Senior Mobile Developer (React Native) - Exchange App
Budapest, Hungary
Full time
Hybrid
Compensation is not specified
Role
Mobile Developer
Description
About the role:
As a valued member of our team, your main focus will be on creating top-notch mobile applications with React Native. Our applications are developed with a modern tech stack that prioritizes cross-platform capability while retaining native performance and user experience. Candidates with experience in native iOS/Android development are highly preferred due to their ability to enhance platform integration and optimization.
Impact you will have:
- Work closely with tech and product team members in a collaborative feature team to design innovative functionalities for a global user base.
- Evaluate product requirements and designs from product owners, sharing valuable feedback based on your expertise in mobile app development.
- Produce high-quality, modular, and scalable code that is both maintainable and testable within set timelines.
- Engage in regular meetings not only with your feature team but also with the entire mobile development team to ensure your contributions are acknowledged and valued.
Required qualifications:
- Minimum of 2 years of dedicated experience in React Native development (no maximum limit)
- Proficiency in JavaScript/TypeScript and the React Native framework
- Native mobile development experience in iOS (Swift) and/or Android (Kotlin) is highly beneficial
- Knowledge of native modules and the ability to bridge React Native with native code
- Prior experience in creating unit tests and end-to-end tests
- Strong understanding of Git and familiarity with various branching models like Git-flow, Trunk Based Development, etc.
- Exceptional problem-solving skills with a keen interest in continuous learning
- Excellent communication and collaboration skills
- Emphasis on crafting high-quality code and delivering outstanding user experiences
If you are a self-motivated React Native developer with a passion for collaboration and expertise in native mobile development, we are eager to hear from you.
Join us and play a key role in developing cutting-edge mobile applications that leave a lasting impact.
Please provide examples of your work or share your portfolio along with your application.
Skills Required
Сrypto.com
Website
Сrypto.comCompany size
Not specified
Location
United States
Description
Not specified
Astra Byte Sync
Blockchain Specialist for Game-Fi Project
Full time
Remote
We are seeking a skilled Blockchain Specialist to become a part of our groundbreaking Game-Fi initiative! If you have a deep passion for gaming, decentralized finance, and the latest technological advancements, this could be your ideal role.
Primary Duties:
- Create and implement smart contracts for in-game transactions and assets.
- Develop secure blockchain solutions that guarantee player ownership and protect asset integrity.
- Work closely with our game development team to smoothly incorporate blockchain technology into our gaming platform.
- Keep abreast of the latest developments and best practices within the blockchain and gaming sectors.
Qualifications:
- Demonstrated experience as a Blockchain Developer or in a similar position.
- Expertise in Solidity, with experience in Ethereum or other blockchain technologies.
- Solid understanding of Game-Fi principles and how blockchain can elevate the gaming experience.
- Familiarity with DeFi protocols and tokenomics.
- Ability to work effectively within a team and convey technical information to non-technical audiences.
Desirable Skills:
- Experience in NFT development and related platforms.
- Understanding of cryptographic concepts and security best practices.
If you are eager to embrace a new challenge and contribute to the evolution of gaming through blockchain technology, we would love to hear from you!
Primary Duties:
- Create and implement smart contracts for in-game transactions and assets.
- Develop secure blockchain solutions that guarantee player ownership and protect asset integrity.
- Work closely with our game development team to smoothly incorporate blockchain technology into our gaming platform.
- Keep abreast of the latest developments and best practices within the blockchain and gaming sectors.
Qualifications:
- Demonstrated experience as a Blockchain Developer or in a similar position.
- Expertise in Solidity, with experience in Ethereum or other blockchain technologies.
- Solid understanding of Game-Fi principles and how blockchain can elevate the gaming experience.
- Familiarity with DeFi protocols and tokenomics.
- Ability to work effectively within a team and convey technical information to non-technical audiences.
Desirable Skills:
- Experience in NFT development and related platforms.
- Understanding of cryptographic concepts and security best practices.
If you are eager to embrace a new challenge and contribute to the evolution of gaming through blockchain technology, we would love to hear from you!
