/Java Developer (e-commerce)

Java Developer (e-commerce)

Polandplvia direct
// Job Type
Full Time
// Salary
Not disclosed
// Posted
3 weeks ago
// Work Mode
hybrid

About the Role

About the role

Development of an e-commerce project for a client that is one of the largest companies in this sector in the country.

Our expectations

  • Min. 5 year of experience as Java Developer
  • Proven track record as a Software Engineer in delivering highly complex solutions.
  • Knowledge and experience with Java Ecosystem - Java, Kotlin, Groovy, Spring Framework, and other languages - Python, Go
  • Experience with Apache Spark, Apache Hadoop , Apache Mesos and TensorFlow
  • Knowledge of engineering practices & methodologies: TDD, DDD, CI/CD, Pair Programming
  • Fundamental experience and a strong interest in AI-driven solutions, particularly in LLM integration and agentic systems/frameworks.
  • Ability to lead the design and implementation of complex system features and components.
  • Strong sense of ownership over delivered solutions, including code quality, stability, scalability, and observability (monitoring, logging).
  • Experience in driving architectural decisions and evaluating technical trade-offs.
  • Proficiency in identifying and managing technical risks, dependencies, and technical debt.
  • Evaluating technical decisions through the lens of user impact, rather than solely fulfilling specifications.
  • Strong collaborative skills in working alongside engineers, Product Managers, and UX/UI Designers.
  • High level of autonomy and accountability, characteristic of contractor roles.
  • Advanced communication skillis both in Polish and English (at least B2 level).
  • Open to hybrid work from the client's Warsaw office.

Nice to have

  • Practical experience with cloud environments (GCP preferred) and Kubernetes.
  • Experience working with large-scale, distributed systems.
  • Experience in cross-team collaboration within complex organizational structures.
  • Providing technical mentorship and knowledge sharing within the project team.
  • Advising on technical best practices and driving the optimization of engineering standards across the project.

Main responsibilities

  • Design, build, and maintain highly scalable, robust Kotlin-based features and distributed components, taking full ownership of code quality, observability, and technical debt management.
  • Drive the technical implementation of cutting-edge AI capabilities by integrating LLMs, agentic frameworks, and smart automation into the core platform to directly enhance the end-user experience.
  • Act as a true autonomous contributor within a team of specialists and collaborate closely with Product Managers, UX Designers, and cloud engineers on GCP/Kubernetes while evaluating trade-offs, managing technical risks, and mentoring the team.

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