Gerrit Vermeulen

5.0

(2 reviews)

US$10.00

For every 15 mins

Sessions/Jobs

ABOUT ME

Experienced software developer with 7+ years experience

Experienced software and data professional with over 10 years of experience building and leading teams across healthcare and fintech sectors. Skilled in designing scalable systems, managing data pipelines and warehouses, and guiding cross-functional teams to deliver impactful technology solutions. Passionate about using data and technology to create a positive impact.

Afrikaans, English

Harare (+02:00)

Joined November 2019

EXPERTISE

Python

7 years experience | 1 endorsement

I developed and maintained an extensive Python backend system for Microtransactions in Informal Markets, on Google's AppEngine Platform,...

I developed and maintained an extensive Python backend system for Microtransactions in Informal Markets, on Google's AppEngine Platform, and later on GCP. I also developed and maintained PyQT projects that were used for factory assembly lines.

Python Qt Google App Engine Google Cloud Platform

Node.js

4 years experience

I've worked on applications in both monolothic and microservice architectures running on GCP in Kubernetes. I've written entire services ...

I've worked on applications in both monolothic and microservice architectures running on GCP in Kubernetes. I've written entire services from scratch and added new features to existing services. I have also created command line tools to help developers in their day-to-day work.

Google Cloud Platform Kubernetes Docker

Google Cloud Platform Kubernetes Docker npm Node.js

Android

5 years experience

I've developed applications from scratch, including setting up CI/CD pipelines and testing infrastructure. I've also taken proof-of-conce...

I've developed applications from scratch, including setting up CI/CD pipelines and testing infrastructure. I've also taken proof-of-concept applications to a point where they could be deployed in production.

Kotlin Java Android

C++

3 years experience

I developed and maintained a custom Point of Sale terminal which ran embedded Linux with the app developed primarily in C++. The terminal...

I developed and maintained a custom Point of Sale terminal which ran embedded Linux with the app developed primarily in C++. The terminal is used in production in multiple countries across Africa.

Parse Server

1 year experience

I've developed my own applications using Parse server for my own interest and benefit.

Node.js

COVID-19

1 year experience

During this time of crises I can offer a reduced rate for projects related to helping fight COVID-19. Depending on the project, I would a...

During this time of crises I can offer a reduced rate for projects related to helping fight COVID-19. Depending on the project, I would also be open to offer a free short session.

COVID-19

SQL

5 years experience

REVIEWS FROM CLIENTS

5.0

(2 reviews)

Kacper Wierzchos

December 2019

Great help, thanks!

SOCIAL PRESENCE

GitHub

OpenWeatherMapDemo

An Android app for playing around with the OpenWeatherMap API

Java

HawkiesZA.github.io

HTML

EMPLOYMENTS

Senior Software Developer

Reach Digital Health

2024-01-01-Present

Develop and maintain full-stack features for Reach’s digital health platform, driving innovation and stability across multiple pr...

Develop and maintain full-stack features for Reach’s digital health platform, driving innovation and stability across multiple products.
Lead backend development using Python (Django / Wagtail), delivering scalable and maintainable solutions.
Design and optimise messaging flows across WhatsApp, SMS, and USSD, reaching thousands of users daily.
Spearheaded projects to enhance onboarding workflows using large language models (LLMs), improving user engagement and automation.
Improved testing frameworks for messaging flows using Elixir, boosting reliability and coverage.
Collaborate cross-functionally with product, design, and data teams to align technology solutions withorganisational goals.

Python

Django

PostgreSQL

Python

Django

PostgreSQL

Lua

Elixir

Wagtail

LLM

Senior Software Developer

Assetpool

2023-06-01-2023-12-01

Delivered full-stack features and enhancements across web and mobile platforms, ensuring a seamless experience for clients and in...

Delivered full-stack features and enhancements across web and mobile platforms, ensuring a seamless experience for clients and internal teams.
Led backend development using PHP (Laravel) to build robust, scalable business solutions.
Developed and maintained interactive dashboards with Vue.js, improving data visibility and client reporting.
Contributed to the mobile application (Flutter), extending platform accessibility for field users.
Collaborated with product managers and QA teams to prioritise releases and ensure high-quality deliverables.

Flutter

Senior Software Developer

Aviro Health

2022-10-01-2023-06-01

Managed and mentored two junior developers, overseeing their technical growth and code quality.
Collaborated with the CTO...

Managed and mentored two junior developers, overseeing their technical growth and code quality.
Collaborated with the CTO and product team to scope, plan, and deliver a large-scale Diabetes module for the Pocket Clinic platform.
Owned and maintained the data warehouse and ETL pipelines in AWS (Postgres), ensuring data reliability for analytics and reporting.
Integrated data into Amazon QuickSight, designing dashboards for clinical and operational insights.
Worked across backend (Python/AWS Lambda) and Android (Kotlin) systems, ensuring smooth oﬄine functionality.

Python

Android

PostgreSQL

Python

Android

PostgreSQL

Kotlin

AWS

PROJECTS

Vermeulen PhotographyView Project

2017

- Co-founded and operated a wedding and event photography business, delivering tailored packages to meet diverse client needs. - Managed...

- Co-founded and operated a wedding and event photography business, delivering tailored packages to meet diverse client needs. - Managed all aspects of photography, editing, and client delivery, ensuring high-quality results and exceptional customer satisfaction. - Led website development and maintenance, including writing blog posts and marketing copy to showcase our work and attract new clients. - Balanced creative direction with business operations, gaining hands-on experience in client relations, project management, and digital marketing.

Photography