Dennis Zelada - Co-founder & Chief Technology Officer

Q: Where is Dennis based?

Dennis is based in Berlin, Germany and can operate in on-site , hybrid , and remote work models.

Q: What languages does Dennis speak?

Dennis speaks the following languages: English (Advanced), Spanish (Advanced), German (Elementary) .

Q: How many years of experience does Dennis have?

Dennis has at least 16 years of experience. During this time, Dennis has worked in at least 5 different roles and for 6 different companies . The average length of individual experience is 3 years and 8 months . Note that Dennis may not have shared all experience and actually has more experience.

Q: What is Dennis's latest experience?

Dennis's most recent position is Co-founder & Chief Technology Officer at Delta Technologies .

Q: What companies has Dennis worked for in recent years?

In recent years, Dennis has worked for Delta Technologies and Wishpond Technologies .

Q: Which industries is Dennis most experienced in?

Dennis is most experienced in industries like Information Technology .

Q: Which business areas is Dennis most experienced in?

Dennis is most experienced in business areas like Product Development , Information Technology , and Operations . Dennis also has some experience in Research and Development and Strategy .

Q: Which industries has Dennis worked in recently?

Dennis has recently worked in industries like Information Technology .

Q: Which business areas has Dennis worked in recently?

Dennis has recently worked in business areas like Information Technology and Product Development .

Recommended expert

Berlin, Germany

Experience

Apr 2023 - Present

3 years

Germany

Co-founder & Chief Technology Officer

Delta Technologies

Spearheaded the company's technical vision, ensuring product-market fit and customer-centric product development
Cultivated strong customer relationships to gather feedback and refine product offerings
Led technical team of 4 FTEs in developing and integrating robust APIs with e-commerce and accounting platforms
Championed agile methodologies, adapting swiftly to market and customer requirements
Raised funding from renowned angels and early stage ventures in Germany

Sep 2020 - Mar 2023

2 years 7 months

Canada

Chief Technology Officer / Chief Product Officer

Wishpond Technologies

Directed AI-driven solution development, enhancing business capabilities with predictive analytics and automation
Managed a multinational engineering team of 50+ across different time zones, fostering a collaborative and inclusive culture
Instrumental in company acquisitions and integrating new technologies and teams
Created multiple internal schools for tech leads and DevOps to increase the learning culture
Contributed to the IPO
Increased team satisfaction from 2.5 to 4.5 over 5 and maintained consistency

Feb 2020 - Sep 2020

8 months

United States

Chief Technology Officer

ClosedWon

Led a global team of 10+ and an external agency, focusing on technology assessment, code redevelopment, and investor engagement
Contributed to the successful sale of the company by enhancing product capabilities and market positioning

Sep 2016 - Feb 2020

3 years 6 months

United States

Chief Technology Officer

WiseBuffet / Creatrix

Grew the engineering team from 3 to 150+ global team members, overseeing diverse product and service expansions
Appointed CTO at Creatrix with responsibilities including managing 35 business units

Aug 2013 - Aug 2016

3 years 1 month

United States

Chief Technology Officer & Co-Founder

Browsy

Developed a proprietary algorithm using machine learning and computer vision in collaboration with Google's AI team
Led a global team of 10+, culminating in the successful sale of data to a third-party provider

Apr 2010 - Jul 2013

3 years 4 months

United States

Team Lead & Solutions Architect

Xerox

Managed a global team of 30+, responsible for designing and architecting infrastructure solutions for 30+ clients
Administered a server network of 5000+ across various platforms, enhancing system efficiency and reliability

Industry Experience

See where this freelancer has spent most of their professional time.

Experienced in Information Technology.

Information Technology

Business Area Experience

See which departments and functions this freelancer has contributed to most.

Experienced in Product Development, Information Technology, Operations, Research and Development, and Strategy.

Product Development

Information Technology

Operations

Research and Development

Strategy

Summary

Seasoned technology leader with over 20 years in the industry, combining software development expertise and strategic vision to drive innovation and business growth. Known for entrepreneurial spirit, creative problem-solving, and effective team leadership in diverse, dynamic environments. Expert in aligning technical solutions with business goals and user needs. Passionate about building collaborative teams and co-creating innovative products with clients.

Skills

Ruby, Elixir, Golang, Javascript, Angularjs, Reachjs, Mongodb, Redis, Mysql, Postgresql, Python, C++, Java, Ios, Typescript, Nodejs, Html/css, Saas, Netapp, Vmware, Kubernetes, Aws, Docker, Prometheus, Graphana, Ansible, Terraform, Tensorflow, Pytorch.
Mentoring In Startup Ecosystems, Panel Speaking, Cycling, Science Fiction, And Coffee Culture.

Languages

English

Advanced

Spanish

Advanced

German

Elementary

Education

Universidad Mariano Gálvez

B.S.E · Computer Science · Guatemala

Universidad Mariano Gálvez

Master’s degree · Computer Science · Guatemala

Statistics

Experience

Total positions 6

Experience in Information Technology 16 y

Avg length 2 y 7 m

Longest experience 3 y 5 m

Global Experience

Countries worked in 3 (United States, Germany, Canada)

Primary country United States

Expertise

Recent roles Co-founder & Chief Technology Officer, Chief Technology Officer / Chief Product Officer, Chief Technology Officer

Main industries Information Technology

Main business areas Product Development, Information Technology, Operations

Qualifications

Highest degree Master

Profile

Created

February 2024

Last Update

February 2026

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Frequently asked questions

Do you have questions? Here you can find further information.

Where is Dennis based?

Dennis is based in Berlin, Germany and can operate in on-site, hybrid, and remote work models.

What languages does Dennis speak?

Dennis speaks the following languages: English (Advanced), Spanish (Advanced), German (Elementary).

How many years of experience does Dennis have?

Dennis has at least 16 years of experience. During this time, Dennis has worked in at least 5 different roles and for 6 different companies. The average length of individual experience is 3 years and 8 months. Note that Dennis may not have shared all experience and actually has more experience.

What roles would Dennis be best suited for?

Based on recent experience, Dennis would be well-suited for roles such as: Co-founder & Chief Technology Officer, Chief Technology Officer / Chief Product Officer, Chief Technology Officer.

What is Dennis's latest experience?

Dennis's most recent position is Co-founder & Chief Technology Officer at Delta Technologies.

What companies has Dennis worked for in recent years?

In recent years, Dennis has worked for Delta Technologies and Wishpond Technologies.

Which industries is Dennis most experienced in?

Dennis is most experienced in industries like Information Technology.

Which business areas is Dennis most experienced in?

Dennis is most experienced in business areas like Product Development, Information Technology, and Operations. Dennis also has some experience in Research and Development and Strategy.

Which industries has Dennis worked in recently?

Dennis has recently worked in industries like Information Technology.

Which business areas has Dennis worked in recently?

Dennis has recently worked in business areas like Information Technology and Product Development.

What is Dennis's education?

Dennis holds a Master in Computer Science from Universidad Mariano Gálvez and a Bachelor in Computer Science from Universidad Mariano Gálvez.

What is the availability of Dennis?

Dennis is immediately available full-time for suitable projects.

What is the rate of Dennis?

Dennis's rate depends on the specific project requirements. Please use the Meet button on the profile to schedule a meeting and discuss the details.