freiberufler Senior Data Engineer and Business Analyst auf freelance.de

Senior Data Engineer and Business Analyst

online
  • 75‐130€/Stunde
  • 2500 Baden
  • DACH-Region
  • en  |  de  |  fr
  • 25.11.2022

Kurzvorstellung

Senior Data engineer, analyst experienced in business intelligence analysis and analytics.
Working for over 10 years in data and business intelligence for Banking, Insurance and building complex python BI tools with real-time functionality.

Auszug Referenzen (7)

"I have worked with S. I. on this project and confirm he was part of the team in the roles of project management & sw development."
The 1st custom graphic design platform for the Middle East, based on design comp
Silviu
Tätigkeitszeitraum

11/2017 – 12/2017

Tätigkeitsbeschreibung

Tech Stack: Meteor.js, Blaze, React, MongoDB
Platform: SPA for browser, tablet & mobile responsive
Role: sr. software engineering, ui/ux, dev-ops, testing, technical support
Key features:
UI/UX implementation of the services with custom algorithms for notifications, contest expiry dates & handover of the designs, image processing via Cloudinary, large assets storage in AWS S3.
Payment Gateway implementation (Telr), analytics
Embedded FAQ app with smart search (React)

Eingesetzte Qualifikationen

Kanban (Softwareentwicklung), Testautomatisierung, Code Review, Software Design, Software Architektur / Modellierung, Software Analyse, Jira, User Experience (UX), User Interface (UI), React Native, React (JavaScript library)

"I have worked with S. I. on Autovers and confirm he was part of the team in the roles of project management & sw development."
Lead developer for a Real-Time React Web App with React.JS
Silviu
Tätigkeitszeitraum

12/2016 – 12/2017

Tätigkeitsbeschreibung

Software developer for a real-time application developed in with React.js and MongoDB on a Meteor framework

Eingesetzte Qualifikationen

MongoDB, DevOps (allg.), Software Design, React (JavaScript library)

"I have worked with S. I. on Piquantis Spectacle and confirm he was part of the team in the roles of project management & sw development."
Piquantis Spectacle
Silviu
Tätigkeitszeitraum

12/2016 – 12/2016

Tätigkeitsbeschreibung

Role: concept, sr software architects, sr. software engineering, ui/ux, dev-ops, testing, technical support

Piquantis is a CMS for restaurants, where the restaurant owner can create the restaurant page with menus, prices & photos. Customers can order online for home delivery. Piquantis offers the order management module via the dashboard, notifications.
Other applications: Restaurant Operations, Point of sales and payments, Customer fidelization .
Tech Stack: Meteor.js, React, MongoDB
Platform: SPA for browser, tablet & mobile responsive

Key features:
Menu creator for restaurant owner & dashboard to manage the order delivery status
Shopping cart for users that can order various menus and combinations
Real-time, notifications (push, email, SMS).

Eingesetzte Qualifikationen

MongoDB, Testautomatisierung, Code Review, User Experience (UX), User Interface (UI), React Native, React (JavaScript library)

"I confirm the project is working and S. and his team developed this project from beginning including architecture, development, tests, sales"
Spectacle online
jeanina
Tätigkeitszeitraum

5/2016 – 10/2017

Tätigkeitsbeschreibung

Tech Stack: Meteor.js, Blaze, MongoDB, Cordova
Platform: SPA for browser, tablet & mobile responsive. Optional native app
Role: concept, sr. software engineering, ui/ux, dev-ops, testing, technical support
Key features:
User private interface to create a deck of slides and push them to a display
Slide reordering via drag & drop
Controller for real-time management of the presentation slides

Eingesetzte Qualifikationen

Web Security, User Experience (UX), User Interface (UI), Webservices, React Native, React (JavaScript library), Markenmanagement, Distribution channels analysis

"I confirm that S. and his team developed this project from the beginning including architecture, development, tests, sales, warranty"
Scheduling algorithm, batch event integration with Google Calendar, other event
Kundenname anonymisiert
Tätigkeitszeitraum

