Senior Python Engineer

This is a fully remote position as a full time Colombia employee paid in COP. This requires a minimum of a B1 English comprehension, please be sure to apply with your English CV. About Us Blankfactor is a global technology company that builds impactful digital products and solutions for clients across different industries. As part of Globant, we work with strong engineering teams, modern technologies, and a culture focused on collaboration, innovation, and continuous growth. About the Role We are seeking a Senior Python Developer to design, scale, and optimize high-performance backend systems and serverless architectures. In this role, you will lead the development of modern RESTful APIs using FastAPI and leverage AWS cloud services—with a heavy emphasis on AWS Lambda—to build event-driven microservices. You will work closely with cross-functional engineering teams to write clean, asynchronous Python code, streamline data flows, and ensure our cloud infrastructure remains resilient, secure, and highly scalable. Key Responsibilities API Development & Integration: Design, implement, and maintain high-throughput, low-latency RESTful APIs and web services using FastAPI and modern asynchronous Python.Serverless Architecture: Architect and deploy serverless components using AWS Lambda, EventBridge, API Gateway, and SQS/SNS to drive event-driven backend workflows.Cloud Infrastructure: Leverage core AWS services (e.g., S3, DynamoDB, RDS, CloudWatch) to build secure, reliable, and cost-optimized cloud-native applications.Code Quality & Automation: Enforce software engineering best practices through comprehensive unit/integration testing (pytest), code reviews, and automated CI/CD pipeline integration.Performance Optimization: Profile applications, resolve performance bottlenecks, and optimize asynchronous tasks and database queries for maximum speed and execution efficiency.Collaboration & Technical Ownership: Partner with solution architects, DevOps engineers, and product managers to translate complex technical requirements into production-ready software. Qualifications Experience: 5+ years of enterprise backend software development experience using Python (Python 3.10+).Framework Expertise: Deep hands-on experience building production APIs with FastAPI (including Pydantic, async/await concurrency, and Dependency Injection patterns).AWS & Serverless: Strong track record designing, deploying, and managing serverless applications on AWS, specifically using AWS Lambda and serverless execution models.Data & Persistence: Solid proficiency with relational databases (PostgreSQL, MySQL) using ORMs like SQLAlchemy or Tortoise, alongside NoSQL databases like DynamoDB.Education: Bachelor’s degree in Computer Science, Software Engineering, or a related technical field (or equivalent professional experience). Skills & Competencies Python Mastery: Advanced understanding of asynchronous programming (asyncio), type hints, data structures, and object-oriented design patterns.Cloud Tools & IaC: Familiarity with AWS deployment frameworks (AWS SAM, Serverless Framework, CDK) or Infrastructure as Code tools (Terraform).Containerization & CI/CD: Solid grasp of Docker for local development and experience executing build/deployment pipelines via GitHub Actions, CircleCI, or similar tools.Security & Auth: Understanding of API security protocols, including OAuth2, JWT authentication, CORS, and AWS IAM policies.Problem Solving & Teamwork: Excellent analytical and debugging skills paired with strong communication and collaborative decision-making abilities.