Bartosz Grelewski Email & Phone Number

SAP ConsultantSAP ABAP Developer Commercial knowledge/experience in workTechnologies:ALV GRID, RFC, SAP Script, Smart Forms, Adobe Forms, IDOC, OO (Object Oriented) Programming, Standard DYNPRO, WEB DYNPRO for JAVA and for ABAP, SAP Workflow, GOS, DMS, ST, DMEE, XSLT, GOS, BAPI, BADI, SAPUI5, FIORI, REST.Technical knowledge:SD – Sales and Distribution, MM – Material ManagementFI - Financial AccountingRecently, I have been refining my German language skills to achieve full fluency in pronunciation, along with mastering technical vocabulary in the areas of SAP FI/MM/HR.Study/academic - list of skills and technologies for a specialization in Algorithmic Computer Science:Scientific Computing- Numerical methods for differential equations- High-performance computing (HPC)Machine Learning- Supervised and unsupervised learning algorithms- Deep learning and neural networksAlgorithm Design and Analysis- Dynamic programming- Divide and conquer strategies- Approximation algorithms- Randomized algorithms- Complexity analysis (time and space complexity)Discrete Optimization- Integer programming- Combinatorial optimization- Graph algorithms and network flows- Constraint satisfaction problems- Heuristic and metaheuristic algorithmsBig Data and Data Analysis- Scalable algorithms for large datasets- Data mining and pattern recognition- Data structures for efficient data storage and retrievalCryptography- Public-key and symmetric-key cryptography- Hash functions and digital signatures- Secure communication protocols- Cryptanalysis techniquesOptimization Methods- Linear and nonlinear programming- Convex optimization- Stochastic and robust optimizationTheory of Computation and Computational Complexity- Automata theory and formal languages- Turing machines and computational models- Complexity classes (P, NP, NP-hard, NP-complete)Programming Languages and Tools- Python, C++, Java, MATLAB- Libraries and frameworks: TensorFlow, PyTorch, NumPy, Scikit-learnIn my free time, I am passionate about photography and filmmaking. I am a perfectionist, always striving to achieve a high level of expertise in the areas I am interested in. I am proficient in conducting portrait and business sessions, as well as covering events and festivals, both in photography and film. My experience includes creating aftermovies, instructional videos, corporate films, reels, interviews and city night-life photography.