Data Engineer

**Senior Data Engineer (Python / AWS / EKS / PostgreSQL)** Polaris I/O — Remote (U.S. only) \| Full\-time **About the company** Polaris I/O provides the world’s only integrated go\-to\-customer platform that combines transformation services, industry insights, and powerful technology to enable B2B companies to protect, retain, and grow large accounts. Our platforms take an outside\-in approach to improving commercial health, utilizing executive buyer insights to inform the orchestration of commercial activities that improve relationships, maximize growth, and scale beyond our engagement. Polaris I/O is an Equal Opportunity Employer. **Role Summary** Polaris I/O is hiring a **Senior Data Engineer** to help build and scale our **event\-driven microservice data pipeline** powering our CRM Integration Platform. This platform enables reliable, high\-quality data exchange with client systems such as **Salesforce, Microsoft Dynamics, and Matrix**. Our stack includes: · **Python microservices (FastAPI)** · **AWS SQS \+ EventBridge** · **Kubernetes (EKS)** · **Aurora PostgreSQL** · Configuration\-driven workflows using **YAML** This role is hands\-on and technical — you will build production systems that run at scale. *What You’ll Do:* **Microservice Development** · Build/maintain **Aurora PostgreSQL** data models using **SQLAlchemy \+ Alembic** · Implement pipelines for: · normalization · deduplication · data hygiene · enrichment · record matching · Tune PostgreSQL performance (query optimization, indexing, partitioning) **Cloud \& Integration** · Build cloud\-native pipelines using **AWS SQS, EventBridge, EKS, Lambda, Aurora PostgreSQL** · Integrate with CRMs to extract/process/reinsert standardized datasets · Improve observability using structured logging \+ monitoring **What We’re Looking For (Must\-Haves)** · 7\+ years software engineering experience · 5\+ years hands\-on **Python** · Production experience with: o **PostgreSQL** performance tuning o **AWS event\-driven services** (SQS, EventBridge, etc.) o **Kubernetes / EKS** · Experience with **FastAPI**, async Python · Experience with **SQLAlchemy, Alembic, Pydantic** · Strong debugging skills in distributed cloud systems · **Strong written and verbal communication in English** (role includes documentation and collaboration with U.S.\-based teams/clients) **Work Authorization Requirement (Required)** · Candidates must be legally authorized to work in the United States without the need for current or future employer sponsorship, including but not limited to 'STEM OPT' applicants. **Work Expectations** · **Work Hours** \- This is a full\-time position that requires employees to be online, actively engaged during standard business hours, and available for occasional after\-hours support. · **Exclusivity Requirement** \- Candidates must not engage in employment or contract work with other companies while employed by Polaris I/O. We are seeking dedicated team