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 Design award winner for inclusivity for 2025.

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 Android app, being the most used text-to-speech app in the Play Store, we find the need for a Senior Android Engineer to help us support the new user base as well as work on new and exciting projects to push us 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

• Owning major features and working closely with our design team - take ownership of features inside the app and become responsible of delivering high quality features
• Shape the future of our Android team
• Own, maintain and improve reliability metrics for key features
• Participate in discussions across different teams - Product, Design, Engineering
• Review pull requests, and support other teammates
• Handle critical issues or cope with unexpected challenges 
• Take ownership of feature releases and provide nightly builds for the QA team

An Ideal Candidate Should Have

• 5+ years of software engineering experience
• Familiarity with Android components
• Experience building or contributing to at least one Android app
• Product design intuition and user empathy
• Drive to push the boundaries of Android UI/UX
• Understanding of the importance of tests and how to approach writing tests
• Self-drive to improve the app and codebase above and beyond what's outlined in the spec
• Rock solid experience with Kotlin, Kotlin Coroutines, Kotlin Flow, Dagger 2, MVVM, Clean Architecture, Background Services, Music Player Service, Android Animations, Jetpack Navigation, JUnit tests
• Excellent communication skills
• User oriented problem solving approach
• Driven with continuous feedback from leaders

Bonus:

• Experience building, maintaining, or otherwise contributing to open source projects in Android
• Experience with iOS, Web or NodeJS

Technologies we use:

• Kotlin
• Kotlin Coroutines
• Kotlin Flow
• Jetpack Navigation
• Dagger 2
• Room
• Custom Views, Canvas & Paint
• Jetpack Compose
• JUnit

What We offer:

• A fast-growing environment where you can help shape the company and product.
• An entrepreneurial-minded team that supports risk, intuition, and hustle.
• A hands-off management approach so you can focus and do your best work.
• An opportunity to make a big impact in a transformative industry.
• Competitive salaries, a friendly and laid-back atmosphere, and a commitment to building a great asynchronous culture.
• Opportunity to work on a life-changing product that millions of people use.
• Build products that directly impact and support people with learning differences like dyslexia, ADD, low vision, concussions, autism, and more.
• Work in one of the fastest growing sectors of tech, the 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.

Mission

Speechify is the easiest way to listen to the world’s information. Articles on the web, documents in the cloud, books on your phone. We absorb it all and let you listen to it at your desk, on the go, at your own speed, and with tools that make learning easier, deeper, and faster.

What streaming services have done for audio entertainment, we’re doing for audio information. And whatever we’re doing seems to be working. We’re #1 in our category, and experiencing exponential growth.

Overview

We're looking for a Senior Software Engineer to join our Core Experiences Team. This team builds and maintains the foundational services and SDKs that power Speechify’s product experience across platforms. It's a critical role for someone who enjoys working at the intersection of product and infrastructure, thinks strategically, and is passionate about designing clear, reliable APIs and simple systems that directly enhance the user experience.

What You’ll Do

• Collaborate with Speechify’s Product Teams to scope projects, find ways to reduce scope to get faster feedback from customers, navigate the integration/UX tradeoffs relevant to different product teams, and deliver solutions via our cross-platform SDK
• Optimize existing functionality to ship things like faster loading and more intelligent parsing by designing more efficient abstractions and improving our algorithms
• Ship cloud functions, lightweight backend services, and jobs using Kotlin

An Ideal Candidate Should Have

• Systems thinking. You know that optimizing a system requires end-to-end design, and you believe simplicity is valuable.
• Speed. You work quickly to generate ideas and options 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
• Collaboration. You know how to inspire, play, and negotiate with opinionated designers, marketers, and PMs
• Preferred Tech Stack:
  • Kotlin Multiplatform (Java experience is OK but role is Kotlin Multiplatform) 
  • Prior experience with GCP is a plus

What We Offer

• A fast-growing environment where you can help shape the company and product.
• An entrepreneurial-minded team that supports risk, intuition, and hustle.
• A hands-off management approach so you can focus and do your best work.
• An opportunity to make a big impact in a transformative industry.
• Competitive salaries, a friendly and laid-back atmosphere, and a commitment to building a great asynchronous culture.
• Opportunity to work on a life-changing product that millions of people use.
• Build products that directly impact and support people with learning differences like dyslexia, ADD, low vision, concussions, autism, and more.
• Work in one of the fastest growing sectors of tech, the 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.

About Tokyo

Applied Intuition entered the Japan market in 2019. The company has rapidly grown and established strategic relationships with major Japanese automotive OEM customers. Based in Otemachi area, the Tokyo site consists of more than 60 employees who previously come from Woven by Toyota, Mobileye, TIER IV, Google, Siemens and other renowned companies. We are hiring our first new graduate class - want to learn more?

