Frontend Developer

Gismart

Frontend Developer building web funnels and single-page web2app applications for Gismart, a global mobile app developer. Integrating analytics, A/B testing, payment systems, and modern React technologies.

Posted 8/4/2026full-timeRemote • 🌎 Anywhere in the WorldMid-LevelSeniorWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in modern JavaScript (ES6+) and TypeScript, with a strong focus on building single-page applications using React and functional components. Proficient in integrating analytics, A/B testing, and payment systems while ensuring modular and maintainable code.

Highest-signal resume keywords

Modern JavaScript (ES6+)TypeScriptReact Application DevelopmentReact QueryZustand

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

JavaScriptTypeScriptReactReact HooksReact QueryZustandStyled-ComponentsRESTful APIsHTTPDOM

Tools & Technologies

A/B TestingAnalytics SystemsPayment SystemsNo-Code/Low-Code Tools

Industry Keywords

Single-Page ApplicationsWeb FunnelsClient StateServer State

Tech Stack

Tools & technologies

JavaScriptReactTypeScript

About the role

Key responsibilities & impact

Actively develop new features for existing web funnels
Develop single-page applications to realize web2app flows
Integrate analytics systems, A/B testing, and payment systems

Requirements

What you’ll need

Strong understanding of modern JavaScript (ES6+) and static typing with TypeScript
Proficiency building applications with functional components and React Hooks
Experience with React Query for server state
Experience with Zustand for client state
Skilled in writing modular and maintainable styles using styled-components
Basic knowledge of HTTP, the DOM, and the JavaScript event loop
Experience working with RESTful APIs
Familiarity with no-code/low-code visual builder tools for creating UI components or pages

Benefits

Comp & perks

Flexible working schedule
Work anywhere in the world remotely or in corporate hubs
50% compensation for coworking spaces worldwide
Public holidays based on Ukrainian or Polish holiday calendars, or 12 public holidays per year elsewhere
100% sick leave compensation
Partial coverage of medical insurance, sports activities, and therapy costs
Equipment provision or maintenance-cost coverage for personal tools
70% coverage of professional development courses
100% coverage of corporate English courses
18 working days of paid vacation per year
3 personal days per year
Extra vacation day for each year at Gismart
Corporate events and team-building activities across Gismart hubs