Jobs iOS

We are seeking an experienced iOS developer to take ownership of an enterprise iPad application. The application is a mobile version of Java-based desktop system, enabling field engineers to capture well operations data on iPad and synchronize it with the central database via a custom REST-based sync service (AutoSync).
 
The primary objective is to upgrade the app to the latest iOS version while maintaining full backward compatibility with the existing data synchronization infrastructure. The role also includes ongoing bug fixes and feature enhancements.

• Responsibilities:

  iOS Upgrade: Migrate the iPad application from iOS 15.5 to the latest iOS, resolving all deprecations, breaking changes, and compatibility issues
  API Modernization: Replace deprecated APIs and UIKit/Foundation classes
  Bug Fixes: Diagnose and fix issues including Core Data crashes, sync failures, UI rendering problems, and memory leaks
  Feature Enhancements: Implement new form screens, spreadsheet views, and data entry workflows following the existing builder pattern architecture
  Core Data Maintenance: Handle schema migrations, add new entities/attributes, and ensure data integrity across multiple persistent stores
  Sync Reliability: Maintain and improve the bidirectional data synchronization between iPad and server, including conflict handling and error recovery
  Testing: Unit test coverage and establish regression testing practices
  Documentation: Document the architecture, upgrade decisions, and technical debt for long-term maintainability

• Mandatory Skills Description:

  3+ years of experience
  Objective-C
  Manual Reference Counting (MRC) 
  Core Data
  UIKit (iPad)
  iOS SDK Deprecation & Migration
  Xcode & Instruments 
  SQL
  Git

• Nice-to-Have Skills Description:

  GIT

• We are seeking an experienced iOS developer to take ownership of an enterprise iPad application. The application is a mobile version of Java-based desktop system, enabling field engineers to capture well operations data on iPad and synchronize it with the central database via a custom REST-based sync service (AutoSync).
   
  The primary objective is to upgrade the app to the latest iOS version while maintaining full backward compatibility with the existing data synchronization infrastructure. The role also includes ongoing bug fixes and feature enhancements.

   

• Responsibilities:

  iOS Upgrade: Migrate the iPad application from iOS 15.5 to the latest iOS, resolving all deprecations, breaking changes, and compatibility issues
  API Modernization: Replace deprecated APIs and UIKit/Foundation classes
  Bug Fixes: Diagnose and fix issues including Core Data crashes, sync failures, UI rendering problems, and memory leaks
  Feature Enhancements: Implement new form screens, spreadsheet views, and data entry workflows following the existing builder pattern architecture
  Core Data Maintenance: Handle schema migrations, add new entities/attributes, and ensure data integrity across multiple persistent stores
  Sync Reliability: Maintain and improve the bidirectional data synchronization between iPad and server, including conflict handling and error recovery
  Testing: Unit test coverage and establish regression testing practices
  Documentation: Document the architecture, upgrade decisions, and technical debt for long-term maintainability

   

• Mandatory Skills Description:

  3+ years of experience
  Objective-C
  Manual Reference Counting (MRC) 
  Core Data
  UIKit (iPad)
  iOS SDK Deprecation & Migration
  Xcode & Instruments 
  SQL
  Git

   

• Nice-to-Have Skills Description:

  GIT

   

• Languages:
  • English: B2 Upper Intermediate

Project Description:

We are seeking an experienced iOS developer to take ownership of an enterprise iPad application. The application is a mobile version of Java-based desktop system, enabling field engineers to capture well operations data on iPad and synchronize it with the central database via a custom REST-based sync service (AutoSync).
 
The primary objective is to upgrade the app to the latest iOS version while maintaining full backward compatibility with the existing data synchronization infrastructure. The role also includes ongoing bug fixes and feature enhancements.

Responsibilities:

iOS Upgrade: Migrate the iPad application from iOS 15.5 to the latest iOS, resolving all deprecations, breaking changes, and compatibility issues
API Modernization: Replace deprecated APIs and UIKit/Foundation classes
Bug Fixes: Diagnose and fix issues including Core Data crashes, sync failures, UI rendering problems, and memory leaks
Feature Enhancements: Implement new form screens, spreadsheet views, and data entry workflows following the existing builder pattern architecture
Core Data Maintenance: Handle schema migrations, add new entities/attributes, and ensure data integrity across multiple persistent stores
Sync Reliability: Maintain and improve the bidirectional data synchronization between iPad and server, including conflict handling and error recovery
Testing: Unit test coverage and establish regression testing practices
Documentation: Document the architecture, upgrade decisions, and technical debt for long-term maintainability

Mandatory Skills Description:

3+ years of experience
Objective-C
Manual Reference Counting (MRC) 
Core Data
UIKit (iPad)
iOS SDK Deprecation & Migration
Xcode & Instruments 
SQL
Git

Nice-to-Have Skills Description:

GIT

Languages:

English: B2 Upper Intermediate

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 Full Stack 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

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!

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!

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.

About the Product

We are building an iOS application with real-time on-device audio processing powered by CoreML.

All ML logic runs fully on-device.
No raw audio is stored or sent to the backend.

We are looking for an engineer who has already built real-time audio + ML features in production and can start delivering immediately — no onboarding, no learning curve.

You MUST Have

• Proven commercial experience with CoreML in production
• Experience building real-time audio pipelines
• Hands-on work with AVAudioEngine
• Experience integrating audio streams into ML models
• Experience running audio + ML in background mode
• Performance optimization on real devices

If you do not have production experience with CoreML and real-time audio — this role is not a fit.

Responsibilities

• Build and maintain the pipeline:
  Microphone → Audio processing → Feature extraction → CoreML inference → UI
• Optimize latency and CPU usage
• Ensure stability across devices
• Handle background audio execution
• Maintain strict privacy (no raw audio storage)

Nice to Have (but still relevant)

• Experience with Accelerate / vDSP
• Experience with SoundAnalysis
• Experience with acoustic event detection (laughter, shouting, silence, etc.)

One-Line Summary of Who We’re Looking For

A production-ready Senior iOS engineer who has already shipped real-time CoreML audio features and can work independently from day one.