Who is Nexxen?
Flexible advertising, unified by data. Nexxen empowers advertisers, agencies, publishers and broadcasters around the world to utilize data and advanced TV in the ways that are most meaningful to them. Our flexible and unified technology stack comprises a demand-side platform (“DSP”) and supply-side platform (“SSP”), with the Nexxen Data Platform at its core.
Who is Nexxen?
Flexible advertising, unified by data. Nexxen empowers advertisers, agencies, publishers and broadcasters around the world to utilize data and advanced TV in the ways that are most meaningful to them. Our flexible and unified technology stack comprises a demand-side platform (“DSP”) and supply-side platform (“SSP”), with the Nexxen Data Platform at its core.
Why join the Nexxen team?
With a global footprint, you can be part of a team that is transforming advertising through our creative, flexible and unified solutions. Employees hustle, commit and dedicate themselves to pillars that make up the Nexxen Way – the 3Cs - Customer Centric, Curious Mindset, Collaborative with No Ego.
Important Notice from Nexxen: Your Safety Matters
At Nexxen, we care about the well-being of our current and future employees. We are aware of the growing number of online scams and fraudulent job postings, and we urge all job seekers to remain vigilant. Please be advised that Nexxen will never request payment (whether in cash, cryptocurrency, or any other form) as a condition of employment, offer positions that require you to invest in vague or dubious financial schemes, or promote roles that resemble get-rich-quick opportunities. If you receive a suspicious message claiming to be from Nexxen or encounter a questionable job posting associated with our name, please contact us at to verify its legitimacy. Your trust is important to us. Stay safe and informed.
Nexxen Fraud Alert and Notice: Protect Yourself from Impersonation and Fraudulent Activity
We are seeking a Senior Software Engineer to design and build core components of our Demand Side Platform (DSP) that powers real-time programmatic advertising. The role focuses on developing high-throughput, low-latency distributed systems capable of processing billions of bid requests per day while delivering optimized bidding decisions within strict latency constraints. You will experiment with new and innovative technologies designed for Programmatic Ad serving and Ad Tech solutions. You will work on the core bidding infrastructure, targeting systems, and integrations with supply partners to drive efficient ad delivery and maximize campaign performance.
This role will be based in our NY or Baltimore local office. Our team follows a hybrid schedule, working in the office three days a week and remotely for the rest.
What You’ll Do
- Design and develop high-performance distributed systems handling large-scale
- Build and optimize real-time bidding (RTB) services that evaluate targeting rules,
- Architect microservices and event-driven systems that support billions of daily ad
- Build systems to support server-side auctions and bid optimization strategies.
- Integrate with external Supply Side Platforms (SSPs), exchanges, and ad servers
- Develop robust APIs and connectors for partner integrations and supply
- Troubleshoot and optimize integration performance with external ad tech
- Optimize systems for extreme throughput, low latency, and high reliability.
- Implement efficient caching layers and in-memory data stores using technologies
- Monitor and improve system performance through observability, load testing, and
- Collaborate with product managers, ad operations, and partner engineering teams
- Provide technical leadership in architecture reviews, system design, and
- Mentor junior engineers and contribute to engineering best practices across the
- Develop and maintain reliable, scalable, and efficient backend services using
- Write high-quality, well-tested code that is maintainable and adheres to best
- Analyze data to drive decision making and assess the impact of system changes.
- Take ownership of your personal development by keeping up with the latest
development process and share knowledge within the team
- Follow agile methodologies and work in a fast-paced environment where results are
What You’ll Bring
- 5+ years of software engineering experience building large-scale distributed
- A history of successfully taking ownership of features/functionality and delivering
- Strong programming skills in languages such as Java, Scala or Similar language.
- Experience building low-latency, high-throughput services handling large
- Familiarity with programmatic advertising ecosystems, including DSP, SSP, and
- Experience implementing or integrating real-time bidding (RTB) protocols.
- Solid understanding of distributed systems concepts such as horizontal scaling,
- Familiar with real-time streaming technologies like Kafka or Kinesis
- Familiar with Docker and Kubernetes for containerization and orchestration
- Practical experience working with SQL and relational databases (RDBMS), as well
- Experience with microservices architectures, REST/gRPC APIs, and
- Strong debugging and performance optimization skills.
- Comfortable using version control systems like Git and managing CI/CD pipelines
- Experience working within a Linux environment
- Strong verbal and written communication skills
- Strong analytical and problem-solving abilities
For information about how we handle your personal information please view our Applicant and Candidate Privacy Notice
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