Senior Software Engineer

OUTFRONT Media is one of North America’s most innovative media companies, seeking a Senior Software Engineer to lead the development of multiple products within their modern advertising platform. This role involves hands-on coding, technical ownership, and mentoring junior engineers while working on the transformation of legacy systems into a cloud-native architecture.

Responsibilities:

• Design, build, and maintain scalable APIs and microservices across multiple products and services, including lease management, pre-sales, contract, inventory, order, creative, planning/delivery, billing/revenue recognition, reporting, and DOOH workflows
• Lead the modernization of legacy systems (AS400/mainframe) into cloud-native, domain-driven microservices
• Build and operate event-driven systems using Kafka for real-time processing and system communication
• Lead the integration of third-party SaaS platforms and external systems into our cloud ecosystem
• Architect distributed systems for high availability, scalability, modularity, and fault tolerance
• Define and enforce service contracts and communication protocols (REST and GraphQL)
• Design and implement low-latency, high-throughput systems supporting business-critical workflows
• Work with core data stores and caching systems, including: PostgreSQL, MySQL, Redis, DynamoDB (or similar NoSQL systems)
• Contribute to frontend development using React or Vue.js where applicable
• Deploy and operate services on Kubernetes (EKS/Fargate) using Terraform and Helm
• Implement and enhance observability, including: Custom metrics and instrumentation, Integration with CloudWatch, Integration with Datadog or Grafana, Prometheus
• Mentor and upskill junior engineers through code reviews, pair programming, and knowledge sharing
• Collaborate with cross-functional teams to align on technical strategy and product goals
• Assist with system design and architecture and contribute to long-term platform vision and decision-making
• Help maintain high standards for interviewing, hiring, and onboarding processes
• Ensure CI/CD best practices and system reliability
• Promote engineering excellence through documentation, testing, and continuous improvement

Requirements:

• 7–12+ years of software engineering experience, including enterprise-scale systems
• Proven experience owning and delivering multiple backend services or products
• Strong proficiency in Java (Spring Boot preferred) or similar backend technologies
• Deep understanding of distributed systems, microservices, and event-driven architecture
• Experience with Kafka or similar messaging/streaming platforms
• Experience building scalable, high-performance systems
• Experience with AWS cloud platform (preferred) (Experience with GCP or Azure is also acceptable)
• Hands-on experience with Docker and Kubernetes
• Experience working with relational and NoSQL databases (PostgreSQL, MySQL, Redis, DynamoDB or similar)
• Strong knowledge of API design, authentication/authorization (OAuth, JWT), and versioning
• Experience with infrastructure as code (Terraform) and deployment tooling (Helm)
• Experience implementing monitoring and observability solutions (Datadog, Grafana, Prometheus, CloudWatch, etc.)
• Demonstrated ability to mentor junior engineers and foster team growth
• Excellent communication skills in remote-first environment
• Master's degree or higher in Computer Science, Software Engineering, or a related field
• Experience in DOOH platforms or enterprise sales/order management systems
• Experience with AdTech or ad server ecosystems
• Experience with legacy modernization (AS400, mainframe → microservices)
• Experience with Lease Management or asset-based systems