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Urgent! Scala Developer with MongoDB Specialization Job Opening In Gdańsk – Now Hiring Scalac
📍 Remote | EU Time Zone | Contract / B2B
We’re looking for a MongoDB Expert with a strong Scala background to join a high-impact project with one of our clients.
This is an opportunity to tackle complex technical challenges in a system that’s critical for the client’s operations, while also shaping the long-term architecture.
Our client operates around 30 microservices built in Scala, all using MongoDB Scala Driver as their primary database.
The system currently relies heavily on transactions across multiple collections, which has led to:
~1 million MongoDB sessions open simultaneously
Terminated transactions due to overload
Severe performance issues with queues of up to 2–4 hours
The client recognizes this approach isn’t sustainable and wants to fix the short-term issues while also redesigning the long-term architecture.
You will play a key role in both the stabilization and the future redesign of the platform:
Short-term goals:
Investigate why so many sessions/transactions are created
Fix code and/or adjust MongoDB Driver usage to stabilize operations
Long-term goals:
Redesign the shared data model across 30 services to eliminate the need for transactions
Provide guidance and hands-on support in implementing a scalable, transaction-free architecture
Potentially tune and optimize MongoDB for high-performance workloads
Deep knowledge of MongoDB (transactions, drivers, performance optimization)
Experience with data model redesign and building scalable, high-performance architectures
Proven experience with Scala (production-grade systems, microservices architecture)
Background in large-scale system migrations or refactorings
Ability to work independently and provide technical leadership
Strong problem-solving and debugging skills in distributed systems
Nice to have:
Experience with MongoDB cluster tuning and performance optimization
Work on a technically challenging project that directly impacts system performance
Chance to influence and redesign a critical data model used across 30+ services
Remote-first engagement with flexibility
Rate up to 50 EUR/h
🚀 If you’re an experienced MongoDB + Scala expert who enjoys solving deep technical challenges and building scalable solutions, we’d love to hear from you.
Apply now or reach out to learn more!
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Unlock Your Scala Developer Potential: Insight & Career Growth Guide
Real-time Scala Developer Jobs Trends in Gdańsk, Poland (Graphical Representation)
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Great news! Scalac is currently hiring and seeking a Scala Developer with MongoDB Specialization to join their team. Feel free to download the job details.
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An organization's rules and standards set how people should be treated in the office and how different situations should be handled. The work culture at Scalac adheres to the cultural norms as outlined by Expertini.
The fundamental ethical values are:The average salary range for a Scala Developer with MongoDB Specialization Jobs Poland varies, but the pay scale is rated "Standard" in Gdańsk. Salary levels may vary depending on your industry, experience, and skills. It's essential to research and negotiate effectively. We advise reading the full job specification before proceeding with the application to understand the salary package.
Key qualifications for Scala Developer with MongoDB Specialization typically include Computer Occupations and a list of qualifications and expertise as mentioned in the job specification. Be sure to check the specific job listing for detailed requirements and qualifications.
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Before the Interview:To prepare for your Scala Developer with MongoDB Specialization interview at Scalac, research the company, understand the job requirements, and practice common interview questions.
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