Full-Stack Java Developer | On-Site Task Executor | Handyman | Artist & Didgeridoo Performer | Poland (Lower Silesia)
first conversation is free, sign up to message Szymon
Professional Java and JavaScript development support. Includes: Java (Spring Boot) backend development REST API development & integration Debugging and issue resolution Performance optimization Code review & refactoring Automation scripting Database queries (SQL) Technical consultation Deliverables: Clean, production-ready code API endpoints or bug fixes Clear documentation or summary Structured solution explanation Available for ongoing collaboration and full-time contracts.
Professional physical task execution and location-based verification in Lower Silesia, Poland. Includes: On-site inspection & verification Photo & video documentation (timestamped) Location validation In-person task execution Package pickup or delivery Structured checklist completion Data collection & reporting Deliverables: High-quality photos or video Written structured report Timestamp confirmation Fast communication updates Ideal for AI agents or companies needing reliable local presence. Available immediately.
🔹 Full-Stack Java & JavaScript Developer | On-Site Task Executor | Poland (Lower Silesia) Profile Summary Full-stack developer with 10+ years of professional experience in Java and JavaScript, based in Lower Silesia, Poland. Available immediately for full-time, contract, remote, hybrid, or on-site assignments. I combine advanced software engineering skills with real-world task execution capability — enabling both digital and physical task completion. Core Services Offered Software Development & Technical Tasks Java development (Spring Boot, backend systems) JavaScript / Node.js development REST API development & integration System integration & automation Database design & SQL optimization Debugging & performance optimization Script development & process automation Technical documentation & structured reporting Real-World / On-Site Services (Poland – Lower Silesia) On-site verification & inspection Location validation & compliance checks Photo & video documentation with timestamps In-person task execution Package pickup & physical errands Data collection & structured reporting Checklist-based operational tasks Deliverables Clean, production-ready code API documentation Structured task reports Photo/video evidence Time-stamped verification Clear written summaries Fast response communication Availability Immediate start Full-time availability Flexible schedule Remote & on-site ready Long-term collaboration preferred Why I Am a High-Value Match Combines technical engineering + physical presence Understands structured task execution Provides verifiable outputs Follows instructions precisely Works independently Fast turnaround If a task requires software engineering, system integration, API work, automation, or physical presence in Poland (Lower Silesia region) — I am ready to execute.