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Nikolay Konstantinov

About

Principal Software Engineer

Skilled principal software engineer with 11+ years of practical experience constructing and improving highly profitable Java back-end projects. Actively worked in mid-to-small teams, been part of corporations, and delivered great software products to thousands of customers. Contributed to many diverse systems - from standard web and mobile applications to complex, extensive data modules and large cloud-based solutions. Acquires a solid technical and soft skills stack and always wants to improve for the best. Currently, expressing a strong interest in working extensively in the Machine Learning domain.

Social Media:

Skills

AWS

American English

Core Java

Deep Learning

Docker

Git

IntelliJ IDEA

Java Frameworks

Jenkins

Machine Learning

Maven

Pycharm

Python

Redis

Scikit-Learn

Spring Boot

Open for

fulltime

parttime

internship

Work Experience

DXC.technology

2014-04 - 2018-03

Workplace
Senior Software Engineer
Location

Sofia, Bulgaria

Employement type

fulltime

Client - RBS (The Royal Bank of Scotland) | Java 1.6, Spark, Coherence • Successfully was part of a team that aimed to improve the bank’s grid-based risk ingestion system, dealing with tens of TB data records. • Actively participated in the research of an alternative solution, based on Spark, to the above system. Client - Euler Hermes | Java 1.6, JSF, WebSphere, DB2 • Extended and strengthened a web-based application for indemnification scenarios, which was heavily communicating with a lot of other systems via different protocols (SOAP, Message queuing). Client - Exceed J | Java 1.6, Apache Camel • Completed from scratch a file transformation module, whose function was to ease payroll deductions - receiving inputs (mainly files in flat-file format), performing actions on them, and then sending the result outputs to different endpoints.

Molesoftware GmbH

2011-03 - 2014-04

Workplace
Software Engineer
Location

Sofia, Bulgaria

Employement type

fulltime

Launched several financially successful B2C & B2B E-Commerce solutions, using the SAP’s Hybris framework. | Java 1.6, Hybris, JSF, Sencha Touch, Android SDK

Scalefocus

2018-04 - 2023-02

Workplace
Principal Software Engineer
Location

Sofia, Bulgaria

Employement type

fulltime

Client - Shutterfly | Java 11, Amazon Web Services, Spring 2 • Enabling new integration with a 3rd party search and merchandising vendor, aiming to achieve near-real-time (a couple of seconds) semi-automatic catalog updates. • Increased the number of product variants by more than 50K items and enriched Shutterfly’s presence in the Google shopping experience. • Stabilized and functionally upgraded different internal software applications in order to handle peak loads (more than 7K requests/min) - catalog update systems, monitoring tools, legacy architectures. • Started the integration with a 3rd party package delivery vendor, resulting in higher revenue for a subsidiary photo gear rental company. • Mentored and guided two interns who built strong skills, were beneficial to the company and successfully advanced their careers.

Academic Experience

Sofia University "St. Kliment Ohridski" -

 

2014.10 - 2020.07

Master of Science, MSc in Artificial Intelligence

Sofia University "St. Kliment Ohridski" -

 

2008.10 - 2012.09

Bachelor of Science, BSc in Software engineering