Ssr Software Engineer

We are looking for a Software Engineer II/III (Backend Focus) to join our client’s Social Engineering team, responsible for designing, building, and scaling high-load backend systems that process billions of transactions per day . This is a direct-hire role within a global engineering organization of 900+ people , collaborating with teams in the US, Israel, and the UK . You will work on end-to-end development, modern architectures, microservices, cloud environments, and large-scale performance challenges. The Social team works primarily with Python and its modern ecosystem , building mission-critical systems across Innovid’s global ad-tech platform. Responsibilities Design and develop critical backend services , infrastructure components, APIs, and core modules. Build and maintain microservices on AWS , ensuring scalability, resiliency, and high availability. Develop systems capable of supporting billions of daily transactions in distributed environments. Ensure production readiness, including performance, observability, stability, and incident ownership . Lead software design efforts and contribute to architectural decisions. Participate in end-to-end development : design, coding, testing, deployment, and monitoring. Collaborate closely with Product, Engineering Managers, and cross-functional R&D teams. Influence engineering standards, best practices, and overall technical excellence. Mentor teammates and contribute to a developer-centric culture of quality and ownership. Education & Language Advanced student or graduate in Computer Science, Software Engineering, or related fields (mandatory). Advanced English — fluent communication with global teams (mandatory). Technical Experience 2+ years of software development experience for level II, or 4–5+ years for level III. Experience building SaaS, cloud-based products . Strong experience with microservices and distributed architectures . Hands-on experience with Linux/Mac terminal in production environments. Strong command of Git and modern development workflows. Experience with at least one modern backend language:Python, Java, Scala, Kotlin, PHP, JavaScript/Node.js, or React . Excellent analytical skills and ability to solve complex engineering problems. Strong communication skills in multidisciplinary teams. Nice to Have Experience with Flask, FastAPI, Celery, SQLAlchemy , or Boto3. Experience with AWS, Docker, Kubernetes . Background in full-stack development with React . Open-source contributions. Tech Stack Backend: Python, Flask, FastAPI, CeleryInfra: AWS, Docker, KubernetesORM / DB: SQLAlchemy, Boto3, relational databasesFrontend (optional): ReactMethodology: CI/CD, developer-centric workflows, continuous deployment Company Industry AdTech / Video / Connected TV (CTV) Innovid enables global brands to create, deliver, measure, and optimize interactive and dynamic video experiences across CTV, mobile apps, web, and social platforms. Salary: ARS 3.500.000 – 4.200.000 brutos (mensual) Monthly Inflation updates (according to PC) Lunch Credit OSDE 410 as medical assurance English lessons Gym coverage (SportClub 90% discount) Internet coverage (+35k) 1 extra paid month for primary & secondary birthing caregivers Learning & Development - Tools and Training Hybrid & flexible working model - nice offices in CABA with endless snacks & beverages High visibility roles with a tremendous amount of growth potential Global team and cross-company collaboration, unlike anywhere else #J-18808-Ljbffr