Logo-of-N-ix-hiring-for-jobs-in-Poland-on-GrabJobs

Middle Java Engineer

icon building Company : N-ix
icon briefcase Job Type : Full Time

Number of Applicants

 : 

000+

Click to reveal the number of candidates who applied for this job.
icon loader
icon loader

Let AI Supercharge Your Job Hunt!

JobCopilot scans 500,000+ company career sites daily to find jobs for you

Never miss an opportunity Save hours by auto-filling applications forms Land more interviews with tailored applications
happy man
thunder iconActivate JobCopilot

Job Description - Middle Java Engineer


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 a talented Java Engineer to join our 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 library

  • Identify and correct bottlenecks and errors

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

  • Create and maintain technical documentation for the library


Requirements:



  • At least 4-5 years of proficiency in Kotlin and 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

  • Proficiency in Maven or similar tools 

  • Familiarity with NoSQL databases 

  • Very good spoken and written knowledge of English language (B2+)


Nice to have:



  • Experience of creating frameworks and platform for other developers

  • 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


Professional growth:



  • Strong engineering culture

  • Challenging projects and mature teams

  • Personalized on-demand cross-company mentoring support enabling you to learn new things faster

  • Plenty of opportunities to share knowledge and get more experience such as opportunity to mentor others, speak at events, and contribute to pre-sales

  • Direct communication with the customer

  • An individual education budget

  • A friendly, supportive and dynamic work environment

  • Care, comfort and fun

  • A relocation package

  • Flexible working hours

  • Healthcare & sport benefits

  • Corporate events, outstanding parties and team buildings



We offer*:



  • Flexible working format - remote, office-based or flexible

  • A competitive salary and good compensation package

  • Personalized career growth

  • Professional development tools (mentorship program, tech talks and trainings, centers of excellence, and more)

  • Active tech communities with regular knowledge sharing

  • Education reimbursement

  • Memorable anniversary presents

  • Corporate events and team buildings

  • Other location-specific benefits


*not applicable for freelancers


Original job Middle Java Engineer posted on GrabJobs ©. To flag any issues with this job please use the Report Job button on GrabJobs.
Share Job
Share Job

Auto-Apply to Java Engineer Jobs with your AI JobCopilot

thunder icon Auto-Apply with AI

Similar Java Engineer Jobs in Poland

GrabJobs is the no1 job portal in Poland, connecting you to thousands of jobs fast! Find the best jobs in Poland, apply in 1 click and get a job today!

Mobile Apps

Copyright © 2026 Grabjobs Pte.Ltd. All Rights Reserved.