Senior Software Engineer

Senior Software Engineer

At AppNexus, data analysis and forecasting is our bread and butter – we process, inspect, and analyze billions of ad events nightly to provide unparalleled forecasting for some of the world’s top publishers. Our platform must constantly evolve, and we’re searching for an engineer to contribute to handling these Internet-scale problems. You will need to keep abreast of the latest technologies to handle large data problems and quickly determine applicability. A background in mathematics or machine learning is also preferred.

About the team:

The Louisville team is focused on developing our Publisher platforms, including the industry-leading AppNexus Yieldex Analytics product. This platform provides inventory management, forecasting, and satisfies guaranteed advertising sales needs for the world’s largest digital publishers. We're proud of our highly collaborative, results-oriented, drama-free work environment. Every day we grapple with fascinating software architecture questions on a global platform that operates at massive scale. Our goal is to provide a collaborative work environment so you can write the best software of your career.

About the job:

  • Operate as a technical leader and be able to switch between individual contributor and mentor roles with ease
  • Write high performance code where microseconds matter
  • Design and implement large scale computing solutions, with the ability to think at a macro level
  • Work closely with other engineering teams to realize and implement the next evolution of our forecasting and analytics platform
  • Identify opportunities to apply machine learning methodologies to solve new problems


About your skills:

  • BA/BS degree and 5+ years of software engineering experience (degree in Computer Science and/or minor in Math is preferred)
  • Experience designing and implementing web-scale distributed systems
  • Experience with batch and stream processing frameworks
  • Detailed knowledge of Java
  • Experience with machine learning


More about you:

  • You are passionate about a culture of learning and teaching. You love challenging yourself to constantly improve, and sharing your knowledge to empower others
  • You like to take risks when looking for novel solutions to complex problems. If faced with roadblocks, you continue to reach higher to make greatness happen
  • You care about solving big, systemic problems. You look beyond the surface to understand root causes so that you can build long-term solutions for the whole ecosystem
  • You believe in not only serving customers, but also empowering them by providing knowledge and tools


AppNexus is proud to offer equal opportunity in all aspects of employment. We strive to foster a diverse, inclusive and engaging work environment. We welcome applications from all candidates and look forward to receiving yours! Our inclusivity in action:
  • Partnering with Path Forward to offer returnships to help caregivers reenter the workforce
  • Sharing feedback openly through roundtable discussions on how to make progress on our Diversity & Inclusion goals
  • Galvanizing diversity and inclusion through our affinity groups (including OutNexus, AppNexus Women’s Network, AppNexus Latino Alliance and BlackNexus to name just a few!)
  • Partnering with Fairygodboss to support our commitment to women’s advancement in tech
  • Providing reasonable accommodations for persons with disabilities, both for interviewees and for employees. Should you require an accommodation, please let us know at your earliest convenience so that we may make arrangements


Back to top