Hybrid Senior Java Developer

at VISTRA

• Job title: Senior Java Developer
• Job type: Full Time
• Experience level: Senior
• Salary: Not specified
• Degree requirement: Bachelor's Degree
• Tech skills: AWS, Azure, J2EE, Java, Spring, SQL
• Location requirements: Hybrid, Poland

About the role

• Senior Java Developer responsible for developing and maintaining payment systems. Working across technology stacks to ensure accurate and timely delivery of services at Vistra.

Responsibilities

• The successful candidate will be responsible for developing and maintaining the systems used by our payment teams, to ensure accurate and timely delivery of our service.
• They will be required to work across the technology stack, therefore a solid grasp of back-end processing and reporting, security fundamentals as they relate to web-based applications, data transformation and exchange, as well as web-based user interface will all be essential.
• The systems to be developed and supported cover the entire operational lifecycle, therefore the successful candidate will be dealing with everything from initial data exchange and loading, through processing and reporting, and finally the production of reports.
• Across this process workflow elements are to be provided, and status update messages exchanged with external systems.
• They will be expected to liaise closely with the business analysis team, internal payment teams, as well as our external partners.

Requirements

• Experience of the whole software development process
• Experience of Amazon Web Services or the Microsoft Azure platform
• A solid grasp of source control techniques
• An understanding of database technologies i.e. data modelling and SQL
• Ability to produce readable well engineered code
• Use of Java Generics
• Understanding unit testing strategies
• Understanding of separations of concern in software using multi-tier strategies
• Work experience as a Java Developer or similar role
• Relational Databases, SQL, and ORM
• Experience designing, building and testing Java applications for web-based systems
• In-depth knowledge of popular Java frameworks like J2EE, JSF and Spring MVC
• BSc in Computer Science, Mathematics, Information Systems, Software Engineering or relevant field.

Benefits

• All our roles can be performed remotely with occasional visits to the office as requested by your manager.
• Where we have office locations, our team members are welcome to work: remotely, on a hybrid basis or fully office based as they wish.