team that uses modern coding practices and operates without a centralized backend, prioritizing client-side verification and security. 

Responsibilities:
- Collaborate with engineers to design, implement, and ship new wallet features.
- Implement wallet features on top of a deterministic SDK, ensuring correctness and security across the full stack.Improve our mobile SDKs. 
- This may involve improvements to the foundational Rust SDK.
- We use AI-assisted development tools. 
- Engineers are expected to critically evaluate and validate all generated code.Improve our continuous integration.

Requirements Either: 
- 3+ years professional software engineering experience, with significant experience in Swift (production iOS apps). 
- Exceptional recent graduates with demonstrable systems, distributed systems, compiler, or cryptography experience.
- Strong understanding of deterministic state machines and ability to reason about correctness in financial or security-sensitive systems.
- Comfortable working across language boundaries (Swift  Rust FFI), including understanding of memory ownership, threading, and error propagation.
- Conceptual understanding of cryptographic primitives (hashes, signatures, key derivation, Merkle trees).
- Experience building mobile applications that rely on complex local business logic or SDKs.
- Strong debugging skills across stack boundaries (mobile  SDK  networking).
- Proficient with Git and modern collaborative workflows.
- Strong Linux/macOS command-line skills.Ability to work remotely in a self-directed environment.
- Strong written and spoken English.
- This is not a typical UI-focused mobile role. 
- Candidates should be comfortable reasoning about state, correctness, and security in adversarial environments.

Nice to Have: 
- Working knowledge of Rust.
- Experience working with Rust FFI or other foreign-function interfaces.
- Experience with Android development.Understanding of UTXO vs account-based blockchain models.
- Familiarity with SPV or client-side transaction verification.
- Experience with cryptographic or privacy-preserving systems.
- Background in distributed systems.
- Comfort verifying and correcting AI-generated code in security-sensitive environments.

We are looking for a Mobile Software Engineer to help build and evolve a decentralized mobile wallet powered by a deterministic Rust SDK.

This role focuses primarily on Swift development while requiring strong systems thinking and comfort working across Swift ↔️ Rust FFI boundaries. 

The tech stack that you will interact with will be Swift, Rust, Kotlin, Rust FFI, and Objective C, mostly in that order. 

You will be working with engineers and developers on the mobile team. 

This is an opportunity to work remotely in a team that uses modern coding practices and operates without a centralized backend, prioritizing client-side verification and security.

Project Overview:

Decentralized mobile wallet

•  Senior iOS / Swift Engineer - 5 years

•  Experience with internal SDK / core layer / architecture

•  Experience native integration (Rust / C++ / FFI / bridging)

Perks:

● Contribute to technology at the forefront of cryptocurrency.

● Work on a fully remote team

● Work alongside passionate people

● This is an opportunity where you can have oversized impacts and drive innovation.

● Work in an open-source environment

Responsibilities:

● Collaborate with engineers to design, implement, and ship new wallet features

● Implement wallet features on top of a deterministic SDK, ensuring correctness and security across the full stack

● Improve our mobile SDKs. This may involve improvements to the foundational Rust SDK

● We use AI-assisted development tools. Engineers are expected to critically evaluate and validate all generated code

● Improve our continuous integration

Requirements (Must-have):

● Either:

○ 3+ years professional software engineering experience, with significant

experience in Swift (production iOS apps).

○ Exceptional recent graduates with demonstrable systems, distributed systems, compiler, or cryptography experience

● Strong understanding of deterministic state machines and ability to reason about correctness in financial or security-sensitive systems.

● Comfortable working across language boundaries (Swift ↔️ Rust FFI), including understanding of memory ownership, threading, and error propagation.

