Jakub B.Private profile: Upwork shows its earnings only to signed-in members, so we check it every few weeks, not daily. MRR here is a rough estimate (Upwork's six-month earnings ÷ months active). Last read Nov 5, 2026.

Range of activities performed: - CALCULATIONS: mass, heat balances, heat transfer, hydraulics, mass transfer, numerical methods (eg MATLAB), thermodynamic, chemical kinetics - DESIGN: equipment sizing, process design, chemical engineering systems design, thermal design, mechanical design of heat exchangers, MOC (Materials of construction) selection - ECONOMICS & OPTIMIZATION: feasibility studies, economics ratios analysis, profitability analysis, topological optimization, parametric optimization - PROJECT MANAGEMENT: all FEL phases, all FEED phases, project schedule management - SAFETY & RISK: HAZOP analysis, HAZAN analysis, health risk assessment, process safety consulting - R&D: data research (mining), collaborative working, laboratory data analysis, steady state simulations, research on the possibility of new processes Helping with connect economy of resources and investments with environment and public safety. 6+ years in chemical industry directly at the plant.