About the role

At Applied Intuition, you will:

• Design, build, and improve the tools, libraries, and frameworks for our engineering team
• Build and test scalable tools for deploying to various automotive and cloud platforms
• Optimize our compile/build times using tools like Bazel, CMake, Docker
• Improve software deployment and data collection frameworks
• Identify and solve bottlenecks within our software stack

We're looking for someone who has:

• 5+ years of relevant experience
• Fluency in both English and Japanese (written and verbal), with the ability to operate effectively in a bilingual business environment
• Experience working directly with customers 
• Some experience using Python, Go, Java, or Kotlin
• Experience with CI, build, and deployment technologies like Bazel, Buildkite, Docker, Kubernetes, and Jenkins, and comfortability with scripting for automation
• Experience with Linux and/or ARM systems
• Experience working with configuration management tools like Ansible and Terraform

Nice to have:

• Experience using C and C++
• Experience working in automotive or related industries
• Experience with deploying software on either public clouds (e.g., AWS) or on-premise clusters

Benefits and perks:

• Lunch and dinner allowance
• Equity (RSU) offering
• English / Japanese language allowance
• Company sponsored housing program
• Pension plan (確定拠出年金)

About PayPay Securities / PayPay証券について

PayPay is a FinTech company that has surpassed 70 million users (as of July 2025) in 7 years since its launch in 2018, is rapidly expanding its business scale as a payment platform used by approximately one out of every two smartphone users in Japan.

PayPay Securities Corporation provides a unique and familiar asset management service that anyone can easily use in their daily lives as a specialized smartphone brokerage firm that can be used through PayPay.

As a member of the PayPay Group, we are refining our products at an overwhelming speed that no other company can imitate, and we will promote the spread of cashless payments in Japan and the financial life platform that uses them at a dash. We are looking for people who are passionate about these things as professionals, who can identify issues on their own, and who can work together with others to create new value.

※ Please note that you cannot apply or be selected in parallel with PayPay Corporation, PayPay Card Corporation and PayPay Securities Corporation.

2018年にサービスを開始してから約7年でユーザー数7,000万人（2025年7月時点）を突破したフィンテック企業である「PayPay」は日本国内においてスマホユーザーのおよそ2人に1人が使用する決済プラットフォームとして急速に事業規模を拡大しています。

PayPay証券株式会社は「PayPay」から使用できるスマホ専業証券会社として「資産運用」を日常の中で誰もが簡単にできるユニークで身近な資産運用サービスを提供しています。
他社に真似できない圧倒的なスピードでプロダクトを磨き上げ、日本のキャッシュレス決済、またそれを使用した金融ライフプラットフォームとしての普及を一気に推進することにプロフェッショナルとして情熱を持って取り組み、ユーザーの為に新しい価値創出を共に推進する仲間を募集します。

※ PayPay証券株式会社へご応募いただく際にはPayPay株式会社、PayPayカード株式会社へ併願応募はご遠慮いただいております。ご了承ください。

Job Description / 業務について

PayPay Securities, as an important part of PayPay’s financial ecosystem, has launched “Point Management” with over 20 million users and “PayPay Asset Management, the first initiative in Japan that enables asset management on a payment application. Now that the business foundation of the financial ecosystem is finally in place, we intend to expand our business to change the structure of asset management in Japan, with the main target being those who have not yet started asset management or were not interested in it before.

To achieve our goal, PayPay Securities is preparing to bring in technical talents not only from Japan but also globally, just as we have done with PayPay’s product division. As a Backend Engineer, you will be collaborating with engineers, designers and QAs, and working in an environment where you can be one of the founding members to build up a new organization within PayPay Securities.

※ Please note that this job is for Japan Residents Only

PayPay証券はPayPayの金融エコシステムの重要な一角を担う企業として、2,000万ユーザーを超える「ポイント運用」と、決済アプリ上で資産運用ができる日本初の取り組みである「PayPay資産運用」をスタートさせました。ようやく金融エコシステムの事業基盤が整ったところで、日本の資産運用の構造を変えるべく、これからはまだ資産運用を始めていない方や関心がない方たちをメインターゲットと捉えて事業を拡大させていきます。

そのためにPayPay証券のエンジニアリング部門は、PayPayと同様なレベルでの技術力と開発スピードの向上および内製化を進めています。
日本国内に限らず海外からも優秀な人材を迎え入れるグローバル組織を構築する予定です。（英語力については翻訳チームやWebツールを活用しながら入社後に学んで頂く形でも問題はありません）

Highlights of the opportunity / ポジションの魅力:

• Be part of the team to build up a new organization and environment
• Develop skills in making business plans from a high perspective, through the high-level coordination with departments and affiliated companies within PayPay Group to support the top management’s decision
• Gain experience in a company that aiming to be the pioneer in the market to provide a brand new Mobile Securities services, which never had before during the era of Financial reformation
• Able to utilize PayPay’s services and user base
  
  
• 新しい組織・環境を一緒に作り上げることができる点
• 経営トップの意思決定サポートや各部門・PayPayを始めとした関係会社とのハイレベルな調整を通じ、高い視点に立った企画立案能力を獲得することができる点
• 金融業界の変革期のなかで、これまでにない新しいモバイル証券サービスの提供を目指す当社において、業界の最前線にて業務経験を積むことができる点
• PayPayのサービス・ユーザー基盤を活用できる点

Responsibilities / 主な担当業務:

• Develop and operate the Backend Application system for PayPay Securities product (PHP, Java, SpringBoot, Kotlin, MySQL/AuroraDB)
• Design large scale systems with high complexity to support our high throughput applications
• Understand how to leverage infrastructure for solving such large scale problems
• Develop tools and contribute to open source wherever possible
• Adopt problem solving as a way of life – always go to root cause!

