Description

I am not what you think I am.

You are what you think I am.

If you want something to happen, it will happen. Actually it already happened and that in ways you could only dream of.

So align yourself ...

Industry field of expertise

Languages

English
Fluent
German
Native or bilingual
Portuguese
Basic

Workplace preferences

Remote only

Primarily works remotely

iSAX GmbH & Co KG
Senior Developer Data Scientist
INTERNET OF THINGS (IOT)
January 2018 - November 2024 (6 years and 10 months)
Dresden, Germany
• Development and scaling of high-performance web and cloud solutions for various industries
• Architecture consulting with a focus on performance and code quality
• Collaboration on large corporate projects with a focus on Industry 4.0 and data warehousing
• Performing code reviews and testing strategies
• Implementing and optimising complex data pipelines
• Designing, developing and optimising custom applications
• Introducing and implementing best practices in software development
• Working closely with interdisciplinary teams
• Mentoring and coaching employees to strengthen team skills
Git Back-End development Angular Java Internet of things
Sandro Heyer
Senior Fullstack Developer & IT-Consultant
January 2024 - Today (2 years and 7 months)
• CTO, consulting and technical responsibility on a voluntary basis
• Development of internet portals for various industries
• App development for process support for public institutions
• Requirements analysis, design and development of process support software
• Conducting code reviews
Java Git CI/CD Management Back-End development Front-End development
Avantgarde Labs GmbH
Fullstack Developer
BANKING AND INSURANCE
October 2009 - November 2018 (9 years and 1 month)
Dresden, Germany
Major German electronics manufacturer*:
o Optimisation of existing database business processes using big data technologies
German steel producer*:
o Planning and implementation of a data warehouse
Bank*:
o Analysis / takeover / continued operation / optimisation / administration and
new development of an existing data warehouse
German software company*:
o Consulting for the integration of search technologies into knowledge training software
Medium-sized companies and large corporations*:
o Germany-wide training courses in German and English for Talend Open Studio software
Studio
Large dating portal*:
o Architecture consulting to improve the performance of the existing search index
Medium-sized electronics retailer*:
o Development of an application for creating routes for automated
data delivery from external sources
Large international corporation*:
o Development of an application for the automatic categorisation of product data
Saxon State and University Library:
o Development of a multilingual semantic search engine
Creation of an internet voucher portal through live analysis of Twitter feeds
Development of a competition platform for scientific
research work
Training of customers
Data integration (ETL, ELT and data warehousing) SQL Server Java Oracle Data science

Be the first to recommend Sandro

Help this freelancer shine by sharing your experience working together.

Agatha Frydrych

Backend Java Software Engineer

4.7

(3)

Baptiste Duhen

Fullstack developer

4.6

(4)

Amed Hamou

Senior Lead Developer

(2)

Audrey Champion

Web developer

4.3

(3)

Signup to reveal

Staatlich geprüfter Assistent für Softwaretechnologie
b.i.b.
2006
Staatlich geprüfter Assistent für Softwaretechnologie

SQL Server Integration Services
mpdv
2014
SQL Injection SSIS ETL
Elastic core training
Elastic Search
2011
Elasticsearch Distributed Architecture

Data Engineer

Sandro Heyer

Mediator & Data Whisperer & Fullstacker

About Sandro

Experience

Recommendations

These freelancer profiles also match your criteria

Education

Certifications

Skill set

Categories