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. Requirements Education & Language - Estudiantes avanzados/as o graduados/as en Ingeniería en Sistemas, Computación, Electrónica o Informática / Licenciatura en computación. (Excluyente) - 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, Celery Infra: AWS, Docker, Kubernetes ORM / DB: SQLAlchemy, Boto3, relational databases Frontend (optional): React Methodology: 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. Benefits - 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 Esta posición es híbrida en Parque Chas (Excluyente)