Senior Java Fullstack Developer

Senior • Hybrid

Warsaw, Poland

We are looking for an experienced Senior Full Stack developer focused on leading projects, mentoring team members, and ensuring high-quality deliverables. As an senior developer, you will contribute to the development and enhancement of eMobility (EV) platforms and management systems, working on microservices architecture, cloud integration, and API development. You will gain hands-on experience in enterprise-level application development while collaborating with senior developers, architects, product managers and other roles involved in SDLC.

Your tasks

Lead the design of complex systems
Ensure the best practices of coding
Mentor team members
Collaborate with stakeholders
Drive technical innovation and best practices
Oversee technical direction and architecture

Requirements

At least 6 years of experience in Java (17+) and the Spring framework
Previous work on the front-end with TypeScript, Angular, RxJS, CSS, and HTML
Deep understanding of systems architectures and infrastructure
Proficiency in optimisation of web applications, state management and REST API
Familiarity with container orchestration (Docker, Kubernetes) and cloud platforms (AWS/Azure)
Knowledge of Git and CI/CD pipelines
Fluency in English and Polish
Residing in Poland required

Sii

Sii is a company recognized as a "Great Place to Work" since 2015, thanks to employee feedback and the implementation of new ideas. Established in 2006, Sii has demonstrated financial stability with a revenue of 2.1 billion PLN and no debts. The company shares its profits with employees, having allocated over 76 million PLN for this purpose since 2022. Sii offers a rich benefits package, including private healthcare, a cafeteria platform, and discounts on cars. Employees can work in comfortable A-class offices or remotely. Sii is involved in numerous fascinating projects for prestigious global brands and invests 1 million PLN annually to support employee passions and volunteer actions. The company emphasizes personal development through meetups, webinars, a training platform, and a technology blog. Sii is characterized by a fantastic atmosphere created by its "Sii Power People."