Payment in Crypto
Jack Milton
Full Stack Developer (Web3/Crypto)
London, UK
London, UK
Full time
Remote
We're hiring a full stack developer to help build a suite of Web3 products - lightweight tools designed to scale fast. You’ll work directly with the founding team to ship high-impact tools used by founders, investors, and crypto communities.
Over the next 4–6 months, we’re rolling out four standalone products - including a Web3 project directory, a community engagement platform, and other tools designed to drive discovery and visibility across the space. You’ll have end-to-end ownership of what you ship.
Tech Stack & Skills:
React / Next.js or similar (full stack comfort)
Node.js, Firebase, or lightweight backend setups
CMS integration (Sanity, Notion, Airtable, etc.)
REST APIs, data scraping, automation
Strong grasp of Web3 (tokens, on-chain data, dApps)
Bonus: Vercel, CoinMarketCap API, any Web3 SDKs
Who this is for:
You’ve built and shipped products solo or with small teams
You’re crypto-native and enjoy exploring new tools/protocols
You’re fast, self-driven, and prefer ownership to micromanagement
You write clean code but iterate quickly
What Success Looks Like (First 60 Days)
Launch 1–2 working products with CMS and frontend live
Build automation for token sourcing + database updates
Deliver clean UIs with fast-loading pages and working filters
Support backend tools for campaign dashboards or scraping
Details
Full-time (contractor, with option to go permanent)
Remote + async (Europe/Asia timezone preferred)
Competitive base + performance bonuses
No corporate fluff - just fast builds, useful products, and full ownership
To apply:
Send GitHub, portfolio, or 1–2 examples of tools you’ve built solo or in a small team - especially anything Web3-related.
Over the next 4–6 months, we’re rolling out four standalone products - including a Web3 project directory, a community engagement platform, and other tools designed to drive discovery and visibility across the space. You’ll have end-to-end ownership of what you ship.
Tech Stack & Skills:
React / Next.js or similar (full stack comfort)
Node.js, Firebase, or lightweight backend setups
CMS integration (Sanity, Notion, Airtable, etc.)
REST APIs, data scraping, automation
Strong grasp of Web3 (tokens, on-chain data, dApps)
Bonus: Vercel, CoinMarketCap API, any Web3 SDKs
Who this is for:
You’ve built and shipped products solo or with small teams
You’re crypto-native and enjoy exploring new tools/protocols
You’re fast, self-driven, and prefer ownership to micromanagement
You write clean code but iterate quickly
What Success Looks Like (First 60 Days)
Launch 1–2 working products with CMS and frontend live
Build automation for token sourcing + database updates
Deliver clean UIs with fast-loading pages and working filters
Support backend tools for campaign dashboards or scraping
Details
Full-time (contractor, with option to go permanent)
Remote + async (Europe/Asia timezone preferred)
Competitive base + performance bonuses
No corporate fluff - just fast builds, useful products, and full ownership
To apply:
Send GitHub, portfolio, or 1–2 examples of tools you’ve built solo or in a small team - especially anything Web3-related.
Payment in Crypto
berttha walker
UI/UX Designer
Full time
Remote
UI/UX Designer for SaaS Dashboard (Figma)
Job Summary:
We're building ClearTrack, a lightweight SaaS tool for tracking tasks and performance in remote teams. We're looking for a UI/UX designer to design 6–8 clean, modern dashboard screens (desktop + mobile).
Scope of Work:
1. Design dashboard UI (Task List, Time Tracker, Reports, Settings)
2. Create responsive mockups in Figma
3. Deliver clickable prototype + style guide
4. Collaborate with our developer for smooth handoff
Budget:
Fixed: $800–$1200 (negotiable based on experience)
Requirements:
1. SaaS/dashboard UI design experience
2. Proficiency in Figma
3. Strong communication & fast turnaround
To Apply:
If you're interested, please:
1. Send a short proposal letter explaining why you're a good fit
2. Share your portfolio (SaaS/dashboard preferred)
3. Include your email address
4. Mention your availability and estimated delivery time
Bonus if you have:
Experience designing admin panels or productivity tools
Job Summary:
We're building ClearTrack, a lightweight SaaS tool for tracking tasks and performance in remote teams. We're looking for a UI/UX designer to design 6–8 clean, modern dashboard screens (desktop + mobile).
