Key Responsibilities:
- Lead and contribute to the development of the platform and its frontend, ensuring scalability, fault tolerance, high throughput, and long-term reliability.
- Design, implement and optimize low-latency services, APIs and modern frontend features that deliver a high-quality customer experience.
- Drive critical platform and frontend initiatives from design and prototyping through implementation, testing, rollout, and adoption.
- Identify and address technical debt, performance bottlenecks, and scalability risks before they impact customers.
- Champion architectural patterns and platform capabilities that improve developer velocity and operational reliability.
- Provide technical leadership by example: pair programming, leading design sessions, reviewing code, mentoring engineers, and fostering a culture of excellence.
Required Qualifications:
- 12+ years of professional software development experience, with strong proficiency in modern frontend languages (e.g. React, TypeScript) and a track record of building scalable systems using backend technologies such as Python, Go or Java.
- Experience building and modernizing complex SaaS frontends with a focus on maintainability, usability, accessibility, and performance.
- Hands-on experience with a major cloud platform (GCP, AWS, or Azure) for designing and operating production workloads.
- Proven track record of delivering distributed, high-performance, and highly reliable systems that operate at scale.
- Expertise in designing and scaling APIs (RESTful, gRPC, Thrift), including data modeling, error handling, performance optimization, and security best practices.
- Experience leading architecture and technical direction across multiple teams or product areas.
- Strong problem-solving skills, with the ability to anticipate and address scalability, reliability, and privacy challenges.
- Excellent collaboration and communication skills, with success working closely with product, engineering, and cross-functional stakeholders.
- Proven ability to mentor senior engineers and raise technical standards across an organization.
Preferred Qualifications:
- Experience designing real-time, low-latency, large-scale data processing systems.
- Knowledge of programmatic advertising or other high-throughput transactional platforms.
- Familiarity with CI/CD pipelines, infrastructure as code (Terraform, Helm), and advanced monitoring/observability tools (e.g. Grafana).
- Proven ability to introduce architectural patterns that improve developer velocity and system reliability.
- Experience using AI-assisted development tools to enhance productivity.
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What We Do
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. We’re an independent omni-channel supply-side platform (SSP) and a global leader in supply-side targeting, transparency, and sustainability. Through our 100% cloud-based tech stack, we power advertising across CTV, app, mobile web, and desktop, enabling publishers to deliver marketers with improved performance and dynamic future-proofed solutions. With a 17-year track record of programmatic innovation, we're a direct and trusted partner of the world’s largest publishers, working with more than 130,000 premium publisher domains and over 100,000 advertisers.
Why Work With Us
At OpenX, we value curiosity, innovation, and diversity. We are passionate about pushing the boundaries of ad tech and finding new ways to deliver value to our partners and we know our best chance of delivering is by creating diverse and inclusive teams where employees can do their best work being their authentic selves.
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