Даниил

Daniil Svadkovsky
Python Backend Engineer
daniil.svadkovsky04​@gmail.com [відкрити контакти](див. вище в блоці «контактна інформація») Varna, Bulgaria LinkedIn

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SUMMARY

Backend Engineer with 3+ years of commercial experience in Python development (FastAPI, Django
DRF). Experienced in building scalable high-load systems, asynchronous background processing
(Celery, TaskIQ, RabbitMQ, Redis), and AI-driven automation.
Key Technical Highlights:
•High-Throughput Systems: Engineered an image processing pipeline handling 100k+ images/hour
with automated AWS Lambda optimization.
•SaaS Development: Designed the core architecture for a social media aggregation platform serving
250+ active users, managing complex data filtering and payment integrations.
•Event-Driven & AI: Built AI-powered chatbots and automated data processing workflows, integrating
LLMs into production backend systems.
•Infrastructure: Extensive experience in Docker, PostgreSQL, and CI/CD pipelines.
Passionate about Clean Architecture, SOLID principles, and high-quality system design. Focused on
delivering performant, maintainable code for complex business challenges.

PROFESSIONAL EXPERIENCE

EvaCodes⁠ , AI Engineer 02/2026 – 04/2026 | Remote
•LLM Implementation: Developed and integrated AI-driven chatbots and agents using OpenAI & Claude
APIs. Implemented advanced prompting techniques to automate complex customer support and
business workflows.
•RAG & Data Pipelines: Built robust ETL pipelines for processing massive volumes of unstructured data.
Improved extraction accuracy by 25% through custom pre-processing and specialized AI model fine-
tuning.
•System Automation: Engineered event-driven workflows that reduced manual client operations by
40%, connecting backend logic with AI-powered decision-making.
•Optimization: Focused on reducing token consumption and latency in production AI features through
efficient context window management and caching strategies.
•Tech Stack: Python, FastAPI, LangChain, OpenAI API, Claude API, PostgreSQL, Nginx, Docker, CI/​CD,
Git.

Pusher⁠ , Software Developer 04/2024 – 02/2026 | Remote
System Architecture: Designed and implemented the core backend for a social media aggregation
•

SaaS, serving 250+ active users with complex personalized content filtering.
High-Load Image Processing: Engineered an asynchronous pipeline using FastAPI and TaskIQ/Celery
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capable of downloading and uploading 100k+ images/hour to S3 storage, ensuring high availability and
resilience.
Background Tasks & Messaging: Optimized heavy I/​O operations and background jobs by
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implementing RabbitMQ as a message broker, achieving a 99.9% task processing success rate.
Monitoring & Observability: Integrated Grafana and Prometheus to track system health and
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performance metrics, reducing the mean time to detect (MTTD) critical issues by 50%.
Feature Development: Built and scaled core features including subscription management, multi-
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platform post delivery (Telegram, Email, WhatsApp), and payment gateway integrations.
 Tech Stack: Python, Django, FastAPI, PostgreSQL, MySQL(MariaDB), Redis, RabbitMQ, Celery, AWS S3,
•

AWS Lambda, Grafana, Prometheus, Nginx, Docker, CI/​CD, Git.

EvaCodes⁠ , Python Developer 04/2023 – 04/2024 | Remote
Workflow Automation: Developed internal web services to automate business processes, significantly
•

increasing operational efficiency within the company.
Infrastructure Management: Independently handled full-cycle deployment, including server
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provisioning, SSL configuration, automated backups, and CI/CD pipeline setup.
Multi-Channel Messaging: Built an automated communication system delivering notifications via
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Telegram, WhatsApp, and Email, designed to guide users through custom sales funnels.
System Integrations: Integrated the backend with CRM systems and third-party APIs to automate
•

meeting scheduling, manager-client chat creation, and calendar synchronization.
Tech Stack: Python, Django, DRF, PostgreSQL, Nginx, Docker, CI/​CD, Git.
•

EDUCATION

National Technical University of Ukraine 'Kyiv 09/2021 – 07/2024 | Kyiv, Ukraine
Polytechnic Institute'⁠ , Bachelor of Applied Mathematics

LANGUAGES

English (Intermediate) | Ukrainian (Native) | Russian (Native) | Bulgarian (Elementary)

SKILLS

Programming Languages: Python, SQL, JavaScript.
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Backend Frameworks: FastAPI, Django, Django REST Framework (DRF), Scrapy.
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Architecture & Design: Clean Architecture, SOLID, DRY, KISS, Microservices, EDA, DDD.
•

Databases & Storage: PostgreSQL (Optimization, Indexing), Redis (Caching/​Pub-Sub), MariaDB/​MySQL,
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AWS S3.
Asynchronous & Queues: TaskIQ, Celery, RabbitMQ.
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Cloud & DevOps: AWS (Lambda, S3), Docker, Docker Compose, Nginx, CI/​CD (GitHub Actions/​GitLab
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CI), Git, Linux.
AI & ML Integration: LLM Integration (OpenAI API, Claude API), Prompt Engineering, Data Extraction
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Pipelines.
Monitoring & Observability: Grafana, Prometheus.
•