Join Blub Blub

Come and join our talented team where we want passionate people to help us build Speech Blubs. We are a team of 40 people, including parents, UI and UX designers, marketers, growth experts, data analysts, engineers, and content creators. More about Blub Blub

Open positions

MARKETING

User Acquisition Specialist

Ljubljana, Slovenia

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We’re looking for a User Acquisition Specialist who would join us to work on our Speech Blubs app (speechblubs.com), which has already helped over 4,000,000 kids from all around the world! Due to this fast pace and constant growth, we’re always on the lookout for new talents who would help us make an impact.

We help kids aged 1-5 develop their speech and primary language through approved therapeutic techniques such as video-modelling and gamification while using different technological approaches such as AI, facial recognition, voice activation and even personalization for each user.

Desired Skills / Knowledge:

  • Few years experience in managing campaign on Facebook, Google Ads, any other advertising channels
  • Data analysis experience using Excel or similar tools
  • Experience managing and optimizing advertising campaigns
  • Knowledge of different marketing and advertising strategies

Responsibilities we expect from you:

  • Plan, execute and analyze user acquisition campaigns across channels
  • Analyze the performance and measure ROI of all marketing activities
  • Track campaign and generate performance reports
  • Communicate plans, goals, and results
  • Good communication skills to efficiently cooperate with the broader team
  • Collaborate with product teams and executives to define marketing goals, develop a marketing strategy, and implement campaigns

What do we offer:

  • Full-time contract with 6-month probationary period
  • Young, agile and ambitious team with the vision of making an impact
  • Structured pay raise plan based on personal bi-annual and annual goals 
  • Annual bonus and stock option
  • Personal mentorship, opportunities to visit conferences, take online technical courses and participate in internal development workshops
  • Flexible working hours and different home office / office combinations
  • All quality work equipment and software provided (we use Apple devices)
  • Modern open office space in the centre of Ljubljana with a nice terrace overseeing the city life
  • 24/7/365 access to fitness, saunas and swimming pool in Intercontinental Ljubljana (which is 50m from the office)

More about Blub Blub

Blub Blub Inc. creates high-quality smart screen time for children through our flagship Speech Blubs app, which was released in 2017 and is now the #1 speech and language app and #5 top-grossing app for children in the U.S.A. The app boosts young children’s comprehension and extends their vocabulary, whilst improving their pronunciation, attention, and even their emotional regulation.

We intend to become a leading player in the early childhood education sector, with the offering of products that will help our users from saying the first words to having all the skills necessary to have a headstart in school.

We are a culture driven team that includes designers, marketers, growth experts, UX experts, data analysts, engineers, marketers, content creators, early education experts and psychologists. We are user- and customer-centric, data-informed, impact-driven, and revenue-oriented. 

We have modern open space offices in Ljubljana (Slovenia), but work globally with experts, therapists, modelling agencies, and video production partners from Florida, London, Madrid, Johannesburg, Zagreb, …

If you want to test our app, let us know and we will be happy to send you a promo code!

PRODUCT

UI designer

Ljubljana, Slovenia

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We’re looking for a UI designer who would join us to work on our Speech Blubs app (speechblubs.com), which has already helped over 4,000,000 kids from all around the world! Due to this fast pace and constant growth, we’re always on the lookout for new talents who would help us make an impact.

We help kids aged 1-5 develop their speech and primary language through approved therapeutic techniques such as video-modelling and gamification while using different technological approaches such as AI, facial recognition, voice activation and even personalization for each user.

Technical skills we’re looking for:

  • Expertise in design software (Figma, Sketch, Principle, Adobe CC)
  • Great understanding of UI/UX
  • Fluent in English (written and spoken)
  • Independently developing ideas

Personal traits we’re looking for:

  • Out of the box thinking and creative mindset
  • The problem-solving mindset with attention to details
  • Good communication skills and agility
  • Understands that great design can be measured
  • Designing for real impact, not just aesthetics

What brings extra points:

  • Do you have experience with animation, ads for apps etc.?
  • Do you respect user and customer feedback?
  • Do you enjoy design workshops?
  • Are you deadline-driven?
  • Do you see yourself inside a young, open-minded and fast-growing team?