Scope of Work:
1. Design dashboard UI (Task List, Time Tracker, Reports, Settings)
2. Create responsive mockups in Figma
3. Deliver clickable prototype + style guide
4. Collaborate with our developer for smooth handoff
Budget:
Fixed: $800–$1200 (negotiable based on experience)
Requirements:
1. SaaS/dashboard UI design experience
2. Proficiency in Figma
3. Strong communication & fast turnaround
To Apply:
If you're interested, please:
1. Send a short proposal letter explaining why you're a good fit
2. Share your portfolio (SaaS/dashboard preferred)
3. Include your email address
4. Mention your availability and estimated delivery time
Bonus if you have:
Experience designing admin panels or productivity tools
Payment in Crypto
Astra Byte Sync
Web3 Gaming Platform Development Team
Full time
Remote
Company Overview
A fastest growing Blockchain company is looking to create a decentralized gaming platform that empowers players and developers alike. We are currently seeking to build a talented team to bring their vision to life.
Position Overview
We are looking for skilled professionals to join our development team for a Web3 gaming platform. The ideal candidates will be passionate about blockchain technology and gaming, and possess the expertise to contribute to various aspects of our project. We are hiring for the following roles:
1. Frontend Developers
Responsibilities: Design and implement user interfaces for the gaming platform using modern frameworks (e.g., React, Vue.js). Collaborate with UX/UI designers to create engaging and intuitive user experiences.
Qualifications: Proficiency in HTML, CSS, JavaScript, and relevant frameworks. Experience with Web3 technologies is a plus.
2. Backend Developers
Responsibilities: Develop and maintain server-side logic, database management, and API integration. Ensure the platform's performance, security, and scalability.
Qualifications: Strong knowledge of Node.js, databases (e.g., MongoDB, PostgreSQL), and experience with cloud services. Familiarity with blockchain technology is advantageous.
3. Blockchain Developers
Responsibilities: Design and implement smart contracts, manage blockchain integrations, and ensure the security of decentralized applications. Collaborate with the team to optimize blockchain performance.
Qualifications: Expertise in Solidity, JavaScript, Rust, or Python. Experience with Ethereum and other blockchain platforms is essential.
4. Technical Leader
Responsibilities: Oversee the technical direction of the project, mentor team members, and ensure best practices in development. Collaborate with stakeholders to align technical goals with business objectives.
Qualifications: Proven experience in leading development teams, strong problem-solving skills, and a deep understanding of blockchain technologies.
5. Project Manager
Responsibilities: Manage project timelines, resources, and deliverables. Facilitate communication between team members and stakeholders, ensuring that the project stays on track and within budget.
Qualifications: Strong organizational and leadership skills, experience in project management methodologies (Agile, Scrum), and familiarity with the gaming and blockchain industries.
What We Offer
Competitive salaries and benefits
A dynamic and collaborative work environment
Opportunities for professional growth and development
The chance to be part of an innovative project that shapes the future of gaming
How to Apply
If you are passionate about gaming and blockchain technology and are excited to contribute to a groundbreaking project, we would love to hear from you! Please submit your resume and a cover letter detailing your relevant experience and why you would be a great fit for our team.
Join us in creating the next generation of gaming experiences!
A fastest growing Blockchain company is looking to create a decentralized gaming platform that empowers players and developers alike. We are currently seeking to build a talented team to bring their vision to life.
Position Overview
We are looking for skilled professionals to join our development team for a Web3 gaming platform. The ideal candidates will be passionate about blockchain technology and gaming, and possess the expertise to contribute to various aspects of our project. We are hiring for the following roles:
1. Frontend Developers
Responsibilities: Design and implement user interfaces for the gaming platform using modern frameworks (e.g., React, Vue.js). Collaborate with UX/UI designers to create engaging and intuitive user experiences.