● Conceptual understanding of cryptographic primitives (hashes, signatures, key derivation, Merkle trees)

● Experience building mobile applications that rely on complex local business logic or SDKs

● Strong debugging skills across stack boundaries (mobile ↔️ SDK ↔️ networking)

● Proficient with Git and modern collaborative workflows

● Strong Linux/macOS command-line skills

● Ability to work remotely in a self-directed environment

● Strong written and spoken English

● This is not a typical UI-focused mobile role. Candidates should be comfortable reasoning about state, correctness, and security in adversarial environments

Nice to Have:

● Working knowledge of Rust

● Experience working with Rust FFI or other foreign-function interfaces

● Experience with Android development

● Understanding of UTXO vs account-based blockchain models

● Familiarity with SPV or client-side transaction verification

● Experience with cryptographic or privacy-preserving systems

● Background in distributed systems

● Comfort verifying and correcting AI-generated code in security-sensitive environments

What We Offer:
● Fully remote work
● Long-term, stable project
● High level of autonomy and trust
● Minimal bureaucracy
● Direct impact on business-critical logistics systems
● Long-term engagement, not a short-term contract

We are looking for a skilled Senior iOS developer with 5+ years of professional experience to join our project for working on enterprise-level project from the Canada

Requirements

Must have

• 5+ years of experience with iOS: Objective-C, Swift languages
• Experience with Mobile design patterns
• Integration with SOAP, RESTful services
• Experience with third party integrations using Cocoapods
• Experience with Unit testing
• Experience writing Unit Test Cases for Code, and using frameworks like Jest, Moch/Chai
• Experience working in cloud technologies, Docker, Devops, CI/CD tools (Jenkins, Bamboo, Github Actions, Gitlab CI or similar )
• Git or equivalent repositories.
• Tools: Analytics & Crash monitoring, Git / Stash
• English - at least Intermediate Strong level

Will be a plus

• Experience with Build Tools / Pipelines / Package Managers:  Webpack, Parcel, Vite, npm, Yarn, Babel
• Experience using frameworks like Jest, Moch/Chai
• Strong understanding of relational databases (e.g., SQL Server, PostgreSQL) and ORM frameworks (e.g., Entity Framework)
• Strong experience with noSQL databases like Redis, Cosmos etc.
• Experience working on database technology such as Oracle, MySql, etc.
• Big Data Technologies (Solr, Hive, HBase, Spark, Kafka, Yarn ,Storm, Splunk, Vertica)

About Project

Product

Our customer is one of the world’s most successful hotel companies. Hotel has 118 properties in 47 countries. For the second consecutive year, the hotel was named the Best Luxury Hotel Chain in the world by Business Traveller magazine.

Stage

Ongoing product ecosystem with continuous scaling and active development. Modern tech stack, no legacy.

Project team

Our technical team will consist of 8 people: Team Lead, PM, BA, Senior Node.js developer, Middle React developer, Senior iOS developer (this role), Middle Android developer, Senior QA Automation Engineer.
We also collaborate with a large Salesforce team on our side (up to 40 people)

Work Schedule

Full-time workweek (Monday to Friday), 40 hours.Opportunity to work remotely, from the office (Kyiv, Lviv, Dnipro), or in a hybrid format.

Interview Stages

• Сall with Recruiter (30 minutes)
• Interview with our Senior developer
• Technical Assessment with the Client
• Cultural Fit Interview with the Client

Responsibilities

• Work closely with AI assistants, prompt engineering
• Build, sign, and publish apps to App Store Connect
• Work with CI/CD pipelines to automate builds and deployment

• Contribute ideas and bring creative input to app development

  What We Expect

  Required:

• 1+ year of commercial iOS development experience (Swift, SwiftUI or UIKit)
• Confident use of AI tools for development: ability to craft prompts, review generated code, and iterate
• Hands-on experience with App Store Connect: uploading builds, filling metadata, passing review, version management
• Experience setting up CI/CD for iOS (Fastlane, Xcode Cloud, GitHub Actions or similar)

• Understanding of iOS app architecture (MVVM, clean project structure)

  Nice to have:

• Experience with In-App Purchases / subscriptions (StoreKit 2)
• Rapid prototyping skills — from zero to MVP in 1-2 days
• Portfolio of apps in the App Store

• Experience with Firebase, CoreData, REST API

  What We Offer

• Fully remote or hybrid work
• Flexible bonus system
• Modern stack and approach — no legacy, only SwiftUI + AI
• Opportunity to grow fast: working at the intersection of AI and mobile development is a skill of the future

Client:

One of the world's largest fashion retailers, selling in 215 markets through its online platform or its 6,477 stores in 95 markets. 

