Java Tech Lead – pharmaceutical industry

Sii Sp. z o.o.Łódź, Łódź, Poland

12 days ago

Job description

technologies-expected :

Java
Oracle Applications
Kubernetes
Docker
Spring Boot

technologies-optional :

Angular

React.js

about-project :

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.

responsibilities :

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-expected :

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

offered :

Great Place to Work since 2015 - it’s thanks to feedback from our workers that we get this special title and constantly implement new ideas

Employment stability - revenue of PLN 2.1BN, no debts, since 2006 on the market

We share the profit with Workers - over PLN 76M has already been allocated for this aim since 2022

Attractive benefits package - private healthcare, benefits cafeteria platform, car discounts and more

Comfortable workplace – class A offices or remote work

Dozens of fascinating projects for prestigious brands from all over the world – you can change them thanks to Job Changer application

PLN 1 000 000 per year for your ideas - with this amount, we support the passions and voluntary actions of our workers

Investment in your growth – meetups, webinars, training platform and technology blog – you choose

Fantastic atmosphere created by all Sii Power People

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Tech Lead • Łódź, Łódź, Poland

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