Burhani Media Solutions LLC is seeking a highly skilled Full Stack Blockchain Developer to join our team. The ideal candidate will have expertise in developing and deploying smart contracts, decentralized applications (dApps), and full-stack blockchain solutions. If you have a strong background in blockchain development, smart contract programming, and full-stack web development, we want to hear from you!

• Design, develop, and deploy secure smart contracts using Solidity or Rust.
• Build and integrate decentralized applications (dApps) on blockchain platforms like Ethereum, Binance Smart Chain, or others.
• Develop and maintain backend services using Node.js, Python, or PHP.
• Create responsive and dynamic frontend interfaces using React, Next.js, Vue.js, or Angular.
• Work with Web3.js, Ethers.js, or other blockchain libraries for blockchain interactions.
• Implement blockchain security best practices to ensure smart contract integrity and protect against vulnerabilities.
• Optimize gas fees, transaction costs, and blockchain performance.
• Collaborate with the design and product teams to deliver seamless user experiences.
• Conduct code reviews, testing, and debugging to ensure high-quality production-ready code.

• Proven experience as a Full Stack Blockchain Developer.
• Strong proficiency in Solidity, Rust, or other smart contract languages.
• Hands-on experience with Ethereum, Polygon, Binance Smart Chain (BSC), or other blockchain networks.
• Proficiency in backend development (Node.js, Python, or PHP with Laravel).
• Strong knowledge of frontend frameworks like React.js, Next.js, Vue.js, or Angular.
• Experience with Web3.js, Ethers.js, or similar libraries.
• Familiarity with IPFS, The Graph, or Layer 2 solutions is a plus.
• Understanding of blockchain security best practices (reentrancy, front-running, etc.).
• Experience with smart contract audits is a plus.
• Strong problem-solving and communication skills.

• Prior experience working with DeFi, NFTs, or GameFi projects.
• Familiarity with Docker, Kubernetes, or cloud infrastructure.
• Experience with Hyperledger, Cosmos, or Polkadot ecosystems.

• Hourly rate: $25 - $40, based on experience and expertise.
• Flexible work hours.
• Opportunity to work on cutting-edge blockchain projects.

If you’re passionate about blockchain development and want to be part of a dynamic team, apply now! 🚀

Apply Now:

We are developing a miniApp in Telegram for exchanging cryptocurrencies for fiat and vice versa. Our service ensures fast, convenient, and secure exchange with minimal fees.

We are currently looking for a Backend Developer (Spring Boot) to continue development and support the project.

What you'll be doing:

• Developing and maintaining the backend for the Telegram miniApp using Spring Boot.
• Integrating with TronGrid (receiving/sending USDT TRC-20).
• Developing and improving the admin panel (user management, orders, exchange rates).
• Creating REST API for the frontend (Vue.js) and integrating with the Telegram bot.
• Optimizing the PostgreSQL database, setting up caching in Redis.
• Implementing secure authentication (JWT, OAuth 2.0).
• Ensuring server stability and fault tolerance.

What we are looking for:

• At least 2 years of experience with Java + Spring Boot.
• Strong knowledge of REST API, PostgreSQL, Redis.
• Ability to work with Docker (basic level required).
• Understanding of authentication principles (JWT/OAuth 2.0).
• Experience integrating external APIs (e.g., payment gateways, crypto APIs).
• Knowledge of multithreading and transaction processing.
• Basic knowledge of RabbitMQ/Kafka (nice to have, but not required).
• Experience with fintech or crypto-related projects is a plus.

What we offer:

• Salary $2500-3000 per month.
• Remote, office, or hybrid work (Czech Republic).
• Flexible working hours (full/part-time, full-time preferred).
• Opportunities for growth in crypto-fintech.
• Long-term collaboration (with potential for salary increases based on performance).

How to apply?

Send your resume + code samples (GitHub, portfolio) to Telegram @xchangio_support or email email

Looking forward to working with you! 🚀

Apply Now:

Molecule is at the heart of the Decentralized Science (DeSci) movement where biotech and blockchain meet to democratize scientific research, earning recognition and support from key figures in the web3 world, including Vitalik Buterin, Balaji, and Juan Benet. We're known for creating VitaDAO, the first and largest biotech DAO with more than $4m in funding deployed, bio.xyz, a vital hub supporting and building biotech DAOs, the IP-NFT, a protocol bringing rights to IP and R&D data on-chain, and IPTs, ERC-20 tokens minted from IP-NFTs to allow token holders to construct and cultivate valuable IP. We’ve also recently launched launchpad, a platform to launch, discover, and fund the best projects in DeSci.

