WIZELINE
WIZELINE

Staff Backend Engineer (GraphQL / AWS / Python)

TLDR

Lead scalable, high-performance backend development using Python (FastAPI) and GraphQL on an AWS-based architecture.

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 Proficiency: Leverage one or more AI tools to optimize and augment day-to-day work, including drafting, analysis, research, or process automation. Provide recommendations on effective AI use and identify opportunities to streamline workflows.
  • Hands-on experience integrating AI workflows, LLMs, and RAG pipelines.

 

What we offer:

 

  • High-Impact Environment
  • Commitment to Professional Development
  • Flexible and Collaborative Culture
  • Global Opportunities
  • Vibrant Community
  • Total Rewards

 

*Specific benefits are determined by the employment type and location.

Find out more about our culture here.

Benefits

Learning Budget

Commitment to Professional Development

Total rewards

Remote-Friendly

Flexible and Collaborative Culture

Wizeline is a global technology services provider that builds AI-powered digital products and platforms for mid-size to Fortune 500 companies. We focus on modernizing core technologies and enhancing user experiences, enabling our clients to leverage data and artificial intelligence for business transformation and faster market entry.

Founded
Founded 2014
Employees
500+ employees
Industry
information technology and services
Total raised
$110M raised
View company profile
Report this job
Apply for this job