Full-time

Senior Software Engineer (JavaScript / Python / AWS)

Posted by Cognizant • Buenos Aires, Ciudad Autónoma de Buenos Aires, Argentina

📍 Buenos Aires, Ciudad Autónoma de Buenos Aires 🕒 February 23, 2026

About the Role

About the role

As a Software Engineer (JavaScript / Python / AWS), you will make an impact by designing, developing, and maintaining high‑priority features within a large‑scale cloud environment. You will be a valued member of the engineering team and work collaboratively with cross‑functional stakeholders in an agile setting.

In this role, you will:

  • Work primarily with modern vanilla JavaScript and Python, AWS services, Postgres, Elasticsearch, and Redis, while mentoring peers using these tools.
  • Maintain Production and Lower environment infrastructure, including applying security patches and managing service upgrades.
  • Work extensively with AWS services such as RDS Aurora Postgres, OpenSearch, ECS, SQS, and Elastic Cache Redis.
  • Own, implement, develop, and maintain complete high‑priority features with thorough testing.
  • Collaborate with a cross‑functional team in agile ceremonies (Scrum, Planning, Retros, an...

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