12/2015 – 12/2016

Tätigkeitsbeschreibung

Sr. software engineering, ui/ux, dev-ops, testing, technical support
Tech Stack: Meteor.js, Blaze, React, MongoDB, FullCalendar, velocity.js
Platform: SPA for browser, tablet & mobile responsive

Eingesetzte Qualifikationen

iOS, Testmanagement / Testkoordination (IT), Testautomatisierung, Jira, React Native, React (JavaScript library), Enterprise project management (EPM), Postsales, Presales

"I confirm that S. and his team developed this project from beginning, including architecture, development, tests, sales, warranty."
Salesforce App - Contract Management
Kundenname anonymisiert
Tätigkeitszeitraum

12/2013 – 6/2015

Tätigkeitsbeschreibung

Manage cases resulting as automatic scheduling based on contract terms, manage employees schedules & leaves. Form teams to attend a case & verify case resolution (see also OSR project - designed for Operations Management)
Tech Stack: Salesforce, React, Redux, FullCalendar
Platform: Salesforce SPA
Role: sr. software engineering
Key features:
Salesforce automatic generation of cases based on a contract
Calendar app with year, month & day view showing the employees schedules
Employee leave management & employee load/schedule management for attending various cases (scheduled as per contract, on-demand, etc.)

Eingesetzte Qualifikationen

Salesforce, React Native, React (JavaScript library)

"I confirm that S. and his team developed this project from the beginning, including architecture, development, tests, sales, warranty."
Salesforce app - Offline Service Reports (OSR)
Kundenname anonymisiert
Tätigkeitszeitraum

12/2013 – 12/2014

Tätigkeitsbeschreibung

Offline Service Reports - native Android apps installed on the Company tablets. Integrates with Salesforce database, to keep track of the cases, filling in service reports, along with the attendance, as approved by client.
Tech Stack: Salesforce, React Native, Redux, Realm DB
Platform: Native App to work offline & synchronization module with Salesforce
Role: sr. software engineering, ui/ux, dev-ops, testing, technical support
Key features:
Salesforce API queries for 2-way communication (synchronization), Salesforce triggers, Apex, reports
Service report forms & signature pads as proof the engineer attended a case. Generation of PDF email with the service report, including signatures
Integration with Contract Management app to keep the schedules & cases in sync.

Eingesetzte Qualifikationen

Reporting, Salesforce, User Experience (UX), User Interface (UI), React Native, React (JavaScript library), Enterprise project management (EPM)

Ich biete

  • Big Data
  • Business Intelligence (BI)
  • Data Science
  • DB2
  • Jira
  • Machinelles Lernen (allg.)
  • Microsoft SQL Server Analysis Services (SSAS)
  • MicroStrategy
  • Oracle Business Intelligence (BI)
  • PostgreSQL
  • Projektmanagement - Kommunikation
  • Python
  • QlikView
  • Solution Architektur
  • Tableau

Projekt‐ & Berufserfahrung

Chief Architect Business Intelligence
Allianz SE, Vienna
12/2017 – offen (5 Jahre)
Versicherungen
Tätigkeitszeitraum

12/2017 – offen

Tätigkeitsbeschreibung

Build and maintain Business Intelligence and Data Warehouse for Allianz Worldwide Partners including data modeling, business reports creation, and maintenance on Oracle, IBM DB2 micro-strategy and SAS.
In this function, I had to perform all project activities from Requirements engineering to development, test and CUstomer acceptance tests for BI platform

Eingesetzte Qualifikationen

Big Data, Business Intelligence (BI), Data Science, DB2, Jira, Microsoft SQL Server Analysis Services (SSAS), MicroStrategy, Oracle Business Intelligence (BI), QlikView, Tableau

The 1st custom graphic design platform for the Middle East, based on design comp
grafeeki.com, Dubai
11/2017 – 12/2017 (2 Monate)
Dienstleistungsbranche
Tätigkeitszeitraum

