Gregory Baranski
Software Developer
+48 502 828 121 | [email protected] gbaranski | gbaranski | gbaranski.com
About Me
Software development since 6+ years. Innovative and young mind.
Expert in networking, systems and app development.
- Finalist of the world’s biggest STEM competition - ISEF Regeneron 2024, held in Los Angeles, USA.
- Laureate of E(x)plory 2022/2023 - national STEM competition, held in Gdynia, Poland.
- Young Innovator 2022/2023 award winner.
- Gold medal in International Warsaw Invention Show 2023.
Experience
Contractor & Self-employed
Software Developer/Architect
01.2020 - present
- Software developer/architect contractor / freelancer
- Building commercial apps as an external contractor.
- Systems & networking & backend: Golang, Rust. ★★★★★
- DevOps: Linux, Github CI/CD, Cloudflare, Docker, MicroK8S ★★★★☆
- Full-stack apps: Node.JS, Svelte & Next.JS ★★★★☆
- Mobile apps: Flutter, Swift/SwiftUI, Kotlin, Capacitor.JS. ★★★☆☆
- Embedded: C++, Arduino, MQTT ★★☆☆☆
- Use of Jira and other corporate tools ★★☆☆☆
- Many contributions to OSS: tokio-rs/axum, helix-editor/helix and many others that have been founded by me, which are listed below.
pyta.pl
Camera Operator & Video Technician
11.2024 - present
- YouTube(pyta.pl) and TV(wPolsce24) with satiric journalism and news from Poland
- Operating Sony full-frame camera
- Use of ND & Mist filters
- Broadcasting to YT using Vidiu hardware
BSkilld sp. z o. o.
Chief Technology Officer
02.2024 - 02.2025
- System Architect
- Leading the software development
- Web app: Svelte/SvelteKit & Node.JS
- Database: PostgreSQL
- Orchestration & containerization: Docker & Docker Compose
- Full-text search: Meilisearch
wheretopark.app
Founder
05.2022 - 05.2024
App that uses real-time AI & CCTV cameras to help drivers find available parking spaces.
- Cross-platform app development with Svelte & SvelteKit
- Backend services with Go.
- Microservices, fault-tolerant architecture.
- DevOps with Docker, Docker Compose, Docker Swarm.
- CI/CD with GitHub Actions.
- AI & Machine Learning with Python & Keras.
- Business development.
- Public speaking.
Try the app at https://wheretopark.app. Wonder why I ended working on it? Check out my blog post - https://gbaranski.com/wheretopark.
StreamVX
Systems Software Developer
11.2021 - 12.2021
- Working on bridging the IP & SDI world
- Custom FFmpeg filter development with C.
stasbar sp. z o.o.
Lead Software Developer
12.2019 - 11.2020
- Lead software developer of Vape Tool. A mobile app with over 1M+ downloads on Google Play.
- React Web App & Ant Design.
- Firebase Serverless Functions
Self-employed
Smartphone service technician
07.2017 - 01.2019
- Local marketplace search for broken iPhones
- Trading & negotiations
- Import of goods from China
- Service & replacing broken parts
- Sale on the local marketplace
Self-employed
E-Cigarette liquid production & retail
05.2018 - 03.2020
- Wholesale purchase of ingredients
- E-liquid production
- Work delegation to my employee
- Customer acquisition
- Promotion
- Retail
Awards
IWIS Gold Medal
International Warsaw Invention Show in which I participated with my wheretopark.app startup. - December 2023ISEF Regeneron 2024 finalist
During the national-wide finals of E(x)plory 2022/2023 my project wheretopark.app has been awarded with accreditation to ISEF Regeneron - the biggest STEM contest worldwide held in Los Angeles. - October 2023- See more at projectboard.world
Finalist of E(x)plory 2022/2023
After a long process of getting through eliminations and regional semi-finals my project wheretopark.app has been accredited to the final national-wide level. - March 2023- See more at explory.pl
1st place in Geoinformatics Competition at Warsaw University of Technology
The competition aims to identify high school students from secondary school classes who are talented in computer science and interested in their own development in one of its extremely interesting areas of application, i.e. geoinformation. Admitted to the first-cycle engineering studies in Geoinformatics at the Faculty of Geodesy and Cartography of the Warsaw University of Technology. - June 2023- See more at pw.edu.pl
3rd place in Young Innovator 2022/2023
Contest held in Poland for ambitious high school students. Competed with my project wheretopark.app. - May 2023- See more at not.org.pl
Projects
ezsockets
2022-presentHigh-level declarative library for building WebSocket Clients and Servers in Rust.
