Senior Java Developer

EPAM Systems; Mexico; On-site; PHP 5,643,000 - 7,524,000; Full time

Benefits offered by this job

Healthcare benefits

Paid time off

Upskilling & certification

Global career opportunities

Volunteer opportunities

Job summary

EPAM Systems is seeking a Senior Java Developer to design, build, and optimize backend services using Java, Spring Boot, and microservices. You will implement REST APIs, work with MySQL data models, and collaborate across cross-functional teams to deliver scalable software.

The role emphasizes code quality, security, testing, and observability, with opportunities to leverage AI-assisted development tools and work on international projects.

Qualifications

• Minimum 3 years of hands-on Java and object-oriented development.
• Strong REST API design and API development practices.
• Experience with microservices and distributed systems.
• Good knowledge of MySQL, SQL, data modeling, and query optimization.
• Understanding of design principles, patterns, and clean code.
• Experience with unit and integration testing and modern frameworks.
• Familiarity with security fundamentals in API development.
• Experience with Git-based workflows, CI/CD, and modern delivery practices.
• Experience troubleshooting production apps using logs and metrics.

Responsibilities

• Design, develop, and maintain backend services using Java.
• Develop and enhance REST APIs for mobile apps and integrations.
• Work with MySQL: data modeling, queries, optimization, troubleshooting.
• Contribute to scalable backend and microservices architecture.
• Implement clean, secure, well-tested code following best practices.
• Investigate defects, performance issues, and production problems.
• Participate in code reviews, tech discussions, estimation, solution design.
• Collaborate with mobile developers, product stakeholders, QA, and backend engineers.
• Contribute to automated testing, observability, logging, and reliability.
• Leverage AI-assisted tools to improve productivity and quality.

Skills

Java

REST APIs

Microservices

MySQL

SQL

Security

CI/CD

Git

Testing

English

Tools

Git

CI/CD

JUnit

Observability tools

Job description

EPAM is a leading global provider of digital platform engineering and development services. We are committed to having a positive impact on our customers, our employees, and our communities. We embrace a dynamic and inclusive culture. Here you will collaborate with multi-national teams, contribute to a myriad of innovative projects that deliver the most creative and cutting-edge solutions, and have an opportunity to continuously learn and grow. No matter where you are located, you will join a dedicated, creative, and diverse community that will help you discover your fullest potential.

We are looking for a Senior Java Developer to join our team. The ideal candidate has strong hands‑on experience with Java backend development, Spring Boot, REST APIs, microservices, and relational databases. We are looking for someone who can work independently, understand existing systems quickly, contribute to technical decisions, and collaborate effectively within a cross‑functional engineering team.

Responsibilities

• Design, develop, and maintain backend services using Java
• Develop and enhance REST APIs supporting mobile applications and integrations with external systems
• Work with MySQL, including data modeling, query development, optimization, and troubleshooting
• Contribute to the design and evolution of scalable and maintainable backend and microservices architecture
• Implement clean, reliable, secure, and well‑tested code following software engineering best practices
• Investigate and resolve defects, performance issues, and production problems
• Participate in code reviews, technical discussions, estimation, and solution design
• Collaborate with mobile developers, product stakeholders, QA engineers, and other backend engineers to deliver end‑to‑end functionality
• Contribute to automated testing, observability, logging, and overall application reliability
• Leverage AI‑assisted development tools where applicable to improve development productivity, code quality, testing, and problem‑solving

Requirements

• A minimum of 3 years of hands‑on experience with Java and object‑oriented software development
• Strong understanding of REST API design and API development best practices
• Experience designing or working with microservices and distributed systems
• Good knowledge of MySQL, SQL, relational data modeling, and query optimization
• Understanding of software design principles, common design patterns, and clean code practices
• Experience with unit and integration testing and familiarity with modern testing frameworks
• Understanding of application security fundamentals, authentication, authorization, and secure API development
• Familiarity with Git‑based development workflows, CI/CD, and modern software delivery practices
• Experience troubleshooting production applications using logs, metrics, and other observability tools
• Strong analytical and problem‑solving skills with the ability to take ownership of tasks through completion
• Good communication skills and ability to collaborate effectively in a distributed, cross‑functional team
• Excellent English language skills (B2 level or higher)

Nice to have

• Experience working within cloud environments for deploying, scaling, and managing backend applications
• Familiarity with AI‑assisted software development tools to support coding, testing, and problem‑solving tasks

We offer

• International projects with top brands
• Work with global teams of highly skilled, diverse peers
• Healthcare benefits
• Employee financial programs
• Paid time off and sick leave
• Upskilling, reskilling and certification courses
• Unlimited access to the LinkedIn Learning library and 22,000+ courses
• Global career opportunities
• Volunteer and community involvement opportunities
• EPAM Employee Groups
• Award‑winning culture recognized by Glassdoor, Newsweek and LinkedIn

EPAM is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, age, sexual orientation, gender identity or expression, disability, protected veteran status, or any other characteristic protected by applicable law.