Senior Java Developer

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

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.

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📩 Ready to Join?
We look forward to receiving your application and welcoming you to our team!