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Київстар · 18 hours ago

Full-Stack Developer (Next.js, React Native)

All, MO

Full-time

Hybrid

Mid Level

3+ years exp

Kyivstar.Tech is a Ukrainian hybrid IT company seeking a frontend-focused Full-Stack Developer to join the Packly project, a FoodTech service-marketplace. The role involves developing and maintaining the Packly web application, optimizing frontend performance, and collaborating with the mobile team.

Telecommunications

Comp. & Benefits

Responsibilities

Develop and maintain the Packly web application

Implement and optimize the frontend for reliable operation in WebView

Work with server-side logic, APIs, and databases

Collaborate with the mobile team

Participate in designing technical solutions

Qualification

Next.jsReactTypeScriptOOP principlesREST API principlesPostgreSQLCI/CD pipelinesWriting testsGitFlowReact NativeWebView specifics

Required

3+ years of commercial experience in web development

Solid understanding of computer science, algorithms, and data structures

Strong command of OOP principles, SOLID, DRY, KISS, and design patterns

Expert knowledge of TypeScript and React (Hooks, Context)

Deep understanding of Next.js (App Router, Server Actions, SSR/SSG strategies, Web Vitals optimization)

Experience designing relational databases (PostgreSQL): normalization, indexing

Understanding of REST API principles and web security (JWT, OWASP)

Experience setting up CI/CD pipelines (Vercel, GitHub Actions)

Ability to write tests (Jest, Cypress/Playwright)

High-quality code reviews; GitFlow or Trunk-based development

Preferred

Experience with React Native

Hands-on experience with Supabase: Auth, Row Level Security (RLS), Edge Functions, Realtime

Understanding WebView specifics: two-way bridge communication and adapting web UI for mobile UX

Benefits

Performance bonuses for everyone (annual or quarterly — depends on the role)

We train employees: with the opportunity to learn through the company’s library, internal resources, and programs from partners

Health and life insurance

Wellbeing program and corporate psychologist

Reimbursement of expenses for Kyivstar mobile communication

Company

Київстар

Київстар – найбільший український оператор електронних комунікацій, що станом на березень 2023 року обслуговував 24,3 млн абонентів мобільного зв’язку та понад 1,1 млн абонентів «Домашнього інтернету».

Founded in 1994

Kyiv, Kyyiv, UKR

1001-5000 employees