Let's start with the role

Back in 2021 we aimed to reform our team and increase its size twofold. After successfully achieving this goal, and looking ahead to 2026, our focus remains on crafting our skills and making Kaizen a "Mobile First" company.

Our mobile team consists of 17+ iOS Engineers and 18 Android Engineers and they are complemented by Software Engineers in Test, for the quality perspective.

Our Engineers work either in our Mobile Infrastructure team or they actively contribute to our cross-functional feature squads.

Our mobile applications have a widespread user base, reaching millions of people across many countries and continents. We use Swift/Kotlin to create a quality codebase and we heavily invest in covering our codebase with tests on all levels. Our goal is to enhance our technical practices and move to the next technical level.

Tech Stack: Swift, Alamofire, SwiftUI components, Modular architecture, GitLab for source code management, Bitrise for CI/CD, XCTest for Unit Testing, XCUITest for UI Testing, MVC to MVP, SwiftLint, Structured Concurrency, Firebase, Figma for designs, Transifex for localization

Supportive Stack/Processes: Scrum/Kanban, Jira / Confluence, Firebase / Google Analytics / Google Tag Manager, Pair programming, Unit testing, GitFlow, Code Reviews

Contribute to shaping the new era of the company, mobile-wise

Implement our technology roadmap to the highest of quality standards

Influence the technological vision of the iOS chapter

Engage in challenging tasks and constantly hone your technical skills

What you’ll bring

• Proficient in Swift programming language.
• Solid understanding of iOS frameworks, UI/UX principles and design patterns.
• Experience with version control systems, such as Git.
• Strong focus on building user experiences of exceptional quality
• Excellent communication and teamwork skills.

Nice to have:

• Experience with code testing methodologies, such as unit testing and integration testing.
• Experience with SwiftUI and modern Swift APIs (Combine, Async/Await, Actors, e.t.c.)
• Familiarity with continuous integration and continuous deployment (CI/CD) processes

Kaizen Gaming Perks

• 🕑 Hybrid way of working;
• 🏃 A buddy will support you with your onboarding;
• 💸 Competitive pay & bonus scheme;
• ⭐Developmental 360° feedback framework;
• 💰 Monthly meal allowance;
• 👩‍⚕️ Private health insurance for you and your family;
• 📚 Unlimited access to Udemy & continuous training;
• 👨‍👩‍👧‍👦 Family Support.

Let's start with the role

Back in 2021 we aimed to reform our team and increase its size twofold. After successfully achieving this goal, and looking ahead to 2026, our focus remains on crafting our skills and making Kaizen a "Mobile First" company.

Our mobile team consists of 17+ iOS Engineers and 18 Android Engineers and they are complemented by Software Engineers in Test, for the quality perspective.

Our Engineers work either in our Mobile Infrastructure team or they actively contribute to our cross-functional feature squads.

Our mobile applications have a widespread user base, reaching millions of people across many countries and continents. We use Swift/Kotlin to create a quality codebase and we heavily invest in covering our codebase with tests on all levels. Our goal is to enhance our technical practices and move to the next technical level.

Tech Stack: Swift, Alamofire, SwiftUI components, Modular architecture, GitLab for source code management, Bitrise for CI/CD, XCTest for Unit Testing, XCUITest for UI Testing, MVC to MVP, SwiftLint, Structured Concurrency, Firebase, Figma for designs, Transifex for localization

Supportive Stack/Processes: Scrum/Kanban, Jira / Confluence, Firebase / Google Analytics / Google Tag Manager, Pair programming, Unit testing, GitFlow, Code Reviews

Being part of the Infrastructure team, you will:

• Help shape the new era of the company mobile wise
• Implement our technology roadmap to the highest of quality standards
• Affect the technological vision of the iOS chapter
• Work on challenging tasks and constantly hone your technical skills

Being part of the feature squads, you will:

• Contribute to and lead each step of the product development process, from ideation to implementation to release while architecting and building solutions that can scale to support millions of users.
• See the big picture and identify inefficiencies and opportunities for meaningful improvements.
• Raise the bar to make Kaizen iOS engineering truly the best-in-class by improving best practices, producing exemplary code, documentation, automated tests, and thorough and precise monitoring.
• Conduct thorough testing, identify and address performance bottlenecks, and optimize application performance.
• Mentor and guide junior and mid-level engineers, fostering a culture of continuous learning and improvement.