Over the past 24 months, we have raised $20+ million to build the future of decentralized biotech. Join us and contribute to a future where scientific discovery is driven by web3.

About Us

BIO.xyz is at the forefront of the Decentralized Science (DeSci) revolution. We are building the next-generation financial layer to accelerate biotech innovation by decentralizing funding, coordination, and governance of scientific IP. Our mission is to empower researchers, universities, and companies worldwide to commercialize the best science faster through blockchain technology.

With our protocol, BIO.xyz enables funding, development, and governance of tokenized scientific intellectual property (IP), fostering a thriving ecosystem of biotech DAOs and IP assets. Join us to reshape the future of science and innovation!

Your Role

At BIO.xyz, we are building the future of decentralized science (DeSci). Our platform connects autonomous agents to cutting-edge labs and smart contract-based treasuries, enabling researchers and agents to collaborate, innovate, and push the boundaries of scientific discovery. We are looking for a passionate Full Stack Developer to bring this vision to life.

What You'll Be Doing

• Platform Development: Design and build scalable, modular front-end and back-end systems for the Bio Protocol platform.

• Web Application: Create intuitive UIs for researchers and agents to submit tasks, manage funding, and view experiment outcomes.

• Blockchain Integration: Develop and integrate Ethereum smart contracts (Layer 1 or Layer 2) into the platform for $BIO token transactions, staking, and rewards.

• API Layer: Build RESTful or GraphQL APIs to connect the front-end interface with agent harnesses and external lab resources.

• Database Management: Implement decentralized and traditional databases to store metadata, reputation scores, and task logs.

• Security: Ensure all platform components adhere to the highest security standards, including encryption, authentication, and transaction safety.

What We’re Looking For

• 3+ years in fullstack development

• Proven experience with blockchain technology (Solidity, Hardhat, or similar

• Proficiency in JavaScript/TypeScript, Node.js, React.js/Vue.js, and Python

• Experience with database systems like MongoDB, PostgreSQL, or IPFS

• Knowledge of smart contract development and integration (e.g., ERC-20, staking mechanisms)

• Understanding of Ethereum Layer 2 solutions (Polygon, Optimism, Arbitrum)

• Enthusiasm for decentralized systems, DeSci, and innovation in research

• Experience in integrating AI/ML models with web applications preferred

• Contribution to open-source projects in blockchain or scientific domains is a big plus

Why Join Us?

At BIO.xyz, you’ll be part of an innovative, mission-driven startup that’s disrupting the world of decentralized science. If you’re passionate about pushing boundaries and creating real-world impact, this is your opportunity to shape the future of research and innovation.

Here, you’ll work alongside a skilled, fast-paced team that thrives on creativity, collaboration, and bold ideas. You’ll be challenged, inspired, and empowered to bring your best work every day.

• HODL: You’re not just taking a job — you’re joining a movement. Every project you contribute to directly impacts the future of science and technology.

• WAGMI: We reward most full time positions with token equity and give you the opportunity to co-author future DeSci standards.

• Alpha: In our young, fast growing team, your voice matters. You’ll have the chance to shape not only your future but also the future of science research and innovation.

If you’re ready to take on big challenges, work with brilliant minds, and create something that matters, LFG - BIO.xyz is the right place for you!

We are an equal opportunity employer. We are committed to equality and weaving a community that values diverse perspectives and experiences and are actively seeking a diverse pool of applicants. All employment decisions are made without regard to race, colour, national origin, ancestry, sex, gender, gender identity or expression, sexual orientation, age, genetic information, religion, disability, medical condition, pregnancy, marital status, family status, veteran status, or any other characteristic protected by law.

Apply Now:

About Us:

Khantech is an IT startup dedicated to redefining the iGaming experience with cutting-edge technology and creative solutions. We are a team of Engineers, Designers, and gaming enthusiasts working remotely within Europe and Asia or in-house in our UAE/Dubai premises. 

About the product:

https://www.vatanplatform.com

We are looking for a highly skilled Full Stack Blockchain Developer to join our team. The ideal candidate will be proficient in both blockchain development and full-stack web development. You will be responsible for developing decentralized applications (dApps), smart contracts, and the backend and frontend of blockchain-based systems.

