Senior Blockchain Engineer (EVM) / Core Developer

We are looking for a Senior Blockchain Engineer (EVM) / Core Developer to join our team of innovators. If your mission is to assist in creating next-level technology solutions that improve how any business is run, you will hit the bull's eye coming aboard with us.

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.

Our customer is the leading Web3 infrastructure provider in Latam. They build the solutions needed by institutions to access the Web3 ecosystem by pioneering Web3 infrastructure technology together with our deep financial markets expertise.

Project Team:

When you join our team, you'll immerse yourself in a culture where teammates support each other and work collaboratively to achieve better results. We believe that together, we are better, and we can continue to find brilliant solutions by sharing ideas and constantly developing as individuals and as a team.

Requirements:

• 3+ years of 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.
• 5+ years of experience in software engineering, preferably at a reputable startup or a large tech company.
• 2+ years of experience in smart contract development, with at least one live deployed project on a mainnet EVM chain.
• 3+ years of experience in developing blockchain applications.
• Strong proficiency in Golang and other relevant programming languages for interacting with smart contracts.
• Good knowledge of classic cryptography:
o Pseudo-Random Number Generator (PRNG);
o Symmetric encryption/decryption: AES Block Cipher,
o Asymmetric encryption/decryption: DH key exchange, RSA, ECDSA;
o Secure Hash Algorithms: SHA256, SHA512;
o (Differential) Zero-knowledge proofs (ZKP), Circom, SNARK, GROTH16, PLONK.
• 5+ years of experience with database management (SQL and NoSQL).
• 3+ years of 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: Microservices, Distributed Systems, Prometheus, Grafana, Redis, Elastic Stack, Kafka, RabbitMQ.

Responsibilities:

• Design and develop decentralized applications on the Ethereum Virtual Machine (EVM) platform.
• Collaborate with product and engineering teams to understand user requirements and implement efficient and secure blockchain solutions.
• Write clean and efficient code using Golang and other relevant programming languages.
• Test, debug, deploy, and scale simulations of decentralized applications on various EVM-compatible blockchains.
• Stay up-to-date with the latest blockchain technologies and trends, and apply 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 for real-world assets (RWAs).

Smart Contract Development
• Develop and deploy smart contracts for essential features such as RWA tokenization, KYC attestations, and account abstraction.
• Collaborate with product engineers to integrate smart contract functions into core applications, ensuring compatibility with the end-to-end onboarding platform.

Architectural Design
• Design and implement smart contract, indexing, and off-chain architectures to support a robust incentivized testnet campaign.
• Contribute to building next-generation smart contracts and standards for tokenized capital markets, ensuring scalability, security, and efficiency.

Advantages of Working with Exadel:

Transparent Career Roadmap
The HR manager accompanies each employee on their first steps in the company and assists them in achieving future professional goals
Exadel 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 Opportunities
We believe in nurturing talent and fostering growth. That's why we offer an annual dedicated budget for your continuous learning journey. From professional development courses to books and certification, we're invested in your success
Employees 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 Balance
Each 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 & Bonuses
The 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
Employees collect coins for numerous project activities, exchanging them for products or services of their choice available on the Exadel store
Volunteers for mentoring, interviewing, performing assessments, and participation in community meet-ups, get additional monetary bonuses
Location-dependent, Exadellers can access benefit platforms with vouchers for online stores, medical insurance reimbursement, sports membership fees, vacations, and childbirth bonuses