Senior Software Engineer

This role involves building and maintaining backend systems for Cardlytics' purchase-based advertising platform, focusing on scalable data processing and API development to handle transaction data and deliver targeted ads. Requires experience with Python, Java, and SQL.

This backend engineering role within Reddit's Ads organization focuses on building microservices, APIs, and distributed systems that power advertiser-facing products and ad delivery. The engineer will work on real-time data-intensive systems for campaign measurement and interactive ad experiences, using technologies like Go, Python, Scala, Spark, Kafka, and Kubernetes. Responsibilities include collaborating with product managers, improving operational stability, and owning features end-to-end.

This role architects and develops the core data platform processing over 1PB of daily data from billions of ad requests. The engineer builds scalable, high-performance features for the enterprise platform, ensuring reliability and optimal ad delivery through full-stack agile development from requirements to deployment.

This role focuses on backend engineering for AdiSON, an advertising technology service under NBT. Responsibilities include designing, developing, and maintaining backend systems to support the AdiSON platform, ensuring scalability, performance, and reliability. The engineer will collaborate with cross-functional teams to implement features and optimize system architecture.

This role leads a fullstack engineering team at Kayzen, a mobile DSP, focusing on building high-performance user interfaces for the programmatic advertising platform. The lead will be hands-on, driving technical strategy, mentoring engineers, and integrating AI-assisted development tools and LLM-based patterns into the team's workflow. Key responsibilities include managing project execution, ensuring high delivery velocity, and collaborating with product, design, and backend teams to deliver seamless, data-heavy UI experiences.

This Data Scientist role involves building and refining machine learning models for a mobile DSP handling billions of ad requests. The position focuses on model enhancement, algorithm development with the ML engineering team, data exploration, and A/B testing. Requires at least 3 years of experience with Python, Spark, Hadoop, Airflow, Docker, SQL, and familiarity with gradient boosting trees; ad-tech experience is mandatory.

This role owns the go-to-market for performance media buyers at Kayzen, an in-app DSP. The lead will build relationships, close deals, and represent the company at industry conferences, focusing on EMEA and US markets. Requires deep understanding of performance advertising, technical concepts like ad tracking and postbacks, and proficiency with AI tools.