About The Role:

The Software Engineering team at Shardeum is responsible for delivering the Shardeum Mainnet, and developing the smart contract platform, the consensus layer and the protocol layer. We focus on building scalable, performant, secure and reliable software that can be downloaded by thousands of node operators to actualize the Shardeum network. We are in search of a highly talented, innovative Principal Blockchain Engineer that has hands-on, practical Ethereum Virtual Machine (EVM) experience - preferably with another L1 blockchain.

If you enjoy solving complex computer science problems, are passionate about what you work on, are a perfectionist who wants to build things the right way, and are persistent about finishing what you started, then you're the kind of person we are looking for. You will be working with equally talented and innovative individuals with the goal of building incredible software with the potential to change the world.

What You'll Be Doing:

• Provide technical structure to teams and work closely with management and stakeholders to define strategic road maps for our EVM based Smart Contracts platform.
• Manage individual, EVM based projects, priorities, deadlines and deliverables with your technical expertise.
• Mentor and train other team members on design techniques, coding standards and EVM basics.
• Contribute to the architecture and implementation of complex software components on the EVM.
• Take on end-to-end ownership of critical software components related to our EVM based smart contracts platform.
• Design and develop innovative new consensus and protocol software.
• Ensure performance optimization, and making scalability / reliability improvements to the software.
• Resolve issues, debugging errors and fixing code to improve the reliability and security of Shardeum software components.
• The tech stack you will be using is: Nodejs, TypeScript, SQLite, Postgres, React and Vuejs
• The development environment will be: Linux, Git, AWS, Docker and VS Code.

What We're Looking

• Extensive experience designing, implementing and maintaining an EVM based Smart Contract platform.
• You know what high quality code looks like and know how to foster an environment that creates it.
• Fluency with algorithms and data structures.
• The ability to quickly learn new languages and technologies.
• The ability to write clean yet efficient code.
• The Creativity to come up with proof of concept from high level design, even in an often ambiguous environment.
• Self motivated to set priorities and methodically make progress toward goals.
• The ability to communicate effectively and convey your ideas when discussing technical topics with team members.
• Bachelor's Degree in Computer Science or a related field.

We'd Love If You Have:

• Experience working on all levels of a Layer 1 blockchain.
• Experience with concurrency, parallelism and distributed systems.
• Experience with consensus protocols and other blockchains.
• Experience with Node.js and TypeScript, or languages like C, C++, Rust or GO.
• Experience writing a smart contract on a blockchain.
• Experience running a node in a blockchain network.
• Read the Bitcoin and Ethereum white papers.

We are building the infrastructure for Web 3.0. It's going to be a rollercoaster ride but promises to be fun!

Apply Now:

About the Opportunity

We’re seeking a passionate Developer Advocate to bridge the gap between our developer community and internal teams, driving engagement and growth for Kadena. Join us in shaping the future of decentralized finance by empowering and growing our global developer community!

This position will report directly to our Sales Engineer, with the opportunity to grow with the role and company.

How You’ll Make An Impact

• Foster a thriving developer community through outreach, events, and support initiatives
• Work on building out our developer tools and prioritizing community requests,
• Create and maintain technical content, including documentation, tutorials, and video guides
• Organize and lead hackathons, workshops, and educational office hours
• Serve as the primary liaison between developers and internal teams, channeling feedback to improve products
• Engage with developers across various platforms (forums, social media, Discord) to provide support and gather insights
• Collaborate with marketing and product teams to align developer initiatives with broader strategy
• Monitor and optimize developer engagement metrics

What Sets You Apart

• 2 years of full-stack development experience, with proficiency TypeScript, Javascript, and Solidity
• Experience in developer relations, community management, or developer advocacy
• Excellent communication skills, able to explain complex technical concepts to diverse audiences
• Background in blockchain or decentralized applications
• Proven ability to create compelling technical content (written and video)
• Passion for building and nurturing a global developer community
• Self-motivated and comfortable in a fast-paced, remote environment
• Experience with presenting at conferences, organizing hackathons, and meetups
• Ability to mentor and coach developers of various skill levels

Kadena requires all employees to be fully vaccinated against COVID-19 as a condition of employment. Kadena considers requests for reasonable accommodations for medical or religious reasons pursuant to applicable law.

What We Offer

This role has an annual starting salary range of $120,000 - $140,000 + benefits listed below. Actual compensation is influenced by a wide array of factors including but not limited to your individual skills and experience.

• Fully paid medical, vision, and dental insurance for full-time employees
• 16 weeks of paid parental leave
• Flexible savings accounts
• Company coin options
• Unlimited PTO (and a culture of taking time off) + 13 holidays
• Company wide closure between Christmas and New Years
• Remote company with annual in-person offsite
• Home office setup stipend
• Health & wellness benefit through Wellhub

Who We Are

Kadena is the industry’s only scalable layer 1 Proof of Work (PoW) blockchain. The principal feature that drives Kadena is scalability, which enables Kadena to deliver infrastructure-grade performance for any blockchain project. Along with our own smart contract language Pact, Kadena’s platform provides the world the tools and environment to turn ideas and ambitions into reality. Founded by Stuart Popejoy and William Martino who created JP Morgan’s first blockchain and led the SEC’s Crypto Committee, Kadena aims to allow for true blockchain mass adoption.

At Kadena, we value diversity, curiosity, a work/life balance, kindness, and teamwork.

