Senior Software Engineer II - On-site, Ad Tech, Scale & Lead

LG Ad Solutions; Denver (CO); On-site; USD 162,000 - 231,000; Full time

Benefits offered by this job

Full medical coverage

Dental coverage

Vision coverage

401(k) match

Flexible PTO

Parental leave

Job summary

LG Ad Solutions is seeking a Senior Software Engineer II to join our engineering team in NYC or Denver. You will design and optimize large-scale ad serving, measurement, and targeting systems powering hundreds of millions in revenue. Expect leadership, mentoring, and cross-functional collaboration across global teams.

You will work with Product and Operations to build scalable solutions, leveraging Spark, AWS, and a modern data stack in a fast-paced, data-driven environment.

Qualifications

• Bachelor’s or Master’s degree in Computer Science, Engineering, or related field.
• 5+ years of experience building and maintaining large-scale software systems.
• Proficiency in Scala, Go, Python, C++, or JavaScript with strong CS fundamentals.
• Experience with Spark/Databricks, MySQL, Redis/ElastiCache, ReactJS, Kubernetes, and AWS.

Responsibilities

• Design, develop, and deploy scalable ad serving and measurement systems.
• Implement and optimize big data applications for performance and cost-efficiency.
• Lead projects end-to-end from requirements to delivery and maintenance.
• Mentor junior engineers through code reviews and design guidance.
• Promote engineering best practices and operational excellence.
• Collaborate with Product, Operations, and other teams on requirements and timelines.
• Coordinate with India-based teams to ensure successful project execution.

Skills

Scala

Go

Python

C++

JavaScript

Education

Bachelors or Masters in CS or related

Tools

Spark/Databricks

MySQL

Redis/ElastiCache

ReactJS

Kubernetes

AWS

Job description

LG Ad Solutions is seeking a Senior Software Engineer II to join our engineering team in NYC or Denver. You will design and optimize large-scale ad serving, measurement, and targeting systems powering hundreds of millions in revenue. Expect leadership, mentoring, and cross-functional collaboration across global teams.

You will work with Product and Operations to build scalable solutions, leveraging Spark, AWS, and a modern data stack in a fast-paced, data-driven environment.