Senior Uniface Developer
Primary stack
Nice to have's
Job description
About the Position
#StayWithUkraine
We are looking for an experienced Senior Uniface Developer to join our Development department. You will work on mature, business-critical healthcare software used in production environments. The role focuses on maintaining existing functionality, improving stability and maintainability, and supporting the gradual modernization of long-lived applications and integrations. The candidate must be located in the EU.
Responsibilities
- Develop and maintain applications and components built with Rocket Uniface
- Analyze existing application logic, data flows, integrations, and dependencies
- Troubleshoot production issues and identify root causes in complex legacy systems
- Refactor and modernize existing Uniface components while preserving functional behavior
- Work with surrounding databases, APIs, and external application components
- Support migration and modernization initiatives involving legacy application architecture
- Collaborate with architecture, QA, product management, and other engineering teams
- Improve technical documentation and reduce dependency on undocumented legacy knowledge
Requirements
- Several years of professional Rocket Uniface development experience
- Strong understanding of Uniface application architecture, components, and development concepts
- Experience maintaining and extending large existing enterprise applications
- Strong debugging and problem-solving capabilities
- Experience working with relational databases and data-intensive applications
- Ability to understand complex legacy business logic and safely modify production systems
- Structured working style with strong quality standards
Nice to Have
- Experience with different generations of Uniface, particularly Uniface 9/10 or comparable enterprise environments
- Experience modernizing or migrating legacy applications
- Experience integrating Uniface with Java,.NET, C++, REST APIs or other external systems
- SQL and Oracle experience
- Experience with healthcare or other regulated software
- Experience using AI coding tools such as Claude Code, Codex or similar for code analysis and modernization
Languages
- Fluent English required
- German is an advantage
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Patternica is a software development company with expertise in building complex solutions for fintech, e-commerce, and transportation projects. We have realized that the days of the one-size-fits-all approach have gone. Instead, we are striving to apply the unique pattern for each IT project, focusing on quality, process flexibility, and customer profitability.With us, you can both equip your dedicated team with the lacking skillset or hire the professional staff to pass the full-cycle custom development process from A to Z. World Remit, ClicID, and Linnworks are among our clients. Upgrade the existing product with the new technology or develop a customized solution with true care about business outcomes!