Work at Exadel - Who We Are:Since 1998, Exadel has been engineering its products and custom software for clients of all sizes. Headquartered in Walnut Creek, California, Exadel has 2,800+ employees in development centers across America, Europe, and Asia. People drive Exadel's success and are at the core of our values. We are seeking a Senior Blockchain Developer with a background in Ethereum, Tools Web3 platforms, smart contracts, and developing blockchain applications. In this role, you will go: •Design and develop decentralized applications on the Ethereum VirtualMachine (EVM) platform.• Collaborate with product and engineering teams to understand userrequirements and implement efficient and secure blockchain solutions.• Write clean and efficient code using Golang and other relevantprogramming languages.• Test, debug, deploy, and scale simulations of decentralized applications onvarious EVM-compatible blockchains.• Stay up-to-date with the latest blockchain technologies and trends, andapply them to our projects as appropriate.• Contribute to the development and deployment of core EVM (Solidity)smart contracts for a fully integrated and modular blockchain optimized forreal-world assets (RWAs). requirements.Requirements:• Advanced English• Senior experience in blockchain development, with a focus on Core.• Development on the Ethereum Virtual Machine (EVM) platform.• Experience forking, changing, debugging, and running any Ethereum client(e.g., go-ethereum/geth, bsc-geth) and consensus mechanisms (e.g.,Parlia, Clique, PoW, Lachesis, BFT).• An understanding of the architecture of geth, reth, and other low-level EVM software.• (Optional) Experience working in an engineering role at an L1/L2 in the past.• Experience in software engineering, preferably at a reputable, startup or a large tech company.• Experience in smart contract development, with at least one live deployed project on a mainnet EVM chain.• Experience in developing blockchain applications.• Strong proficiency in Golang and other relevant programming languages for interacting with smart contracts.• Good knowledge of classic cryptography:• Pseudo-Random Number Generator (PRNG);• Symmetric encryption/decryption: AES Block Cipher,• Asymmetric encryption/decryption: DH key exchange, RSA, ECDSA;• Secure Hash Algorithms: SHA256, SHA512;• (Differential) Zero-knowledge proofs (ZKP), Circom, SNARK,GROTH16, PLONK.• Experience with database management (SQL and NoSQL).• Experience with tools like Web3.js / Ether.js,JavaScript/TypeScript, Hardhat, Truffle.• Experience with cloud-based architecture and deployment (e.g., AWS,Azure, Google Cloud Platform).Others Knowledge: Microservices, Distributed Systems, Prometheus, Grafana, Redis, Elastic Stack, Kafka, RabbitMQ.• Excellent problem-solving and communication skills.• Very good knowledge of Solidity or Vyper.• Good knowledge of best practices for securing smart contracts and appdevelopment. Foundry,Brownie, Slither, Solhint.• Good level of proficiency with basic tools: Git, VSCode, JIRA.• Ability to work remotely, independently, and collaboratively in a team.• Excellent verbal and written communication in English.• Willingness to explore new things and curiosity.Responsibilities:• Design and develop decentralized applications on the Ethereum VirtualMachine (EVM) platform.• Collaborate with product and engineering teams to understand userrequirements and implement efficient and secure blockchain solutions.• Write clean and efficient code using Golang and other relevantprogramming languages.• Test, debug, deploy, and scale simulations of decentralized applications onvarious EVM-compatible blockchains.• Stay up-to-date with the latest blockchain technologies and trends, andapply them to our projects as appropriate.• Contribute to the development and deployment of core EVM (Solidity)smart contracts for a fully integrated and modular blockchain optimized forreal-world assets (RWAs).Benefits/Advantages:Advantages of Working with Exadel:Transparent Career RoadmapThe HR manager accompanies each employee on their first steps in the company and assists them in achieving future professional goalsExadel is a global company with 30+ offices in 15+ countries. Employees can discover new places to live and work and transfer to any location with an Exadel production office. The HR manager and the Global Mobility specialist accompany the employee and assist throughout the relocation process.Your career growth is in your hands, so each Exadeller decides when to level up and initiate performance assessments. The management team supports career planning and the discovery of new tech stacks and languages.Learning & Development OpportunitiesIncludes certifications, training sessions, meetups, conferences, and educational materialsEmployees participate actively and benefit from the knowledge-sharing environment across seven practice units: Digital Marketing Technologies, Content Marketing, AI, QA, QAA, Agile, and DevOps.Employees can find recordings from meetups and trainings on Exadel's Internal Learning System.Work & Life BalanceEach Exadeller is in charge of managing their workflow independently without being micromanaged at every step; it is, however, important that an employee always attends meetings, logs their time, and meets deadlines.Operating from the office, or remotely, depends on which mode the employee prefers. Hybrid or remote mode staff will receive the necessary equipment before their first working day. For those who prefer to work in-office, the office network offers up-to-date equipment, good facilities, and a warm collaborative environment.The team meets at two annual team-building events across locations; in addition there are team events such as Pizza Days, Programmer's Day, informal meetups, board game parties, and sports initiatives.Employee Perks & BonusesThe Exadel referral program covers all regions and involves recognition for hired recommended professionals. Depending on the location and the position, an employee receives a monetary bonus for recommending a candidate to Exadel who ends up being hired.Volunteers for mentoring, interviewing, performing assessments, and participation in community meet-ups, get additional monetary bonuses.Exadellers can access benefit as medical insurance reimbursement, sports membership fees, vacations, and childbirth bonuses.