Qualifications: Proficiency in HTML, CSS, JavaScript, and relevant frameworks. Experience with Web3 technologies is a plus.
2. Backend Developers
Responsibilities: Develop and maintain server-side logic, database management, and API integration. Ensure the platform's performance, security, and scalability.
Qualifications: Strong knowledge of Node.js, databases (e.g., MongoDB, PostgreSQL), and experience with cloud services. Familiarity with blockchain technology is advantageous.
3. Blockchain Developers
Responsibilities: Design and implement smart contracts, manage blockchain integrations, and ensure the security of decentralized applications. Collaborate with the team to optimize blockchain performance.
Qualifications: Expertise in Solidity, JavaScript, Rust, or Python. Experience with Ethereum and other blockchain platforms is essential.
4. Technical Leader
Responsibilities: Oversee the technical direction of the project, mentor team members, and ensure best practices in development. Collaborate with stakeholders to align technical goals with business objectives.
Qualifications: Proven experience in leading development teams, strong problem-solving skills, and a deep understanding of blockchain technologies.
5. Project Manager
Responsibilities: Manage project timelines, resources, and deliverables. Facilitate communication between team members and stakeholders, ensuring that the project stays on track and within budget.
Qualifications: Strong organizational and leadership skills, experience in project management methodologies (Agile, Scrum), and familiarity with the gaming and blockchain industries.
What We Offer
Competitive salaries and benefits
A dynamic and collaborative work environment
Opportunities for professional growth and development
The chance to be part of an innovative project that shapes the future of gaming
How to Apply
If you are passionate about gaming and blockchain technology and are excited to contribute to a groundbreaking project, we would love to hear from you! Please submit your resume and a cover letter detailing your relevant experience and why you would be a great fit for our team.
Join us in creating the next generation of gaming experiences!
Jack Morty
Project Manager / Coordinator
Part time
Remote
We’re looking for a Project Coordinator to join LeadWave Group, a growing startup in the SEO & affiliate space.
Our team is already working on our first product, and we need someone to help organize workflows, tasks, and team communication.
Responsibilities:
🔹 Manage task boards (Trello/ClickUp) and monitor progress
🔹 Assign tasks to SEO, designers, researchers, copywriters
🔹 Help the founder plan weekly/monthly sprints
🔹 Track deadlines and team priorities
🔹 Coordinate communication via Discord/Telegram
🔹 Maintain documentation and workflows in Notion
Format:
🔸 Remote
🔸 Part-time (5–10 hrs/week)
🔸 Initially unpaid (pre-revenue), with transition to paid/fixed/percentage model
🔸 Flexible hours, informal startup environment
🔸 Opportunity to grow into a full Product Manager role
Requirements:
Experience in coordinating small teams or organizing workflows
Familiar with Trello, Notion, ClickUp, or similar tools
Strong communication and self-management skills
Bonus: basic understanding of SEO/digital projects
English: able to read and write messages
Our team is already working on our first product, and we need someone to help organize workflows, tasks, and team communication.
Responsibilities:
🔹 Manage task boards (Trello/ClickUp) and monitor progress
🔹 Assign tasks to SEO, designers, researchers, copywriters
🔹 Help the founder plan weekly/monthly sprints
🔹 Track deadlines and team priorities
🔹 Coordinate communication via Discord/Telegram
🔹 Maintain documentation and workflows in Notion
Format:
🔸 Remote
🔸 Part-time (5–10 hrs/week)
🔸 Initially unpaid (pre-revenue), with transition to paid/fixed/percentage model
🔸 Flexible hours, informal startup environment
🔸 Opportunity to grow into a full Product Manager role
Requirements:
Experience in coordinating small teams or organizing workflows
Familiar with Trello, Notion, ClickUp, or similar tools
Strong communication and self-management skills
Bonus: basic understanding of SEO/digital projects
English: able to read and write messages