Senior Java Backend Engineer — Low-Latency Trading

Devexperts LLC; Porto; Híbrido; EUR 55 000 - 75 000; Tempo integral

Vantagens oferecidas por esta oferta de emprego

Fully paid wellness days

Medical insurance for employees and  +

Meal allowance (Coverflex Card)

Flexpay system (Coverflex)

Modern office

Resumo da oferta

Devexperts LLC in Porto, Portugal, is seeking a Middle/Senior Java Developer to join our Research & Development Team. You will work on back-end systems handling order lifecycles, ensuring high performance and low latency in a financial technology context.

You will collaborate in an agile Scrum environment, review code, participate in testing, and contribute to complex distributed services with tools like Docker, PostgreSQL, and ELK. Remote/hybrid options are available.

Qualificações

• Proficient in Java 11+ with experience in Collections, Streams, Threads and Concurrency.
• Familiar with Spring, AspectJ and Kotlin.
• Skilled in using JUnit5 and Mockito for effective testing.
• Experienced with Docker, PostgreSQL, Liquibase, Prometheus and ELK.
• Exposure to distributed systems, focusing on performance and reliability.
• Understanding of asynchronous communication principles.
• Knowledge of relational database internals, including indexes and locks.
• Experience in debugging heap and thread dumps.
• Proficient in code profiling using YourKit, JProfiler and VisualVM.
• Strong knowledge of Unix/Linux.
• Familiar with trading and capital markets.

Responsabilidades

• Optimize, document, and maintain code with thorough test coverage.
• Collaborate effectively with colleagues and embrace constructive feedback.
• Conduct meticulous, blame-free code reviews to continually improve code quality.
• Perform analysis to effectively address multi-threading issues.
• Work collaboratively with experienced team members in a complex business environment.
• Understand detailed business requirements within the finance industry.

Conhecimentos

Java 11+

Java Concurrency

Spring

AspectJ

Kotlin

JUnit5

Mockito

Docker

PostgreSQL

Liquibase

Prometheus

ELK

Distributed systems

Async communication

DB internals

Heap/Thread dumps

Profiling tools

Unix/Linux

Trading knowledge

Ferramentas

YourKit

JProfiler

VisualVM

Docker

PostgreSQL

Liquibase

Prometheus

ELK

Descrição da oferta de emprego

Devexperts LLC in Porto, Portugal, is seeking a Middle/Senior Java Developer to join our Research & Development Team. You will work on back-end systems handling order lifecycles, ensuring high performance and low latency in a financial technology context.

You will collaborate in an agile Scrum environment, review code, participate in testing, and contribute to complex distributed services with tools like Docker, PostgreSQL, and ELK. Remote/hybrid options are available.