Jacek Aleksander G. Profile

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$10 USD / hour

gdynia,

poland

$10 USD / hour

It's currently 9:17 PM here

Joined September 6, 2015

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Jacek Aleksander G.

@jagcoaching

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(0 reviews)

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$10 USD / hour

gdynia,

poland

$10 USD / hour

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Data Processing Software Engineer

I am a seasoned programmer with 6 years of industry experience and 2 years of experience in academia. These experiences provided me with an opportunity to develop an understanding of what good software is and how to make it. My main priority is to maintain high quality of code from day one. I use the best tools, processes, design patterns, Clean Code and SOLID principles of software development to ensure the best results for my clients. I do automated data processing and data entry. I write bespoke transformation and data entry scripts for each job. I also take on other data related orders and other programming tasks in Java, Scala, Ruby, Python and C/C++. See my LinkedIn profile for more details. I am looking forward to your order.

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Portfolio

2162366

Solving Large-Scale Optimization Problems Related to Bell's

2162359

Nonclassicality of pure two-qutrit entangled states

2162355

Non-classicality thresholds for multiqubit states - numerica

2162366

Solving Large-Scale Optimization Problems Related to Bell's

2162359

Nonclassicality of pure two-qutrit entangled states

2162355

Non-classicality thresholds for multiqubit states - numerica

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Experience

EPAM Systems

Aug 2015 - Present

Underwent training in big data and developed software in Java and Scala for the Hadoop platform.

Jag Coaching

Nov 2014 - Aug 2015 (9 months, 1 day)

Led a team of developers for a local Internet and Multimedia Services Provider. Defined the process of software delivery and testing, defined and enforced quality standards, created and assigned tasks and monitored their execution. Encouraged knowledge sharing, worked with the internal client on the requirements and communicated them to the team. Developed numerical software in C++ and Ruby for the Bell inequality scientific group at University of Gdansk.

Kainos Software

Aug 2010 - Oct 2014 (4 years, 2 months)

Developed software as Senior Software Engineer using the Java technology stack on projects for the insurance, telecommunications, energy and healthcare industries.. The role involved client facing experience, lots of teamwork and both development and integration tasks. It required frequent travel to Ireland and the UK to work with both the client and the rest of the distributed team. Promoted to Senior Software Engineer in 2012. Acquired the Scrum Master certificate in 2014.

Education

Master of Informatics

Uniwersytet Gdanski,

Poland

2003 - 2008

(5 years)

Socrates-Erasmus

Lyngby Uddannelsescenter,

Denmark

2005 - 2006

(1 year)

Qualifications

Scrum.org

2014

https://www.scrum.org/Assessments/Professional-Scrum-Master-Assessments/PSM-I-Assessment

Coursera

2014

https://www.coursera.org/course/ml

Coursera

2012

https://www.coursera.org/course/progfun

Publications

Solving Large-Scale Optimization Problems Related to Bell's Theorem

Journal of Computational and Applied Mathematics

Impossibility of finding local realistic models for quantum correlations due to entanglement is an important fact in quantum information theory. We present an in-depth description of a method of testing the existence of such models, which involves linear programming (LP) optimization. We compare the performances of the existing implementation of the method, where the LP is solved with the simplex method, and our new implementation, where the LP is solved with a matrix-free interior point method.

Nonclassicality of pure two-qutrit entangled states

Phys. Rev. A, The American Physical Society

We report an exhaustive numerical analysis of violations of local realism by two qutrits in all possible pure entangled states. In Bell type experiments we allow any pairs of local unitary U(3) transformations to define the measurement bases. Surprisingly, Schmidt rank-2 states, resembling pairs of maximally entangled qubits, lead to the most noise-robust violations of local realism. The phenomenon seems to be even more pronounced for four and five dimensional systems.

Non-classicality thresholds for multiqubit states - numerical analysis

Phys. Rev. A, The American Physical Society

States that strongly violate Bell’s inequalities are required in many quantum-informational protocols as, for example, in cryptography, secret sharing, and the reduction of communication complexity. We investigate families of such states with a numerical method which allows us to reveal non-classicality even without direct knowledge of Bell’s inequalities for the given problem. An extensive set of numerical results is presented and discussed.