Senior Software Engineer New Buenos Aires

Innovid is the leading independent omnichannel ad tech platform, empowering marketers to create, deliver, measure, and optimize ad-supported experiences that people love. In 2025, Innovid and Flashtalking merged to create a transparent, scalable alternative to big-tech, walled-gardens, and point solutions across CTV, digital, linear, and social channels. As part of Mediaocean, Innovid is tied into the industry’s core ad infrastructure for omnichannel planning, buying, and billing.
We are proud to lead the industry with our innovation, intelligence, and independence as the company best-suited to power the future of advertising.

We're looking for a top-notch, passionate Sr Software Engineer to be part of our world-class R&D team. We're an advertising technology company that ingests roughly 1 billion (1000M) ad impressions per day - around 500GB of data daily - into a processing system that derives performance metrics for our clients. As part of this role, you need to understand and analyze heavy usage applications architecture and their performance including getting a deep understanding of the business workflows behind them. The next step after understanding the challenge's scope is to design, build (hands-on) the suggested solution, test and deploy it to production. All done in a continuous development and deployment environment. Now you will need to guide and help developers across multiple teams adopt your solution. If you think you can handle a wide range of technologies, play and lead an important role in the design and analysis of software projects, create new applications or improve existing ones, evaluate application technologies, develop product prototypes and implement it in different parts of our product, please contact us!

The Impact You'll Make

• Design and implement major aspects of the architecture of applications, including components such as infrastructure, backbone services and user interface
• Lead by example the development of modules for a high-end product that processes over 1 billion transactions a day
• Architect and evolve systems for high-throughput data ingestion and processing, handling several hundred gigabytes of data daily
• Design and develop viable solutions for various systems and architectures to different types of Innovid business aspects
• Deploy your solutions to production in a continuous manner
• Be responsible for the well-being of Innovid applications in production
• Work with R&D managers to define, prioritize and finalize development standards
• Oversee the Design Process for Application Software
• Provide technical training, support, and training to R&D developers

What You'll Bring to Us

• Bachelor in computer science or a related discipline - it's a must
• At least 3+ years with demonstrated large-scale system experience (5+ years preferred)
• Experience processing large volumes of data in production systems
• Solid understanding of load distribution, data storage strategies, and system architecture at scale
• Strong analytical, creative, problem-solving and critical thinking skills
• Understanding of design and production procedures and standards to create prototypes and finished products
• Experience with large scale performance issues
• Experience with Snowflake, PostgreSQL, MongoDB - an advantage
• Experience with dataframes, map-reduce, Spark, Pandas, Polars - an advantage
• Experience with workflow management tools like Argo/Airflow - an advantage
• Experience in Python, TypeScript (React and Node.js) - an advantage
• Experience with web server or client side development - an advantage
• Must have a passion for technology and quality
• Good analytical and communication skills

There is no such thing as the perfect resume, or someone that checks every box. At Innovid, we are generous with our time and knowledge, and always ready to teach. So however you identify and whatever background you bring with you, please apply if this is a role that would make you excited to come into work every day and add to Innovid.

Equal Opportunity Employer: Innovid is an equal opportunity employer, committed to our diversity and inclusiveness. We consider all qualified applicants regardless of race, color, nationality, gender, gender identity or expression, sexual orientation, religion, disability or age. We strongly encourage women, people of color, members of the LGBTQIA community, people with disabilities and veterans to apply. We are actively working to be an anti-racist organization. We're committing to creating an inclusive and equitable workplace for all of our employees. You can read more about our commitment to DEI here .

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