Senior Software Backend Engineer

SmartCommerce

6d•$160,000 - $180,000•Remote

About The Position

SmartCommerce is looking for a Senior Software Backend Engineer to design, build, and maintain scalable backend systems spanning database architecture, middle-tier services, and data processing/ETL pipelines that power our commerce platform and client integrations. This role combines deep backend engineering with hands-on data engineering and stream processing responsibility, and serves as a senior technical contributor and production support owner for the systems they build.

Requirements

Bachelor's degree in Computer Science, Engineering, or a related technical field, or equivalent practical experience
8+ years of professional software engineering experience, with a strong focus on backend, database, and data processing systems
Strong proficiency in PHP, Node.js, and React.js
Deep experience with MySQL database design, optimization, and administration
Experience with Redis for caching and in-memory data structures
Hands-on experience with Kafka for stream processing and event-driven architectures
ETL/data pipeline experience using Airflow and Parquet file formats
Experience with AWS cloud infrastructure
Proficiency with AI coding tools (Claude, Cursor, Codex, Gemini, etc.)
Eligibility to work in the United States without sponsorship
Ability to pass background check

Nice To Haves

Experience with Apache Spark, Python, and Databricks
Experience with real-time stream processing frameworks

Responsibilities

Design, develop, and maintain backend services and APIs using PHP, Node.js, and React.js across the middle tier
Design and optimize database schemas and queries in MySQL, and implement caching strategies using Redis
Build and maintain ETL and data pipelines using Airflow, working with Parquet-formatted data feeding into Redshift and Databricks
Design and implement stream processing solutions using Kafka
Architect and operate scalable, high-availability systems deployed on AWS
Provide production support and participate in an on-call rotation as needed
Collaborate with cross-functional partners in Product, Data, and QA to translate requirements into technical solutions
Write clean, tested, well-documented code and actively participate in code reviews
Leverage AI coding tools (Claude, Cursor, Codex, Gemini, etc.) to accelerate development and improve code quality
Mentor other engineers on backend and data engineering best practices