Talent.com
This job offer is not available in your country.
Mid-Level Kotlin Backend Developer [Remote]

Mid-Level Kotlin Backend Developer [Remote]

300Brains Sp. z o. o.Warszawa, Polska
26 days ago
Job description

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!

Create a job alert for this search

Backend Developer • Warszawa, Polska

Related jobs
Fullstack Developer (React Kotlin) (Remote)

Fullstack Developer (React Kotlin) (Remote)

Arche ConsultingBusiness Park, Warszawa
Szukamy doświadczonego Full Stack Engineera.Jeśli interesujesz się zarówno warstwą UI / UX, jak i technicznymi aspektami serwera, ta oferta jest dla Ciebie!. Technologia używane na projekcie : .JavaScri...Show moreLast updated: 30+ days ago
Senior Backend Engineer (Kotlin)

Senior Backend Engineer (Kotlin)

INSPEERITY sp. z o.o.Warszawa, mazowieckie, Polska
Senior Backend Engineer (Kotlin).Who : Senior Software Engineer (Kotlin).Employment Type : B2B Framework Agreement.Salary range : Up to 150 PLN / h + VAT. Timeframe : From July to October or only in Augus...Show moreLast updated: 21 days ago
Software Engineer in Home Connect Ecosystem (IoT)

Software Engineer in Home Connect Ecosystem (IoT)

BSH SPRZĘT GOSPODARSTWA DOMOWEGO sp. z o.o.Warszawa, mazowieckie, Polska
Software Engineer in Home Connect Ecosystem (IoT).You will be part of the development team, that is responsible for Home Connect partner integrations with IoT solutions like : Amazon Alexa, Google H...Show moreLast updated: 30+ days ago
Java / Kotlin Developer

Java / Kotlin Developer

IT-LeadersWarszawa
Responsibilities : To analyse, design, develop & test Java / Kotlin (REST, gRPC or Message driven) microservices for the core part of Trading Risk platform Experience : Good Java 11+ knowledgeStrong ...Show moreLast updated: 30+ days ago
Mid Backend Engineer (NodeJS) (Remote)

Mid Backend Engineer (NodeJS) (Remote)

Swing DevelopmentNowy Świat 35, Warszawa
You'll implement backends and their interactions with various data stores and other APIs (including 3rd party APIs).You'll work in an agile environment focusing on projects that are impactful on ou...Show moreLast updated: 30+ days ago
  • Promoted
Fullstack Developer (Kotlin)

Fullstack Developer (Kotlin)

Efinity Sp. z o.o.Warszawa, mazowieckie, Polska
API (płatności, podatki, wyliczanie składki ubezpieczeniowej, rejestracja polis itp),.Javie / Kotlinie (aktualnie pracujemy w Java 17+, Kotlin 1.Show moreLast updated: 1 day ago
Senior Kotlin Developer

Senior Kotlin Developer

MobicaWarsaw, Poland
We're hunting for developers to work on a project for our customer, a global technology enterprise in mobile and connected devices. You will be involved in conceiving and completing a technologicall...Show moreLast updated: 30+ days ago
Mid / Senior Java Developer (Remote)

Mid / Senior Java Developer (Remote)

PTT ConsultingPl. Bankowy 2, Warszawa
Our client is looking for a Java developer with experience on backend development for supporting the team on the development activity. Database systems (Postgres, DB2).Working knowledge of JIRA or c...Show moreLast updated: 15 days ago
Kotlin Backend Developer (Remote)

Kotlin Backend Developer (Remote)

ITFSCentrum, Warszawa
Miejsce pracy : praca w 100% zdalna.Stawka : 140-155 zł / h netto + VAT.Proces rekrutacyjny : krótka rozmowa z ITFS (ok.Przejrzyste warunki współpracy w firmie o pewnej i stabilnej pozycji rynkowej.Możl...Show moreLast updated: 2 days ago
Kotlin Developer

Kotlin Developer

EndySoftWarszawa, mazowieckie, Polska
We are seeking a skilled Kotlin Developer to join our development team.The ideal candidate will have experience in building high-performance applications using Kotlin, with a focus on backend devel...Show moreLast updated: 14 days ago
Mid / Senior AEM Backend Developer @ Dynamic Solutions

Mid / Senior AEM Backend Developer @ Dynamic Solutions

Dynamic SolutionsWarszawa, Poland
How do we set ourselves apart? We're not your typical team; we're a close-knit IT community with creative minds, brewing fantastic ideas during our daily office coffee sessions.Interested in joinin...Show moreLast updated: 30+ days ago
Kotlin Developer (Remote)

Kotlin Developer (Remote)

TQLOCentrum, Warszawa
Szukamy Kotlin Developera do pracy nad nowoczesnymi aplikacjami mobilnymi lub backendowymi!.Jeśli lubisz czysty kod, architekturę opartą na najlepszych praktykach i chcesz mieć realny wpływ na twor...Show moreLast updated: 22 days ago
Mid / Senior Golang Developer

Mid / Senior Golang Developer

PolcodeWarszawa, Mazowieckie, Polska
Quick Apply
Mid / Senior Golang Developer at Polcode | softgarden.We’re a global, people-first software house matching ambitious developers with challenging projects. Our team of over 100 professionals help...Show moreLast updated: 30+ days ago
Mid-level Java Developer

Mid-level Java Developer

TalanWarsaw, Masovian Voivodeship, PL
Talan is an international advisory group on innovation and transformation through technology, with 5000 employees, and a turnover of 600M€. We offer our customers a continuum of services to support ...Show moreLast updated: 18 days ago
Senior Backend Developer (Remote)

Senior Backend Developer (Remote)

speedappBracka 25, Warszawa
Architect and build robust, scalable backend systems using.Optimize performance for speed and reliability, ensuring security and compliance with industry standards. Integrate with third-party APIs a...Show moreLast updated: 28 days ago
  • Promoted
Mid Backend Python Developer

Mid Backend Python Developer

SZKOŁA W CHMURZE SP. Z O.O.Warszawa, mazowieckie, Polska
Zapraszamy do kilkuosobowego zespołu IT Mid Backend Python Developera w celu wsparcia rozbudowy naszej autorskiej platformy edukacyjnej w nowe funkcjonalności. Masz minimum 3 lata doświadczenia w te...Show moreLast updated: 29 days ago
Kotlin Backend Developer (Remote)

Kotlin Backend Developer (Remote)

apreelCentrum, Warszawa
As a Senior Kotlin Backend Developer in Consulting, you will participate in various streams of implementation projects, collaborate with agile team members in order to achieve project and client go...Show moreLast updated: 2 days ago
Kotlin Developer

Kotlin Developer

TeamQuest Sp. z o.o.Warszawa, mazowieckie, Polska
Our client is an innovative IT company established in 2010, specializing in designing and creating advanced mobile solutions. Their services range from graphic design, through website and mobile app...Show moreLast updated: 30+ days ago