Senior iOS Developer -Defi Wallet
Status
Taipei, Taiwan
Full time
Hybrid
Compensation is not specified
Role
iOS Developer
Description
We are a dynamic team dedicated to creating, enhancing, and maintaining software for innovative venture projects complementary to our core operations, focusing on rapid development with a lean team. As a vital member of our team, you will play a key role in designing various components for scalable applications, spanning from frontend UI to backend infrastructure.
The Onchain team is committed to delivering a secure and user-friendly digital currency wallet that operates across multiple chains. This wallet provides users with access to various DeFi, decentralized applications (dApps), and trading features all within one intuitive platform.
Key Responsibilities:
- Collaborate closely with cross-functional teams in technology and product development to create innovative features for a large global user base.
- Analyze product requirements and designs provided by product owners, offering valuable feedback based on your iOS development expertise.
- Produce high-quality, modular, and scalable code that is both maintainable and testable within set timeframes.
- Engage in regular meetings with your feature team and the wider iOS team to ensure your perspectives and ideas are well-received.
Required Skills and Qualifications:
- Minimum of 5 years of full-time iOS development experience, with expertise in Swift and UIKit as well as solid knowledge of iOS best practices.
- Familiarity with MVVM architecture; experience with SnapKit and RxSwift/Combine is advantageous.
- Proficiency in Git and understanding of branching models like Git-flow and Trunk Based Development.
- Strong problem-solving abilities and a commitment to continuous learning.
- Knowledge of blockchain and web3 domains is desirable.
- Excellent communication and collaboration skills.
- Emphasis on delivering high-quality code and exceptional user experiences.
- Experience in writing unit tests and snapshot/UI tests is a plus.
- Candidates with additional experience will be considered for senior developer roles.
- Candidates with team management experience will have an advantage.
- Proficiency in Chinese with English as the working language.
Benefits:
- Competitive salary.
- Generous annual leave entitlement including birthday and work anniversary leave.
- Flexible work arrangements with flexi-work hours and the option for hybrid or remote setups.
- Career growth opportunities through internal mobility programs.
- Work perks: crypto.com visa card provided upon joining.
About Crypto.com:
Founded in 2016, Crypto.com is a leading global cryptocurrency platform with over 80 million customers. Our vision is to make cryptocurrency accessible to everyone through innovation, security, and compliance. We are dedicated to fostering a diverse and inclusive work environment and encourage candidates with varied backgrounds to join our team.
Personal data provided by applicants will be used strictly for recruitment purposes. Only shortlisted candidates will be contacted.
Skills Required
Сrypto.com
Website
Сrypto.comCompany size
Not specified
Location
United States
Description
Not specified
Status
Dredsoft Labs
Mobile Developer
Full time
Remote
About the Role:
We are looking for a Mobile Developer to help build and optimize the mobile experience for the platform. You will work closely with our product, backend, and design teams to create a performant, secure, and intuitive mobile app that supports real-time 3D property viewing, blockchain interactions, and AI-powered recommendations.
Responsibilities :
Develop and maintain cross-platform mobile applications (iOS and Android)
Integrate with backend APIs and smart contracts (Web3)
Optimize app performance, responsiveness, and security
Collaborate with UI/UX designers to implement immersive and intuitive experiences
Integrate 3D content using tools like Unity, Babylon.js, or Three.js (if mobile-compatible)
Enable wallet connections (e.g., WalletConnect)
Implement features such as property listings, profiles, payments, notifications, etc.
Conduct testing and debugging across multiple devices and OS versions
Participate in code reviews and Agile sprints
Requirements :
5+ years of mobile development experience
Strong proficiency with React Native (preferred) or Flutter
Experience integrating RESTful APIs and Web3 tools (e.g., Ethers.js, WalletConnect)
Familiarity with blockchain wallets and decentralized identity concepts
Basic understanding of React and front-end development
Experience with Firebase, Push Notifications, and payment SDKs
Ability to work with 3D content or ARKit/ARCore is a plus
Experience publishing and maintaining apps in App Store and Google Play
Strong problem-solving and debugging skills
Excellent communication and collaboration in a remote team environment
We are looking for a Mobile Developer to help build and optimize the mobile experience for the platform. You will work closely with our product, backend, and design teams to create a performant, secure, and intuitive mobile app that supports real-time 3D property viewing, blockchain interactions, and AI-powered recommendations.
