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<b>What is Polygon?</b>Polygon is the leading blockchain development platform, offering scalable, affordable, secure and sustainable blockchains for Web3. Its growing suite of products offers developers easy access to major scaling solutions including L2 (ZK Rollups and Optimistic Rollups), sidechains, hybrid, stand-alone and enterprise chains, and data availability. Polygon’s scaling solutions have seen widespread adoption with tens of thousands of decentralized applications hosted, <a href="http://1.6B" rel="noopener noreferrer nofollow ugc" target="_blank">1.6B</a>+ total transactions processed, 180M+ unique user addresses, and $7B+ in assets secured. Polygon is carbon neutral with the goal of leading the Web3 ecosystem in becoming carbon negative.<b>What does the zkEVM Team do?</b>Polygon zkEVM is the first zero-knowledge (ZK) scaling solution that’s fully compatible with Ethereum: all existing smart contracts, developer tools, and wallets work seamlessly. The zkEVM harnesses the power of ZK proofs to reduce transaction cost and massively increase throughput, all while inheriting the security of Ethereum L1.<b>Job Summary</b>We're looking for a <b>Senior Golang Developer</b> to join the Backend team of zkEVM and help develop the node that will be operating the EVM zkRollup. Your task scope will include implementing Merkletrees, Ethereum interfaces (read/write smart contracts), EVM logic, as well as more “traditional” backend features such as APIs, DBs, etc. In addition, you will collaborate with team members in making architectural decisions, choosing best practices, and bringing in new ideas. This is an exciting opportunity to take an active part in the blockchain space and contribute to the decentralization of the future. Find the zkEVM documentation at: <a href="http://docs.hermez.io/" rel="noopener noreferrer nofollow ugc" target="_blank">docs.hermez.io</a><h3>Key Job Responsibilities</h3><ul><ul><li>Design and implement quality backend architectures that connect with blockchain infrastructure.</li><li>Develop high-quality, performant, modern, clean and readable code within tight deadlines.</li><li>Take ownership of the development and maintenance of the project from ideation to deployment.</li><li>Work with the engineering, design, protocol and product teams collaboratively, contributing ideas that add value to our product roadmap and company goals.</li><li>Mentor junior golang developers on your team.</li></ul></ul><h3>Preferred Qualifications</h3><ul><ul><li>7+ years of Software Development experience. </li><li>2+ years of experience developing programs in Golang.</li><li>Good understanding of Ethereum and Solidity.</li><li>Basic knowledge of cryptographic primitives such as public/private keys, hash functions and Merkletrees (understanding how to use them, implementing them would be a plus).</li><li>Understanding of Ethereum and previous contribution to the blockchain space.</li><li>Experience working with git.</li></ul></ul><b>Benefits</b>The goal of the Polygon total rewards program is to support the health and well-being of you and your family. Our comprehensive compensation plan includes, the following benefits:Remote first global workforceIndustry leading Medical, Dental and Vision health insurance fully covered for each employee*Company matching 401k with 6% match$1,500 Home Office Set Up Allowance$2,000 Employee Development ProgramUnlimited PTO, with minimum required 10 days off annually for each employeeBook Allowance Program…$200 per yearCompany issued laptop*In certain countries medical, dental and vision is fully covered for any dependents. This is country and plan <a href="http://specific.Polygon" rel="noopener noreferrer nofollow ugc" target="_blank">specific.</a>Polygon is committed to a diverse and inclusive workplace and is an equal opportunity employer. We do not discriminate on the basis of race, national origin, gender, gender identity, sexual orientation, protected veteran status, disability, age, or other legally protected status.If you think you have what it takes, but don't necessarily meet every single point on the job description, please still get in touch. We'd love to have a chat and see if you could be a great fit.<b>Learn More about Polygon</b><b><a href="https://polygon.technology/" rel="noopener noreferrer nofollow ugc" target="_blank">Website</a> | <a href="https://twitter.com/0xPolygon" rel="noopener noreferrer nofollow ugc" target="_blank">Twitter</a></b> <b>|</b> <b><a href="https://twitter.com/0xPolygontoday" rel="noopener noreferrer nofollow ugc" target="_blank">Ecosystem Twitter</a> | <a href="https://twitter.com/0xPolygonDevs" rel="noopener noreferrer nofollow ugc" target="_blank">Developer Twitter</a> | </b><a href="https://twitter.com/polygonstudios" rel="noopener noreferrer nofollow ugc" target="_blank">Studios Twitter</a><b> | <a href="https://t.me/polygonofficial" rel="noopener noreferrer nofollow ugc" target="_blank">Telegram</a> | <a href="https://www.reddit.com/r/0xpolygon/" rel="noopener noreferrer nofollow ugc" target="_blank">Reddit</a> | <a href="https://discord.gg/XvpHAxZ" rel="noopener noreferrer nofollow ugc" target="_blank">Discord</a> | <a href="https://www.instagram.com/0xpolygon/" rel="noopener noreferrer nofollow ugc" target="_blank">Instagram</a> | <a href="https://www.facebook.com/0xPolygon.Technology" rel="noopener noreferrer nofollow ugc" target="_blank">Facebook</a> | <a href="https://www.linkedin.com/company/13449964/admin/" rel="noopener noreferrer nofollow ugc" target="_blank">LinkedIn</a></b>

