Maria is available for hire

Maria Boldyreva

Verified Expert in Engineering

Software Developer

Location

Moscow, Russia

Toptal Member Since

September 28, 2021

Maria is a senior full-stack developer with over five years of professional experience in Python and JavaScript. Her expertise includes developing and deploying web applications, planning architecture and migrations, designing end-to-end solutions, and gathering requirements together with a client. Maria likes building new and improving old applications. She has excellent communication skills and works well as an individual developer as well as in a team.

CSS Python Django Django REST Framework Linux Vue PostgreSQL Docker HTML5 Cryptography Customer Relationship Management (CRM)Full-stack MacOS PyCharm React

Portfolio

Citadel | Payroll API

Python, Django, Computer Networking, Django REST Framework, Celery, Python 3...

Mailru Group

Python, Django, JavaScript, PostgreSQL, Docker, Celery, Redis, CSS, SCSS, Flask...

Fogstream Ltd

Python, Django, Django REST Framework, JavaScript, React, Vue, HTML, CSS...

Experience

JavaScript - 8 years CSS - 8 years Python - 6 years Django REST Framework - 6 years Django - 6 years Vue - 5 years PostgreSQL - 5 years Docker - 3 years

Availability

Part-time

Preferred Environment

Linux, MacOS, PyCharm

The most amazing...

...thing I've created was a client dashboard back end for a vast retail company with high RPS and zero downtime.

Work Experience

Back-end Developer

2020 - 2021

Citadel | Payroll API

Developed and supported a number of external integrations.
Refactored, optimized, maintained, and debugged Python legacy code.
Developed and maintained unit and end-to-end tests.
Estimated development effort and software infrastructure costs.

Technologies: Python, Django, Computer Networking, Django REST Framework, Celery, Python 3, Django ORM, APIs, REST, REST APIs, JSON, JSON REST APIs, PostgreSQL, SQL, Docker, Object-relational Mapping (ORM)

Back-end Developer

2019 - 2020

Mailru Group

Developed and maintained internal and external REST API services.
Created internal and external API services and integrations, API schemes and blueprints, and maintained API documentation.
Defined architecture and approach for the implementation of an API for mobile app and back-end services.
Refactored, optimized, and maintained legacy Python 3 code.

Technologies: Python, Django, JavaScript, PostgreSQL, Docker, Celery, Redis, CSS, SCSS, Flask, MySQL, WebSockets, Python 3, Django ORM, APIs, REST, REST APIs, JSON, JSON REST APIs, Databases, SQL, Docker Compose, Object-relational Mapping (ORM)

Full-stack Developer

2016 - 2019

Fogstream Ltd

Developed and maintained back-end modules of enterprise resource planning systems, document management systems.
Refactored, optimized, and maintained legacy Python 2 and 3 code.
Developed internal and external API services and integrations, API schemes, and blueprints, and maintained API documentation.
Communicated with managers and analytics for consulting, support, and. clarification of the requirements and analysis of the state of the software.
Estimated development effort and software infrastructure costs.
Developed and maintained unit, feature, integrations, and performance tests.

Technologies: Python, Django, Django REST Framework, JavaScript, React, Vue, HTML, CSS, PostgreSQL, SCSS, Celery, Redis, Memcached, Docker, Amazon Web Services (AWS), Customer Relationship Management (CRM), Python 3, APIs, Django ORM, Python 2, REST, REST APIs, JSON REST APIs, JSON API, JSON, WebSockets, Full-stack, RabbitMQ, Object-relational Mapping (ORM), Docker Compose, SQL

Designer | Front-end Developer

2012 - 2016

Center for Children Arts

Developed the company website pages using HTML, CSS, and a legacy content management system.
Built interactive web pages such as presentations and quizzes using JavaScript.
Developed web pages with D3 charts with the support of interactive visualizations.

Technologies: HTML, HTML5, CSS, JavaScript

Experience

Auto Parts Marketplace

We built a marketplace for auto parts, which had a lot of internal business logic. The personal dashboard had a widget for online chat with support, built using WebSockets. I was responsible for the widget and I took a part in back-end development and planning.

Competition Platform

I added new features to the platform, documented and developed API segments for external integrations, and changed existing features such as password change API and emails. Also, I took part in vast refactoring efforts.

Website for a Real Estate Agency

Helped to migrate website front end from Django templates to React. First, React modules were embedded into existing code, allowing to add features quickly and refactor the website module by module. After that, complete front-end migration took place.

Education

2015 - 2019

Bachelor's Degree in Computer Science and Networking

Siberian State University of Telecommunications and Informatics - Khabarovsk

Skills

Languages

Python, HTML, CSS, HTML5, JavaScript, SCSS, Python 3, Python 2, SQL

Frameworks

Django, Django REST Framework, Flask

Libraries/APIs

Vue, React, Django ORM, REST APIs, JSON API

Platforms

Linux, Docker, MacOS, Amazon Web Services (AWS)

Storage

PostgreSQL, Redis, Memcached, MySQL, JSON, Databases

Tools

PyCharm, Celery, RabbitMQ, Docker Compose

Paradigms

REST, Object-relational Mapping (ORM)

Other

Computer Science, Computer Networking, Cryptography, WebSockets, Customer Relationship Management (CRM), APIs, JSON REST APIs, Full-stack

Collaboration That Works

How to Work with Toptal

Toptal matches you directly with global industry experts from our network in hours—not weeks or months.

Share your needs

Discuss your requirements and refine your scope in a call with a Toptal domain expert.

Choose your talent

Get a short list of expertly matched talent within 24 hours to review, interview, and choose from.

Start your risk-free talent trial

Work with your chosen talent on a trial basis for up to two weeks. Pay only if you decide to hire them.

Top talent is in high demand.

Start hiring