Join to apply for theSenior Data Engineerrole atNansen.
Nansen is a blockchain analytics platform that enriches on-chain data with millions of wallet labels. Crypto investors use Nansen to discover opportunities, perform due diligence, and defend their portfolios with real-time dashboards and alerts.
The Opportunity:As we scale our data infrastructure to meet the growing complexity and volume of the crypto ecosystem, we're hiring aSenior Data Engineerto architect, build, and optimize systems that power our customer-facing analytics product.
This role offers a unique opportunity to dive deep into technical challenges while preparing for a future managerial position. You will start as an individual contributor, with aclear path to becoming an Engineering Managerwithin 12–18 months.
You will collaborate with a team of data engineers and ML engineers to solve complex technical problems with real-world impact—powering tools used daily by thousands of crypto investors, builders, and institutions.
What You'll Do:
- Design, build, and scale performant data pipelines and infrastructure using ClickHouse, BigQuery, Python, and dbt.
- Handle large-scale data challenges, processing terabytes of streaming and batch data daily.
- Collaborate closely with crypto researchers, backend engineers, and product managers to shape data modeling, surface data, and product features.
- Ensure high standards for data quality, reliability, and observability across all systems.
- Mentor junior data engineers and promote a culture of technical excellence and knowledge sharing.
- Stay current with best practices and continuously evolve your toolkit.
- Leverage AI tools and agents such as Cursor, MCPs, and LLMs to accelerate development, automate repetitive tasks, and enhance quality.
What We're Looking For:
- Proven experience in building and scaling high-performance data systems in production.
- Deep expertise in SQL and Python, with hands-on experience with dbt, ClickHouse, and BigQuery.
- Strong understanding of streaming data architectures and large-scale data handling.
- Full-stack data experience from ingestion and transformation to storage, modeling, and serving.
- Experience with AI-powered development tools and curiosity to explore their potential.
- Excellent communication skills, comfortable working remotely and asynchronously.
- Experience leading small project teams.
- Pragmatic, execution-focused mindset valuing fast feedback, clean architecture, and scalable design.
- Interest or experience in blockchain data structures, crypto, and Web3 technologies.
How We Work:
- Remote-first environment with asynchronous communication and purposeful video calls.
- Collaboration across time zones, with EMEA hours preferred for overlap.
- Tools include Slack, Notion, and structured documentation for alignment and empowerment.
- High-autonomy teams where engineers are trusted to take initiative and deliver impactful work.
Why Join Nansen?
At Nansen, you'll help shape the future of crypto intelligence by turning noisy blockchain data into actionable insights, empowering users to make better trading decisions.
We’re building the world's best blockchain analytics platform, with data at the core. You will:
- Work on massive data challenges in a rapidly growing industry.
- Influence product and technical strategies from day one.
- Build systems that support decision-making for crypto investors globally.
- Join a team that values autonomy, impact, and execution.
We offer a competitive compensation and benefits package tailored for a remote-first environment.
If you're passionate about building data infrastructure for the future of finance and want to work with a mission-driven team, we'd love to hear from you.
Additional Details:
- Seniority level: Mid-Senior level
- Employment type: Full-time
- Job function: Information Technology
- Industry: Data Infrastructure and Analytics
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