• PayPay証券プロダクトが接続するバックエンドアプリケーションの開発と運用（PHP、Java、SpringBoot、Kotlin, MySQL/AuroraDB）
• 複雑性の高い大規模システムを設計し、高スループットのアプリケーションを提供する
• システム課題を解決するためのインフラストラクチャの活用方法を理解し実装する
• 可能な限りツールを開発し、またオープンソースに貢献する
• 問題解決思考で行動し、常に根本原因を追求する

Qualifications / 必要なスキル・経験 :

• 3-5 experience in developing Backend Application for company products
• Experience in using Java/PHP under professional environment, or if you are non-Java user, excellent skills in generalized programming languages, such as Scala, Python and Go.
• Interest and ability to learn other coding languages as needed.
• Experience with NoSQL databases and distributed cache.
• Strong fundamentals in data structures, algorithms and object oriented programming
• In-depth understanding of concurrency and distributed computing
• Degree in Computer Engineering or Computer Science or 5+ years equivalent experience in SaaS platform development
• Business level in either English or Japanese (JLPT N1)

• 3~5年の自社プロダクトのバックエンド開発経験
• Java/PHPの実務経験。またはScala、Python、Goなどの一般的なプログラミング言語の優れたスキル
  必要に応じて他のプログラミング言語を学ぶ興味を持っていること
• NoSQLデータベースや分散キャッシュの使用経験
• データ構造、アルゴリズム、オブジェクト思考プログラミングの基礎を理解していること
• 並列処理と分散コンピューティングを深く理解していること
• 日本語（日本語が母国語、もしくは、日本語能力試験N1同等レベル）
• 英語に苦手意識がないこと（業務において必要であれば通訳を介します）

Preferred Qualifications / あると望ましいスキル・経験:

• Experience with implementing platform components such as RESTful APIs, Pub/Sub Systems, Database Clients
• Experience with AWS services
• Experience in system design, development of web system which handles massive amount of transactions or requires scalability
• Experience with Microservices
• Experience in working for system development in securities, finance, or similar industries
• Experience in developing inhouse Product/Service

• RESTful API、Pub/Subシステム、データベースクライアントなどのプラットフォームコンポーネントの実装経験
• AWSサービスの利用経験
• システム設計、大量トランザクションを扱うアプリ/Webプロダクト、スケーラビリティを必要とするアプリ/Webプロダクトの開発経験
• マイクロサービスの経験
• 証券・金融業界での開発経験
• インハウスでの自社サービス運用経験
• 英語（ビジネスレベルでの会話が可能なレベル）

The ideal candidates at PayPay Securities / PayPay証券が求める人物像

• PayPay 5 senses

Working Conditions

Employment Status

• Full Time

Office Location

• Hybrid Workstyle (flexible working style including Remote and office)　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　※There are no fixed rules regarding office attendance in Product group; it depends on each individual's discretion.

Work Hours

• Super Flex Time (No Core Time)
• In principle, 9:00am-5:45pm + 1h break (actual working hours: 7h45m + 1h break)

Holidays

• Every Sat/Sun/National holidays (In Japan)
• Summer break (2 days / generally taken between July 1st and September 30th / subject to change depending on month of employment)
• Year-end and New Year holidays (12/31-1/3)

Paid leave

• Annual paid leave (1 to 10 days depending on the month of joining will be granted upon employment date)

Salary

• Annual salary paid in 12 installments (monthly)
• Based on skills, experience and abilities
• Review once a year
• Special Incentive once a year *Based on company performance and individual contribution and evaluation
• Overtime allowance, Late overtime allowance, Commuting and transportation expenses, Work style support allowance

Benefits

• Social Insurances (Health insurance, Employee pension, Employment insurance and Industrial accident compensation insurance)
• 401K

待遇・条件

雇用形態

• 正社員

勤務地

• 自宅または本社

勤務時間

• スーパーフレックス制（コアタイム無し）
• 原則：午前9時～午後17時45分（実働7.75時間＋休憩時間 1時間）

休日

• 完全週休2日制（土日祝）
• 有給休暇（入社時付与あり／入社月に応じて1日〜10日付与）
• 夏季休暇（2日／原則7/1-9/30の間に取得／入社月に応じて変動あり）
• 年末年始休暇（12/31-1/3）
  
  

休暇（法定休暇および会社福利厚生）

• 年次有給休暇(初年度10日間、入社月に応じて按分付与、入社日から使用可）

給与

• 年俸制
• 経験、スキル、業績、貢献度に応じ当社規定により決定
• 昇給（年1回）
• 会社業績および個人貢献度により賞与支給（年1回）
• 時間外勤務手当、深夜勤務手当、通勤交通費、WorkStyle支援金

ベネフィット

• 社会保険（健康保険、厚生年金、雇用保険、労災保険）
• 企業型確定拠出年金（401k）