What do we offer:

  • Full-time contract with 6-month probationary period
  • Young, agile and ambitious team with the vision of making an impact
  • Structured pay raise plan based on personal bi-annual and annual goals 
  • Annual bonus and stock option
  • Personal mentorship, opportunities to visit conferences, take online technical courses and participate in internal development workshops
  • Flexible working hours and different home office / office combinations
  • All quality work equipment and software provided (we use Apple devices)
  • Modern open office space in the centre of Ljubljana with a nice terrace overseeing the city life
  • 24/7/365 access to fitness, saunas and swimming pool in Intercontinental Ljubljana (which is 50m from the office)

More about Blub Blub

Blub Blub Inc. creates high-quality smart screen time for children through our flagship Speech Blubs app, which was released in 2017 and is now the #1 speech and language app and #5 top-grossing app for children in the U.S.A. The app boosts young children’s comprehension and extends their vocabulary, whilst improving their pronunciation, attention, and even their emotional regulation.

We intend to become a leading player in the early childhood education sector, with the offering of products that will help our users from saying the first words to having all the skills necessary to have a headstart in school.

We are a culture driven team that includes designers, marketers, growth experts, UX experts, data analysts, engineers, marketers, content creators, early education experts and psychologists. We are user- and customer-centric, data-informed, impact-driven, and revenue-oriented. 

We have modern open space offices in Ljubljana (Slovenia), but work globally with experts, therapists, modelling agencies, and video production partners from Florida, London, Madrid, Johannesburg, Zagreb, …

If you want to test our app, let us know and we will be happy to send you a promo code!

ENGINEERING

Android Engineer

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We’re looking for an Android Engineer, who would join us and work on our Speech Blubs app (speechblubs.com), which has already helped over 4,000,000 kids from all around the world!

We help kids aged 1-5 develop their speech and primary language through approved therapeutic techniques, while using different technological approaches such as video-modelling, AI, facial recognition, voice activation and even personalization for each user.

Responsibilities:

  • Develop features in an Agile team.
  • Constantly optimizing and improving the current codebase.
  • Cooperate closely with designers, product owners and the iOS team.
  • Learn and adopt new technologies as soon as they are released.

Our stack:

  • We support Android 5.0 and up.
  • We use Kotlin with some Java.
  • We use REST APIs and Realm database.
  • We use Firebase for A/B tests and crash reporting.

What do we expect:

  • Excellent programming skills in Java and Kotlin.
  • Experience with various data architectures and paradigms.
  • Experience fixing crashes and from stack tracing tools.
  • At least 1-2 years of experience in software engineering.
  • Knowledge of Play Store and app submission processes.
  • Experience with version control systems (Git).
  • Fluency in English language (written and spoken).

What brings extra points:

  • Experience developing apps for children.
  • Experience developing apps with a subscription business model.
  • Experience with A/B testing services.
  • Experience with analytics services.
  • Experience with UI and unit testing.
  • Contribution to open source projects.
  • Knowledge of agile development workflows.

What do we offer:

  • Full-time contract with 6-month probationary period
  • Young, agile and ambitious team with the vision of making an impact
  • Structured pay raise plan based on personal bi-annual and annual goals
  • Personal mentorship, opportunities to visit conferences, take online technical courses and participate in internal development workshops
  • Flexible working hours and different home office / office combinations
  • All work equipment & open modern office space in the centre of Ljubljana

More about Blub Blub

Blub Blub Inc. creates high-quality smart screen time for children through our flagship Speech Blubs app, which was released in 2017 and is now the #1 speech and language app and #5 top-grossing app for children in the U.S.A. The app boosts young children’s comprehension and extends their vocabulary, whilst improving their pronunciation, attention, and even their emotional regulation.

We intend to become a leading player in early childhood education sector, with the offering of products that will help our users from saying the first words to having all the skills necessary to have a headstart in school.

Our team includes designers, marketers, growth experts, UX experts, data analysts, engineers, marketers, content creators, early education experts and psychologists. We are user- and customer-centric, data-informed, impact driven, and revenue-oriented. 

We have offices in Ljubljana (Slovenia), but work globally with experts, therapists, modeling agencies, and video production partners from Florida, London, Madrid, Johannesburg, Zagreb, …

If you want to test our app, let us know and we will be happy to send you a promo code!

ENGINEERING

Frontend Javascript Engineer

Ljubljana, Remote - SLO

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We’re looking for a frontend JavaScript engineer, who would join us and work on our Speech Blubs app (speechblubs.com), which has already helped over 4,000,000 kids from all around the world!

