Senior Software Engineer, Core Experiences - Yokohama, Japan
Yokohama, Japan · Remote OK
Senior
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 …
Skills: Kotlin Multiplatform, Kotlin, GCP, API Design, Systems Thinking
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Yokohama, Japan · Remote Solely
Senior
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Full-time
Competitive salaries, Friendly and laid-back atmosphere, Asynchronous culture, Entrepreneurial environment
Posted 18d ago
~40 hrs/week
Remote in Yokohama, Japan
Responsibilities
Build and maintain foundational services and SDKs that power the product experience across platforms. Collaborate with product teams to scope projects and deliver efficient backend services and cloud functions using Kotlin.
Requirements
Requires a senior engineer with strong systems thinking and experience in Kotlin Multiplatform. Proficiency with GCP is preferred, along with the ability to work effectively in a high-growth, remote startup environment.
Full job description
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.
Speechify is the Voice AI Assistant you’ve always wanted.
Speechify reads, types, talks, and answers for you. Trusted by 50+ million users.
Want to read faster? Speechify reads any Google Doc, PDF, webpage, or book aloud in 1000+ lifelike voices across 60+ languages, at up to 4.5x speed.
Have a question? Just ask – Speechify already has context from the articles, books, and documents on your screen. It’s like talking to ChatGPT, but faster and with more context.
Want to type faster? Speak naturally and Speechify will type every word for you.
Speechify combines the world’s most human-sounding text to speech (TTS), voice typing dictation, and voice assistant technology.
== Speechify Features ==
➤ Listen at any speed
Hear anything up to 4.5× faster (900 wpm). Learn more in less time with voices that sound natural even at high speed.
➤ Listen on desktop or mobile devices.
Your library syncs instantly across desktop and mobile. Start reading on Chrome, continue on iOS or Android – anytime, anywhere.
➤ Human-like voices
Speechify voices feel real, including official partners like Snoop Dogg, MrBeast, and Gwyneth Paltrow and 200+ others.
➤ Screenshot image to audio
Take a picture or screenshot of any text and Speechify will read it aloud instantly.
➤ Floating widget
Always at your fingertips – move it, dock it, or hide it entirely for a distraction-free experience.
➤ Voice Typing
Dictate emails, essays, or prompts directly into any website. Type 3–5× faster just by talking.
➤ Talk to Speechify
Ask: “What are the main takeaways?” or “Quiz me on this essay.” Speechify understands your articles, documents, and anything on your screen – it’s your personal AI reader, assistant, and tutor in one.
➤ Other features
• Active highlighting for reading along.
• Inline player on every site.
• One subscription synced across all devices.
== Joining Speechify ==
We're actively hiring across every role.
Please go to speechify.com/careers to apply!
Offices: Remote, US · Remote, AL · Remote, BA · Remote, GE · Remote, XK
How many Technology jobs are open in Yokohama, Japan right now?
There are currently 122 open technology positions in Yokohama, Japan listed on Clera. New openings are added daily as companies post roles.
Which companies are hiring for Technology roles in Yokohama, Japan?
Companies currently hiring include Bosch, Ericsson, Accenture, AUMOVIO, NTT DATA North America, among others. Browse the listings above to see every active employer.
Are there remote or hybrid Technology jobs in Yokohama, Japan?
Yes — 33 of the 122 open technology positions offer remote or hybrid work (8 remote, 25 hybrid).
How do I apply for Technology jobs in Yokohama, Japan?
Each listing links directly to the employer's application page. Apply early — fresh listings get the most recruiter attention in the first two weeks.