Join to apply for the Smart Contract Backend Engineer (External) role at Serotonin Join to apply for the Smart Contract Backend Engineer (External) role at Serotonin Our client is a cutting-edge company focused on revolutionizing global payments by building a scalable, zero-fee payment platform secured by Bitcoin. Their innovative technology enables fast, secure, and cost-effective digital transactions, with the potential to reshape how the world interacts with money. We are looking for a talented Smart Contract Engineer to join their growing team. This role offers the opportunity to work on innovative blockchain technologies and contribute to the development of secure, efficient, and reliable smart contracts that power our payment ecosystem. If you’re excited about joining a dynamic and purpose-driven environment where your ideas can shape the future, we’d love to meet you. Together, we can redefine what’s possible in the world of digital connectivity and data management. Key Responsibilities: Design, develop, and deploy smart contracts for the platform using Solidity or other relevant programming languages Implement secure and efficient code while adhering to best practices for smart contract development Collaborate with backend and frontend engineers to integrate smart contracts into the platform Perform rigorous testing, debugging, and auditing of smart contracts to ensure security and reliability Stay informed about the latest developments in blockchain and smart contract technologies Contribute to the documentation of smart contract architecture and processes Participate in code reviews to maintain high-quality standards across the codebase Key Requirements: 2–4 years of experience in blockchain development, with a strong focus on smart contracts Proficiency in Solidity and familiarity with Ethereum Virtual Machine (EVM) Understanding of security considerations and best practices for smart contract development Experience with tools such as Hardhat, Truffle, or Foundry for development and testing Familiarity with Web3.js, Ethers.js, or similar libraries for interacting with blockchain networks Strong problem-solving skills and attention to detail Excellent communication and collaboration skills Preferred Qualifications Experience with Bitcoin Layer 2 solutions or similar blockchain ecosystems Contributions to open-source blockchain or smart contract projects Understanding of financial systems, payment protocols, or decentralized finance (DeFi) What We Offer Competitive salary and equity options Flexible working hours and remote-friendly environment The chance to work on cutting-edge technology with a talented, passionate team Opportunities for professional growth and learning Seniority level Seniority level Not Applicable Employment type Employment type Contract Job function Job function Engineering and Information Technology Industries Advertising Services Referrals increase your chances of interviewing at Serotonin by 2x Sign in to set job alerts for “Back End Developer” roles. New York, NY $110,000.00-$240,000.00 3 months ago React JS Developer (Full Time) - 100% Remote Latin America $80,000.00-$280,000.00 1 year ago Full Stack Software Engineer (PST or MST timezones) New York, NY $125,000.00-$175,000.00 2 weeks ago Full stack engineer - React/Node/Mongo [Remote] Full-Stack Engineer - Help Us Build the Future of AI Team Development New York, NY $115,000.00-$185,000.00 2 months ago New York, NY $156,000.00-$170,000.00 2 weeks ago New York, NY $150,000.00-$200,000.00 13 hours ago Senior Software Engineer, Backend - Fintech New York, NY $75,000.00-$120,000.00 3 weeks ago Senior Full Stack Engineer (NYC, Austin or Remote US) New York, NY $120,000.00-$190,000.00 1 year ago We’re unlocking community knowledge in a new way. Experts add insights directly into each article, started with the help of AI. #J-18808-Ljbffr Serotonin
...other departments (e.g., marketing, district management) for promotions and operational improvements. Brand-Specific Adjustments: KFC: Focus on managing fried chicken preparation and ensuring quality control in the frying process. Oversee staff involved in...
Earn at Home Panelist Program - Customer Service Rep - Data Entry Clerk - Work from Home & Part-timeWe are presently looking for on-line support in our work at home Panelist Program. This is a legit opportunity for someone who takes pleasure in sharing point of views...
...and Competitive Culture Strong Leadership Competitive Paid Training Program Bonus based on performance Competitive salary... ...Salary plus Commission and Bonus Paid Time Off (vacation and personal/sick days) Weekends/Holidays off Weekdays 830a - 530p Growth...
...providing exceptional care to every patient, every time. St. Luke's Hospital is a value-driven award-winning health system that has been... ...by HealthGrades. Position Summary: As a Roman Catholic Chaplain, provides ministry under general supervision to persons in the...
...an experienced and results-driven SEO Specialist to join our team. The ideal candidate... ...for driving organic traffic, improving search engine rankings, and delivering measurable results... ...: Implement search engine optimization content strategies for the agencys clients...