Staff Backend Engineer (GraphQL / AWS / Python)

Staff Fullstack Engineer (React / 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 Fullstack Engineer to lead the design and development of scalable, high-performance applications across the frontend and backend. This role combines hands-on technical leadership with strong expertise in modern frontend frameworks and cloud-native architectures on AWS . 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. Key Responsibilities Design, build, and maintain fullstack applications using React and Next.js . Develop scalable backend services using Python and AWS cloud services . Architect and implement serverless solutions leveraging: API Gateway AWS Lambda Step Functions Design and evolve microservices architectures and event-driven systems . Define technical architecture, ensuring scalability, reliability, and performance . Implement monitoring and observability using CloudWatch and CloudTrail . Collaborate with product, design, and engineering teams to deliver end-to-end solutions. Mentor engineers and promote engineering best practices and code quality . Participate in code reviews, system design discussions, and technical decision-making. Must-have Skills Bachelor’s Degree in Computer Science, Engineering, or a related field. 8+ years of experience in software engineering, including fullstack development. Advanced English level (written and spoken). Strong experience with React and Next.js . Solid backend development experience using Python . Proven expertise working with AWS cloud services , including: API Gateway AWS Lambda Step Functions Experience designing and implementing microservices architectures . Strong knowledge of event-driven architecture patterns . Hands-on experience with CloudWatch and CloudTrail for monitoring and logging. Strong understanding of distributed systems and scalable architecture design . 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. Experience in technical leadership roles (Staff/Principal level) . Familiarity with CI/CD pipelines and DevOps practices . Experience working in Agile environments . Exposure to modern frontend patterns (SSR, SSG, performance optimization). Experience working with distributed or global teams . 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 .