Principal Full-stack Engineer (10846)

SUMMARY

170 - 200 PLN/h (B2B)

PLN brutto (UOP)

Kraków (Hybrid - 2 days office / 3 days remote)

Principal

Project

You will join a global Data & Insights technology programme focused on modernizing and migrating an existing enterprise reporting and analytics platform from a vendor-based BI solution to a cloud-native architecture on Google Cloud Platform.

The project involves building and evolving large-scale microservice-based web applications enabling scalable data access and visualization and supporting cross-country teams during a significant technology stack transformation.

You will

• Design develop test and implement scalable cloud-based full-stack applications using modern technologies.
• Work independently as well as collaboratively within a cross-country agile delivery team
• Contribute to and influence system architecture high-level and low-level designs and end-to-end impact analysis.
• Support the Data & Insights team in migrating existing reporting solutions from vendor BI tools to cloud-native platforms.
• Build and maintain backend services using Java and Spring Boot exposing RESTful APIs
• Develop modern responsive frontend applications using React TypeScript and JavaScript.
• Mentor and support other engineers sharing knowledge and best practices to enable smooth adoption of new technologies
• Follow established IT development methodologies coding standards and corporate information security policies.
• Produce clear technical documentation aligned with the product owners vision and delivery goals.
• Contribute to CI/CD pipelines and ensure high-quality reliable production releases.

Must have

• 10 years of professional experience delivering large-scale enterprise-grade web applications in full-stack roles
• Strong hands-on experience with Java (Java 17) Spring / Spring Boot and RESTful APIs
• Strong hands-on experience with React JavaScript TypeScript and modern frontend development practices
• Proven experience working with Google Cloud Platform (GCP) services
• Solid experience with microservice-based architectures
• Experience working with relational databases and data platforms such as PostgreSQL BigQuery or AlloyDB
• Strong experience using Git and source control management systems (e.g. GitHub)
• Hands-on experience in creating high-level and low-level technical designs
• Good understanding of CI/CD pipelines and tools such as Jenkins
• Strong communication skills with a natural desire to mentor and explain complex technical concepts clearly
• Ability to work independently and take ownership of technical outcomes
• Fluent English and Polish

Our offer

• Relocation package (4500 PLN total value) paid in three installments (1500 PLN per month) in case your permanent presence in the office is mandatory and you need to relocate from another city.
• Benefits: Extended medical care (over 2000 medical facilities in Poland 80 in Kraków) for you and your family; Multisport Benefit card; life insurance

Required Experience:

Staff IC