Dmitrii Merkulov Email & Phone Number

Saint Petersburg, Ru

Moscow, Russia

At the moment I work in the largest bank of Russia as a middle software developer.My immediate responsibilities are working with data engineering, machine learning and developing of various systems for automation of business tasks for credit documents. I like working in a team, I know what Agile is and I have experience with Jira and Git.My projects:1) Creating systems for analysis: dashboards, charts and short reports for the team; (Flask, python, pandas, plotly, Grafana, SQL DB).2) ETL development: extraction of named entities and attributes from bank documents (python, Airflow, NER, re), data transformation and analytics, loading data into databases such as MySQL, PostgreSQL, MongoDB and Kafka message broker or various file services; Processing is done using multithreading, asynchrony and queuing technologies (celery + redis); Implement spark.3) Creating ML models, CNNs and RNNs, to improve attribute extraction (using numpy, pandas, PySpark, PyTorch, nltk, scikit-learn);4) Working with pre-trained neural networks for NER to predict bank document type, and extract attributes from document text layer (natasha, spacy);5) Working with databases (MySQL, PostgreSQL, MongoDB, some Redis). Updating and logging;6) Testing and refactoring new code; Legacy support;7) I have experience in developing microservice application architecture with integration of different file systems and APIs;8) Participation in DevOps processes (Jenkins, OpenShift, Kubernetes).9) Have experience in code review of interns;10) Helping colleagues with their cases, active participation in the life of projects and the company.One of the latest cases: Automated establishment of releases in JIRA + user interface. The development was carried out for my team. Backend: Flask, PostgresSQL.The latest achievement: I was able to speed up the ETL process, recognition of attributes in bank documents, also I have implemented ML and raise efficient the work time by more than 4 times.

Moscow, Russia

I develop in web development filed and help people on a freelance basis.I mainly do web development for myself and freelance. I've been doing some commercial web applications that I can't show here. I developed API systems, create e-commerce web applications and simple sites. The last project I developed for myself was a stream comparison of cryptocurrency prices on different exchanges using a microservices architecture, async, websocket and databases. Also, the output of this data to the UI and the development of the API. Some projects are in my github.For developing the backend part, I actively use:- Python programming language;- Django + DRF;- Flask;- FastAPI;- REST, gRPC;- Synchronous and asynchronous technologies;- MongoDB, PostgreSQL and Redis for speed;- Celery task broker and the RabbitMQ message broker.I prefer to create a microservices architecture and use Docker, docker-compose.For developing the frontend part, I use: - JS;- HTML + CSS;- React with Typescript;- Bootstrap;- API.I will attach some screenshots of the sites below

Moscow, Russia

I worked in this company when I was studying at university. My main tasks in this position are: 1) Maintaining network operability, troubleshooting server operation; 2) Maintaining the operability of users' workplaces, timely replacement of faulty equipment, updating applications in the workplace; 3) Creation of new local enterprise networks, development of instructions and documentation. At this job, I made the correct configuration of the servers, than I was able to improve and speed up the network, added more jobs. We have also created a secure local network for the company's employees.