Java developer for payment applications

Hexa Consulting; Lisboa; Hybride; EUR 60 000 - 100 000; Plein temps

Avantages offerts par ce poste

Private health insurance

Psychological support

Continuous learning opportunities

Security/cybersecurity practices

Work-life balance

Hexa community

Résumé du poste

Hexa Consulting ищет Senior Java Spring Boot разработчика для банковского сектора. Вы будете разрабатывать масштабируемые бэкенд-решения и микросервисы, обеспечивая безопасность и надежность. Ваша работа будет в международной инженерной среде, с поддержкой платежных приложений и междисциплинарными командами.

Требуется 6–9 лет опыта, образование в CS или эквивалент, свободное владение англ. и готовность работать в Лиссабоне 2 дня в неделю.

Qualifications

• 6–9 лет опыта разработки на Java, backend и микросервисы.
• Степень в информатике или эквивалентный опыт.
• Английский профессионального уровня для международного сотрудничества.
• Сильные аналитические и проблемно-ориентированные навыки.
• Готовность работать в офисе в Лиссабоне 2 дня в неделю.

Responsabilités

• Разработка и поддержка Java-микросервисов, API для финансовых операций.
• Проектирование надежных компонентов бэкенда с учетом масштабируемости и безопасности.
• Перевод требований в устойчивые решения совместно с командами.
• Реализация безопасной коммуникации между сервисами и внешними системами.
• Увеличение надежности через тестирование, отладку и код-ревью.
• Участие в стандартизации процессов, архитектурных паттернов и качества ПО.
• Поддержка автоматизированной интеграции и развёртывания.

Connaissances

Java backend

Microservices

REST APIs

Spring Boot

OAuth 2.0 / JWT

SQL databases

Multithreading

English (B2/C1)

Agile/Scrum/Kanban

Jira

Communication

Formation

Degree in Computer Science or Software Engineering

Outils

Jenkins

Description du poste

Описание:

Join Hexa as a Senior Java Spring Boot Developer and contribute to the development of secure, scalable backend solutions for the banking sector. You will work within an international engineering environment, supporting payment-related applications and collaborating with multidisciplinary teams.

Задачи:

• Develop and maintain Java-based microservices and APIs supporting financial transactions and business operations.
• Design reliable backend components with a focus on maintainability, scalability, security and performance.
• Translate functional and technical requirements into sustainable software solutions in collaboration with engineering and business teams.
• Implement secure communication mechanisms between distributed services and external systems.
• Improve application reliability through testing, debugging, performance analysis and code reviews.
• Contribute to the standardization of development practices, architecture patterns and software quality.
• Support the optimization of automated integration, testing and deployment processes.
• Collaborate with international teams in an Agile development environment.

Требования:

• 6 to 9 years of professional experience in Java development, particularly in backend and microservices environments.
• Academic background in Computer Science, Software Engineering or a related field, or equivalent professional experience.
• Proven ability to deliver complex backend solutions with technical autonomy and attention to software quality.
• Strong analytical capabilities and a structured approach to troubleshooting and problem-solving.
• Professional working proficiency in English, at B2/C1 level or equivalent, for daily international collaboration.
• Effective communication skills and a collaborative, proactive and solution-oriented working approach.
• Availability to work from the Lisbon office two days per week.
• Java 17/21 and object-oriented programming principles.
• Spring Boot 3.x, Spring MVC, Spring Security and Spring Data JPA.
• Microservices architecture, distributed systems and enterprise design patterns.
• RESTful APIs, API-first development and service integration.
• OAuth 2.0, JWT and secure API communication.
• SQL databases, including Oracle or PostgreSQL.
• Data modeling, query optimization and database performance.
• Multithreading, concurrency and application performance optimization.
• CI/CD pipelines using Jenkins, XL Deploy, XL Release or equivalent tools.
• Automated testing, code quality practices and technical debugging.
• Agile methodologies, including Scrum and Kanban, with Jira.
• Будет плюсом: Frontend development experience with Angular, preferably recent versions; Experience contributing to Fullstack application development; Professional working proficiency in French; Familiarity with banking systems or payment processing environments

Условия:

• Private health insurance from your first day, with no waiting period and optional family extension.
• Free and confidential psychological support through TEAM 24, including access to specialist resources and live sessions.
• Continuous learning opportunities, professional training and certification support.
• Opportunities to develop expertise in information security, software quality management and cybersecurity best practices.
• Flexibility aligned with the requirements of your role and professional responsibilities.
• Childcare vouchers and practical measures supporting work-life balance.
• A collaborative professional environment with accessible leadership, shared learning and opportunities to connect with the Hexa community.