Senior Full-Stack Developer (Java)

About the Position

We are expanding our delivery team and hiring a Senior Full-Stack Developer (Java) for a large-scale energy project in Prague, Czech Republic. This is not a greenfield project. The system is live, complex, and business-critical, serving real users, processing production data, and supporting regular releases. The solution operates in the energy domain and supports core business processes, requiring a high level of reliability, scalability, and engineering discipline. The project is a long-term enterprise implementation where development is closely integrated with delivery, QA, and product teams.

Responsibilities

• Design and implement technical solutions based on business and functional requirements.
• Translate requirements into scalable and maintainable system designs.
• Participate in solution design and technical decision-making together with architects and senior engineers.
• Develop high-quality, maintainable, and robust backend and frontend functionality.
• Apply software engineering best practices, including design patterns, unit testing, and continuous integration.
• Integrate multiple system components into cohesive end-to-end solutions.
• Collaborate closely with QA engineers, Product Owners, Business Analysts, and other stakeholders throughout the delivery cycle.
• Review customer and stakeholder feedback and incorporate it into ongoing development.
• Participate in code reviews and contribute to improving overall code quality.
• Contribute to technical documentation and knowledge sharing within the team.
• Support the long-term stability, scalability, and evolution of a live production system.

Requirements

• Expert-level proficiency in Java and a strong understanding of Object-Oriented Programming (OOP) principles.
• Solid hands-on experience with Java EE and/or Spring frameworks.
• Confident working knowledge of XML and JSON.
• Experience building and supporting multi-tier, client-server enterprise applications.
• Practical experience with unit testing, CI/CD pipelines, and development automation tools.
• Understanding of asynchronous programming and concurrent computations.
• Strong SQL skills and experience working with relational databases (RDBMS).
• Practical knowledge of JavaScript.
• Upper-Intermediate English or higher.
• Strong communication, collaboration, and organizational skills.
• Ability to work with real production data and complex business logic.

Nice to Have

• Master’s degree in Computer Science or a related technical field.
• 10+ years of professional software development experience.
• Previous experience in a technical leadership, mentoring, or architectural role is a strong plus.
• Experience working on enterprise-level, long-living systems in active delivery environments is highly valued.

We Offer

• Opportunity to work on a large-scale enterprise solution used in a real production environment.
• Exposure to complex business processes within the energy industry.
• Participation in long-term product evolution and strategic transformation initiatives.
• 20 working days of annual vacation plus paid public holidays.
• Paid professional development, including trainings, conferences, seminars, certification programs, and English language courses.
• Flexible working hours and the possibility of remote work.

About the Company

If you enjoy working with enterprise-scale systems, solving complex business challenges, and developing reliable software that delivers real value to customers, you will feel comfortable in this role and be a strong fit for MaxBill in Prague.

Get in Touch

Submit your CV, we will contact you as soon as possible.

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