Django Witmer
Accomplished tech lead and senior software engineer from Amsterdam with a proven track record of leading teams and delivering high-quality solutions to companies ranging from small startups to large institutions.
Expert technical leadership and software engineering services.
1
Interim Tech lead or IT advisor
As a temporary CTO I can provide technical leadership, guidance and continuity to companies during transition periods or when there is a leadership gap. I can also coach, support and advice the lead engineer or founder with technical guidance.
2
Lead Software Engineer
As a skilled and experienced technical leader with expertise in various technologies, I bring a user-centered mindset, a passion for innovation, and a commitment to quality to any team, helping to drive successful project completion and achieve business goals. As well as hands on development with various front and backend technologies.
3
Coach and Teacher
As an experienced coach and teacher with a passion for software engineering, I inspire individuals to achieve their full potential, providing guidance, support, and constructive feedback to help develop new skills and achieve goals.
4
Software Architect
As a software architect, I design and develop complex software systems with scalability, security, and user experience in mind. My deep understanding of design patterns, development methodologies, and advanced technologies, coupled with excellent communication skills, enable me to effectively collaborate with teams and drive successful outcomes for the business.
Full stack
Tech Lead
5+ years
Leadership
Scrum
Project management
Planning
Remote teams
Coaching
Public speaking
Communication
Teaching
Architect
6+ years
Software architect
TDD | OOP | FP | SOLID
Design patterns
MVC / MVVM / Frameworks
CI/CD
Technical and Functional design
Reactive programming
CQRS
Microservices
Frontend
8+ years
Native iOS/Android
Objective-c
Swift
Kotlin
Java
Javascript
React
Vue
NextJS
Backend
6+ years
Javascript / NodeJS
Python / Flask
Postgres
Mysql
Elastic search
MongoDB
Google Cloud
AWS
PHP / Laravel
"Quickly master any new programming language or tech stack"
I possess a strong ability to quickly grasp and master new technologies, programming languages, and tech stacks, making me a natural autodidact. All my knowledge and skills have been self-taught, and I enjoy the challenge of exploring and learning new things in the field of software development.
This allows me to solve a wide range of technical problems. Feel free to contact me to discuss how I can assist with your project needs.
References
"The software Django developed for us allowed us to scale up quickly and efficiently."
Floor
General manager - Grofalex
"Django created our iOS and Android apps, his involvement from the start of the project was very valuable"
Niek
Product owner - Bridgefund
"With Django's help we where able to quickly launch our platform on Android and expand our customer base."
Stefan
Senior backend engineer - Piggy
Let's get in touch
Portfolio
Engineering lead
ING mobile banking
During my time at ING, I had the opportunity to work on two key modules of the mobile banking app, namely the Onboarding and Enrollment modules. As the lead Android developer, I was responsible for ensuring the modules were developed with a focus on user ...
Read moreWhen
September 2021 - August 2022
What I did
Engineering lead
Engineering lead
Temper
Temper is an innovative digital bulletin board where clients post jobs and freelancers create profiles to market their services. Every week, thousands of freelancers and organizations find suitable jobs in the logistics, retail, and hospitality industries...
Read moreWhen
January 2019 - Oktober 2020
What I did
Engineering lead
Engineering lead
Appical
As Engineering Lead for an Appical, I was tasked with creating an app to streamline the process of onboarding new employees. I led my team to build a mobile app using native Kotlin and Swift, which was a great success and was completed in under four month...
Read moreWhen
November 2016 - December 2018
What I did
Engineering lead
Freelance Web developer
Ikso
The growth and development platform that I built from the ground up is an innovative and comprehensive solution that helps people in a team give each other open and honest feedback to promote growth and development. As the only developer, I was fully resp...
Read moreWhen
2012 - 2016
What I did
Freelance Web developer