Software Engineer IV (Python) - OpenX

Job Title: Software Engineer IV (Python)
Job Location: US - Remote
Job Listing URL: https://jobs.lever.co/openx/94318780-46e9-421a-8065-6b83069b63be
Job Description: Company at a Glance
OpenX is focused on unleashing the full economic potential of digital media companies. We do this by making digital advertising markets and technologies that are designed to deliver optimal value to publishers and advertisers on every ad served across all screens.

At OpenX, we have built a team that is uniquely experienced in designing and operating high-scale ad marketplaces, and we are constantly on the lookout for thoughtful, creative executors who are as fascinated as we are about finding new ways to apply a blend of market design, technical innovation, operational excellence, and empathetic partner service to the frontiers of digital advertising.

We’re seeking a driven and experienced Software Engineer with strong full-stack expertise to join our talented, remote-first US team.

An ideal candidate is:
* Open-minded – Welcomes feedback, learns from failure, and adapts quickly to change.
* Proactive – Takes initiative to identify problems and drive thoughtful, effective solutions.
* Self-motivated & Organized – Manages priorities independently and follows through with clarity and accountability.

What your Team Does:
The Results by OpenX team works with Data Science and other Engineering teams to create and maintain the platform that enables our customers to utilize our growing suite of AI models. You will have the opportunity to work closely with a team of SWEs and SDETs focusing on different domains (both frontend and backend), making impactful changes to our products.
Key Responsibilities:
Apply strong understanding of system architecture and critical components to build scalable and maintainable software.
Design and build scalable, high-performance, distributed systems and APIs that orchestrate large-scale data flows.
Architect, create, and deliver new features and functionality
Work with Product to drive the requirements, and own the project end-to-end
Facilitate collaborative discussions with team members and stakeholders to identify and deliver the best solutions to user and business problems.
Analyze and improve the efficiency, scalability, and stability of servers and processes
Promote engineering excellence by writing clean, reusable, readable, and testable code following team coding standards.
Design for testability, and contribute to test plans by writing robust unit, component, and integration tests.
Required Qualifications:
8+ years of full-stack development experience with strong proficiency in Python and TypeScript for backend development.
Bachelor’s degree in Computer Science or equivalent experience; we’re open to non-traditional paths with strong engineering fundamentals
Experience with database system design
Act as a technical lead on medium to large-sized initiatives, coordinating efforts and ensuring delivery quality.
Ability to clearly articulate technical designs, trade-offs, and implementation details to teammates and stakeholders.
Proactively address technical debt and recommend refactoring strategies.
Proven ability to launch new products, with the ability to navigate ambiguity and break down complex problems into clear milestones.
Strong collaboration and communication skills, with experience working closely with product and design teams to deliver user-facing features.
Preferred Qualifications:
Background in digital media, marketing technology, or advertising technology
Strong understanding and application of data engineering and data warehousing best practices
Hands-on experience with Airflow and Dataform
Experience working in cloud-native environments (ask us about our migration to Google Cloud Platform!) using Kubernetes, Docker, and CI/CD pipelines.
Be excited to work with emerging technologies and complex projects
Fluently speak algorithms, data structures, and platforms
Proficiency with the Python Pandas library
Experience with modern frontend technologies like React
Experience working on platforms with multi-step workflows, complex data models, or user-facing configuration tools.
Familiarity with AI-assisted development tools like Cursor and Copilot