Java Tech Lead – pharmaceutical industry

We are looking for an experienced Senior Software Engineer / Tech Lead who will help us shape the technical direction, lead modernization efforts, and mentor our team on a strategic transformation to modernize systems, migrate parts of a large monolithic application, and evolve towards a more scalable, maintainable architecture.

Your tasks

• Lead the design and execution of modernization initiatives, including: refactoring and extracting functionality from a large Java monolith, migrating legacy applications (JSP, Swing, GWT, Stripes) to modern frameworks and architectures, as well as evaluating and introducing new technologies aligned with business needs

• Define the long-term technical roadmap for system upgrades, modularization, and scalability

• Work closely with stakeholders to understand business and regulatory requirements in the biotech/medical domain

• Provide hands-on technical leadership: write high-quality code, review contributions, and ensure best practices

• Mentor and support other engineers during the migration and modernization journey

• Collaborate with database experts on Oracle optimization and potential migration strategies

Requirements

• At least 8 years of professional software engineering experience with Java and enterprise systems, and leading or significantly contributing to modernization projects (e.g., monolith-to-modular/microservices, migration to cloud, refactoring legacy systems)

• Strong understanding of software architecture, design patterns, and system scalability

• Expertise with web technologies, APIs, and modern frameworks (Spring Boot, Angular/React, etc.)

• Solid knowledge of relational databases

• Familiarity with deployment environments (Tomcat, containers, CI/CD pipelines)

• Excellent communication skills and ability to collaborate with cross-functional teams with the use of both Polish and English

• Residing in Poland required

Nice-to-have requirements

• Experience in biotech/medical/healthcare software

• Oracle experience