Responsibilities :
Develop and maintain cross-platform mobile applications (iOS and Android)
Integrate with backend APIs and smart contracts (Web3)
Optimize app performance, responsiveness, and security
Collaborate with UI/UX designers to implement immersive and intuitive experiences
Integrate 3D content using tools like Unity, Babylon.js, or Three.js (if mobile-compatible)
Enable wallet connections (e.g., WalletConnect)
Implement features such as property listings, profiles, payments, notifications, etc.
Conduct testing and debugging across multiple devices and OS versions
Participate in code reviews and Agile sprints
Requirements :
5+ years of mobile development experience
Strong proficiency with React Native (preferred) or Flutter
Experience integrating RESTful APIs and Web3 tools (e.g., Ethers.js, WalletConnect)
Familiarity with blockchain wallets and decentralized identity concepts
Basic understanding of React and front-end development
Experience with Firebase, Push Notifications, and payment SDKs
Ability to work with 3D content or ARKit/ARCore is a plus
Experience publishing and maintaining apps in App Store and Google Play
Strong problem-solving and debugging skills
Excellent communication and collaboration in a remote team environment
Payment in Crypto
Dredsoft Labs
AI/ML Engineer
Full time
Remote
About the Role :
We are looking for an experienced AI/ML Engineer to join our team and drive the development of intelligent systems that enhance user personalization, property recommendations, pricing models, and more. You will work across disciplines with frontend, backend, and blockchain engineers to create and deploy real-world AI features in a decentralized ecosystem.
Responsibilities :
Build and deploy machine learning models for property recommendations, price prediction, and user engagement optimization.
Integrate LightFM, LangChain, and OpenAI/LLM frameworks.
Design AI-powered agents, chatbots, and virtual assistants.
Collaborate on feature engineering, data pipelines, and AI service APIs.
Work with frontend developers to display predictive results and recommendations in the UI.
Deploy models using AWS SageMaker or similar infrastructure.
Monitor model performance and continuously improve accuracy and efficiency.
Stay up to date with advancements in GenAI, real estate AI, and MLOps best practices.
Requirements :
5+ years of hands-on AI/ML development experience.
Strong Python skills with frameworks like NumPy, Pandas, Scikit-learn, TensorFlow, or PyTorch.
Experience with recommender systems (e.g., LightFM), NLP, or conversational AI (LangChain).
Familiar with deploying models in cloud environments (preferably AWS SageMaker).
Working knowledge of React and frontend integration basics.
Solid understanding of data preparation, model tuning, and deployment workflows.
Strong problem-solving ability and self-management skills.
We are looking for an experienced AI/ML Engineer to join our team and drive the development of intelligent systems that enhance user personalization, property recommendations, pricing models, and more. You will work across disciplines with frontend, backend, and blockchain engineers to create and deploy real-world AI features in a decentralized ecosystem.
Responsibilities :
Build and deploy machine learning models for property recommendations, price prediction, and user engagement optimization.
Integrate LightFM, LangChain, and OpenAI/LLM frameworks.
Design AI-powered agents, chatbots, and virtual assistants.
Collaborate on feature engineering, data pipelines, and AI service APIs.
Work with frontend developers to display predictive results and recommendations in the UI.
Deploy models using AWS SageMaker or similar infrastructure.
Monitor model performance and continuously improve accuracy and efficiency.
Stay up to date with advancements in GenAI, real estate AI, and MLOps best practices.
Requirements :
5+ years of hands-on AI/ML development experience.
Strong Python skills with frameworks like NumPy, Pandas, Scikit-learn, TensorFlow, or PyTorch.
Experience with recommender systems (e.g., LightFM), NLP, or conversational AI (LangChain).
Familiar with deploying models in cloud environments (preferably AWS SageMaker).
Working knowledge of React and frontend integration basics.
Solid understanding of data preparation, model tuning, and deployment workflows.
Strong problem-solving ability and self-management skills.
Payment in Crypto
Dredsoft Labs
Smart Contract & Web3 Developer
Full time
Remote
About the Role :
We are looking for an experienced Smart Contract & Web3 Developer to join our team. This role is central to the design, development, and deployment of secure and scalable blockchain-based solutions. You will work closely with frontend and backend developers, designers, and product managers to integrate smart contracts into a seamless and immersive user experience for real estate investment and trading.
