Senior Backend Engineer - Python, Spark, AWS Leader

BranchLab Inc.; Boulder (CO); Hybrid; USD 140,000 - 190,000; Full time

Job summary

BranchLab is seeking a backend-focused engineer in Boulder, CO to design and build scalable data-processing pipelines using Python and Apache Spark. You will architect and operate distributed workloads on AWS (EKS/EMR) and lead small engineering efforts while staying hands-on.

Responsibilities include mentoring engineers, driving technical decisions, and improving reliability, performance, and security of production systems powering privacy-first healthcare data platforms.

Qualifications

• Proficient in Python for backend services and data pipelines.

Responsibilities

• Design, build, and own backend systems and APIs in Python.

Skills

Python Backend Development

Apache Spark Data Processing

AWS Cloud Architecture

Team Leadership

SQL Proficiency

Tools

AWS EKS

AWS EMR

Apache Airflow

Snowflake

Databricks

Kubernetes

AWS S3

AWS Athena

Job description

BranchLab is seeking a backend-focused engineer in Boulder, CO to design and build scalable data-processing pipelines using Python and Apache Spark. You will architect and operate distributed workloads on AWS (EKS/EMR) and lead small engineering efforts while staying hands-on.

Responsibilities include mentoring engineers, driving technical decisions, and improving reliability, performance, and security of production systems powering privacy-first healthcare data platforms.