Middle/Senior Java Developer

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 works with respected financial institutions, delivering products and tailor-made solutions for retail and brokerage houses, exchanges, and buy-side firms. The company focuses on trading platforms and brokerage automation, complex software development projects, market data products, and IT consulting services.

Job Description

We are looking for a Middle/Senior Java Developer to join the Research & Development Team.

As a backend developer, you will play a crucial role in managing the entire order lifecycle, encompassing order capture, validation, routing, execution, option price calculation, and reconciliation. Our priority is to deliver high-performance, low-latency, and fault-tolerant solutions, with a strong emphasis on code quality through comprehensive code reviews and rigorous testing.

Although our product holds a substantial presence, we consistently address both functional and non-functional requirements while responsibly managing technical debt. Our work environment is agile, primarily utilizing Scrum, and is supported by tools such as Atlassian, Slack, Sonar, Docker, and others.

• Optimize, document, and maintain code with thoroughtest coverage,
• Collaborate effectively with colleagues and embraceconstructive feedback,
• Conductmeticulous, 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.

Qualifications

Must-have skills:

• 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, with a focus 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 tools like YourKit, JProfiler, and Visual VM,
• Strong knowledge of Unix/Linux,
• Familiar with trading and capital markets,

Additional Information

Care for the employees is one of Devexperts' core values. For the suggested position, we offer a benefits package that will guarantee the comfort of our new teammate.

Work Regime Flexibility benefits:

• Possibilityofhybrid/remote work mode,

Health and recreation benefits:

• Fully paid additional wellness days (3 unwell days per year),
• Medical insurance for the employees and children,
• Reimbursement of fitness / Urban Sports Club Membership,
• Meal allowance (Coverflex Card),
• Flexpay system (Coverflex).

Facility benefits:

• Modern office with new equipment,
• PlayStation, table football, and musical instruments in the office,
• Free drinks and snacks.

Community benefits:

• Teambuilding activities,
• Corporate parties,
• Football Club,
• Music club,
• Speakers' club,
• Free admission to corporate external events,
• Possibility of joining conferences and professional fairs,
• Local language courses for foreign employees,
• Unlimited access to self-learning platforms,
• Certification opportunities,
• Parental bonus,
• Referral bonus,
• Blood donation paid leave.

Life in Devexperts

We will only achieve our mission if we live our culture. We start with becoming learners in all things—having a growth mindset. Then we apply that mindset to learning about our customers, being diverse and inclusive, working together as one, and—ultimately—making a difference in the world.