Informacje o stanowisku

technologies-expected :

• Java

• Kotlin
• Scala
• Groovy
• Cloud Computing

• At Sii, we partner with a globally recognized e-commerce and marketplace leader, best known worldwide for enabling millions of buyers and sellers to connect through fast, reliable online shopping experiences. Together, we are building mission-critical logistics and delivery platforms that operate at massive scale and real-time speed.
• We are looking for an experienced Java-focused technical leader who combines strong engineering expertise with people leadership and a product mindset. If you enjoy shaping architecture, mentoring teams, and delivering solutions that impact millions of users every day, apply and build the future of digital commerce logistics with us!

• Lead and mentor a backend engineering team, setting clear technical direction and supporting continuous growth
• Design, develop, and evolve high-performance Java/JVM services for delivery time prediction and delivery method selection
• Ensure scalability and reliability of systems handling very high throughput and low-latency requirements
• Collaborate closely with product, data, analytics, and operations stakeholders to align technology with business goals
• Drive engineering best practices such as code reviews, CI/CD, system observability, and data-driven decision making

• At least 5 years of senior-level experience in Java backend development, including designing and maintaining distributed systems at scale
• Minimum 2 years of experience in a technical leadership role, involving mentoring engineers and guiding architectural decisions
• Strong understanding of high-availability, high-throughput architectures and the JVM ecosystem (Java required; Kotlin/Scala/Groovy as a plus)
• Ability to collaborate closely with business and product stakeholders, effectively balancing technical quality with business priorities
• Very good command of English at B2/C1 level, enabling fluent communication in an international environment
• Fluent Polish required
• Residing in Poland required

• 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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