wheretopark.app
2022-presentApp that uses real-time AI & CCTV cameras to help drivers find available parking spaces More to be found in the Experience section.
houseflow
2020-2022A home automation platform, it’s primarly written in Rust. Historically it used to be written in languages like Go, Kotlin and TypeScript, while also making use databases like MongoDB, which was eventually replaced with PostgreSQL and Redis. On the front-end side I made use of React and Flutter. Over time I found those technologies inadequate for my problem.
racer
2022Program written in Rust that watches cryptocurrency prices, and makes triangular arbitrages if profitable. Unfortunately it’s closed source.
quizizz-cheat
2021Cheat for quizz.com, a website on which teachers can create quizzes and students can take them. I made it possible to reveal correct answers to the question, so you can get 100% of a test without any effort. Used to have few thousands unique visits on the GitHub repo back when schools were closed during the pandemic.
cryptogram
2020Decentralized P2P messaging app. Allows real-time messaging without a server.Made using Go programming language and LibP2P.
Certifications
Erasmus+ YE: "EU are not alone"
Youth Exchange Programme that took part in Saku Noortelaager, Estonia. The project was about EU, emotional well-being, mental health and social problems. Organized by EUNexus. - 9 February 2024 - 18 February 2024TeenCrunch 2023
Programme for youth, where over 30 people from all of Poland were teamed up to create a startup. I was responsible for the technical part of the project. The programme included workshops, lectures, and mentoring sessions. Organised by Fundacja TeenCrunch - October 2023 - April 2024Przestrzeń Młodych: Przedsiębiorczość
Programme for the youth. Developing skills in the field of entrepreneurship, business, and startups. Organised by Fundacja Ważne Sprawy - December 2023 - January 2024Erasmus+ YE: "InnoVenture: You(th) in Business"
Youth Exchange Programme that took part in Predeal, Romania. The project was about entrepreneurship, innovation, and business. Organised by Initiative Sociale. - 8 November 2023 - 19 November 2023Erasmus+ YE: "Let's vote for You and EU"
Youth Exchange Programme that took part in Busteni, Romania. The project was about democracy, elections and the EU. Organised by ODEN Association. - 26 October 2023 - 6 November 2023Erasmus+ YE: "Serenity"
Youth Exchange Programme that took part in Annen, Netherlands. The project was about serenity, mental health and well-being. Organised by Culture. World. Me. Education. - 7 August 2023 - 18 August 2023Erasmus+ TC: "New ways for the immigrants to accelerate in labor market"
Training Course Programme that took part in Düzce, Türkiye. The project was about helping immigrants accelerate in the labor market. Organised by Mundus. - 12 July 2023 - 17 July 2023Erasmus+ YE: "Aware Thinker"
Youth Exchange Programme that took part in Ashford, United Kingdom. The project was about awareness, critical thinking and media literacy. Organised by Abroadship. - 3 January 2023 - 12 January 2023Volunteering
Community Manager
Work as a volunteer for the student community of Szkoła w Chmurze High School. As part of his volunteer work, he takes care of the community of students at the Szkoła w Chmurze by co-creating a space that provides creative and imaginative leisure activities. - March 2022 - April 2023National Olympic Committee Assistant
As a volunteer, I took care of athletes from Israel that came to Kraków for one of the biggest sport events in recent years - European Games 2023. - June 2023 - July 2023Youth Counselor
Member of “Młodzi Startera” - a youth council that helps young people develop business skills. - April 2023 - September 2023Languages
Polish - Native
English - B2/C1
Russian - A2
Skills
- Programming
- golang - 5 yearsrust - 4 yearstypescript - 3 yearsc/c++ - 2 yearspython - 1 year
- Web development
- svelte - 2 years
- Mobile app development
- dart/flutter - 2 yearsswift/swiftui - 1 yearkotlin - few monthsreact native - few months
- DevOps & Tools
- gnu/linux - 6 yearsgit & github - 6 yearsdocker & docker compose - 4 years
- Databases
- postgresqlsqlitefirebaseredismeilisearchsurrealdbmongodbinfluxdb