What you’ll bring

• Expertise in Swift programming language.
• Strong understanding of software development principles, capabilities, and limitations of the iOS platform.
• Extensive experience with code testing methodologies, such as unit testing and integration testing.
• Proficient in version control systems, such as Git.
• Experience with continuous integration and continuous deployment (CI/CD) processes.
• Strong problem-solving skills and attention to detail.
• Excellent communication and leadership skills.

Kaizen Gaming Perks

• 🕑 Hybrid way of working;
• 🏃 A buddy will support you with your onboarding;
• 💸 Competitive pay & bonus scheme;
• ⭐Developmental 360° feedback framework;
• 💰 Monthly meal allowance;
• 👩‍⚕️ Private health insurance for you and your family;
• 📚 Unlimited access to Udemy & continuous training;
• 👨‍👩‍👧‍👦 Family Support.

The mission of Speechify is to make sure that reading is never a barrier to learning.

Over 50 million people use Speechify’s text-to-speech products to turn whatever they’re reading – PDFs, books, Google Docs, news articles, websites – into audio, so they can read faster, read more, and remember more. Speechify’s text-to-speech reading products include its iOS app, Android App, Mac App, Chrome Extension, and Web App. Google recently named Speechify the Chrome Extension of the Year and Apple named Speechify its App of the Day.

Today, nearly 200 people around the globe work on Speechify in a 100% distributed setting – Speechify has no office. These include frontend and backend engineers, AI research scientists, and others from Amazon, Microsoft, and Google, leading PhD programs like Stanford, high growth startups like Stripe, Vercel, Bolt, and many founders of their own companies.

Overview

With the growth of our iOS app, being the #18 productivity app in the App Store category and also our recent recognition as Apple's 2025 Design Award for inclusivity, we find the need for a Senior iOS Engineer to help us support the new user base as well as work on new and exciting projects to push our missing forward.   

This is a key role and ideal for someone who thinks strategically, enjoys fast-paced environments, passionate about making product decisions, and has experience building great user experiences that delight users.

We are a flat organization that allows anyone to become a leader by showing excellent technical skills and delivering results consistently and fast. Work ethic, solid communication skills, and obsession with winning are paramount. 

Our interview process involves several technical interviews and we aim to complete them within 1 week. 

What You’ll Do

• Opportunity to lead key engineering and product decisions
• Actively shipping production code for the Speechify iOS app
• Work within a dedicated product team
• Participate in product discussions to shape the product roadmap
• Maintain and enhance the existing complex app architecture

An Ideal Candidate Should Have

• Experience. You've worked on products that scaled to a large user base
• Track record. You have worked on various products from inception to decent traction. You have been responsible for engineering the product
• Customer obsession. We expect every team member whose responsibilities directly impact customers to be constantly obsessed about providing the best possible experience
• Product thinking. You make thoughtful decisions about the evolution of your product and support internal teams and designers into taking the right direction
• Speed. You work quickly to generate ideas and know how to decide which things can ship now and what things need time
• Focus. We’re a high-growth startup with a busy, remote team. You know how and when to engage or be heads down
• Technical skills. Swift, SwiftUI

Technical Requirements:

• Swift Programming Language
• SwiftUI experience
• Experience in Multithreading Programming
• Working with CI/CD infrastructure
• Experience with Fastlane
• SOLID principles, the ability to write every single class according to SOLID
• Experience with Git and understanding of different Git strategies

What We offer:

• A fast-growing environment where you can help shape the company and product
• An entrepreneurial crew that supports risk, intuition, and hustle
• The opportunity to make a big impact in a transformative industry
• A competitive salary, a collegiate atmosphere, and a commitment to building a great asynchronous culture
• Work on a product that millions of people use and where daily feedback includes users sharing that they cried when they first found the product because it was so impactful on their lives
• Support people with learning differences like Dyslexia, ADD, Low Vision, Concussions, Autism, and Second Language Learners, and give reading superpowers to professionals all over the world
• Work in one of the fastest growing sectors of tech: Intersection of Artificial Intelligence and Audio

Think you’re a good fit for this job? 

Tell us more about yourself and why you're interested in the role when you apply.
And don’t forget to include links to your portfolio and LinkedIn.

Not looking but know someone who would make a great fit? 

Refer them! 

Speechify is committed to a diverse and inclusive workplace.

Speechify does not discriminate on the basis of race, national origin, gender, gender identity, sexual orientation, protected veteran status, disability, age, or other legally protected status.