Project Details:

• The product is a mobile app developed using web technologies (Java and React). There are both web and mobile versions of the application
• Methodology: Scrum
• Сustomer's location: Spain
• Team Composition: TL + 2 BE + Lead IOS+ Senior IOS + QA
• Duration of cooperation: long-term

Requirements:
- 5+ years of proven extensive commercial experience with UIKit and Swift
- Extensive experience with SwiftUI
- Solid Object-Oriented Design and Analysis Skills and modern development practices
- Experience with testing – Unit testing, snapshot testing, automation testing
- Test Driven Development and Behaviour Driven Development
- Knowledge of UI Architectural patterns: MVC, MVVM, MVP
 

Responsibilities:
- Research and evaluate technical options to implement business requirements
- Work in close contact with the Product Owner and support in the technical definition of product backlog items
- Provide system or technical development expertise to the team
- Guarantee continuous deployment, write qualitative, maintainable code with extensive test coverage in a fast-paced professional software engineering environment
- Suggest technical and functional improvements to add value to the product

Client:

One of the world's largest fashion retailers, selling in 215 markets through its online platform or its 6,477 stores in 95 markets. 

Project Details:

• The product is a mobile app developed using web technologies (Java and React). There are both web and mobile versions of the application
• Methodology: Scrum
• Сustomer's location: Spain
• Team Composition: TL + 2 BE + Lead IOS+ Senior IOS + QA
• Duration of cooperation: long-term

Requirements:
- 5+ years of proven extensive commercial experience with UIKit and Swift
- Extensive experience with SwiftUI
- Solid Object-Oriented Design and Analysis Skills and modern development practices
- Experience with testing – Unit testing, snapshot testing, automation testing
- Test Driven Development and Behaviour Driven Development
- Knowledge of UI Architectural patterns: MVC, MVVM, MVP
 

Responsibilities:
- Research and evaluate technical options to implement business requirements
- Work in close contact with the Product Owner and support in the technical definition of product backlog items
- Provide system or technical development expertise to the team
- Guarantee continuous deployment, write qualitative, maintainable code with extensive test coverage in a fast-paced professional software engineering environment
- Suggest technical and functional improvements to add value to the product

Ajax Systems - is an international technology company, the largest developer and manufacturer of Ajax security systems with smart home capabilities in Europe. This ecosystem includes 180 devices, mobile and desktop applications, and server infrastructure. Every year, we demonstrate exponential growth in both the size of the team and the number of users worldwide. Currently, the company has more than 4,100 employees. Ajax sensors protect 3.5 million users in more than 187 countries around the world.

The System Department makes devices smart, turning them into full-fledged IoT. They created and developed OS Malevich (a modular RTOS for various hardware platforms) and the Ajax Cloud cloud service (Java 20 / Kotlin, AWS, Akka, NATS, Kafka, Mongo, MySQL). Applications for iOS (Objective-C, Swift), Android (Java, Kotlin), and Windows/macOS (Python / C++, QT, QML) have been developed for users, installers, and engineers of security companies to manage, maintain and monitor the system.

Required skills:

6+ years of experience in iOS development

Deep knowledge of Swift, Combine, and UIKit

Strong foundation in computer science principles, including memory management, concurrency, networking, data persistence, unit testing, performance profiling, and system design

Strong understanding of the full mobile development life cycle, Git, SOLID, OOP principles, and design patterns

Understanding of algorithms and data structures

Would be a plus:

Modular project organization knowledge (SPM, CocoaPods)

gRPC experience

Use the latest technologies and stay up to date with development trends

Passion for software engineering, learning, and continuous improvement

Tasks and Responsibilities:

Follow high standards of software quality established in the team

Design, build, and maintain high-performance, reusable, and reliable code

Collaborate with cross-functional teams to define, design, and ship new application featuresI

dentify options for potential solutions and assess them for both technical and business suitability

With us, you will enjoy:

Working with a team of people to build the future of an industry

Non-trivial challenges and various range of exciting tasks

Flexible working hours

Parking for cars and bicycles

Medical insurance

English classes

We are working to ensure people’s lives are calm and the world safe.Join the team that creates a smart and useful global product!

