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Mid-Level Kotlin Backend Developer [Remote]

Mid-Level Kotlin Backend Developer [Remote]

300Brains Sp. z o. o.Warszawa, Polska
25 dni temu
Opis pracy

Mid-Level Kotlin Backend Developer

REMOTE]

About us :

We are an international, Polish-American company called 300Brains , operating in the area of Information Technology with the aim of supporting international companies, primarily startups, in the implementation of their brilliant ideas.

We’re looking for a skilled Kotlin Backend Developer to join an international team working on a distributed ledger-based platform for the insurance industry. You’ll play a key role in maintaining and expanding a microservices-based backend built fully in Kotlin.

What you’ll do :

Design, develop, and maintain Kotlin microservices

Collaborate within a Scrum team : participate in daily stand-ups, sprint planning, and retrospectives

Write clean, maintainable, well-tested code

Take part in code reviews and propose architectural improvements

Interact with RESTful APIs and smart contract logic

Contribute to technical documentation and deployment processes

Required skills :

2+ years of commercial Kotlin experience or 3+ years of Java with strong willingness to transition to Kotlin

Solid understanding of backend development (microservices, REST APIs)

Familiarity with testing methodologies (unit & integration tests)

Strong communication skills in English (spoken and written)

Nice to have :

Knowledge of Distributed Ledger Technology or blockchain (Corda in particular)

Experience with cloud environments (GCP preferred), Docker, or Kubernetes

Familiarity with frontend tech (JS / React) is a plus for cross-functional collaboration

What we offer :

20 days of paid vacation annually – take your well-deserved break

Agile training program with a certified diploma from 300Brains

Personal training & conference budget to grow your skills

Work with international professionals on cutting-edge projects

We support your passions – we’ll help finance your hobby

Work your way – remote work!

Access to a comprehensive medical and sports benefits package

Do IT Smart!

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Backend Developer • Warszawa, Polska