Karl Harder
AeroLeads people directory · profile

Karl Harder Email & Phone Number

Software Engineer Tech Leader at ROIT at ROIT
Location: Curitiba, Paraná, Brazil 6 work roles 1 school
1 work email found @roit.com.br LinkedIn matched
✓ Verified August 2026 4 data sources Profile completeness 100%

Contact Signals · 1 work email

Work email k****@roit.com.br
LinkedIn Profile matched
3 free lookups remaining · No credit card
Current company
ROIT
Role
Software Engineer Tech Leader at ROIT
Location
Curitiba, Paraná, Brazil
Company size
159 employees

Who is Karl Harder? Overview

A concise factual answer block for searchers comparing this professional profile.

Quick answer

Karl Harder is listed as Software Engineer Tech Leader at ROIT at ROIT, a with 159 employees, based in Curitiba, Paraná, Brazil. AeroLeads shows a work email signal at roit.com.br and a matched LinkedIn profile for Karl Harder.

Karl Harder previously worked as Software Engineer Tech Leader at Roit and Software Engineer at Roit Consultoria E Contabilidade. Karl Harder holds Bachelor'S Degree, Information Technology from Facear - Faculdade Educacional Araucária.

Company email context

Email format at ROIT

This section adds company-level context without repeating Karl Harder's masked contact details.

{first}.{last}@roit.com.br
89% confidence

AeroLeads found 1 current-domain work email signal for Karl Harder. Compare company email patterns before reaching out.

View email format View company profile Management contacts
Profile bio

About Karl Harder

Software Engineer with 4+ years of experience with passion of creating, developing and maintaining microservices using many programming concepts possible, such as SOLID, DRY, YAGNI, KISS and so on. As Tech Leader, I am able to conceptualize and test new methods of feedbacks, architecting projects, hiring people and also thinking about the development environment, building the most performatic and easy workflows. Furthermore, I had worked with Scrum as agile thinking and Kanban as task management helper.Experienced with technologies including NodeJs, with NestJs and Express frameworks using Typescript as main language; Jest for testing; Firestore, Postgrees, MySQL and BigQuery databases; Java with Spring 4 and Hibernate; Flutter for Apps development; Vue 2 and 3 with Typescript, HTML, Javascript, CSS, communication between services using gRPC and a shallow knowledge in GO, React and React Native. I also have a brief knowledge with Python, Apache Kafka, communication between services using gRPC and for BigData applications, used to work with Elasticsearch to compound queries.Expertise with using Google Cloud Platform as main cloud computing environment, working with Cloud Run, Cloud Functions, PubSub, CloudTasks, Logging, Artifact Registry (for private Nodejs packages), for instance. I am used to working with some AWS features such as API Gateway, CloudFront and Lambdas functions. AWS environment still learning some cool features.Nowadays, I have been studying technologies as Neo4J, a graph Database with allows to perform queries in relationship between documents.

Listed skills include Java, Sql, Vue, Spring Framework, and 11 others.

Current workplace

Karl Harder's current company

Company context helps verify the profile and gives searchers a useful next step.

ROIT
Roit
Software Engineer Tech Leader at ROIT
curitiba, parana, brazil
Website
roit.com.br
Employees
159
AeroLeads page
Company profile
View company profile Email format
6 roles

Karl Harder work experience

A career timeline built from the work history available for this profile.

Software Engineer Tech Leader

Current
Roit

Main Responsabilities- Responsible for idealizing and analyzing new ways of feedback.- Redesigning and sketching microservices and its dependencies- Interviewing new staff- Team formation mentoring processes- Supporting teammates with their both technical and bussiness difficulties- Definition of standards, processes and tools used by the development team- Developing some some features and maintain the ecosystemMain Technologies and Tools- NestJs with… Show more Main Responsabilities- Responsible for idealizing and analyzing new ways of feedback.- Redesigning and sketching microservices and its dependencies- Interviewing new staff- Team formation mentoring processes- Supporting teammates with their both technical and bussiness difficulties- Definition of standards, processes and tools used by the development team- Developing some some features and maintain the ecosystemMain Technologies and Tools- NestJs with Typescript- Firestore, MongoDB and BigQuery- Vue 2/3 with Typescript, CSS and SASS- Google Cloud Platform- AWS- Jenkins- Confluence- BitbucketMain Achivements- ROIT Portal de Entrada - https://www.roit.com.br/en/produto/portal-de-entradas Show less

