Kiwi Financial Inc is hiring a Fullstack Developer

Kiwi Financial Inc is looking for a Fullstack Developer to design, develop, and maintain scalable, reliable, and high-performance web applications that directly impact our customers and business growth.

What You'll Do

• 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).

What We're Looking For

• 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.

Technical Stack

• Frontend: React.js, TypeScript, Tailwind, Material UI
• Backend: Node.js, Express.js
• Database: PostgreSQL
• APIs: REST
• Testing: Jest, Cypress, Playwright
• Infrastructure: AWS Lambda, AWS API Gateway, AWS S3, AWS CloudWatch
• Tools: Git

Team & Environment

You will collaborate closely with Product, UX/UI, and QA teams in a dynamic and collaborative environment as part of a multidisciplinary team.

Benefits & Compensation

• 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

This position is open to candidates based in Colombia or Argentina.

Kiwi Financial Inc is an equal opportunity employer.