We help kids aged 1-5 develop their speech and primary language through approved therapeutic techniques, while using different technological approaches such as video-modelling, AI, facial recognition, voice activation and even personalization for each user.

Responsibilities:

  • Develop features in an Agile team.
  • Constantly optimizing and improving the current codebase.
  • Cooperate closely with designers, product owners and other engineering teams.
  • Learn and adopt new technologies as soon as they are released.

Our stack:

  • We use JavaScript ES6 wherever possible.
  • We use Vue/Nuxt.js to build our web apps.
  • We use REST API to connect our NodeJS backend.
  • We use WordPress as CMS for our blog and landing pages.
  • For infrastructure we use Heroku, DigitalOcean and AWS.

What do we expect:

  • Excellent programming skills in JavaScript.
  • Experience with various data architectures and paradigms.
  • At least 1-2 years of experience in software engineering.
  • Knowledge of Git, Heroku and similar development tools.
  • Fluency in English language (written and spoken).

What brings extra points:

  • Experience with Vue/Nuxt.js.
  • Experience with WordPress themes and plugins.
  • Experience developing frontend web apps hosted on Heroku and/or AWS.
  • Experience developing responsive web apps.
  • Experience with analytics services.
  • Experience with unit testing.
  • Contribution to open source projects.
  • Knowledge of agile development workflows.

What do we offer:

  • Full-time contract with 6-month probationary period
  • Young, agile and ambitious team with the vision of making an impact
  • Structured pay raise plan based on personal bi-annual and annual goals
  • Personal mentorship, opportunities to visit conferences, take online technical courses and participate in internal development workshops
  • Flexible working hours and different home office / office combinations
  • All work equipment & open modern office space in the centre of Ljubljana

About Blub Blub

Blub Blub Inc. creates high-quality smart screen time for children through our flagship Speech Blubs app, which was released in 2017 and is now the #1 speech and language app and #5 top-grossing app for children in the U.S.A. The app boosts young children’s comprehension and extends their vocabulary, whilst improving their pronunciation, attention, and even their emotional regulation.

We intend to become a leading player in early childhood education sector, with the offering of products that will help our users from saying the first words to having all the skills necessary to have a headstart in school.

Our team includes designers, marketers, growth experts, UX experts, data analysts, engineers, marketers, content creators, early education experts and psychologists. We are user- and customer-centric, data-informed, impact driven, and revenue-oriented. 

We have offices in Ljubljana (Slovenia), but work globally with experts, therapists, modeling agencies, and video production partners from Florida, London, Madrid, Johannesburg, Zagreb, …

If you want to test our app, let us know and we will be happy to send you a promo code! 

ENGINEERING

Lead JavaScript Engineer

Ljubljana, Remote - SLO

Read more

We’re looking for a Lead JavaScript engineer, who would join us and work on our Speech Blubs app (speechblubs.com), which has already helped over 4,000,000 kids from all around the world!

We help kids aged 1-5 develop their speech and primary language through approved therapeutic techniques, supported by machine learning algorithms, based on large scale data sets. That gives us the ability to personalize the product for each user.

Responsibilities:

  • Lead a team of engineers and help mentoring their careers.
  • Develop backend features on NodeJS in a team of 3+ engineers.
  • Constantly optimizing and improving the current codebase.
  • Cooperate closely with designers, product owners and Android and iOS teams.
  • Learn and adopt new technologies as soon as they are released.

Our stack:

  • We use NodeJS and MongoDB for our backend services.
  • We use JavaScript ES6 wherever possible.
  • We provide REST API, services and queues for our mobile apps.
  • We use Nuxt/Vue to build our frontend web apps.
  • For infrastructure we use Heroku, DigitalOcean and AWS.

What do we expect:

  • Excellent programming skills in JavaScript.
  • Experience with various data architectures and paradigms.
  • At least 3-4 years of experience in software engineering.
  • Expert knowledge of Git, Heroku and similar development tools.
  • Fluency in English language (written and spoken).

What brings extra points:

  • Experience developing services hosted on Heroku and/or AWS.
  • Experience developing scalable backend systems.
  • Experience developing responsive web apps.
  • Experience with analytics services.
  • Experience with unit testing.
  • Contribution to open source projects.
  • Knowledge of agile development workflows.