Job Responsibilities:

• Design, develop, and deploy smart contracts and decentralized applications (dApps) on various blockchain platforms (Ethereum, Binance Smart Chain, etc.).

• Build and maintain front-end interfaces using modern web technologies (React, Angular, Vue.js, etc.).

• Integrate front-end with back-end APIs, databases, and blockchain solutions.

• Develop and implement secure, scalable, and efficient blockchain-based systems.

• Troubleshoot, debug, and optimize blockchain applications and smart contracts.

• Collaborate with cross-functional teams including product managers, designers, and other developers to define and implement new features.

• Stay up-to-date with emerging trends and technologies in blockchain, DeFi, and Web3.

• Ensure compliance with security protocols and best practices.

• Contribute to codebase and manage version control using Git.

Key requirements:

• 3+ years of experience in full-stack development.

• Strong knowledge of cryptographic principles and blockchain architecture.

• Proficient in web technologies (HTML5, CSS3, JavaScript, TypeScript).

• Experience with databases (SQL and NoSQL).

• Knowledge of version control systems like Git.

• Experience with testing frameworks for smart contracts (Truffle, Hardhat, etc.).

• Familiarity with deploying applications on cloud platforms (AWS, GCP, etc.).

• Proven experience working with blockchain technologies (Ethereum, Solana, Binance Smart Chain, etc.).

• Hands-on experience with smart contract development (Solidity, Rust, Vyper, etc.).

• Experience building decentralized applications (dApps) and integrating them with blockchain networks.

• Familiarity with Web3.js, Ethers.js, or similar JavaScript libraries for blockchain interaction.

• Experience with backend development frameworks like Node.js, Express, Django, or Flask.

• Proficiency in front-end technologies such as React.js, Vue.js, or Angular.

Expected Soft skills (3-5 the most important attributes)

• Strong problem-solving and analytical skills.

• Excellent communication and teamwork skills.

• Ability to quickly learn new technologies and adapt to changing environments.

Benefits:

• 🚀Competitive Salary

• 📚Comprehensive Training and Career Development through our talent management program

• 🌐Fully remote or Comfortable office in Dubai, OAE/Erevan, Armenia

• 🏖️Generous Paid Vacation

Apply Now:

Engineering@Easygo Easygo leads the world in crafting top-tier entertainment experiences. Within our engineering organization, we foster a continuous learning environment, constantly pushing the boundaries of large-scale software design and development. Our culture revolves around fostering growth, nurturing learning, and upholding excellence in engineering, ensuring we consistently set the benchmark for engineering mastery. Who are we? At Easygo we proudly stand as a prominent service provider to a powerhouse of brands within the iGaming industry, including Stake.com, Kick.com and Twist Gaming. Stake is the world's largest crypto casino, and leads the industry with a seamless online casino and sportsbook experience. Level up your online entertainment with Kick.com, the vibrant live-streaming platform, which connects millions of gamers and content creators worldwide. All alongside the innovative game design studio, Twist Gaming, which takes creativity to new heights by crafting cutting-edge and captivating games. Why join us? Are you a passionate and ambitious software engineer ready to dive into an environment that fosters innovation, continuous learning, and professional growth? We're seeking talented individuals who are eager to tackle complex problems, build scalable solutions, and collaborate with some of the finest engineers in the entertainment industry.

Complex Projects, Creative Solutions: Dive into intricate projects that challenge and push boundaries. Solve complex technical puzzles and craft scalable solutions. Accelerate Your Growth: Access mentorship, training, and hands-on experiences to level up your skills. Learn from industry experts and gain expertise in scaling software. Collaborate with Industry Leaders: Work alongside exceptional engineers, exchanging ideas and driving innovation forward through collaboration. Caring Culture, Career Development: We deeply care about your career. Our culture prioritizes your growth with tailored learning programs and mentorship. Embrace Challenges, Celebrate Success: Take on challenges, learn from failures, and celebrate achievements together. Shape the Future: Your contributions will shape the future of entertainment.