11/2017 – 12/2017

Tätigkeitsbeschreibung

Tech Stack: Meteor.js, Blaze, React, MongoDB
Platform: SPA for browser, tablet & mobile responsive
Role: sr. software engineering, ui/ux, dev-ops, testing, technical support
Key features:
UI/UX implementation of the services with custom algorithms for notifications, contest expiry dates & handover of the designs, image processing via Cloudinary, large assets storage in AWS S3.
Payment Gateway implementation (Telr), analytics
Embedded FAQ app with smart search (React)

Eingesetzte Qualifikationen

Kanban (Softwareentwicklung), Testautomatisierung, Code Review, Software Design, Software Architektur / Modellierung, Software Analyse, Jira, User Experience (UX), User Interface (UI), React Native, React (JavaScript library)

Lead developer for a Real-Time React Web App with React.JS
Autoverse.ebig.biz, Timisoara
12/2016 – 12/2017 (1 Jahr, 1 Monat)
Automobilindustrie
Tätigkeitszeitraum

12/2016 – 12/2017

Tätigkeitsbeschreibung

Software developer for a real-time application developed in with React.js and MongoDB on a Meteor framework

Eingesetzte Qualifikationen

MongoDB, DevOps (allg.), Software Design, React (JavaScript library)

Piquantis Spectacle
, Timisoara
12/2016 – 12/2016 (1 Monat)
Dienstleistungsbranche
Tätigkeitszeitraum

12/2016 – 12/2016

Tätigkeitsbeschreibung

Role: concept, sr software architects, sr. software engineering, ui/ux, dev-ops, testing, technical support

Piquantis is a CMS for restaurants, where the restaurant owner can create the restaurant page with menus, prices & photos. Customers can order online for home delivery. Piquantis offers the order management module via the dashboard, notifications.
Other applications: Restaurant Operations, Point of sales and payments, Customer fidelization .
Tech Stack: Meteor.js, React, MongoDB
Platform: SPA for browser, tablet & mobile responsive

Key features:
Menu creator for restaurant owner & dashboard to manage the order delivery status
Shopping cart for users that can order various menus and combinations
Real-time, notifications (push, email, SMS).

Eingesetzte Qualifikationen

MongoDB, Testautomatisierung, Code Review, User Experience (UX), User Interface (UI), React Native, React (JavaScript library)

Spectacle online
, Dubai
5/2016 – 10/2017 (1 Jahr, 6 Monate)
Dienstleistungsbranche
Tätigkeitszeitraum

5/2016 – 10/2017

Tätigkeitsbeschreibung

Tech Stack: Meteor.js, Blaze, MongoDB, Cordova
Platform: SPA for browser, tablet & mobile responsive. Optional native app
Role: concept, sr. software engineering, ui/ux, dev-ops, testing, technical support
Key features:
User private interface to create a deck of slides and push them to a display
Slide reordering via drag & drop
Controller for real-time management of the presentation slides

Eingesetzte Qualifikationen

Web Security, User Experience (UX), User Interface (UI), Webservices, React Native, React (JavaScript library), Markenmanagement, Distribution channels analysis

Scheduling algorithm, batch event integration with Google Calendar, other event
, San Francisco
12/2015 – 12/2016 (1 Jahr, 1 Monat)
Dienstleistungsbranche
Tätigkeitszeitraum

12/2015 – 12/2016

Tätigkeitsbeschreibung

Sr. software engineering, ui/ux, dev-ops, testing, technical support
Tech Stack: Meteor.js, Blaze, React, MongoDB, FullCalendar, velocity.js
Platform: SPA for browser, tablet & mobile responsive

Eingesetzte Qualifikationen

iOS, Testmanagement / Testkoordination (IT), Testautomatisierung, Jira, React Native, React (JavaScript library), Enterprise project management (EPM), Postsales, Presales

Salesforce App - Contract Management
MVP Tech, Dubai, Abu-Dhabi, Sharjah
12/2013 – 6/2015 (1 Jahr, 7 Monate)
Öl- und Gasindustrie
Tätigkeitszeitraum