What do we offer:

  • Full-time contract with 6-month probationary period
  • Young, agile and ambitious team with the vision of making an impact
  • Structured pay raise plan based on personal bi-annual and annual goals
  • Personal mentorship, opportunities to visit conferences, take online technical courses and participate in internal development workshops
  • Flexible working hours and different home office / office combinations
  • All work equipment & open modern office space in the centre of Ljubljana

If you meet the above requirements and would like to join us, please send your application in English or Slovenian to jobs@blubblub.org.

More about Blub Blub

Blub Blub Inc. creates high-quality smart screen time for children through our flagship Speech Blubs app, which was released in 2017 and is now the #1 speech and language app and #5 top-grossing app for children in the U.S.A. The app boosts young children’s comprehension and extends their vocabulary, whilst improving their pronunciation, attention, and even their emotional regulation.

We intend to become a leading player in early childhood education sector, with the offering of products that will help our users from saying the first words to having all the skills necessary to have a headstart in school.

Our team includes designers, marketers, growth experts, UX experts, data analysts, engineers, marketers, content creators, early education experts and psychologists. We are user- and customer-centric, data-informed, impact driven, and revenue-oriented. 

We have offices in Ljubljana (Slovenia), but work globally with experts, therapists, modeling agencies, and video production partners from Florida, London, Madrid, Johannesburg, Zagreb, …

If you want to test our app, let us know and we will be happy to send you a promo code! 

ENGINEERING

iOS Engineer

Ljubljana, Remote - SLO

Read more

We’re looking for an iOS Engineer, who would join us and work on our Speech Blubs app (speechblubs.com), which has already helped over 4,000,000 kids from all around the world!

We help kids aged 1-5 develop their speech and primary language through approved therapeutic techniques, while using different technological approaches such as video-modelling, AI, facial recognition, voice activation and even personalization for each user.

Responsibilities:

  • Develop features in an Agile team.
  • Constantly optimizing and improving the current codebase.
  • Cooperate closely with designers, product owners and the Android team.
  • Learn and adopt new technologies as soon as they are released.

Our stack:

  • We support the latest two iOS releases (13 and up).
  • We always use the latest Swift (5.4 currently).
  • We use REST APIs and Realm database.
  • We use Fastlane to deploy and Swift Package Manager.

What do we expect:

  • Excellent programming skills in Swift.
  • At least 1-2 years of experience in software engineering.
  • Experience fixing crashes and from stack tracing tools.
  • Knowledge of App Store and app submission processes.
  • Experience with version control systems (Git).
  • Fluency in English language (written and spoken).

What brings extra points:

  • Experience developing apps for children.
  • Experience with SwiftUI and/or Combine.
  • Experience with CreateML and CoreML and machine learning techniques.
  • Experience with augmented reality (ARKit), SceneKit, SpriteKit frameworks.
  • Experience developing apps with StoreKit using a subscription business model.
  • Contribution to open source projects.

What do we offer:

  • Full-time contract with 6-month probationary period
  • Young, agile and ambitious team with the vision of making an impact
  • Structured pay raise plan based on personal bi-annual and annual goals
  • Personal mentorship, opportunities to visit conferences, take online technical courses and participate in internal development workshops
  • Flexible working hours and different home office / office combinations
  • All work equipment & open modern office space in the centre of Ljubljana

If you meet the above requirements and would like to join us, please send your application in English or Slovenian to jobs@blubblub.org.

More about Blub Blub

Blub Blub Inc. creates high-quality smart screen time for children through our flagship Speech Blubs app, which was released in 2017 and is now the #1 speech and language app and #5 top-grossing app for children in the U.S.A. The app boosts young children’s comprehension and extends their vocabulary, whilst improving their pronunciation, attention, and even their emotional regulation.

We intend to become a leading player in early childhood education sector, with the offering of products that will help our users from saying the first words to having all the skills necessary to have a headstart in school.

Our team includes designers, marketers, growth experts, UX experts, data analysts, engineers, marketers, content creators, early education experts and psychologists. We are user- and customer-centric, data-informed, impact driven, and revenue-oriented. 

We have offices in Ljubljana (Slovenia), but work globally with experts, therapists, modeling agencies, and video production partners from Florida, London, Madrid, Johannesburg, Zagreb, …

If you want to test our app, let us know and we will be happy to send you a promo code! 

Remote work culture at SpeecBlubs
Office culture at SpeecBlubs