Senior Frontend Engineer - Fintech & Blockchain, Remote

Coinspaid Enterprise; Colombia; Remote; COP 9,000,000 - 18,000,000; Full time

Benefits offered by this job

Fully remote

Flexible benefits budget

Language learning support

Relocation/Office options

Job summary

Coinspaid Dev is seeking a skilled Frontend Engineer to join our remote-first team. You’ll build features for fintech products using JavaScript/TypeScript, React 18+, and Redux Toolkit, focusing on scalable, responsive web apps across desktop and mobile.

You will implement UI components with Material UI, ensure cross-browser performance, and contribute to architecture decisions. You’ll collaborate in an Agile environment, review code, and help improve architecture and developer experience.

Qualifications

• 4+ years experience as a Frontend developer in JavaScript/TypeScript and React.
• Excellent knowledge of modern Javascript and Typescript.
• Solid understanding and development experience in React 18+ and Redux (toolkit).
• Experience in developing responsive web apps for desktop and mobile browsers with HTML, CSS, Material UI.
• Deep understanding of modern web applications design architecture, good API design patterns, performance and scale.
• Deep understanding and experience in creating software testing(unit, integration, components).
• Strong problem-solving skills and attention to detail.
• Awareness of cross-browser compatibility issues and client-side performance considerations.
• Exceptional problem solving and ability to work independently.
• Experience working in an Agile environment.
• Good level of spoken and written English and Russian.

Responsibilities

• Development of new features and support of existing ones.
• Work with complex business logic within fintech products.
• Improvement and development of the project, including architecture, developer experience, codebase, etc
• Participation in code review processes for the codebase and the application as a whole
• Have the opportunity to participate in the development of different products
• Tasks estimation, participating in planning sessions

Skills

Frontend development

JavaScript/TypeScript

React 18+

Redux Toolkit

UI/UX basics

Testing (unit/integration)

Agile

English & Russian

Tools

React

Redux Toolkit

TypeScript

JavaScript

Material UI

API design

Job description

Coinspaid Dev is seeking a skilled Frontend Engineer to join our remote-first team. You’ll build features for fintech products using JavaScript/TypeScript, React 18+, and Redux Toolkit, focusing on scalable, responsive web apps across desktop and mobile.

You will implement UI components with Material UI, ensure cross-browser performance, and contribute to architecture decisions. You’ll collaborate in an Agile environment, review code, and help improve architecture and developer experience.