Montreal Oficial
1001 - 5000 employees
Founded 1986
🔒 Cybersecurity
☁️ SaaS
Cybersecurity • SaaS • BPO
Montreal Oficial is a technology company providing innovative solutions in secure identification and authentication, operational continuity, intelligent management, and automation. They specialize in advanced biometric technologies, data center and cloud solutions, and business process outsourcing. Montreal Oficial aims to support public and private institutions with efficient, secure, and connected services, driving digital transformation and addressing complex challenges faced by their clients.
Senior Software Developer – Java
Job not on LinkedIn
🕒 April 13
🗣️🇧🇷🇵🇹 Portuguese Required
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Montreal Oficial
1001 - 5000 employees
Founded 1986
🔒 Cybersecurity
☁️ SaaS
Cybersecurity • SaaS • BPO
Montreal Oficial is a technology company providing innovative solutions in secure identification and authentication, operational continuity, intelligent management, and automation. They specialize in advanced biometric technologies, data center and cloud solutions, and business process outsourcing. Montreal Oficial aims to support public and private institutions with efficient, secure, and connected services, driving digital transformation and addressing complex challenges faced by their clients.
📋 Description
• Support and evolve critical systems in a legacy Java environment • Develop and maintain features while adhering to existing patterns • Analyze and propose improvements in architecture, performance, and maintainability • Diagnose and resolve complex issues, including performance, concurrency, and memory • Perform production troubleshooting and root cause analysis • Conduct code reviews and provide technical support to the team • Collaborate with QA, DevOps, and business stakeholders • Support modernization initiatives such as refactoring and decoupling
🎯 Requirements
• Strong experience with Java, especially legacy versions • Bachelor's degree in Information Technology or a related field • Proficiency with JPA (1.0 / 2.0), EntityManager and the persistence context • Experience with JPQL and query optimization • Knowledge of loading strategies (LAZY and EAGER) • Experience with transaction management (JTA, commit/rollback and propagation) • Experience with EJB 2.x / 3.x • Experience with legacy Servlets, JSP or JSF • Experience with JCompany and Jaguar (desirable) • Strong SQL skills • Experience tuning queries and analyzing execution plans • Knowledge of using ORM and native SQL • Experience with relational databases (Oracle, PostgreSQL, or similar) • Experience in debugging and root cause analysis • Knowledge of concurrency and performance issues • Experience with Git and code review practices
🏖️ Benefits
• Opportunities for people with disabilities (PcD) • Remote work • Equipment provided
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