Responsibilities :
Design, develop, and deploy secure smart contracts on Ethereum or compatible EVM chains (e.g., Polygon).
Build and test tokenization logic for real estate assets using NFTs and ERC standards (e.g., ERC-721, ERC-1155).
Integrate Web3.js/Ethers.js with the frontend (React) and backend services.
Collaborate with designers and frontend developers to enable blockchain-powered UX flows (e.g., wallet login, transactions).
Implement features such as fractional ownership, DAO voting, and rental agreements.
Write unit tests and perform contract audits to ensure security and efficiency.
Manage smart contract deployments and monitor their on-chain performance.
Stay updated on Web3 trends, L2 solutions, and relevant protocols that can enhance the platform.
Requirements :
3-5 years of experience in smart contract development and blockchain technology.
Strong knowledge of Solidity and smart contract best practices.
Familiarity with Ethereum, Polygon, or other EVM-compatible chains.
Experience with Web3 libraries (Web3.js, Ethers.js) and frontend integration.
Basic understanding of frontend development using React and TypeScript.
Experience deploying contracts using tools like Hardhat or Foundry.
Understanding of decentralized storage solutions like IPFS.
Comfort with using blockchain APIs (Alchemy, Infura) and node management.
Good communication skills and ability to collaborate in a cross-functional team.
We are looking for an experienced Smart Contract & Web3 Developer to join our team. This role is central to the design, development, and deployment of secure and scalable blockchain-based solutions. You will work closely with frontend and backend developers, designers, and product managers to integrate smart contracts into a seamless and immersive user experience for real estate investment and trading.
Responsibilities :
Design, develop, and deploy secure smart contracts on Ethereum or compatible EVM chains (e.g., Polygon).
Build and test tokenization logic for real estate assets using NFTs and ERC standards (e.g., ERC-721, ERC-1155).
Integrate Web3.js/Ethers.js with the frontend (React) and backend services.
Collaborate with designers and frontend developers to enable blockchain-powered UX flows (e.g., wallet login, transactions).
Implement features such as fractional ownership, DAO voting, and rental agreements.
Write unit tests and perform contract audits to ensure security and efficiency.
Manage smart contract deployments and monitor their on-chain performance.
Stay updated on Web3 trends, L2 solutions, and relevant protocols that can enhance the platform.
Requirements :
3-5 years of experience in smart contract development and blockchain technology.
Strong knowledge of Solidity and smart contract best practices.
Familiarity with Ethereum, Polygon, or other EVM-compatible chains.
Experience with Web3 libraries (Web3.js, Ethers.js) and frontend integration.
Basic understanding of frontend development using React and TypeScript.
Experience deploying contracts using tools like Hardhat or Foundry.
Understanding of decentralized storage solutions like IPFS.
Comfort with using blockchain APIs (Alchemy, Infura) and node management.
Good communication skills and ability to collaborate in a cross-functional team.
Payment in Crypto
Dredsoft Labs
Engineering Manager
Full time
Remote
About the Role:
We are looking for an Engineering Manager to lead our distributed engineering team. In this role, you will guide a cross-functional team of developers (frontend, backend, Web3, AI/ML, mobile, QA), ensuring technical excellence, timely delivery, and alignment with product goals. The Engineering Manager will serve as both a technical leader and a people manager, fostering innovation and accountability across the team
Responsibilities :
Lead and manage a team of software engineers (frontend, backend, Web3, AI/ML, mobile, QA)
Define and maintain engineering best practices, coding standards, and architecture guidelines
Collaborate with Product Managers and Project Managers to plan and prioritize sprints
Drive the execution of technical projects from design through delivery
Conduct code reviews, mentoring, and skill development for engineers
Ensure scalable, secure, and high-performance systems across the stack
Oversee DevOps practices, CI/CD, and cloud deployments (AWS, Docker, Terraform)
Coordinate with Web3 developers for smart contract integration and audits
Monitor and improve system reliability, performance, and security
Manage hiring, onboarding, and performance evaluations of engineering team members
Requirements :
5+ years of experience as a Software Engineer / Full Stack Developer
2+ years of proven leadership experience as an Engineering Manager / Tech Lead
Strong technical background in React, Node.js, Python/FastAPI, Web3 (Solidity/Ethers.js)
Familiarity with cloud infrastructure (AWS, Docker, Terraform)
Experience with Agile/Scrum methodologies and sprint planning
Excellent problem-solving, communication, and organizational skills
