Staff Backend Engineer (GraphQL / AWS / Python)

Wizeline·Colombiasenior

In short

→Ingeniero backend principal que diseña arquitecturas escalables en AWS con Python y GraphQL.
→Desarrolla microservicios event-driven, prioriza seguridad con OAuth y OBO, y monitorea sistemas con CloudWatch.
→Destacado: Requiere certificación AWS Solutions Architect o experiencia equivalente y demostrable.

Proficiency in English is required for collaboration with global teams.

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What they ask for

✓Certificación AWS Solutions Architect activa o experiencia experta verificada.
✓Experiencia/demostrable en desarrollo de microservicios con Python y FastAPI.
✓Conocimiento profundo de GraphQL y arquitectura event-driven.
✓Habilidades sólidas en seguridad web y OAuth con flujos On-Behalf-Of.
✓Experiencia en diseño e implementación de infraestructura serverless en AWS.
✓Capacidad para liderar arquitectura, mentoría técnica y estandarización de buenas prácticas.

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AWSLambdaStep FunctionsAPI GatewayIAMCloudWatchCloudTrailPythonFastAPIGraphQL

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Staff Backend Engineer (GraphQL / AWS / Python) We are: Wizeline is a global AI-native technology solutions provider that develops cutting-edge, AI-powered digital products and platforms. We partner with clients to leverage data and AI, accelerating market entry and driving business transformation. As a global community of innovators, we foster a culture of growth, collaboration, and impact. With the right people and the right ideas, there’s no limit to what we can achieve. Are you a fit? Sounds awesome, right? Now, let’s make sure you’re a good fit for the role. We are looking for a Staff Backend Engineer to lead the design and development of scalable, high-performance applications across the backend. You will play a key role in defining system architecture, mentoring engineers, and driving best practices, while collaborating closely with cross-functional teams to deliver impactful digital products. This is a hybrid position based in Medellín or Bogotá , offering a balance between onsite collaboration and remote flexibility. • AWS Architecture (Mandatory): Act as the core AWS Architect— must hold an active AWS Solutions Architect Certification or equivalent expert-level verified experience. Design and optimize secure serverless infrastructure using API Gateway, Lambdas, Step Functions, and strict IAM Policies. • Backend & APIs: Build high-performance microservices using Python (FastAPI) and GraphQL under an Event-Based Architecture . • Integrations & Security: Implement secure web flows and advanced OAuth architectures, focusing on On-Behalf-Of (OBO) user permission flows with external services. • Observability: Maintain system health and logs using AWS CloudWatch and CloudTrail. Technical Requirements • Expert knowledge of AWS (Lambda, Step Functions, API Gateway, IAM, CloudWatch/Trail). • Strong production experience with Python and modern web frameworks (FastAPI preferred). • Deep understanding of GraphQL , Microservices, and Event-Driven design. • Proven experience handling advanced web security and OAuth / On-Behalf-Of flows. Nice-to-have • AI Tooling&

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