We are looking for a Senior Java Developer:
• 🗣 Language Proficiency: Upper-Intermediate
🧾 Employment type: Full time
🌍 Candidate Location: Poland
🚀 Start: January
🧭 Planned Work Duration: Minimum 12 months
👥 Customer Description:
Our client is a global management consulting organization serving enterprises and public-sector organizations worldwide.
🧩 Project Description:
A global technology ecosystem supporting strategy-to-execution delivery across Generative AI, cloud transformation, and advanced analytics.
⚙️ Project Phase:
Ongoing
💡 Hard Skills / Must Have:
• 5+ years of professional software development experience
• Strong hands-on expertise in Java and Spring Boot
• Practical knowledge of AI tools for software development
• Ability to use AI tools for tasks beyond the primary technology stack
• Adaptability to different technologies and technical requirements
✨ Hard Skills / Nice to Have (Optional):
• Python scripting
• Next.js
• AWS Glue Jobs
• Generative AI and prompt engineering
📌 Responsibilities:
• Develop and maintain backend applications using Java and Spring Boot
• Design scalable and reliable software solutions
• Collaborate with distributed teams throughout the software development lifecycle
• Use AI tools to accelerate delivery and solve technical challenges
🧪 Technology Stack:Java, Spring Boot, AI tools, Generative AI and prompt engineering
📞 Interview stages:
• English check (15 minutes)
• internal technical interview (1-1,5 hour)
• client interview (1 hour)
• client interview – cultural fit (45 minutes)
📝 Additional notes:
The candidate must be employed in company at 0.125 FTE under UoP (employment contract) and additionally under a service contract (B2B or mandate contract). Payment terms — up to 60 days. Work will be performed using client-provided equipment.
What we offer
Model: B2B contract with Bonapolia - one contract, one monthly invoice
Rate: negotiated per candidate seniority and client budget
Payment: monthly invoice, paid on the same schedule the client pays us (60 days)
Contract written under your country's law
We handle the client-side paperwork: MSA, NDA, invoicing
🏢 About Bonapolia
is a family-owned IT staff augmentation team based in Lisbon. We build engineering teams for product companies and IT consultancies across Europe and the US.
More at
📩 Ready to Join?
We look forward to receiving your application and welcoming you to our team!
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