Kilona.io

We at Kilona.io are looking for a talented UX/UI Designer to join our team, creating new digital products and improving existing ones.

We build high-quality, high-speed web and mobile AI applications. We work with global startups to create digital products that are fast, precise, and beautifully engineered.

This role is a good fit for someone who enjoys working on different web and mobile projects, can create clean and intuitive interfaces, and feels comfortable collaborating with developers and other designers.

✅ Requirements

• 2+ years of experience in UX/UI design
• Strong skills in Figma
• Conversational English for communication and collaboration
• Portfolio showcasing your design work and thought process
• Solid interface and interaction design skills
• Experience in creating prototypes, both low- and high-fidelity, for testing and refining interactions
• User-focused and problem-solving approach, able to identify business and user needs using UX research methods
• Confident in presenting and explaining design decisions
• Highly attentive to detail, ensuring precision and accuracy in design work
• Proactive and self-sufficient, able to work independently and within a team

🧑‍💻 Responsibilities

• Collaborate closely with developers and designers to ensure the highest quality of the final product
• Design and refine intuitive, visually appealing high-fidelity UIs for mobile apps and SaaS products, including both new MVPs and improvements to existing products
• Generate hypotheses and implement ideas to optimize the user experience
• Confidently showcase your design decisions, explaining the “why” behind them using research, UX principles, and best practices

🌍 Working Conditions

• Fully remote — work from anywhere
• Flexible schedule — we appreciate team overlap, but you manage your own time
• Possibility to work part-time or full-time
• Hourly-based payment model
• Easy time-off policy — take days off when you need, no bureaucracy
• Opportunity to work on different web and mobile projects for global startups
• Fast-paced and supportive environment

🔍 Hiring Process

• Video intro
• Portfolio review/interview with the team
• Final interview (optional)
• Offer 🎉

Interested? Let’s talk! 📨 Drop us a message and please send:

• Portfolio
• Relevant UX/UI design experience
• Your availability: part-time or full-time
• Salary expectations

🚀 About Kilona.io

At Kilona.io, we build high-quality, high-speed web and mobile AI applications. We partner with ambitious global startups to create cutting-edge products that are fast, scalable, and beautifully engineered.

Right now, we’re looking for a Junior QA Engineer who is passionate about product quality, eager to grow in modern product development environments, and ready to work closely with developers, designers, and product teams on AI-driven applications.

This role is ideal for someone who wants to develop strong QA fundamentals, gain hands-on experience with real products, and grow together with a fast-moving international team.

💼 What You’ll Do

• Perform manual testing of web and mobile applications
• Create and maintain test cases and checklists
• Identify, document, and track bugs and inconsistencies
• Collaborate closely with developers and designers to improve product quality
• Participate in feature testing, regression testing, and release validation
• Help improve QA processes and testing workflows
• Support product stability and user experience across different devices and platforms

✅ Requirements

• 6+ months of commercial experience in Manual QA or strong practical QA training
• Understanding of software testing principles and QA methodologies
• Experience testing  mobile applications
• Ability to clearly document bugs and reproduce issues
• Basic understanding of API testing tools such as Postman
• Attention to detail and strong communication skills
• English level — Intermediate or higher (B1+)

✨ Nice to Have

• Experience with mobile application testing
• Basic knowledge of SQL
• Understanding of Agile/Scrum workflows
• Familiarity with browser dev tools
• Interest in Automation QA or modern AI-powered development tools
• Experience working with startup or product teams

🧑‍💻 Working Conditions

• Hourly-based payment model
• Fully remote — work from anywhere
• Flexible schedule with focus on ownership and results
• Easy time-off policy — no unnecessary bureaucracy
• Work on innovative AI-driven products with a highly skilled international team
• Fast decision-making and direct communication

🔍 Hiring Process

1. Video presentation
2. Technical interview / practical QA discussion
3. Final interview (optional)
4. Offer 🎉

Interested? Let’s talk! 📨

🚀 About Kilona.io

At Kilona.io, we build high-quality, high-speed web and mobile AI applications. We work with top global startups to create cutting-edge products that are fast, precise, and beautifully engineered. 

We’re looking for an experienced Performance Marketing Manager to help scale VibeMeal — an AI-powered calorie tracking app 
 

VibeMeal allows users to log meals through photos, voice, or text.

We’re actively scaling paid acquisition and looking for someone who understands subscription-based mobile apps and can take ownership of Meta Ads performance.

✅ Requirements

• 4+ years of experience in Performance Marketing / User Acquisition
• Strong hands-on experience with Meta Ads
• Experience scaling mobile subscription apps
• Deep understanding of:
  • Web-to-App funnels
  • In-App funnels
  • Onboarding optimization
  • Paywalls
  • Trial conversion optimization
  • Subscription metrics: ROAS, CAC, LTV, Payback
• Experience with:
  • AppsFlyer
  • RevenueCat
  • Meta Ads Manager
  • Firebase / Analytics tools
• Strong analytical mindset and data-driven decision-making

✨ Nice to have

• Experience in Health & Fitness apps
• Experience with calorie tracking, nutrition, or weight loss apps
• Experience managing budgets above $50k/month
• Experience working with AI-powered consumer apps

🧑‍💻 Responsibilities

• Manage and scale Meta Ads campaigns
• Improve acquisition efficiency and profitability
• Analyze funnel performance and identify bottlenecks
• Work closely with the founder, product, and design teams
• Generate and test new creative angles and growth hypotheses
• Optimize onboarding, paywalls, and subscription conversion

 🤝 What We Offer

• Long-term collaboration
• Hourly-based payment model (overtime is always paid)
• Fully remote — work from anywhere
• Flexible schedule — we appreciate team overlap but you manage your own time
• Easy time-off policy — take days off when you need, no bureaucracy
• Opportunity to make a significant impact on a fast-growing mobile product 🚀

If interested, please send:

• Your LinkedIn profile
• Relevant mobile app experience
• Apps you’ve worked on
• Your salary expectations
• Brief description of your biggest growth achievement