Ability to manage a remote, distributed engineering team effectively
Basic understanding of front-end development (React/JS) is required
We are looking for an Engineering Manager to lead our distributed engineering team. In this role, you will guide a cross-functional team of developers (frontend, backend, Web3, AI/ML, mobile, QA), ensuring technical excellence, timely delivery, and alignment with product goals. The Engineering Manager will serve as both a technical leader and a people manager, fostering innovation and accountability across the team
Responsibilities :
Lead and manage a team of software engineers (frontend, backend, Web3, AI/ML, mobile, QA)
Define and maintain engineering best practices, coding standards, and architecture guidelines
Collaborate with Product Managers and Project Managers to plan and prioritize sprints
Drive the execution of technical projects from design through delivery
Conduct code reviews, mentoring, and skill development for engineers
Ensure scalable, secure, and high-performance systems across the stack
Oversee DevOps practices, CI/CD, and cloud deployments (AWS, Docker, Terraform)
Coordinate with Web3 developers for smart contract integration and audits
Monitor and improve system reliability, performance, and security
Manage hiring, onboarding, and performance evaluations of engineering team members
Requirements :
5+ years of experience as a Software Engineer / Full Stack Developer
2+ years of proven leadership experience as an Engineering Manager / Tech Lead
Strong technical background in React, Node.js, Python/FastAPI, Web3 (Solidity/Ethers.js)
Familiarity with cloud infrastructure (AWS, Docker, Terraform)
Experience with Agile/Scrum methodologies and sprint planning
Excellent problem-solving, communication, and organizational skills
Ability to manage a remote, distributed engineering team effectively
Basic understanding of front-end development (React/JS) is required
Payment in Crypto
Jiraporn Eksamut
Smart Contract Developer
Part time
Remote
About the Role:
We’re looking for an experienced Smart Contract Developer to join our remote team. You’ll be responsible for designing, developing, and deploying secure and efficient smart contracts for blockchain-based applications. The role involves close collaboration with other developers and product leads to bring new ideas to life.
Key Responsibilities:
- Design, write, and test smart contracts (Solidity)
- Review and optimize existing contracts for gas efficiency and security
- Integrate contracts with front-end or backend services via Web3
- Participate in code reviews, audits, and documentation
- Stay current with blockchain trends and best practices
Requirements:
- Proven experience with Solidity, EVM-based blockchains, and related frameworks (Hardhat, Truffle, Foundry, etc.)
- Good understanding of DeFi protocols, NFT standards (ERC-721/1155), or Layer-2 solutions
- Familiarity with smart contract security and testing methodologies
- Experience using GitLab, Git, and version control workflows
- Ability to work independently and communicate effectively in English
Nice to Have:
- Background in cryptography, auditing, or backend development
- Contributions to open-source blockchain projects
What We Offer:
- Fully remote and flexible working hours (team across EST, CET, GMT+2)
- Flexible payment options — including crypto payments (USDT, USDC) or traditional methods
- Collaborative and friendly international team
- Opportunities to grow into lead or architecture roles
We’re looking for an experienced Smart Contract Developer to join our remote team. You’ll be responsible for designing, developing, and deploying secure and efficient smart contracts for blockchain-based applications. The role involves close collaboration with other developers and product leads to bring new ideas to life.
Key Responsibilities:
- Design, write, and test smart contracts (Solidity)
- Review and optimize existing contracts for gas efficiency and security
- Integrate contracts with front-end or backend services via Web3
- Participate in code reviews, audits, and documentation
- Stay current with blockchain trends and best practices
Requirements:
- Proven experience with Solidity, EVM-based blockchains, and related frameworks (Hardhat, Truffle, Foundry, etc.)
- Good understanding of DeFi protocols, NFT standards (ERC-721/1155), or Layer-2 solutions
- Familiarity with smart contract security and testing methodologies
- Experience using GitLab, Git, and version control workflows
- Ability to work independently and communicate effectively in English
Nice to Have:
- Background in cryptography, auditing, or backend development
- Contributions to open-source blockchain projects
What We Offer:
- Fully remote and flexible working hours (team across EST, CET, GMT+2)
- Flexible payment options — including crypto payments (USDT, USDC) or traditional methods
- Collaborative and friendly international team
- Opportunities to grow into lead or architecture roles