Senior Java Developer (Monolithic Architecture)- (English Required)

Job Description

Join DaCodes!

We are a high-impact software and digital transformation firm.

For over 10 years, we have developed technology-driven and innovative solutions thanks to our team of 220+ talented #DaCoders, including developers, architects, UX/UI designers, PMs, QA testers, and more. Our team collaborates on projects with clients across LATAM and the United States, delivering outstanding results.

At DaCodes, you will have the opportunity to grow professionally, work on a variety of projects across different industries, and leverage cutting-edge technologies.

Our DaCoders play a crucial role in the success of our company and our clients. You will have the chance to work with disruptive startups and global brands while contributing your expertise to impactful projects.

Sounds interesting?

We are looking for talented professionals to join our team—let’s work together!

The ideal candidate has a unique combination of technical expertise, problem-solving skills, ownership mindset, and a collaborative spirit.

Requirements

We are seeking a Senior Java Developer with expertise in monolithic application architecture to maintain, enhance, and modernize existing enterprise systems. The ideal candidate will have extensive experience in Java EE, Spring, and database management, ensuring application stability, scalability, and performance.

Key Responsibilities

✅ Maintain and enhance large-scale monolithic Java applications.
✅ Optimize performance and scalability of enterprise applications.
✅ Design and develop APIs and web services for integration with other systems.
✅ Implement security best practices in authentication and data handling.
✅ Work with relational databases (SQL Server, PostgreSQL, Oracle).
✅ Ensure code quality and maintainability through rigorous testing and code reviews.
✅ Collaborate with DevOps teams for CI/CD automation.
✅ Document system architecture, changes, and best practices.
✅ Assist in application modernization efforts, potentially transitioning to microservices.

Required Qualifications

🔹 5+ years of experience in Java EE development.
🔹 Strong expertise in Spring Framework (Spring Boot, Spring MVC, Spring Security).
🔹 Experience with SQL databases (PostgreSQL, Oracle, MySQL).
🔹 Proficiency in developing RESTful APIs and SOAP web services.
🔹 Experience working with legacy enterprise applications.
🔹 Strong debugging, problem-solving, and performance optimization skills.
🔹 Familiarity with Docker and containerization is a plus.
🔹 Advanced English proficiency (B2 or higher) for collaboration with international teams.

Nice-to-Have Skills (Preferred)

✅ Experience in application modernization and transitioning to microservices.
✅ Familiarity with CI/CD pipelines, Jenkins, GitHub Actions.
✅ Knowledge of cloud platforms (AWS, Azure, GCP).

Benefits

🚀 Work with global brands and disruptive startups.
🏡 Remote work / Home office.
📍 If a hybrid or on-site model is required, you will be informed from the first session.
⏳ Work schedule aligned with the assigned project/team.
📅 Monday to Friday schedule.
⚖️ Legal benefits (Applicable for Mexico).
🎉 Day off on your birthday.
🏥 Private health insurance (Applicable for Mexico).
🛡️ Life insurance (Applicable for Mexico).
🌎 Multicultural teams.
🎓 Access to courses and certifications.
📢 Meetups with industry experts and top universities.
📡 Virtual networking events and interest groups.
📢 English classes.
🏆 Opportunities within our different business lines.
🏅 Proudly certified as a Great Place to Work.