Senior Java Engineer

6 000 - 6 400 USDNet per month - B2B
Java

Senior Java Engineer

Java
Zabłocie 43A, Kraków

N-iX

Full-time
B2B
Senior
Remote
6 000 - 6 400 USD
Net per month - B2B

Job description

N-iX is a global software development company founded in 2002, connecting over 2,400+ tech professionals across 40+ countries. We deliver innovative technology solutions in cloud computing, data analytics, AI, embedded software,IoT, and more to global industry leaders and Fortune 500 companies. Join us to create technology that drives real change for businesses and people across the world. 

We are looking for talented Senior Software Engineer to join our AI project in Europe.


Responsibilities:

  • Design and develop a robust and extensible Kotlin framework and platform for configuring and managing AI agents

  • Write clean, maintainable, and efficient code that complies with our coding standards

  • Ensure the performance, quality, and responsiveness of the framework/platform

  • Identify and correct bottlenecks and errors

  • Help to maintain code quality, organization, and automatization.

  • Create and maintain technical documentation for the framework/platform


Requirements:

  • At least 5 years of proficiency in Kotlin or Java

  • Deep experience with the Spring Framework 

  • Reactive tools experience (Project Reactor)

  • Knowledge of different communication protocols such as REST, GraphQL, gRPC

  • Experience with distributed systems

  • Familiarity with tracing, metrics and monitoring best practices

  • Experience of creating frameworks and platform for other developers 

  • Proficiency in Maven or similar tools 

  • Familiarity with NoSQL databases 

  • Very good spoken and written knowledge of English language (C1)


Nice to have:

  • Familiarity with GenAI, AI agents, machine learning, and natural language processing concepts is a plus

  • Experience with MCP, A2A, RAG is a big plus

  • Experience with event-driven architecture

  • Experience with Docker and Kubernetes

  • Python experience is nice to have

  • BSc or MSc in Computer Science, Engineering or relevant field

Tech stack

    English

    B2

    Java

    master

    Spring

    advanced

    REST

    regular

    GraphQL

    regular

    gRPC

    regular

    Project Reactor

    nice to have

    Kotlin

    nice to have

    Maven

    nice to have

Office location

Published: 27.02.2026

About the company

N-iX

N-iX is a global software development service company that helps businesses across the globe create mind-blowing software products. Founded in 2002, today we’re a team of 2,200+ tech-savvy professionals working on innova...

Company profile

Senior Java Engineer

6 000 - 6 400 USDNet per month - B2B
Summary of the offer

Senior Java Engineer

Zabłocie 43A, Kraków
N-iX
6 000 - 6 400 USDNet per month - B2B
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