Jobs
7351- Design and improve mobile UX flows (onboarding, paywalls, feature screens)
- Create high-converting App Store & Google Play screenshots
- Work on visual positioning aligned with ad creatives
- Design custom onboarding flows for different traffic segments
- Create UI systems and components for scalable A/B testing
- Work with AI tools (Midjourney, DALL·E, Figma AI, etc.) to speed up design production
RL Environments Engineer
to $20000
Preference Model
Responds Quickly
Full Remote
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Worldwide
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Product
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5 years of experience
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English - C1
We’re hiring RL Environments Engineers to design and build MLE/SWE environments that deliver high-quality, diverse tasks with minimal supervision. You will target a specific language model, meet a defined difficulty distribution, and deliver about one task every 10 hours. This is a remote contractor role with ≥4 hours overlap to PST and advanced English (C1/C2) required.
Responsibilities
Design and build MLE/SWE environments and diverse tasks.
Target a specified language model and satisfy the required...
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302 views
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16 applications
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21d
UI/UX Designer (Mobile Apps)
Pixeltech
Part-time
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Full Remote
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Worldwide
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Product
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3 years of experience
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English - None
351 views
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144 applications
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21d
Hardcore QA Engineer
DualEntry
Verified Employer
Full Remote
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Countries of Europe or Ukraine
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5 years of experience
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English - C1
We’re hiring the most ambitious and hardcore QA engineers across Europe and LATAM.
You’ll drive e2e QA; you’ll focus on automation with manual testing when faster to unblock development.
Experience level doesn’t matter; what matters is how ambitious you are.
Location: Remote with overlap to our New York City HQ (EST)
WHAT WE LOOK FOR
This is an extremely intense, hands-on role with full ownership. We expect you to push for excellence and raise the bar.
Outlier work ethic (this role is 9am - 9pm - 6...
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252 views
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41 applications
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21d
Lead Growth Manager (Web Funnels)
A-Players
Responds Quickly
Full Remote
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EU
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Product
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4 years of experience
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English - B2
We are looking for an experienced Lead Growth Manager (Web Funnels) to join our Growth Team and own the revenue performance of a funnel cluster within the Business Unit.
In this role, you will define and drive the Growth strategy within your ownership area, ensuring measurable revenue impact, sustainable improvement of unit economics, and experimentation maturity within your funnel cluster.
You will operate in a complex multi-product environment with multiple active funnels, different monetization logics,...
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36 views
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7 applications
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21d
Looking for a Senior Flutter Developer (Mobile)
New Wave Devs
Verified Employer
Full Remote
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Countries of Europe or Ukraine
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5 years of experience
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English - B2
Senior Flutter Developer (Mobile)
We are looking for a very senior Flutter developer to join a licensed European fintech company on a long-term contract.
Requirements:
- 5+ years of hands-on Flutter development
- Strong experience building production mobile apps (iOS and Android)
- Dart, Bloc/Provider state management
- Clean Architecture, MVVM, SOLID
- REST API integrations
- Firebase (analytics, crashlytics, push notifications)
- CI/CD for mobile (Fastlane, GitHub Actions, or similar)
- Experience...
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156 views
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43 applications
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21d
Affiliate Support Specialist
to $1500
OnlyTraffic
Full Remote
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Worldwide
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Product
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2 years of experience
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English - B2
Due to our expansion, we are looking for a specialist to ensure high-quality onboarding and support for our partners.
About Us:
OnlyTraffic is an international ecosystem for content creators that has been operating on the market for nearly 3 years. Our main focus is traffic acquisition for OnlyFans creators and agencies (RevShare/CPL/CPC), as well as analytics and the development of technological tools. We have a solid reputation in affiliate marketing and collaborate with leading global agencies and...
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468 views
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88 applications
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21d
Senior Full Stack Engineer
UN1Q Fitness
Verified Employer
Part-time
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Full Remote
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Ukraine
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5 years of experience
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English - B2
About UN1Q
UN1Q is a pre-launch startup developing an innovative fitness and nutrition coaching app. Our goal is to use cutting-edge, science-backed technology to provide real-time feedback and individualised fitness experiences for users.
As we prepare to launch and maintain the application, we are looking for an experienced engineer to play a key role in this process and contribute to a growing, fast-paced company environment.
Role Overview
We are looking for a Full Stack Engineer to work across...
