Backend Engineer

Description We're seeking an experienced Senior Backend Engineer to join our AI Platform & Cloud Infrastructure team. This role will focus on building scalable cloud infrastructure, AI-powered automation systems, and integration platforms that power our core business applications. In this role, you will be taking ownership on multiple back-end services, where you will orchestrate between maintaining current projects, implementing new features and capabilities, solving production-issues when needed and provide a technical focal point in the team for bridging the gap between the different roles. In addition, you will take part in the adoption and integration of new AI Tools and workflows in the team. Responsibilities End2End ownership on all backend infrastructure & applicative environment for OnePlatform. Design and develop serverless applications and microservices on AWS. Build and maintain AI agent platforms and automation workflows. Integrate third-party services and webhooks. Implement monitoring, alerting, and observability solutions. Write comprehensive tests and maintain high code quality standards. Collaborate on infrastructure-as-code and DevOps practices. Be a knowledge lead cross roles (software engineers, data, devops & business side). Requirements 3+ Years of experience in RnD roles. Extensive AWS experience, Mostly in: Lambda, S3, DynamoDB, CloudFormation, CloudWatch, ECS, VPC, Infrastructure-as-code. Strong proficiency in TypeScript/JavaScript (Node.js)/Python for Backend service, React & Next.js for frontend.. Workflow Orchestration: ability to design complex, multi-tenant agentic workflows and manage production-grade orchestration. Heavily focused on clean development process including: Best-practices approach, Test-driven development, CI/CD Pipelines, proper documentation. Be able to communicate proficiently with stakeholders, driven by data. Experience running production systems at scale Modern full-stack development capabilities. Advantages Experience building AI-powered platforms or agents Background in advertising technology or data platforms Docker containerization. Contributions to open-source projects Experience with performance optimization and monitoring Knowledge of modern DevOps practices