Senior Data Engineer

Nansen; United States; Remote; USD 140,000 - 210,000; Full time

Benefits offered by this job

Competitive compensation

Remote-first culture

Career growth

Job summary

Nansen is seeking a Senior Data Engineer to architect, build, and optimize data infrastructure powering our analytics product. Start as an individual contributor with a clear path to Engineering Manager in 12–18 months.

You will work with data and ML engineers to tackle real-world data challenges used by crypto investors and institutions. Key duties include designing scalable pipelines using ClickHouse, BigQuery, Python, and dbt; processing terabytes of streaming data daily; and mentoring junior

Qualifications

• Proven track record of building and scaling high-performance data systems in production.
• Deep expertise in SQL and Python; hands-on with dbt, ClickHouse and BigQuery.
• Experience with streaming data architectures and large-scale data volumes.
• Strong full-stack data experience from ingestion to serving; async teamwork.

Responsibilities

• Design, build, and scale data pipelines and infrastructure using ClickHouse, BigQuery, Python, and dbt.
• Process terabytes of streaming and batch data daily.
• Collaborate with researchers, backend engineers, and product managers to model and surface data.
• Maintain data quality, reliability, and observability across systems.
• Mentor junior data engineers and promote technical excellence and knowledge sharing.
• Leverage AI tools to accelerate development and boost quality.

Skills

SQL

Python

Data pipelines

Data modeling

Observability

Mentoring

Remote collaboration

Tools

dbt

ClickHouse

BigQuery

Cursor

MCPs

LLMs

Job description

Nansen is a blockchain analytics platform that enriches on-chain data with millions of wallets labels. Crypto investors use Nansen to discover opportunities, perform due diligence and defend their portfolios with our 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 a Senior Data Engineer to architect, build and optimize systems that power our customer-facing analytics product. This role is a unique opportunity to dive deep in the technical space while preparing for a future manager role. You ll start as an individual contributor, but with a clear path to becoming an Engineering Manager within 12-18 months. You ll work with a collaborative, pragmatic team of data engineers and ML engineers to solve hard 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, primarily using ClickHouse, BigQuery, Python, and dbt.
• Tackle large-scale data challenges, processing terabytes of streaming and batch data daily.
• Collaborate closely with crypto researchers, backend engineers, and product managers to shape how data is modeled, surfaced, and productized.
• Ensure high standards for data quality, reliability, and observability across all systems.
• Mentor junior data engineers and help foster a culture of technical excellence and knowledge sharing.
• Bring fresh thinking to the table - staying current with best practices and evolving your toolkit over time.
• Use AI tools and Agents such as Cursor, MCPs and LLMs to accelerate development, automate repetitive work, and boost quality.

What We re Looking For:

• A proven track record of building and scaling high-performance data systems in production.
• Deep expertise in SQL and Python, with hands-on experience using dbt, ClickHouse, and BigQuery.
• Strong grasp of streaming data architectures and experience handling large-scale data volumes.
• Comfortable working full-stack with data - from ingestion and transformation to storage, modeling, and serving.
• Experience using AI-powered tools in day-to-day development and a natural curiosity to push boundaries with them.
• Excellent written and verbal communication skills; you re confident working in a remote-first, async team.
• Experience leading and managing projects in smaller teams.
• A pragmatic, execution-oriented mindset.
• You value fast feedback loops, clean architecture, and scalable design.
• Experience with - or strong interest in - blockchain data structures, crypto, and Web3 technologies.

How We Work:

• We re remote-first, with async communication as the default and thoughtful, purposeful use of video calls.
• We work across time zones, but EMEA working hours are required for collaboration overlap.
• We use Slack, Notion, and structured documentation to keep everyone aligned and empowered.
• You ll join a high-autonomy team where engineers are trusted to take initiative, propose ideas, and ship great work.

Why Join Nansen?

• Work on massive-scale data challenges in one of the fastest-growing industries.
• Influence product and technical direction from day one.
• Build systems that power the decision-making of crypto investors around the world.
• Join a team that values autonomy, impact, and execution above all.

We also offer a competitive compensation and benefits package, tailored to a remote-first environment.

If you re excited about building data infrastructure for the future of finance, and want to work with a sharp, mission-driven team - we d love to hear from you.