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.




