Description
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 integral 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 arch

📌 Software Engineer (Buenos Aires)
🏢 Workana
📍 Buenos Aires