Our Commitment to You

At Kadena we know that cultivating diversity and fostering an inclusive work environment is critical to our impact and success. We create an environment where no individual is advantaged or disadvantaged because of their background. We offer equal opportunity employment regardless of race, color, religion, gender, gender identity or expression, sexual orientation, national origin, genetics, disability status, age, marital status, or protected veteran status.

With a commitment to maintaining a bias-free environment in which harassment is prohibited, we respect cultural diversity and comply with the laws of the places in which we operate. We expect our business partners, suppliers, clients, and all of our team members to uphold these commitments.

Are you excited about creating secure, efficient, and reliable smart contracts that power decentralized applications and automate transactions on blockchain platforms? Do you thrive on working with cutting-edge technologies to develop systems that foster trust and transparency without intermediaries? If you’re passionate about writing smart contracts that power DeFi applications, NFTs, DAOs, or other blockchain-based solutions, then our client has the perfect opportunity for you. We’re looking for a Smart Contract Engineer (aka The Blockchain Code Crafter) to design, develop, and optimize smart contracts that bring the vision of decentralized systems to life.

As a Smart Contract Engineer at our client, you’ll collaborate with blockchain developers, cryptographers, and product teams to write secure, efficient smart contracts for various blockchain platforms. Whether it’s creating governance tokens, DeFi protocols, or NFT minting contracts, your work will be at the forefront of blockchain innovation, ensuring that smart contracts deliver on their promise of security, transparency, and automation.

Key Responsibilities:

1. Design, Develop, and Deploy Smart Contracts:

• Write and implement secure, optimized smart contracts on platforms such as Ethereum, Binance Smart Chain, or Solana. You’ll work with Solidity, Rust, or Vyper to build contracts for decentralized applications (dApps), decentralized finance (DeFi), NFTs, or DAOs.

• Ensure that all smart contracts are secure and free from vulnerabilities. You’ll conduct audits to identify potential bugs or attack vectors, using tools like MythX, Slither, or Oyente to analyze smart contract code and prevent exploits.

• Focus on optimizing gas usage and improving the efficiency of smart contracts to ensure that they run smoothly and cost-effectively on the blockchain. You’ll implement best practices for gas optimization and write code that scales.

• Work closely with front-end developers and blockchain engineers to integrate smart contracts into decentralized applications and DeFi protocols. You’ll design APIs and ensure smooth interaction between smart contracts and user interfaces.

• Build smart contracts for custom tokens (ERC-20, ERC-721, ERC-1155) and implement governance mechanisms for decentralized autonomous organizations (DAOs). You’ll create systems that allow decentralized voting, staking, and rewards distribution.

• Collaborate with the blockchain community by contributing to open-source projects and helping improve existing blockchain standards. You’ll participate in forums, GitHub discussions, and code reviews to push the boundaries of smart contract technology.

• Stay up-to-date with the latest advancements in blockchain technology and smart contract development. You’ll experiment with new protocols like Polkadot, Avalanche, or Layer 2 solutions like Optimism and Arbitrum to explore scalability and interoperability.

Required Skills:

• Smart Contract Development Expertise: Strong knowledge of smart contract development, including experience working with platforms like Ethereum, Binance Smart Chain, or Solana. You’re proficient in Solidity, Rust, or Vyper and have built and deployed smart contracts for real-world applications.
• Blockchain Knowledge: Deep understanding of decentralized technologies, blockchain principles, and consensus mechanisms like Proof of Stake (PoS) or Delegated Proof of Stake (DPoS). You’re familiar with layer 1 and layer 2 blockchain solutions.
• Security and Auditing: Experience conducting smart contract audits and ensuring the security of blockchain applications. You’re familiar with security vulnerabilities like reentrancy attacks, front-running, and integer overflows, and know how to prevent them.
• Gas Optimization and Efficiency: Expertise in optimizing smart contract code to minimize gas costs. You understand how to write efficient, scalable code that is both cost-effective and reliable on the blockchain.
• Collaboration and Communication: Strong communication skills with the ability to work closely with blockchain developers, cryptographers, and product teams. You’re skilled at explaining complex technical concepts to non-technical stakeholders.

Educational Requirements:

• Bachelor’s or Master’s degree in Computer Science, Cryptography, Blockchain, or a related field. Equivalent experience in smart contract development is highly valued.
• Certifications or additional coursework in blockchain development or smart contract security are a plus.

Experience Requirements:

• 3+ years of experience in smart contract development, with hands-on experience writing, testing, and deploying contracts in a production environment.
• Proven experience building decentralized applications (dApps), DeFi protocols, or NFT platforms, including writing and optimizing smart contracts.
• Experience with blockchain tools like Truffle, Hardhat, Remix, or Brownie for smart contract development and testing is highly desirable.

• Health and Wellness: Comprehensive medical, dental, and vision insurance plans with low co-pays and premiums.
• Paid Time Off: Competitive vacation, sick leave, and 20 paid holidays per year.
• Work-Life Balance: Flexible work schedules and telecommuting options.
• Professional Development: Opportunities for training, certification reimbursement, and career advancement programs.
• Wellness Programs: Access to wellness programs, including gym memberships, health screenings, and mental health resources.
• Life and Disability Insurance: Life insurance and short-term/long-term disability coverage.
• Employee Assistance Program (EAP): Confidential counseling and support services for personal and professional challenges.
• Tuition Reimbursement: Financial assistance for continuing education and professional development.
• Community Engagement: Opportunities to participate in community service and volunteer activities.
• Recognition Programs: Employee recognition programs to celebrate achievements and milestones.

Apply Now: