Senior Software Engineer

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.

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Senior Full-Stack Developer

About Nexxen

Nexxen is a unified advertising technology platform connecting buyers, sellers, and brands through data-driven solutions across screens.

What will you do

• You will be responsible for owning our end-to-end development process, from design to production, contributing to platform infrastructure and architectural decisions, and help driving best practices in system design, code quality and AI-assisted development.
• You will design and implement scalable backend services in Java (Spring Boot) and NestJS (Node.js/TypeScript), build RESTful and event-driven APIs, and develop reliable systems supporting publishers management, bidding logic, reporting, and customer-facing dashboards.
• You will build and maintain modern frontend applications using Angular (15+), ensuring seamless integration with backend services and consistent UX performance.
• You will engage in research of core technologies, integrations with external APIs and third-party services, and provide effective solutions to production and scalability challenges.
• You will write high-quality, testable code (unit, integration, E2E), improve observability (logs, metrics, tracing), and actively participate in design reviews and technical discussions.
  
  

• 5+ years of experience developing enterprise web applications and distributed systems in production
• Experience designing and implementing scalable web system architectures
• Solid understanding of REST APIs, async processing, and clean architecture principles
• Experience monitoring, debugging and supporting production systems
• Experience with Java (Spring Boot)
• Experience with Node.js (TypeScript, NestJS) – advantage
• Experience with modern UI frameworks (Angular, Vue, React) – big advantage
• Experience with relational and non-relational databases (MySQL, Vertica, Redis, Elasticsearch)
• Highly motivated team player with strong interpersonal skills and a “can-do” attitude
• Self-starter, able to work independently and multitask effectively
• Passionate about learning new technologies
• BSc in Computer Science or equivalent