Senior Frontend Developer (Kotlin&GO)
Al. Jerozolimskie 179, Warszawa
Lumicode Sp. z o.o. (Pentacomp Group)
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
Senior Frontend Developer (Kotlin&GO)
Senior Frontend Developer (Kotlin&GO)
Al. Jerozolimskie 179, Warszawa
Lumicode Sp. z o.o. (Pentacomp Group)