WIZELINE

Staff Backend Engineer (GraphQL / AWS / Python) at WIZELINE (Colombia)

WIZELINE· Colombia·

Job description

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:

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

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

Find out more about our culture here.

Why work at WIZELINE

  • Culture: “A global community of innovators, problem‑solvers, and lifelong learners” – strong emphasis on growth, collaboration, and belonging
  • Remote & Flexibility: Remote‑friendly with flexible work policy; physical offices in SF, Mexico City, Guadalajara, Barcelona, and Ho Chi Minh City
  • Perks:
    • Competitive compensation and total rewards
    • Health benefits and wellness programs
    • Savings & retirement plans
    • Global mobility opportunities
    • Free certifications (cloud, coding) through WizeAcademy
    • Happy hours, gaming tournaments, sports activities
  • Recognition:
    • HRC Best Places to Work for LGBTQ+ (2019–2024)
    • Expansión Super Empresas (2020–2023)
    • Expansión Super Espacios de Trabajo (2020–2021)

Application questions