Senior Java Developer (with Python skills)

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We're looking for a Senior Java Developer (with Python skills) to join our team in Spain in a remote working mode. In this role, you will design, develop, and maintain highly scalable backend applications using Java and Python/Django, working across the full software development lifecycle from requirements analysis to production deployment.You will contribute to business-critical financial platforms for a leading global financial market infrastructure provider, collaborate closely with architects, product owners, and security specialists, and help ensure adherence to secure coding practices and modern development standards.ResponsibilitiesDesign, develop, and maintain Java-based backend services and RESTful APIs using Spring BootImplement and enhance Python/Django components as part of integrated solutionsParticipate in requirements analysis, solution design, and technical planningEnsure robust database interaction leveraging relational databases (PostgreSQL, MySQL), including schema design and query optimizationFollow clean code practices and object-oriented design principles to deliver maintainable, production-ready codeWrite unit and integration tests using JUnit, Mockito or equivalent frameworksPerform peer code reviews, ensure code quality and adherence to standardsSupport CI/CD practices via GitLab pipelines and modern DevOps workflowsConfigure application observability via monitoring and logging tools (Datadog or similar)Ensure compliance with secure development best practices, including OWASP guidelinesCollaborate with cross-functional teams and contribute to end-to-end delivery, including release support and defect resolutionRequirements5+ years of professional software development experience, with Java backend expertise (Java 17+, Spring Boot, Spring Data JPA/Hibernate)Practical knowledge of Python and Django frameworksExperience designing scalable backend services and REST API architecturesProficiency with SQL and relational databases, including schema management and performance tuningDeep knowledge of clean code principles, OOP design patterns and maintainable architectureHands-on experience with CI/CD (Git, GitLab) and collaborative workflowsFamiliarity with monitoring, logging and observability frameworks (e.g., Datadog)Knowledge of secure coding standards including authentication and authorization frameworks (OAuth2, JWT, SSO)Strong analytical mindset and ability to troubleshoot complex problemsEnglish proficiency at B2 level or higherNice to haveExperience with cloud platforms (AWS or Azure)Knowledge of containerization/orchestration tools (Docker, Kubernetes)Familiarity with microservices architecture and event-driven systems (Kafka, RabbitMQ)Exposure to static code analysis and vulnerability scanning tools (SonarQube, BlackDuck, Trivy)Experience in system design, technical leadership or mentoring rolesAwareness of cybersecurity standards, HTTP fundamentals and networking conceptsWe offerPrivate health insuranceEPAM Employees Stock Purchase Plan100% paid sick leaveReferral ProgramProfessional certificationLanguage coursesEPAM is a leading digital transformation services and product engineering company with 61,700+ EPAMers in 55+ countries and regions. Since 1993, our multidisciplinary teams have been helping make the future real for our clients and communities around the world. In 2018, we opened an office in Spain that quickly grew to over 1,450 EPAMers distributed between the offices in Málaga, Madrid and Cáceres as well as remotely across the country. Here you will collaborate with multinational teams, contribute to numerous innovative projects, and have an opportunity to learn and grow continuously.Why Join EPAMWORK AND LIFE BALANCE. Enjoy more of your personal time with flexible work options, 24 working days of annual leave and paid time off for numerous public holidays.CONTINUOUS LEARNING CULTURE. Craft your personal Career Development Plan to align with your learning objectives. Take advantage of internal training, mentorship, sponsored certifications and LinkedIn courses.CLEAR AND DIFFERENT CAREER PATHS. Grow in engineering or managerial direction to become a People Manager, in-depth technical specialist, Solution Architect, or Project/Delivery Manager.STRONG PROFESSIONAL COMMUNITY. Join a global EPAM community of highly skilled experts and connect with them to solve challenges, exchange ideas, share expertise and make friends.

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Common Interview Questions And Answers

1. HOW DO YOU PLAN YOUR DAY?

This is what this question poses: When do you focus and start working seriously? What are the hours you work optimally? Are you a night owl? A morning bird? Remote teams can be made up of people working on different shifts and around the world, so you won't necessarily be stuck in the 9-5 schedule if it's not for you...

2. HOW DO YOU USE THE DIFFERENT COMMUNICATION TOOLS IN DIFFERENT SITUATIONS?

When you're working on a remote team, there's no way to chat in the hallway between meetings or catch up on the latest project during an office carpool. Therefore, virtual communication will be absolutely essential to get your work done...

3. WHAT IS "WORKING REMOTE" REALLY FOR YOU?

Many people want to work remotely because of the flexibility it allows. You can work anywhere and at any time of the day...

4. WHAT DO YOU NEED IN YOUR PHYSICAL WORKSPACE TO SUCCEED IN YOUR WORK?

With this question, companies are looking to see what equipment they may need to provide you with and to verify how aware you are of what remote working could mean for you physically and logistically...

5. HOW DO YOU PROCESS INFORMATION?

Several years ago, I was working in a team to plan a big event. My supervisor made us all work as a team before the big day. One of our activities has been to find out how each of us processes information...

6. HOW DO YOU MANAGE THE CALENDAR AND THE PROGRAM? WHICH APPLICATIONS / SYSTEM DO YOU USE?

Or you may receive even more specific questions, such as: What's on your calendar? Do you plan blocks of time to do certain types of work? Do you have an open calendar that everyone can see?...

7. HOW DO YOU ORGANIZE FILES, LINKS, AND TABS ON YOUR COMPUTER?

Just like your schedule, how you track files and other information is very important. After all, everything is digital!...

8. HOW TO PRIORITIZE WORK?

The day I watched Marie Forleo's film separating the important from the urgent, my life changed. Not all remote jobs start fast, but most of them are...

9. HOW DO YOU PREPARE FOR A MEETING AND PREPARE A MEETING? WHAT DO YOU SEE HAPPENING DURING THE MEETING?

Just as communication is essential when working remotely, so is organization. Because you won't have those opportunities in the elevator or a casual conversation in the lunchroom, you should take advantage of the little time you have in a video or phone conference...

10. HOW DO YOU USE TECHNOLOGY ON A DAILY BASIS, IN YOUR WORK AND FOR YOUR PLEASURE?

This is a great question because it shows your comfort level with technology, which is very important for a remote worker because you will be working with technology over time...