Senior Data Infrastructure Engineer

Nexus One; United States; Remote; USD 120,000 - 180,000; Full time

Job summary

Nexus One is looking for a Senior Engineer to design, build, and maintain data infrastructure powering analytics and product features across the company. You will collaborate with engineering, analytics, and business stakeholders to turn raw data into reliable, well-modeled, and accessible datasets that support end-to-end data workflows.

You will own pipelines from ingestion to delivery, ensuring data quality, reliability, and scalability while partnering with cross-functional teams to meet

Qualifications

• 4+ years of professional experience in data engineering or a closely related discipline.
• Strong proficiency in SQL and at least one programming language commonly used for data engineering (e.g., Python, Scala, or Java).
• Hands-on experience building and operating ETL/ELT pipelines in a production environment.
• Experience working with cloud data platforms (AWS, GCP, or Azure) and modern data warehousing tools.
• Solid understanding of data modeling, data quality, and pipeline orchestration concepts.
• Comfort working with large, complex datasets and diagnosing data issues independently.

Responsibilities

• Design, build, and maintain scalable ETL/ELT pipelines that ingest, transform, and deliver data from a variety of internal and external sources.
• Develop and optimize data models and schemas that support analytics, reporting, and downstream application needs.
• Monitor pipeline health, troubleshoot data quality issues, and implement alerting and observability practices.
• Partner with analytics, product, and engineering teams to understand data needs and translate them into durable data solutions.
• Improve performance, scalability, and cost-efficiency of existing data infrastructure.
• Write clear technical documentation and contribute to team standards for testing, code review, and deployment.
• Participate in on-call or incident response rotations as needed to support production data systems

Skills

SQL

Programming languages (Python/Scala/JS

ETL/ELT pipelines

Data modeling

Data quality

Pipeline observability

Tools

AWS/GCP/Azure

Airflow/Dagster

dbt

Terraform

Kafka/Kinesis

Job description

Nexus One is looking for a Senior Engineer to design, build, and maintain data infrastructure powering analytics and product features across the company. You will collaborate with engineering, analytics, and business stakeholders to turn raw data into reliable, well-modeled, and accessible datasets that support end-to-end data workflows.

You will own pipelines from ingestion to delivery, ensuring data quality, reliability, and scalability while partnering with cross-functional teams to meet