Desarrollador/a Back-end Python (AWS)

Worldwide | Nov. 12, 2026

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Company: 42Labs

Country: Worldwide

Type: Remote

Employment: Full-time

Description: At 42Labs, we not only develop technology, we build solutions where the technical and the human go hand in hand, we learn, collaborate and celebrate

We are 42Labs!

A technology company specialized in accompanying organizations in the financial and services sector in their digital transformation processes. We are motivated to solve complex challenges with committed teams, work well done and a collaborative environment that puts people at the center.
We are looking for your talent as a Technical Lead (OAuth2.0) so that you can be part of our team!
What should you have to apply for the position?
Really looking forward to participating in a collaborative team, with a positive attitude towards changes and challenges, customer-oriented, creative and that never stops learning.

• We are looking for a person with 3+ years of professional experience with Python in productive environments. Advanced SQL and experience designing relational schemas are required.
• In addition, we will need you to have demonstrable experience deploying and operating real loads on AWS. You should know event-driven patterns, asynchronous messaging, and serverless or container-based architectures.
• It is important that you feel comfortable with Docker, Git and agile methodologies.
• We will especially value teamwork and communication skills: we will collaborate closely with product, frontend and data, so we will need you to be able to align technical objectives, raise risks in advance and maintain focus on quality (testing, observability, security) throughout the delivery cycle.

We are 42Labs!

A technology company specialized in accompanying organizations in the financial and services sector in their digital transformation processes. We are motivated to solve complex challenges with committed teams, work well done and a collaborative environment that puts people at the center.
We are looking for your talent as a Python & AWS Developer so that you can be part of our team!
What should you have to apply for the position?
Really looking forward to participating in a collaborative team, with a positive attitude towards changes and challenges, customer-oriented, creative and that never stops learning.

• Design and implementation: Develop services and APIs in Python (FastAPI / Flask / Django) following good testing, observability and CI/CD practices.
• Databases: Model, optimize and maintain relational databases (PostgreSQL, MySQL) and NoSQL (DynamoDB, MongoDB). Include query tuning, indexes and migrations.
• AWS Infrastructure: Build and operate on Lambda, ECS/Fargate, API Gateway, S3, SQS/SNS, EventBridge, RDS/Aurora, DynamoDB, Step Functions and CloudWatch.
• IaC and deployment: Define infrastructure with Terraform or AWS CDK and automate deployments through pipelines (GitHub Actions, CodePipeline).
• Quality: Implement unit and integration tests, perform code review and contribute to continuous improvement of performance and safety.

• Health and comprehensive protection: complementary health, dental, life and catastrophic insurance 100% financed by us (with the option to extend to your family). In addition, we are integrated into the benefits network of Caja Los Andes and the ACHS.
• Support for your lifestyle: monthly bonuses for your internet connection and your favorite leisure platforms. Bonuses on National Holidays and Christmas.
• Time and flexibility: Flexi Days and Party Time (free afternoons). We celebrate your birthday with a free afternoon and allow extra time for milestones such as marriage, birth of children or degree exams.
• Growth and community: 42Labs Academy, personalized development plans and access to Udemy Business. We stay connected on Discord and strengthen ties at PartyTwoLabs (in-person meetings).

• Experience integrating systems based on LLMs: orchestration of prompts, RAG, embeddings and vector stores (pgvector, OpenSearch, Pinecone), use of Amazon Bedrock, frameworks such as LangChain or LlamaIndex.
• Knowledge of the pro

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