Software Engineer (Level 2 & 3)

Location: Buenos Aires, Buenos Aires, Argentina

Department: Workana B2B LATAM

Workplace: hybrid

Employment Type: full

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 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)