The Calendars builds an iOS app used by millions of people every day to plan their time. We’re looking for an iOS Engineer who wants to work on a large-scale product, contribute to the development of key features, and build a high-quality user experience as part of a strong team.

What you will do:

• Implement, document, maintain existing application functionality.
• Enhance the application's responsiveness. Identify and rectify bottlenecks and bugs.

• Collaborate with UX/UI designers to transform design mockups and wireframes into fully functional and visually appealing iOS application

   

About you:

• Experience developing applications using Swift and Objective-C.
• Understanding of iOS design principles, interface guidelines, and best practices.
• Strong understanding of SOLID, OOP patterns, concurrency patterns.
• Proficient in memory management and performance tuning.

• Comfortable working with UIKit, SwiftUI, Foundation, Combine, GCD, Swift Concurrency.

   

Would be a plus:

• Experience of working with calendar-related applications e.g. time zones, recurreint events, etc.
• Intstuments
• CI/CD
• StoreKit

What you will get at Readdle:

• Customer-centric culture. We put our users at the heart of everything we do. Every team member has the opportunity to engage directly with customers, gaining insights that shape meaningful, delightful experiences for millions worldwide.
• Relentless growth. We’re committed to mastery in our craft. We take ownership of our work, decisions, and outcomes, and we see feedback as a catalyst for growth. Every challenge is an opportunity to learn, evolve, and raise the bar.
• Exceptional people, exceptional team. Our greatest strength is our people. We care deeply about each other, work transparently, and celebrate collective success. Together, we build an environment where everyone can do their best work and grow beyond their potential.
• Real impact. We design products that truly matter. Our focus is on delivering tangible value, simplifying complexity, pushing boundaries, and continuously improving how we build and deliver solutions to our users.
• Culture of innovation. We embrace curiosity and creativity in everything we do. Fresh ideas are not just welcomed, they’re expected, celebrated, and turned into real innovations that shape the future of our products and company.

PROJECT: We are building 4connection – a modern messenger with interest-based communities, serious dating/matching features, strong encryption, accessibility and youth protection. The iOS client is built natively in Swift. SwiftUI for the interface, Firebase for push and real-time features, Keychain for secure storage. Like the Android developer, you work with the backend developer from day one – features are tested against real APIs, not against mocks.

REQUIREMENTS: 1+ years of experience in native iOS development with Swift. Understanding of the iOS app lifecycle and background processing. Experience with Firebase (Cloud Messaging, Firestore). Basic knowledge of secure storage (Keychain). Experience with Git and project management tools (Redmine). Good English skills (reading and writing).

NICE TO HAVE: Experience with SwiftUI. Experience with accessibility features (VoiceOver, Dynamic Type, accessible navigation). Knowledge of youth protection or age verification concepts. Experience with APNs (Apple Push Notification service). Experience with real-time chat or messaging apps.

RESPONSIBILITIES: Implementing the complete iOS client based on UI/UX mockups. Building the chat interface, group features and matching/dating UI. Integrating Firebase for push notifications and real-time data. Implementing accessibility features for full VoiceOver and Dynamic Type support. Collaborating with the backend developer on API integration and testing. Owning the entire iOS client – every line of code is your responsibility.

WE OFFER: Fully remote work. A small, focused team without overhead. Direct communication, short paths, real input on architecture decisions. AI-assisted development with Claude. The iOS client will be released as open source – your code will be seen by the community. Fair compensation, long-term collaboration. Open-source tooling throughout.

Tech Stack: Swift, SwiftUI, Firebase, Apple Keychain, WebSocket, Git, Redmine, Nextcloud