Senior Backend Developer

Senior Backend Developer Location: Bogotá, D.C., Capital District, ColombiaEmployment Type: Full-time About the Role We are looking for a highly experienced Senior Backend Developer with deep expertise in Python and microservices architecture, strong knowledge of distributed systems design, and proven experience with cloud infrastructures (AWS and Azure). The ideal candidate understands modern software architecture, how platform components interconnect, and can design scalable, secure, and maintainable solutions from scratch. This role requires technical autonomy, systemic thinking, and a mindset focused on performance and code quality. Key Responsibilities Design and maintain decoupled, resilient, and scalable microservices ensuring high availability and performance. Implement distributed architectures and service-oriented design patterns (SOA, DDD, CQRS, Event Sourcing). Develop secure and optimized REST and GraphQL APIs. Implement advanced authentication and authorization (JWT, OAuth2, OpenID Connect). Design cloud-based solutions (AWS and/or Azure), including deployments, networking, security, and auto-scaling. Integrate cloud services (S3, ECS, Lambda, Azure Functions, App Service, etc.). Build robust and automated CI/CD pipelines. Design and maintain messaging and queue systems (Kafka, RabbitMQ, SNS/SQS, Azure Service Bus). Collaborate closely with frontend, QA, and DevOps teams for efficient delivery. Apply SOLID, Clean Architecture, and KISS principles for maintainable and clear code. Conduct code reviews, mentor team members, and promote world-class engineering standards. Languages & Frameworks Expert-level Python (async, concurrency, performance optimization, design patterns). Frameworks: FastAPI, Flask, or Django REST Framework. Advanced knowledge of typing, testing, profiling, and refactoring. Architecture & Cloud Proven experience with AWS (ECS, EKS, Lambda, S3, RDS, API Gateway, IAM). Proven experience with Azure (App Service, Azure Functions, Cosmos DB, Service Bus, DevOps Pipelines). Distributed, scalable, and secure architecture design. Infrastructure as Code (Terraform, CloudFormation, Bicep). Implementation of circuit breakers, health checks, and fallback patterns. DevOps & Microservices Containerization with Docker and orchestration with Kubernetes. CI/CD with GitHub Actions, GitLab CI, or Azure DevOps. Observability tools: Prometheus, Grafana, Loki, ELK, or Datadog. Event-driven systems and asynchronous messaging (Kafka, RabbitMQ, SNS/SQS). Databases PostgreSQL, MySQL (normalization, indexing, query optimization). MongoDB, Redis, DynamoDB, CosmosDB (NoSQL and caching). ORM: SQLAlchemy, Prisma, or Tortoise ORM. Security & Best Practices Secret management and environment variables. OWASP practices, rate limiting, CORS, input sanitization. Secure horizontal/vertical scaling strategies. Ideal Profile 6+ years of backend development experience with Python and 2 years leading tech teams. Strong foundation in software architecture and distributed systems. Experience designing solutions in multi-cloud environments (AWS + Azure). Ability to lead technical decisions and guide the team. Familiarity with Scrum or Kanban methodologies. Excellent communication and technical documentation skills. High analytical ability, critical thinking, and ownership mindset. Soft Skills Business-oriented technical mindset. Technical leadership and mentoring capability. Clear and proactive communication. Continuous improvement and learning attitude. Ability to work under agile methodologies with a focus on value delivery. Apply Now and join a team committed to building scalable, secure, and innovative solutions IQVIA is a leading global provider of clinical research services, commercial insights and healthcare intelligence to the life sciences and healthcare industries. We create intelligent connections to accelerate the development and commercialization of innovative medical treatments to help improve patient outcomes and population health worldwide. Learn more at #J-18808-Ljbffr