If you're passionate about growth, innovation, and working with the best, we'd love to have you on our team! Key Responsibilities:

Design and implement scalable, high-performance software solutions in alignment with project requirements and company standards. Optimize existing systems for performance, scalability, and reliability, identifying and resolving bottlenecks and inefficiencies. Actively engage in hands-on coding and development, ensuring code quality, scalability, and maintainability. Identify opportunities for improvement and take initiative in technical discussions Independently lead medium-sized projects or components from start to finish. Collaborate effectively with cross-functional teams, communicating technical concepts and project updates. Provide technical leadership, guiding and mentoring junior engineers in the team. Collaborate with stakeholders, product managers, and engineering teams to effectively communicate technical concepts.

Qualifications:

Bachelor's/Master's degree in Computer Science or equivalent practical experience. 4+ years of hands-on experience in software engineering, with a primary focus on Backend development and leaning toward Full-Stack Experience with Node.js, GraphQL, Docker, Cloud services (e.g., AWS, Azure, Google Cloud) and related technologies. Experience with Database technologies such as PostgreSQL, MySQL, Elasticsearch for data storage and management. Experience with Messaging systems such as NATS, Kafka, RabbitMQ, SQS, etc.. Experience with Monitoring and logging tools (e.g., Datadog) Strong understanding of code architecture and design principles. Excellent problem-solving skills and the ability to thrive in a fast-paced, dynamic environment. Positive attitude and eagerness to learn new technologies to grow as a full-stack engineer.

Preferred Qualifications:

Experience with Svelte + SvelteKit or other server-side rendering frameworks (e.g. React + NextJS, Vue + Nuxt, Quasar, etc) Proficiency in JavaScript fundamentals, Design Patterns, Subscriptions (WebSockets, Pub/Sub), TypeScript, GraphQL, Storybook and related technologies. Experience with CI/CD tools (e.g., AWS Code Pipeline, GitHub Actions) for automating the deployment process.

Apply Now:

About us

Arrakis is the leading non-custodial, onchain market making solution for protocols and DAOs. Our customers include Ether.fi, Maker, Stargate, Across, Lido, Karpatkey and other industry leaders.

We believe in a world where every organization, from a small startup to a large enterprise, will be tokenized and traded onchain. For this world, Arrakis is building the tools to create the necessary liquidity to enable this token economy to rival and out-compete the traditional financial industry.

DeFi is at risk itself of being overcome by centralised actors however. As Ethereum’s DeFi ecosystem has become more complex, sophisticated actors have extracted more and more value known as MEV. Arrakis is working on next generation solutions at the speartip of the MEV supply chain, such as HOT AMM, to protect LPs and token issuers against this value extraction.

The role

As one of the Front End engineers at Arrakis, we’re looking for someone who is hands on but also has strong product thinking skills. Although shipping is important, this role entails more than writing lines of code. You’ll be involved in discovery work and ensuring that we build user-centred solutions that can scale.

What things will look like:

• You’ll be deeply involved in crafting delightful user experiences.
• You’ll play an instrumental role in architecting our systems, working with our current FE engineer, CTO (co-founder), back end engineers, smart contract developers and product manager.
• You’ll be heavily involved in product discovery work.
• We prioritise learning and shipping. We keep processes minimal.
• You won’t burn time in pointless meetings. We run a planning call on Mondays and do demos on Fridays. We have ad hoc working sessions and do daily async written updates.

Requirements

• Strong proficiency in React and Next.js ecosystems
• Hands on experience with Web3 technologies (wagmi, viem, Rainbowkit)
• Extensive experience with ReactQuery for efficient data fetching and state management
• Advanced knowledge of Typescript, including complex type definitions and best practices
• Expertise in modern CSS frameworks, particularly Tailwind CSS
• Demonstrated experience in monorepo architecture and management
• Strong understanding of CI/CD principles and experience implementing robust pipelines

Technologies we use and teach:

• React.js, Vue.js, Web3 Tooling, Typescript, GraphQl, NodeJS

Benefits

Join a small yet mighty team of industry veterans focused on revolutionizing crypto market making, collaborating with major projects like MakerDAO, Uniswap, Aave, Lido. You’ll work fully remotely with members spanning Zug, London, Paris, New York, Berlin, and San Francisco. Arrakis is backed by world-class investors including Uniswap Labs, Robot Ventures, Accel, Longhash, and more.

What we offer:

• Competitive salary
• SPICE token package
• Remote work
• Join amazing quarterly in-person offsites all over the world

The liquidity must flow…