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Freelance full-stack software engineer

I’ve been contributing to projects either as the solo coder or a technical lead on a small team. I bring value to my clients by helping them chose and implement software that serves their business.

Past projects include:

saving money by optimizing clients' cloud setup
managing full software lifecycle, including planning, coding and deployment on cloud (AWS) or on-premises (Docker, VMs, bare metal)
video: transcoding and delivery of a video archive to web browsers and live streaming with HLS and WebRTC.
interactive 3D visualization of technical measurements with contextual information (tech stack: WebGL, Three.js, RxJS)
2D charts with various twists, including data transfers and rendering with varying levels of detail
UIs with synchronized maps, video, and charts
performance optimization by profiling and, if required, rewriting specific parts in C++
complex Excel reports optimized for printing (language: C#)

Across most projects we used:

DevOps practices
Git
Docker
Continuous Integration
Markdown
Unit tests

Also a powerlifter (-75kg. 145kg squat, 100kg bench-press, 180kg deadlift).


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Three tips for faster bulk inserts into a PostgreSQL database

2 minute read Published: 20 Sep, 2019

Disabling fsync, removing indices and using pgcopy will significantly speed up the import of data

Tens of gigabytes of data. An amount that doesn’t quite fit into an Excel spreadsheet but doesn’t warrant the use of big data tools like Hadoop either. PostgreSQL can easily handle this volume. This post is about speeding up the initial import of a large number of rows.

Seriously bad advice about SSL errors in Python and a better fix

3 minute read Published: 5 Sep, 2019

This is a post about fixing certificate verify failed error in Python without compromising security of your code. Don’t blindly follow suggestions on the internet because some suggested solutions can have serious unintended consequences.

Why the shattered dream of the free internet is good?

4 minute read Published: 27 Mar, 2019

When I was in my teens, the internet was a symbol of opportunity for me. In the physical world, we always lacked money. Parents sacrificed a lot to build a house. The jobs available to them were not great because of their education. We lived in a village, where everything seemed so backward to me. I was battling this internal fight with the environment around me. My father appreciated physical work and couldn’t see the point of computers.