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Andrii Haluza

Nodejs Developer

Uzhhorod, Zakarpattia Oblast, Ukraine
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In a 7-year career as a JavaScript/NodeJs developer, I've worked on various projects in different domains: Dating, E-commerce, Marketing and Advertising, Entertainment, CRM\ERP Systems, Health and Wellness, and Task-Based Platforms.
Used major technologies: NodeJs, JavaScript, TypeScript, Express.js, Koa, Nest.js, Strapi, PostgreSQL, MariaDB, MySql, MongoDB, Redis, React, Vue, Next, Nuxt, GCP, AWS, Cloudflare, ElasticSearch, Kibana, DataDog, CI\CD, Docker, Proxmox, Nginx, Swagger, Postman.
I've handled typical software engineer responsibilities like: designing and integrating new features, fixing issues by debugging, refactoring outdated code, maintaining existing legacy, improving performance, covering code by tests (not so often as I wish), delivery and deployment and communicating with a team (in some cases with a client).
Also, I had experience as a lead developer in a team;
Currently, I'm aiming to enhance my technical expertise and move along in a staff engineer career path.

Careers

Sr. Node JS Developer

SharpMinds

Full time10/2023 - 02/2024
  1. Dating mobile application.
  3. Solo development of back-end as a full-time member; Implemented RESTful APIs; Utilized caching mechanisms like Redis for faster response times; Improved application performance by addressing code and database bottlenecks.
  5. Technologies & Tools:
  6. Node.js, Next.js, Express.js, MongoDB, Socket.io, ElasticSearch, AWS (s3, Beanstalk, SSM, stripe, google\apple playmarket purchases and subscriptions, google pub\sub).
Sr. Node JS Developer

SharpMinds

Part time04/2022 - 10/2023
  1. Project Description:
  2. Dating mobile application.
  4. Responsibilities:
  5. Support, maintain and code-review
  7. Technologies & Tools:
  8. Node.js, Next.js, Express.js, MongoDB, Socket.io, ElasticSearch, AWS (s3, Beanstalk, SSM, stripe, google\apple playmarket purchases and subscriptions, google pub\sub).
Sr. Node JS Developer

Codifire

Full time04/2022 - 10/2023
  1. Project Description:
  2. Customizable marketplace web application.
  4. Responsibilities:
  5. Developed server-side applications using Node.js and designed microservices; Implemented RESTful APIs for front-end and back-end communication; Created front-end components with Next.js; Optimized database queries for efficient data handling; Conducted unit and integration testing (e.g., Jest) and resolved issues; Improved application performance by addressing code and database bottlenecks; Utilized caching mechanisms like Redis for faster response times; Collaborated with a team of developers using Git for version control; Participated in code reviews to ensure code quality and standards.
  7. Technologies & Tools:
  8. Node.js, Express.js, Koa.js, Strapi.s, MariaDB, Meilisearch, Cronicle, Auth0, NextJs, Socket.io, Jest, Sentry, Stripe, microservices.
Sr. Node JS Developer

Codifire

Part time02/2022 - 04/2022
  1. Project Description:
  2. Customizable marketplace web application.
  4. Responsibilities:
  5. Developed server-side applications using Node.js and designed microservices; Implemented RESTful APIs for front-end and back-end communication; Created front-end components with Next.js; Optimized database queries for efficient data handling; Conducted unit and integration testing (e.g., Jest) and resolved issues; Improved application performance by addressing code and database bottlenecks; Utilized caching mechanisms like Redis for faster response times; Collaborated with a team of developers using Git for version control; Participated in code reviews to ensure code quality and standards.
  7. Technologies & Tools:
  8. Node.js, Express.js, Koa.js, Strapi.s, MariaDB, Meilisearch, Cronicle, Auth0, NextJs, Socket.io, Jest, Sentry, Stripe, microservices.
Sr. Node JS Developer

SharpMinds

Full time04/2021 - 02/2022
  1. Dating mobile application.
  3. Solo development of back-end as a full-time member; Implemented RESTful APIs; Utilized caching mechanisms like Redis for faster response times; Improved application performance by addressing code and database bottlenecks.
  5. Technologies & Tools:
  6. Node.js, Next.js, Express.js, MongoDB, Socket.io, ElasticSearch, AWS (s3, Beanstalk, SSM, stripe, google\apple playmarket purchases and subscriptions, google pub\sub).
Full Stack JavaScript Developer

ThinkMobiles

Full time03/2017 - 05/2021
  1. Project Description:
  2. Aggregator of various Software and Services. Web application prioritized on page speed rendering and SEO. (2019-'21)
  4. Responsibilities:
  5. Tech Lead.Mentoring team members: Providing guidance, support, and knowledge sharing to help team members develop their skills and meet project goals; Code review: Ensuring the quality and consistency of the codebase by reviewing and providing feedback on team members' code contributions; Fully developing server-side rendering applications: Taking a leading role in designing, developing, and maintaining the server-side rendering aspects of the project to meet project requirements; Testing SEO strategies: Implementing and testing search engine optimization (SEO) techniques to improve the project's visibility and performance in search engine results, contributing to its online success.
  7. Technologies & Tools:
  8. Node.js, Postgres, ejs for simple ssr rendering, Vue js for complex managing pages, cloudflare, nginx, google cloud platform.
  10. Other projects:
  11. CRM tool, Video Streaming application, Lead-generator application
Sr. Node JS Developer

SharpMinds

Part time02/2021 - 03/2021
  1. Dating mobile application.
  3. Solo development of back-end as a full-time member; Implemented RESTful APIs; Utilized caching mechanisms like Redis for faster response times; Improved application performance by addressing code and database bottlenecks.
  5. Technologies & Tools:
  6. Node.js, Next.js, Express.js, MongoDB, Socket.io, ElasticSearch, AWS (s3, Beanstalk, SSM, stripe, google\apple playmarket purchases and subscriptions, google pub\sub).

Education

Uzhhorod National University

Applied Mathematics, Control and Cybernetics

08/2011 - 05/2017Master's DegreeClass of 2017
Skills
Node.JSJavascriptTypeScriptDockerSQLVue.jsReact.jsnestjsNextJs MongoDB
Experience5-8 years
Hourly rate$35/hr
Open to
remote

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