**What you will do** - Design, develop, and maintain real-time and batch ETL pipelines tailored to blockchain and market data; - Build and maintain scalable backend systems and APIs for internal and external data consumption; - Ensure data observability, quality, and reliability through standardized monitoring and alerting systems; - Collaborate cross-functionally with data scientists, engineers, and product teams to support decision-making through accessible data; - Improve existing systems and identify opportunities for automation and performance optimization; - Contribute to open-source tooling and share knowledge with the broader Ethereum and Web3 ecosystem; - Mentor other engineers and promote a culture of innovation and technical excellence; - Engage in technical discussions, architectural reviews, and code quality assurance; - Provide technical leadership, mentorship, and guidance to other engineers. **Must haves** - **5+ years** of experience as a **Data Engineer**or Backend Engineer with a strong foundation in data-intensive systems; - Experience building and maintaining highly available data pipelines; - Proficiency with **Apache Kafka** or other data streaming/pub-sub systems; - Experience with data modeling, API design, and distributed systems; - Proficiency in at least one modern backend language (Python, Go, Node.js/TypeScript); - **1+ years** of experience working with **Ethereum or Solana ecosystems**; - Strong understanding of blockchain data structures and transaction flows; - Comfortable working in a fast-paced, remote, and collaborative environment; - Upper-Intermediate English level. **Nice to haves** - Experience with AWS, GCP, or Azure; - Experience with Apache Airflow and other workflow orchestration tools; - Experience with PostgreSQL, ClickHouse, or similar analytical databases; - Familiarity with Docker, Kubernetes, and CI/CD practices; - Prior exposure to on-chain analytics, DeFi protocols, or smart contracts; - Experience contributing to open-source data tooling. **The benefits of joining us** - **Professional growth**:Accelerate your professional journey with mentorship, TechTalks, and personalized growth roadmaps. - **Competitive compensation**:We match your ever-growing skills, talent, and contributions with competitive USD-based compensation and budgets for education, fitness, and team activities. - **A selection of exciting projects**:Join projects with modern solutions development and top-tier clients that include Fortune 500 enterprises and leading product brands. - **Flextime**:Tailor your schedule for an optimal work-life balance, by having the options of working from home and going to the office, whatever makes you the happiest and most productive. - Good luck! We're rooting for you! _