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169 views
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48 applications
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21d
Email Marketing
obeodigital.com
Part-time
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Full Remote
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Worldwide
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English - B1
We are a performance marketing agency specializing in high-volume user acquisition across Meta Ads, Telegram Ads, and Google Ads, with deep experience operating in the iGaming industry
Our team currently manages over €50,000/month in ad spend, running funnels on telegram. We have a lot of data generated every month that we could use.
We want to launch a full email marketing system from scratch both for internal projects and for long-term funnel optimization. For this, we are looking for a highly...
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226 views
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45 applications
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21d
Product Manager
Kozak Group
Verified Employer
Full Remote
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Countries of Europe or Ukraine
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2 years of experience
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English - B2
We are looking for a Product Manager with deep expertise in a specific industry who can help design and shape new digital products.
Our focus is not just on execution, but on product thinking - understanding how an industry works, identifying its real problems, and creating product solutions around them.
We believe that while execution will increasingly be automated, product expertise and industry insight cannot be automated.
That’s why we are looking for a Product Manager who deeply understands one domain...
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110 views
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31 applications
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21d
Senior Software Engineer (Python, С++, UAV)
Razom
Verified Employer
Full Remote
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Worldwide
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5 years of experience
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English - B2
We are looking for a Senior-level freelance engineer with proven, hands-on experience in backend and systems development (Python and C++) for drones, UAVs, or robotic platforms. This role involves building critical software that directly powers autonomous aerial operations, from onboard systems to mission control infrastructure.
What you’ll do
Design and develop backend services for mission control and monitoring of autonomous drones
Build reliable data pipelines to process and analyze telemetry in...
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139 views
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5 applications
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21d
Senior Performance Designer (Landing Pages + Ads)
to $2500
Olifant Digital
Full Remote
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Worldwide
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5 years of experience
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English - C1
About Olifant Digital
Olifant Digital is a boutique ecommerce growth agency specialising in Amazon management and DTC marketing.
We work with established ecommerce brands to scale revenue profitably through paid media, high-converting landing pages, and performance creative.
We don’t hire juniors. Every person on our team has 5+ years of hands-on experience, and we hold ourselves to the same standard we set for clients. We also operate our own ecommerce brand, so we think like operators — not just...
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102 views
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23 applications
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21d
Vue.js / Node.js Full Stack Senior Developer
LeanSquad
Top Employer
Full Remote
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Countries of Europe or Ukraine
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8 years of experience
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English - C2
About the Role
Our client, a national wholesale mortgage lender, is hiring a Vue.js / Node.js Full Stack Senior Developer to support internal mortgage platforms.
You will join a small development team within a large organization. The role requires ownership and initiative.
This is a 6-month contract with the possibility to convert to long term based on performance and business needs.
Responsibilities
Build and maintain applications using Vue.js and Node.js
Develop REST APIs and backend...
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109 views
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10 applications
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22d
DevOps Engineer
DataArt
Responds Quickly
Ukraine
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4 years of experience
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English - B2
Project overview
The project extensively uses AWS cloud, Lambdas, containers, infrastructure as a code, SQL, and NoSQL storage, and the latest versions of languages and tools. Some teams are more product-oriented and build outstanding student-facing applications, and some teams own shared components and services used by other products.
Position overview
We are looking for a DevOps to help design, build, and operate scalable cloud-native systems. This role focuses primarily on AWS infrastructure,...
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84 views
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12 applications
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22d
Senior Golang Developer
DataArt
Responds Quickly
Ukraine
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5 years of experience
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English - B2
Client
Our client is an international SaaS company developing tools that empower businesses to create highly engaging digital experiences. Their solutions are trusted by thousands of organizations worldwide to collect, analyze, and act on user data effectively.
Project overview
The project is an interactive form builder designed for marketers, researchers, HR, sales, and customer experience teams to create engaging, conversational online forms, surveys, and quizzes.
Key Features:
Visually appealing...
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105 views
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13 applications
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22d
Snowflake Expert / Architect
QAtronic
Full Remote
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Worldwide
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5 years of experience
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English - C1
Candidates based in Poland are especially welcome. Proficiency in Polish will be a strong advantage.
Scope of Work (Snowflake Data Engineer / Architect)
- Migration of data processing pipelines and datasets between two Snowflake instances.
- Reverse engineering of selected existing solutions in order to assess the required level of modification (including implementation of selected adjustments).
- Migration of several Streamlit applications (native Streamlit in Snowflake) alongside the data and...
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29 views
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7 applications
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22d