Serhii Shymko - Freelance Software Developer

Q: Where is Serhii based?

Serhii is based in Kyiv, Ukraine .

Q: What languages does Serhii speak?

Serhii speaks the following languages: English (Advanced), German (Intermediate) .

Q: How many years of experience does Serhii have?

Serhii has at least 3 years of experience. During this time, Serhii has worked in at least 3 different roles and for 3 different companies . The average length of individual experience is 1 year and 11 months . Note that Serhii may not have shared all experience and actually has more experience.

Q: What is Serhii's latest experience?

Serhii's most recent position is Freelance Software Developer at Self-Employed .

Q: What companies has Serhii worked for in recent years?

In recent years, Serhii has worked for Self-Employed , EPAM Systems , and International Connections a.s. .

Q: Which industries is Serhii most experienced in?

Serhii is most experienced in industries like Information Technology and Advertising .

Q: Which business areas is Serhii most experienced in?

Serhii is most experienced in business areas like Information Technology and Product Development .

Q: What is Serhii's education?

Serhii holds a Bachelor in Software Engineering from University of Europe for Applied Sciences .

Q: What is the availability of Serhii?

Serhii will be available full-time from July 2026 .

Recommended expert

Kyiv, Ukraine

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Experience

Jul 2024 - Present

2 years 1 month

Freelance Software Developer

Self-Employed

Delivered and maintained freelance software projects including AI-powered video advertising tools, image-based web platforms, and mobile AI assistant applications
Provided technical guidance to clients by recommending product strategy, system architecture, and technology stack choices aligned with project goals
Estimated development timelines and resource requirements, advising clients on trade-offs and involving additional specialists when project scope required it
Improved existing production systems by identifying and fixing bugs, optimizing performance-critical components, and refining specific areas of functionality

Apr 2024 - Feb 2025

11 months

Associate Python Developer

EPAM Systems

Contributed to the development of an AI assistant with Retrieval-Augmented Generation (RAG) using Python, LangChain, and LangGraph, supporting contextual reasoning and response generation
Participated in implementing vector-based retrieval and embedding pipelines with Pinecone, improving semantic search performance over structured and unstructured data
Supported cloud-native deployment and infrastructure tasks using Docker, Kubernetes, and AWS
Collaborated within a cross-functional team on CI/CD workflows, asynchronous processing with Kafka, and system observability using Prometheus and Grafana

Nov 2023 - Apr 2024

6 months

Prague, Czech Republic

Generative AI Developer

International Connections a.s.

Designed and implemented a scalable Python backend for a generative image web application
Integrated and served a fine-tuned image generation model using Hugging Face Transformers with LoRA adaptation, optimized with PyTorch and CUDA
Worked within a structured Waterfall development process and collaborated with a cross-functional team using Git, GitHub, Jira, and Slack

Industry Experience

See where this freelancer has spent most of their professional time.

Experienced in Information Technology and Advertising.

Information Technology

Advertising

Business Area Experience

See which departments and functions this freelancer has contributed to most.

Experienced in Information Technology and Product Development.

Information Technology

Product Development

Skills

Languages**
Python
Typescript
Javascript
C++
Sql
Php
Ai**
Rag
Langgraph
Langchain
Prompt Engineering
Llm Orchestration
Agentic Workflows
Backend**
Node.Js
Express
Fastapi
Flask
React
Next.Js
Data**
Mongodb
Postgresql
Mysql
Pinecone
Chromadb
Qdrant
Tools**
Git
Github
Docker
Kubernetes
Aws
Ci/Cd
Grafana
Kafka

Languages

English

Advanced

German

Intermediate

Education

Sep 2022 - Aug 2025

University of Europe for Applied Sciences

Bachelor of Science, Software Engineering · Software Engineering · Potsdam, Germany

Statistics

Experience

Total positions 3

Experience in Information Technology 2.5 y

Avg length 1 y 1 m

Longest experience 2 y

Global Experience

Countries worked in 1 (Czech Republic)

Primary country Czech Republic

Expertise

Recent roles Freelance Software Developer, Associate Python Developer, Generative AI Developer

Main industries Information Technology, Advertising

Main business areas Information Technology, Product Development

Qualifications

Highest degree Bachelor

Profile

Created

June 2026

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Frequently asked questions

Have questions? Find more information here.

Where is Serhii based?

Serhii is based in Kyiv, Ukraine.

What languages does Serhii speak?

Serhii speaks the following languages: English (Advanced), German (Intermediate).

How many years of experience does Serhii have?

Serhii has at least 3 years of experience. During this time, Serhii has worked in at least 3 different roles and for 3 different companies. The average length of individual experience is 1 year and 11 months. Note that Serhii may not have shared all experience and actually has more experience.

What roles would Serhii be best suited for?

Based on recent experience, Serhii would be well-suited for roles such as: Freelance Software Developer, Associate Python Developer, Generative AI Developer.

What is Serhii's latest experience?

Serhii's most recent position is Freelance Software Developer at Self-Employed.

What companies has Serhii worked for in recent years?

In recent years, Serhii has worked for Self-Employed, EPAM Systems, and International Connections a.s..

Which industries is Serhii most experienced in?

Serhii is most experienced in industries like Information Technology and Advertising.

Which business areas is Serhii most experienced in?

Serhii is most experienced in business areas like Information Technology and Product Development.

What is Serhii's education?

Serhii holds a Bachelor in Software Engineering from University of Europe for Applied Sciences.

What is the availability of Serhii?

Serhii will be available full-time from July 2026.

What is the rate of Serhii?

Serhii's rate depends on the specific project requirements. Please use the Meet button on the profile to schedule a meeting and discuss the details.