Currency

Senior Frontend Developer (Kotlin&GO)

35 - 38 USDNet per hour - B2B
JavaScript

Senior Frontend Developer (Kotlin&GO)

JavaScript

Al. Jerozolimskie 179, Warszawa

Lumicode Sp. z o.o. (Pentacomp Group)

Full-time
B2B
Senior
Remote
35 - 38 USD
Net per hour - B2B

Tech stack

    Polish

    C1

    English

    B2

    Kotlin

    advanced

    Go

    advanced

    React

    advanced

    JavaScript

    advanced

    TypeScript

    advanced

    AI

    regular

    MVP

    regular

Job description

Who we are

Lumicode Sp. z o.o. is part of the Pentacomp Group, a producer of IT solutions and a provider of professional IT services for large enterprises and the public sector.


As Pentacomp, we create IT solutions that combine innovation with years of experience – and we have quite a lot of it. We have been present on the market for almost 30 years and can boast numerous completed projects.


What we offer


  • Start immediately

  • Fast recruitment process

  • Work fully remotely


Your Responsibilities

  • Lead the development of Workmate AI – a conversational (voice/chat) interface

  • Build a mobile-first, user-focused application

  • Work iteratively – develop MVPs, test, and optimize

  • Collaborate closely with Product Manager, Designer, and the engineering team

  • Contribute to shaping product direction and AI feature development


Tech Stack

  • AI products

  • React.js, TypeScript, JavaScript

  • Kotlin, Go (minimum – highly desired)

  • Tailwind, Playwright

  • Docker, Terraform

  • MongoDB

  • LLM development (nice to have)


Requirements

  • 6+ years of experience as a Frontend Engineer

  • Expert-level knowledge of:

    • React.js, JavaScript, TypeScript, AI products

  • Experience with:

    • Building MVPs, gathering feedback, and iterative product development

    • Developing AI-based solutions and conversational components (chat/voice) – preferred

    • Working in Agile environments with high autonomy

  • Strong focus on code quality, clean architecture, and continuous improvement

  • Excellent collaboration skills with Product and Design teams


Tech stack

    Polish

    C1

    English

    B2

    Kotlin

    advanced

    Go

    advanced

    React

    advanced

    JavaScript

    advanced

    TypeScript

    advanced

    AI

    regular

    MVP

    regular

Office location

Published: 22.10.2025

Senior Frontend Developer (Kotlin&GO)

35 - 38 USDNet per hour - B2B
Summary of the offer

Senior Frontend Developer (Kotlin&GO)

Al. Jerozolimskie 179, Warszawa

Lumicode Sp. z o.o. (Pentacomp Group)

35 - 38 USDNet per hour - B2B
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Senior Frontend Developer (Kotlin&GO) - Lumicode Sp. z o.o. (Pentacomp Group)