Sergiu L.

Sergiu L.

Senior Software Engineer

Romania
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About Me

A skillful mobile application/web developer with 3+ years of experience providing high-level solution-based coding and development. I specialize in applications and web development using ReactJS and React Native and am knowledgeable in various coding technologies. I am committed to providing quality solutions as demonstrated through my development in both “ground-up” and “live” projects. I am motivated by client satisfaction and my ability to provide comprehensive solutions to their challenging development needs.

Work history

UpStack
UpStack
React Native Developer
2017 - Present (8 years)
Remote
  • Create and develop innovative software solutions for different clients across a broad range of industries.

  • Participate in scrums consisting of cross-functional teams, both software and hardware

  • Ensure that features are being delivered efficiently and on-time.

MCRO
MCRO
Software Engineering Consultant
2018 - 2020 (2 years)
Cluj - Napoca, Romania
  • Built high-performance mobile, web and desktop apps for top clients using React Native and JS technologies, implementing major features for products.

  • Advising clients on using technology and applications to meet their business objectives and solve problems for their organization.

  • Recommending software developments and implementations, developing required system changes, and testing solutions to make sure they meet customer requirements.

pdfTooDoc
Founder
2017 - 2019 (2 years)
Cluj, Romania
  • Created it from the ground up, having the mission to develop the simplest way to convert pdf to doc/docx files or vice versa.

  • Identified opportunities by analyzing the market segment and determining user needs.

  • Developed the product by determining specifications and bringing that product into production.

Freelance
Freelance
Lead Developer
2017 - 2017
Remote
  • Developed an application that allows users to create on-demand bookings for cosmo and beauty businesses with both a business and a customer side.

  • Integrated the business side with administrative tasks required for business registration including SMS verification, strip service integration, and Google address verification to allow for further Google marketing options.

  • Vetted and hired two software developers to ensure continued project development.

Around25
Around25
Software Developer
2016 - 2017 (1 year)
  • Integrated a complex system for continuous delivery of mobile apps/application generator using Node.js for the server and React Native for the generated apps.

  • Developed a web system that communicates with the Amazon API in order to locate products that can be used in charity campaigns. Trained interns on ReactJS and Redux architecture.

  • Led a development team while serving as a startup tech lead and integrated final product during a Start-Up Weekend event. Refactored the entire code for a mobile app that was in production in the Apple App Store and Google play within one month.

Smartware SRL Oradea
Smartware SRL Oradea
Web Developer Intern
2015 - 2015
Romania
  • Developed a login-register web application that moves API requests to Flipsnack.com to create online flipbooks using Php, HTML, CSS, JavaScripy/jQuery, and phpMyAdmin.

  • Assisted in create sites and applications that are customer-centric and on-brief.

  • Documented and maintained code, as well as delivered specifications for sharing across teams.

GMAB Consulting SRL
GMAB Consulting SRL
Front-End Developer Intern
2014 - 2014
  • Improved the interface design of a web application for managing production using HTML, CSS, and JavaScript on Bootstrap framework.

  • Created website layout/user interfaces by using standard HTML/CSS practices

  • Refined specifications and requirements by adhering to technical needs and deadlines.

Portfolio

React Native Developer
React Native Developer

Refactored code of a live mobile app to resolve inconsistent structure issues. Integrated the Redux architecture and concentrated the files ensuring that the code functionality used was consistent in both iOS and Android, producing streamlined and well structured code. Technologies used: Redux

Tech-Lead
Tech-Lead

Conceptualized and spearheaded the development of the app. Managed team of seven through development phase of app. Successfully integrated and launched application for start-up weekend through task management and delegation. Technologies used: Node.js, ReactJS, Redux and RethinkDB

Lead Developer
Lead Developer

Led the full development of YouGiftIt, a web system that communicates with the Amazon API in order to locate products that can be used in charity campaigns. Created the system's automated processes using Stripe webhooks. Managed the progression of the project guaranteeing that all deadlines were met. Technologies used: Node.js, ReactJS, Redux and RethinkDB

Developer
Developer

Designed and developed Zingfit, a complex system for continuous delivery for mobile apps (or an application generator) using Node.js for the server and React Native for the generated apps. Created the server to process payloads and screenshots/provisions files. Provided continuous delivery to the Apple App and Google Play stores. Updated multiple apps by pushing new versions of code into specific branch repositories. Technologies used: MongoDB, AngularJS, Java, MySQL

Education

Education
Bachelor’s Degree: Computer Science
Universitatea Tehnică din Cluj-Napoca
2012 - 2016 (4 years)