Senior Golang Engineer

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Token Metrics is seeking a multi-talented Back End Engineer to facilitate the operations of our Data Scientists and Engineering team. Back End Engineer will be responsible to employ various tools and techniques to construct frameworks that prepare information using SQL, Python, R, Java and C++. The Big Data Engineer will be responsible for employing machine learning techniques to create and sustain structures that allow for the analysis of data while remaining familiar with dominant programming and deployment strategies in the field. During various aspects of this process, you should collaborate with coworkers to ensure that your approach meets the needs of each project.<h3>Responsibilities</h3><ul><ul><li> Liaising with coworkers and clients to elucidate the requirements for each task.</li><li> Conceptualizing and generating infrastructure that allows big data to be accessed and analyzed.</li><li> Reformulating existing frameworks to optimize their functioning.</li><li> Testing such structures to ensure that they are fit for use.</li><li> Building a data pipeline from different data sources using different data types like API, CSV, JSON, etc.</li><li> Preparing raw data for manipulation by Data Scientists.</li><li> Implementing proper data validation and data reconciliation methodologies.</li><li> Ensuring that your work remains backed up and readily accessible to relevant coworkers.</li><li> Remaining up-to-date with industry standards and technological advancements that will improve the quality of your outputs.</li></ul></ul><h3>Requirements</h3><ul><ul><li> Bachelor's degree in Data Engineering, Big Data Analytics, Computer Engineering, or related field.</li><li> A Master's degree in a relevant field is an added advantage.</li><li> 3+ years of Python, Java or any programming language development experience</li><li> 3+ years of SQL & No-SQL experience (Snowflake Cloud DW & MongoDB experience is a plus)</li><li> 3+ years of experience with schema design and dimensional data modeling</li><li> Expert proficiency in SQL, NoSQL, Python, C++, Java, R.</li><li> Expert with building Data Lake, Data Warehouse or suitable equivalent.</li><li> Expert in AWS Cloud.</li><li> Excellent analytical and problem-solving skills.</li><li> A knack for independence and group work.</li><li> Capacity to successfully manage a pipeline of duties with minimal supervision.</li></ul></ul>About Token MetricsToken Metrics helps crypto investors build profitable portfolios using artificial intelligence-based crypto indices, rankings, and price predictions. Token Metrics has a diverse set of customers, from retail investors and traders to crypto fund managers, in more than 50 countries.

Token Metrics

Crypto Senior Crypto Backend Engineer (Remote)

Brazilian Real

São Paulo

Web3 Senior Level Jobs in Crypto & Blockchain Companies in Brazil in November 2023. Apply on CryptoJobsList.

Web3 Senior Level Jobs in Crypto & Blockchain Companies in Brazil

Web3 Senior Level Jobs in Crypto & Blockchain Companies in Brazil | CryptoJobsList

Web3 Senior Level Jobs in Crypto & Blockchain Companies in Brazil

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Crypto Senior Crypto Backend Engineer (Remote) at Token Metrics

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