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Kamil – Python, Django, REST API, experts in Lemon.io

Kamil

From Poland (UTC+2)

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Full-stack Web DeveloperSenior
7 years of commercial experience
Asset management
Banking
Consulting services
Event management
Fintech
Human resources
Insurance
Real estate
Sports
B2B
AI software
SaaS
Lemon.io stats
1
projects done
162
hours worked

Kamil – Python, Django, REST API

Kamil, a seasoned backend software engineer with a background in team management, excels in pragmatic system design and rapid prototyping, particularly in volatile environments. With a focus on timely deliveries and maintainable code, Kamil is adept at handling projects of any complexity, boasting experience in both microservices and monolith applications. Proficient in a wide array of technologies including Python frameworks, AWS services, AI models, LLM integrations, models, vision/audio/text/reasoning, and more, Kamil is well-equipped to tackle diverse challenges in backend development.

Main technologies
Python
5 years
Django
4 years
Additional skills
REST API
HTML
Selenium
Pandas
NumPy
Redis
FastAPI
Docker
RabbitMQ
PostgreSQL
CSS
Vue.js
Kubernetes
Flask
SQL
AWS
JavaScript
GCP
Golang
Typescript
React
ElasticSearch
C++
Ethereum
Blockchain
Microservices
Amazon S3
Kafka
Direct hire
Potentially possible
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Experience Highlights

Team Lead
Jan 2022 - Ongoing3 years 4 months
Project Overview

An AI-powered automation accounting software used by some of Europe's biggest companies.

Responsibilities:
  • Led a feature team of 10 to develop the leading accounting software in the DACH region;
  • Made substantial performance improvements and reduced tech debt;
  • Created and maintained automatic quality control of AI's predictions using historical data and dynamic rule sets;
  • Developed LLM integration for OCR, data extraction, and reflection;
  • Improved internal and public APIs security and performance;
  • Contributed to the architecture and infrastructure of a distributed web application.
Project Tech stack:
Python
Django
Django REST
ElasticSearch
PostgreSQL
Celery
Redis
Founder & Solutions architect
Nov 2023 - Feb 20243 months
Project Overview

A product development consultancy that helps customers with tight deadlines reliably deliver software.

Responsibilities:
  • Was responsible for end-to-end software design & delivery;
  • Provided Django expertise;
  • Helped with performance optimizations and tech debt reduction.
Project Tech stack:
Python
Django
Django REST
React
PostgreSQL
Redis
Celery
Amazon S3
Golang
REST API
Lead Developer
Oct 2023 - Jan 20243 months
Project Overview

A SaaS application aimed at business customers looking to provide "workation" as a benefit to their employees. It provides the management with tools to grant their employees days to spend at the apartment of their choice in different locations, and the employees with a nice interface to choose and book the apartments from.

Responsibilities:
  • Created the Figma mockups and wireframes;
  • Created the backend functionality;
  • Designed the frontend architecture;
  • Lead frontend developers through the frontend development process;
  • Designed the infrastructure and created the deployment process.
Project Tech stack:
Python
Django
React
Figma
Celery
Back-end developer
Jan 2023 - Jun 20234 months
Project Overview

A US-based SaaS application that serves as a document management tool, as well as an automation system that protects businesses from audits and lawsuits.

Responsibilities:
  • Redesigned the software architecture to achieve better performance under high load, as well as to improve maintainability;
  • Replaced insecure and unsupported dependencies with custom-written Python libraries;
  • Fixed various security vulnerabilities as well as introduced additional security mechanisms, such as MFA and geo-blocking.
Project Tech stack:
Python
Django
JavaScript
React
PostgreSQL
Redis
AWS
RabbitMQ
Back-end developer
Jan 2021 - Jan 20221 year
Project Overview

While working with B3, Kamil has done a multitude of projects, mostly in the sports (booking & management), banking, and insurance industries. Those projects were done for large enterprises or the Polish government, which meant he had to make sure that the software was reliable, secure and could efficiently handle tens of thousands of users simultaneously.

Responsibilities:

Even though he was hired as a Python developer, Kamil has worn many hats while working for B3.

  • Designed, deployed, and developed multiple high-availability systems for Poland's biggest finance and sports companies;
  • Designed and built CI/CD solutions and cloud-native infrastructure;
  • Created reliable and performant integrations with REST and SOAP APIs;
  • Designed the architecture and developed the functionality for a secure and performant eCommerce selling process;
Project Tech stack:
Python
Django
Django REST
Celery
JavaScript
PostgreSQL
Kubernetes
RabbitMQ
Redis

Education

2022
Computer Science
Bachelor's Degree
2023
Systems Engineering
Master's Degree

Languages

English
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