12/2013 – 6/2015

Tätigkeitsbeschreibung

Manage cases resulting as automatic scheduling based on contract terms, manage employees schedules & leaves. Form teams to attend a case & verify case resolution (see also OSR project - designed for Operations Management)
Tech Stack: Salesforce, React, Redux, FullCalendar
Platform: Salesforce SPA
Role: sr. software engineering
Key features:
Salesforce automatic generation of cases based on a contract
Calendar app with year, month & day view showing the employees schedules
Employee leave management & employee load/schedule management for attending various cases (scheduled as per contract, on-demand, etc.)

Eingesetzte Qualifikationen

Salesforce, React Native, React (JavaScript library)

Salesforce app - Offline Service Reports (OSR)
MVP Tech Dubai, Dubai, Abi-Dhabi, Sharjah
12/2013 – 12/2014 (1 Jahr, 1 Monat)
Öl- und Gasindustrie
Tätigkeitszeitraum

12/2013 – 12/2014

Tätigkeitsbeschreibung

Offline Service Reports - native Android apps installed on the Company tablets. Integrates with Salesforce database, to keep track of the cases, filling in service reports, along with the attendance, as approved by client.
Tech Stack: Salesforce, React Native, Redux, Realm DB
Platform: Native App to work offline & synchronization module with Salesforce
Role: sr. software engineering, ui/ux, dev-ops, testing, technical support
Key features:
Salesforce API queries for 2-way communication (synchronization), Salesforce triggers, Apex, reports
Service report forms & signature pads as proof the engineer attended a case. Generation of PDF email with the service report, including signatures
Integration with Contract Management app to keep the schedules & cases in sync.

Eingesetzte Qualifikationen

Reporting, Salesforce, User Experience (UX), User Interface (UI), React Native, React (JavaScript library), Enterprise project management (EPM)

Ausbildung

IBM Data Science

(Ausbildung)
Jahr: 2021
Ort: online
Master of Business Administration

(MBA for technology companies)
Jahr: 2013
Ort: Manchester Business School
computer science

(software and hardware architecture)
Jahr: 1998
Ort: Polytechnics of Timisoara

Qualifikationen

Consider my expertise:

AI and ML expertise on Data Engineering, Exploratory data analysis, models training, and deployment
Frontend & Backend - Test-driven development (TTD), Behavior-driven development (BDD)

Business Intelligence Oracle, Microstrategy, Tableau, and IBM

API development & Server side software development (backend) Python based

Databases - SQL: MySQL, PostgreSQL, NoSQL: MongoDB, API (REST & GraphQL)

QA - Testing & Quality assurance, continuous integration, backward compatibility
DevOps - server-side settings, staging, tests & deployment, updates, and continuous deployment

Über mich

Lotus21 Investments - AI and ML senior expert
Skilled in developing great Data applications, ML and AI application

In our projects, we start from your requirement, discuss and propose technical solutions for implementation, its merits in comparison with other existing technologies and reply with a work plan and a quotation.


We work with different technologies from python, java and big databases to the latest react.js and angular web and mobile applications; we did work with Oracle, Microstrategy, and DB2 SQL databases; We also managed complex Smart Metering and Smart Grid projects in Europe.

I'll be happy to have a discussion with you on your particular requirement.

Persönliche Daten

Sprache
  • Englisch (Fließend)
  • Deutsch (Fließend)
  • Französisch (Fließend)
  • Italienisch (Fließend)
  • Rumänisch (Muttersprache)
Reisebereitschaft
DACH-Region
Arbeitserlaubnis
  • Europäische Union
  • Schweiz
Profilaufrufe
3044
Alter
47
Berufserfahrung
25 Jahre und 10 Monate (seit 01/1997)
Projektleitung
22 Jahre

Kontaktdaten

Nur registrierte PREMIUM-Mitglieder von freelance.de können Kontaktdaten einsehen.

Jetzt Mitglied werden