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KIWI

Fullstack Developer

KIWI
Argentina · Full-time · Entry
We are looking for a Full Stack Developer with strong experience in modern web technologies, capable of building scalable, reliable, and high-performance applications. This role will be key in designing, developing, and maintaining solutions that directly impact our customers and business growth.

Responsibilities

  • Design, develop, and maintain web applications using React.js, TypeScript, Node.js, and Express.js.
  • Build and optimize RESTful APIs and integrations with internal and external services.
  • Work with PostgreSQL databases, designing efficient queries and ensuring data integrity.
  • Collaborate closely with Product, UX/UI, and QA teams to deliver high-quality features.
  • Ensure code quality through reviews, automated testing (Jest, Cypress, Playwright), and best practices.
  • Contribute to improving application performance, scalability, and reliability.
  • Participate actively in Agile ceremonies (daily standups, sprint planning, retrospectives).

Requirements

  • 5+ years of professional experience in software development.
  • Solid knowledge of JavaScript/TypeScript.
  • Experience with React.js and modern front-end development (hooks, state management, UI libraries such as Tailwind or Material UI).
  • Strong background in Node.js with Express.js for backend development.
  • Hands-on experience with PostgreSQL or other relational databases.
  • Familiarity with REST APIs and good practices for design and security.
  • Experience with Git, CI/CD pipelines, and Agile methodologies.
  • Strong problem-solving, teamwork, and communication skills.

Nice to have

  • Experience with testing frameworks (Jest, Cypress, Playwright).
  • Familiarity with AWS (Lambda, API Gateway, S3, CloudWatch).
  • Previous experience in fintech or building digital financial products.

What we offer

  • Opportunity to contribute to innovative products that directly impact users and the company’s growth.
  • A dynamic and collaborative environment, working with a multidisciplinary team.
  • Professional growth in a rapidly expanding fintech.
  • Work mode: 100% remote – Colombia or Argentina.

Key Skills

Ranked by relevance

postgresql reactjs ui restful apis typescript cicd git aws s3
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Posted
Sep 03, 2025
Type
Full-time
Level
Entry
Location
Greater Buenos Aires
Company
KIWI

Industries

Financial Services

Categories

Engineering Information Technology

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