Java & Kotlin Developer (e-commerce)

5 872.52 - 7 270.74 USDNet per month - B2B
Java

Java & Kotlin Developer (e-commerce)

Java
x, Warszawa

Britenet

Full-time
B2B
Senior
Hybrid
5 872.52 - 7 270.74 USD
Net per month - B2B

Job description

Development of an e-commerce project for a client that is one of the largest companies in this sector in the country. A project utilizing AI and NLP technologies for large-scale analysis and processing of text content, supporting key digital platform functionalities such as search, content quality, and process automation


Our expectations

  • Extensive, at least 5 years, experience with Kotlin and Java witch proven track record in delivering high-complexity solutions.

  • Strong knowledge of Spring, Gradle, Reactor, and Azure Spring Apps.

  • Practical experience working within a microservices architecture.

  • Familiarity with databases such as MongoDB, CosmosDB, and Elasticsearch.

  • Proficiency in designing and working with REST APIs.

  • Experience and a strong interest in AI-based solutions, specifically LLM integration.

  • Ability to lead the design and implementation of complex system functionalities and components.

  • Strong sense of ownership over delivered solutions, including code quality, stability, scalability, and observability (monitoring, logging).

  • Experience in architectural decision-making and evaluating technical trade-offs.

  • Ability to identify and manage technical risks, dependencies, and technical debt.

  • Evaluating technical decisions and high level of autonomy and accountability.

  • Good command of English (B2/C1 level).

  • Readiness to work in a hybrid workmodel, fostering a collaborative and engaging team environment.

Nice to have

  • Hands-on experience with cloud environments (GCP preferred) and Kubernetes.

  • Experience working with large, distributed systems.

  • Experience in cross-team collaboration within complex organizational structures.

  • Providing technical consultancy and knowledge sharing within the project team.

  • Advising on technical best practices and optimizing engineering standards within the project.

Main responsibilities

  • Software development within a development team using agile methodology

  • Participation in team meetings and collaborative creation and execution of assigned tasks

  • Active involvement in delivering increasingly better programming solutions throughout the full project lifecycle — code reviews, testing others’ changes, deployment, maintaining cloud infrastructure, and creating documentation

Tech stack

    Java

    advanced

    Kotlin

    advanced

    Spring

    advanced

    English

    advanced

    MongoDB

    regular

    Elasticsearch

    regular

Office location

Published: 03.02.2026

Java & Kotlin Developer (e-commerce)

5 872.52 - 7 270.74 USDNet per month - B2B
Summary of the offer

Java & Kotlin Developer (e-commerce)

x, Warszawa
Britenet
5 872.52 - 7 270.74 USDNet per month - B2B
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