Software Engineer (Level 2 & 3)

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)