Jan 2021 - Present

Mobile Engineer

Current
Eatleta

Brazil

EATLETA is an app created to connect atheltes, teams and orgs of any sport. Aligned with creators, I've been able to participate, discuss and build up an app from scratch, determining architectural designs, create development rules and create new features which allowed athletes follow (statistically) theirs carreers.

Jan 2021 - Present

Auxiliar Contábil

Global Tratores

Araucária, Paraná, Brasil

Accouting and financial assistant

Oct 2014 - May 2018
Team & coworkers

Colleagues at ROIT

Other employees you can reach at roit.com.br. View company contacts for 159 employees →

NM Natalia Maria Luna Bilheiro Peixoto Natalia Maria Luna Bilheiro Peixoto Colleague at RoitMaringá, Paraná, Brazil View → NC Natalia Comarella Natalia Comarella Colleague at RoitParaná, Brazil View → AC André Cordeiro Do Prado De Freitas André Cordeiro Do Prado De Freitas Colleague at RoitCanoas, Rio Grande Do Sul, Brazil View → GF Guilherme Freitag Guilherme Freitag Colleague at RoitSão Paulo, Brazil View → AS Augusto Santos Augusto Santos Colleague at RoitCuritiba, Paraná, Brazil View → MP Marcos Polegario Marcos Polegario Colleague at RoitRio De Janeiro, Brazil View → DV Denise Viana Viana Denise Viana Viana Colleague at RoitCuritiba, Paraná, Brazil View → CS Caroline Souza Caroline Souza Colleague at RoitCuritiba, Paraná, Brazil View → AL Amanda Leite Viana Amanda Leite Viana Colleague at RoitPinhais, Paraná, Brazil View → BO Bruna Oliveira Bruna Oliveira Colleague at RoitBrazil View →
1 education record

Karl Harder education

FAQ

Frequently asked questions about Karl Harder

Quick answers generated from the profile data available on this page.

What company does Karl Harder work for?

Karl Harder works for ROIT.

What is Karl Harder's role at ROIT?

Karl Harder is listed as Software Engineer Tech Leader at ROIT at ROIT.

What is Karl Harder's email address?

AeroLeads has found 1 work email signal at @roit.com.br for Karl Harder at ROIT.

Where is Karl Harder based?

Karl Harder is based in Curitiba, Paraná, Brazil while working with ROIT.

What companies has Karl Harder worked for?

Karl Harder has worked for Roit, Roit Consultoria E Contabilidade, Eatleta, and Global Tratores.

Who are Karl Harder's colleagues at ROIT?

Karl Harder's colleagues at ROIT include Natalia Maria Luna Bilheiro Peixoto, Natalia Comarella, André Cordeiro Do Prado De Freitas, Guilherme Freitag, and Augusto Santos.

How can I contact Karl Harder?

You can use AeroLeads to view verified contact signals for Karl Harder at ROIT, including work email, phone, and LinkedIn data when available.

What schools did Karl Harder attend?

Karl Harder holds Bachelor'S Degree, Information Technology from Facear - Faculdade Educacional Araucária.

What skills is Karl Harder known for?

Karl Harder is listed with skills including Java, Sql, Vue, Spring Framework, Microsoft Office, English, Php, and Html.

Find 750M verified contacts

Search by job title, company, industry, location, and seniority. Export verified B2B contact data when you need it.

People with similar names

Check these profiles if this is not the Karl Harder you were looking for.

Karl Harder
Karl Harder
Infrastructure Engineer At Loftus Technology
Greater Adelaide Area
1 email domain
Karl Harder
Karl Harder
Sales Rep 25 Years In Dental X Ray Philips Medical
Hamburg
Karl Harder
Karl Harder
Environmental Services Professional
London
1 email domain
View similar profiles