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Java Backend Developer Specialist

Oportunidade Mercado Bitcoin · São Paulo, SP

# Java Backend Developer Specialist **Oportunidade Mercado Bitcoin** · São Paulo, SP · `On-site` 🕒 **Статус:** *Опубликовано: 4 дня назад* · *Источник: Indeed* --- ### About the Role We are looking for a Java Backend Developer Specialist to join our trading engine team. You will work on the development and maintenance of high-performance distributed systems, handling complex scenarios and critical environments where high performance, resilience, and low latency are fundamental. What will you do? Development and Maintenance: Develop and maintain robust Java applications collaboratively and incrementally with other team members. Distributed Systems & High Performance: Design and operate high-availability systems, focusing on resilience, low latency (below milliseconds), and performance optimization in critical scenarios. Data Consistency: Handle complex distributed transaction scenarios, ensuring data integrity and consistency across multiple microservices. Observability: Develop observability-oriented microservices, applying best practices for monitoring, failure anticipation, and proactive incident management. Technical & Collaborative Role: Actively participate in ceremonies (technical refinements, plannings, reviews), contributing directly to architecture decisions and product strategies. Write and Maintain Automated Tests: Quality is achieved through automated testing of everything developed; therefore, building and delivering tests is part of the definition of done. What do we need you to have? Language & Messaging: Consolidated experience in Java (JDK 11+) and practical experience in message-based architectures. Messaging / Events: Knowledge of ultra-high-performance or distributed messaging (Aeron/Hydra, Apache Kafka, or similar). Databases: Solid experience with relational databases (preferably PostgreSQL). Communication & Protocols: Mastery of WebSockets, custom protocol design, and familiarity with financial market protocols (such as FIX). Binary Serialization: Experience with high-performance binary codecs such as SBE, Protobuf, or FlatBuffers. Automation & Testing: Mastery of Gradle for build automation and solid experience with automated testing using Cucumber under the BDD approach. Infrastructure & OS: Mastery of Docker for containerization/environment management and ease of working in a Linux environment. Knowledge of Observability, Telemetry, and Monitoring: RPM / Throughput, Response time (50%, 95%, 99%) Memory usage/limit CPU usage/limit Error rate Knowledge of OpenTelemetry and its paradigms: Exporters, Collectors, Trace, Span, Metric Nice to Have Knowledge of the financial domain: basic concepts of trading in order books, order types, fee models, and balance control rules. Please, send an email to: marlus.misael@mb.com.br if you are interested.

Наблюдалась 2026-09-15, впервые 2026-09-11, источник — Indeed.

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