Lean Tech

Senior Fullstack Engineer

Lean Tech  •  Colombia, CO (Onsite)  •  7 days ago
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Job Description

We are seeking a Senior Fullstack Engineer to lead the development of scalable, high-performance web applications. This role is designed for a technical expert who can seamlessly bridge the gap between modern frontend interfaces and robust backend architectures. You will be responsible for building cloud-native solutions using React/Next.js and Python/FastAPI, fully integrated into a complex AWS ecosystem.Technical Requirements (Must-Haves)
  • Core Languages: Advanced proficiency in Python, TypeScript, and JavaScript (ES6+).
  • Backend Expertise: 5+ years of experience in backend development, with specific expertise in building high-performance APIs using FastAPI.
  • Frontend Expertise: Strong mastery of React and Next.js for building modern, scalable web applications.
  • Database Management: Deep experience with MySQL, including database design, query optimization, and management via RDS/Aurora.
  • AWS Cloud Ecosystem: Hands-on experience architecting and maintaining services across:
    • Compute & Serverless: Lambda, EC2, ECR.
    • Storage: S3 (Object Storage).
    • Integration & Auth: API Gateway, Cognito, SQS, SES.
    • NoSQL & Monitoring: DynamoDB and CloudWatch.
  • Architecture: Proven ability to design distributed systems and serverless architectures.
  • Workflow: Expertise in Git-based workflows and modern development best practices.
Key Responsibilities
  • Develop and maintain full-stack features using Next.js for the frontend and FastAPI for the backend.
  • Design and optimize relational schemas in MySQL/Aurora to ensure data integrity and performance.
  • Deploy and manage serverless functions and containerized services within AWS.
  • Implement secure authentication and authorization flows using AWS Cognito.
  • Monitor system health and performance using CloudWatch, ensuring high availability of all services.
Nice to Have Skills
  • Experience with containerization (Docker) and deployment automation.
  • Knowledge of testing frameworks (Jest, Cypress, or Pytest).
  • Familiarity with CI/CD pipelines and DevOps practices.
Soft Skills
  • Senior Leadership: Ability to take full ownership of projects and provide mentorship to team members.
  • Problem Solving: Strong debugging skills across the entire stack.
  • Communication: Effective collaboration with cross-functional teams in an Agile environment.
Lean Tech

About Lean Tech

: About Us: As the technology division of Lean Solutions Group, we're on a mission to help you achieve all your technology initiatives. At Lean Tech, we believe in innovation-led processes that will lead to unparalleled levels of quality and productivity. Our commitment lies in evolving the tech landscape by introducing innovative solutions that empower businesses and individual contributors to do more, with less. We're realizing the new era of productivity.

Connect with Us: Explore our LinkedIn page to stay updated on the latest tech trends, industry insights, and success stories. Whether you're a tech enthusiast, a business leader seeking innovative solutions, or a professional looking for exciting opportunities, Lean Tech is your hub for all things tech and innovation.

Industry
Consulting & Advisory
Company Size
201-500 employees
Headquarters
Medellin, CO
Year Founded
Unknown
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