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Andrii Guk
Backend developer

Email: [open contact info](look above in the "contact info" section)

Contacts Telegram: @guk_and00

LinkedIn: [open contact info](look above in the "contact info" section)

Node.js, JavaScript, TypeScript, Nest.ts, Vue.js, Java

Skills MongoDB, PostgreSQL, MySQL, Redis, Node-RED

Git

PLATMA
Work
experience May 2024 — now
Backend developer

As a backend developer specializing in low-code platforms, I
focus on designing and implementing applications using
Node-RED to handle complex workflows and integrate with
external services and facilitate complex data processing
task.This includes work with external API’s, system
functions and data transformation. Also involved in
improving core functionality on the platform itself, such as
creating new API-ends and improving existing functions.
Freelance
June 2023 — April 2024
Backend developer

Аs a backend freelance developer, I specialize in building
the server-side logic that powers web applications. I work
with various frameworks to create efficient and scalable
APIs that handle data processing, authentication, and
integration with databases. My responsibilities include
developing robust backend architectures, implementing
security measures, and ensuring seamless communication
between the frontend and backend components.
Additionally, I optimize server performance and troubleshoot
issues to maintain a smooth user experience. Throughout
my freelance career, I have collaborated with clients across
diverse industries, delivering high-quality backend solutions
tailored to their specific requirements.

Dnieper.co
Sep 2020 — June 2023
Backend developer

Working on different projects: development of the
web-applications and API interface for web and mobile
applications, developing of the app for communication;
development of API interface for mobile application for
travelers, working with data converting on a server, working
with web-sockets and other technologies.

Responsibilities included: integration of user-facing
elements developed by front-end developers with
server-side logic; writing reusable, testable, and efficient
code; developing backend autotests; design and
implementation of low-latency, high-availability, and
performant applications; implementation of security and data
protection, integration of data storage solutions, developing
 the architecture for web-projects.

PLATMA

Portfolio Technologies: Javascript, Typescript, PostgreSQL, Node.js, Node-RED,
Nest.ts, Git

Highlights Responsibilities included planning the architecture,
integrating external services, working with an API part of the
application, creating applications for low-code platform,
communication with customer (Ukraine, 2024-2025).

Video chat app with realtime translation
(freelance)
Technologies: Javascript, MongoDB, Node.js, Git

Responsibilities included planning the architecture, API part,
server setting up (Ukraine, 2023-2024).

RGB-fit (freelance)
Technologies: Javascript, MongoDB, Node.js, Git

Responsibilities included planning the architecture, API part,
admin-panel part and server setting up (Ukraine,
2023-2024).

MicroShip
Technologies: Javascript, PostgreSQL, Node.js, Git

Responsibilities included planning the architecture,
integrating external services, working with an API part of the
application, communication with customer (USA, 2023).
FairPay
Technologies: Typescript, Nest.ts, PostgreSQL, Node.js, Git

Responsibilities included planning the architecture,
integrating external services, working with an API part of the
application, communication with customer (UAE, 2022).

Nichesearch
Technologies: Typescript, Nest.ts, PostgreSQL, Node.js, Git

Responsibilities included planning the architecture,
integrating external services, working with an API part of the
application (Great Britain, 2022).

Brandex
Technologies: Typescript, Nest.ts, MongoDB, Node.js, Git

Responsibilities included planning the architecture,
integrating external services, parsing data, data processing,
working with an API part of the application (USA, 2022).

Bcoint
Technologies: Typescript, Nest.ts, PostgreSQL, Node.js, Git

Responsibilities included planning the architecture,
integrating external services, working with an API part of the
application (Ukraine, 2021).
Dartgroup ASA
Technologies: Typescript, Nest.ts, PostgreSQL, Node.js, Git

Responsibilities included planning the architecture,
integrating external services, parsing data, working with an
API part of the application, making simple front-end (table),
communication with customer (Ukraine, 2021).

Informational investment portal
Technologies: javaScript, Node.js, MongoDB, Git

Responsibilities included planning the architecture,
integrating, working with an API part of the application
(Ukraine, 2021).

Mevzu admin panel
Technologies: javaScript, Node.js, MongoDB, Git

Responsibilities included planning the architecture,
integrating external services, working with an API part of the
application (2020-2021, Turkey).

Mevzu
Technologies: javaScript, Node.js, Git, MongoDB, WebSockets

Responsibilities included building the backend architecture
and developing the server part, integrating with the frontend
part (2020-2021, Turkey).
 Vinnytsia National Technical
Education University
2017 - 2021
Bachelor’s degree, Cybersecurity

Good team player and responsible in attitude to schedules

Qualification and timelines. Quickly learns new technologies. Attentive to
details. Loves self-learning, brings things to an end.
Communicates freely in the team.

English - Intermediate

Languages Ukrainian - Native

Russian - Advanced