Senior Java developer (Market Data Feeds)

Описание вакансии

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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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