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Javascript developer

Age:
26 years
City of residence:
Kamianske
Ready to work:
Remote

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Greta Mazur
BACK-END DEVELOPER

CAREER GOALS
I am a junior backend developer with experience working on different web
development projects. My goal is to deepen my expertise in scalable architectures
and I’m looking for new opportunities for professional growth and to expand my
skills and abilities.

WORK EXPERIENCE
TECH STACK:
BACK-END DEVELOPER
Main technologies:
JS/TypeScript HaltenTech Company | 2023 - present
Node.js (TypeScript),
Docker
Worked on systems design, transactional integrity, and performance: modeled
SQL
data, managed concurrency, and built resilient APIs and background pipelines.
MongoDB
Core stack: Node.js/TS, SQL, Docker, streaming/file I/O; hands-on skills —
migrations, indexing, debugging timeouts/deadlocks, operations & support.
Familiar technologies::
Python
On a prior project, designed and built a REST API from scratch; integrated Clerk for
AWS (Serverless Python Lambda)
authentication/authorization and SendGrid for email (templates, webhooks). My
React
first commercial project was in Python on AWS (Lambda/API Gateway/S3/RDS),
HTML, CSS
which gave me a solid grounding in serverless practices and cloud infrastructure.

SPECIFICATIONS 2019-2023 - PJSC "Sens Bank," Customer Service Specialist for Individuals.
2018-2019 - Municipal Non-Profit Enterprise of Kamyanske City Council "City
- Excellent communication skills Dental Polyclinic", Economist.
- Ability to collaborate with others 2017 - LLC "Nadezhda Retail", Accountant.
- Attention to detail
- Interest in the success of the product

EDUCATION
Dnipropetrovsk Technical College. Accounting. Year of Graduation: 2017

LANGUAGES:

English level: Upper-Intermediate COURSES & CERTIFICATIONS
Ukrainian: Native
Codecademy — Python 3 (Fundamentals & OOP) — 2024
Russian: Native
Skills: data structures, functions, modules, OOP, file I/O.
Udemy — TypeScript for Developers — 2024
Skills: types, interfaces, generics, async/await, tooling (tsconfig).
Udemy — Node.js Backend Development — 2024
MY CONTACTS: Skills: Express, REST APIs, middleware, authentication, testing.
Self-directed (YouTube) — MongoDB Fundamentals — 2024
Mobile phone: [open contact info](look above in the "contact info" section) Skills: schema design, CRUD, aggregation pipeline, indexing, performance.
(WhatsApp, Telegram)
Email: [open contact info](look above in the "contact info" section) Additional Skills
Basic image editing in Adobe Photoshop and Lightroom
Photography (product, lifestyle, portrait)

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