Senior Frontend Engineer

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 the engineering brand behind the technology, infrastructure, and R&D expertise built within Coinspaid. With more than 120 engineersand over 11 years of industry experience, Coinspaid Dev brings together software engineering, infrastructure, security and R&D teams with experience building distributed systems and blockchain infrastructure operating across more than 20 blockchain networks. Coinspaid Dev emerges as an independent engineering brand with a straightforward mission: to advance blockchain infrastructure engineering and contribute practical expertise back to the industry. The structure is new. The experience behind it is not.

Your future responsibilities and day-to-day tasks will be:

• 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

Required Skills & Background:

• 4+ years experience as a Frontend developer in technologies JavaScript/Typescript and React
• Excellent knowledge of modern Javascript and Typescript (5+)
• Solid understanding and development experience in React 18+ and Redux (toolkit) ecosystem
• 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

Would be a plus:

• Knowledge of security best practices in software development
• Experience working on fintech projects

Why joinCryptoProcessing byCoinspaid

You’ll be joining a company that is actively shaping its space – with enough scale to matter and enough room to make an impact.

At Coinspaid, people are expected to think, contribute, and take ownership – and are supported in doing so.

We focus on flexibility, wellbeing, and long-term growth – without overcomplicating how benefits work.

Flexible Benefits

Benefit Bar – up to €230/monthA flexible monthly budget you can use for what matters most to you – from sports and mental health to coworking, home office, or medical-related expenses.

Work & Flexibility

• Fully remote work from almost anywhere
• Optional offices and relocation support
• Flexible, async-friendly environment

Growth & Learning

• Budget for courses, certifications, and professional development
• Language learning support
• Cross-team learning and knowledge sharing

Wellbeing & Support

• Medical insurance or reimbursement depending on location
• Access to mental health support
• Financial support for important life events

Extras

• Merch shop with rewards system
• Team offsites and company events