#vacancy #вакансия #java
**Company**: findev
**Location**: Poland / Cyprus / Georgia / Serbia / Spain / Armenia / Portugal
**Employment**: fulltime
**Payment**: from 6800 USD gross up to 8500 USD gross (depends on the location - only mentioned)
**Position**: Senior Java developer (Market Data Feeds)

We are looking for a **Senior Java Developer** to join our team and build high-performance market data feed solutions. This role is focused on designing and implementing **low-latency, reliable, and scalable components for processing and distributing market data** ✨

The ideal candidate combines strong core Java engineering skills with a deep understanding of performance, concurrency, and data-intensive systems. We are looking for someone senior enough to work with a high degree of independence and require minimal hand-holding in day-to-day delivery.

We are looking for an engineer who is not only technically strong, but also mature in execution: someone who can understand the problem space, propose sound technical solutions, and implement them with a high level of autonomy.

**Responsibilities**:
▫️Design and develop market data feed handlers and related low-latency services in Java
▫️Build components for high-throughput, event-driven processing of real-time market data
▫️Work with binary protocols and binary data formats
▫️Optimize applications for low latency, predictable performance, and efficient resource usage
▫️Analyze and improve system behavior through profiling, benchmarking, and JVM tuning
▫️Contribute to architecture and implementation decisions around scalability, resiliency, and maintainability
▫️Collaborate with other engineers and stakeholders to deliver robust production-grade solutions
▫️Take ownership of technical problems and drive solutions with limited supervision

**Requirements**:
▫️Bachelor degree in Computer Science or similar
▫️Strong experience in Java development at senior level (8+ years)
▫️Deep understanding of data structures and algorithms, especially practical performance-oriented structures such as: ring buffers, priority queues / binary heaps and similar low-level or specialized structures
▫️Strong knowledge of multithreading and concurrency
▫️Solid experience with binary data manipulation
▫️Hands-on experience with JVM tuning, profiling, and performance troubleshooting
▫️Proven ability to build or optimize low-latency systems
▫️Good understanding of mechanical sympathy principles and performance-aware design
▫️Ability to work independently, take ownership, and move tasks forward without constant guidance

**Nice to have:**
▫️Experience with event-driven architectures in medium- to high-throughput environments
▫️Experience with event sourcing
▫️Experience with SQL and NoSQL data modeling
▫️Background in market data, trading systems, or other real-time distributed systems

**We offer:**
▫️Flexible work setup: remote model (Poland, Cyprus, Serbia, Georgia, Spain, Portugal, Armenia) or hybrid if desired
▫️Full health insurance coverage for those based in Poland and Cyprus
▫️50% coverage of health insurance for spouses and children in Poland and Cyprus
▫️24 days of paid vacation.
▫️10 days of paid sick leave.
▫️50% reimbursement for professional training, education, conferences.
▫️Work alongside a highly professional team.
▫️Engaging teambuilding events and activities.
**In case of relocation to Poland or Cyprus, we offer:**
▫️Flight tickets, accommodation rent for 1st month for our relocated employee and his/her official family.
▫️Support in visa application and issue process, entry permit and residence permit processing.

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