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Marin – UI/UX, iOS, Swift, experts in Lemon.io

Marin

From Romania (GMT+3)

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UI/UX DesignerMiddle
Mobile DeveloperMiddle
Hire developer
8 years of commercial experience
Accounting
Banking
Fintech
Gamedev
Retail
Sports
Telecommunications
Mobile apps
Gaming software
Lemon.io stats
3
projects done
1450
hours worked
Open
to new offers

Marin – UI/UX, iOS, Swift

Marin has a knack for design and a strong background in development, especially in mobile. He's versatile across different domains and communicates effectively in English. Marin excels as an iOS Developer, always on the lookout for fresh challenges. With experience crafting full-stack mobile solutions, from UI/UX design to backend development, he's dedicated to creating seamless iOS experiences through clean and simple designs.

Main technologies
UI/UX
3 years
iOS
4 years
Swift
4 years
Additional skills
Java
Spring
AWS
Flutter
Objective C
React Native
Figma
Sketch
REST API
UIKit
Rewards and achievements
Big tech veteran
Ready to start
To be verified
Direct hire
Potentially possible

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Experience Highlights

Lead product designer
Sep 2021 - Mar 20231 year 6 months
Project Overview

This is a MMORPG game that gives players the possibility to fully immerse into a massive cosmic war against a common enemy - Atrox. The players manage a fleet of battle ships, they also can forge new equipment for the ships, upgrade and enhance the existing ships, trade goods in citadel cities and much more.

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Responsibilities:
  • Created the main screens of the application from scratch: HUD, Shipyard, Inventory, etc.
  • Collaborated closely with Unity engineers for the implmeentation of the screens
  • Provided Unity ready assets for the implementation of the screens
  • A/B tested flows together with active players
  • Optimized and re-designed existing legacy screens and flows
Project Tech stack:
UI
UX
Unity
Adobe XD
Confluence
Jira
Product designer and Product owner
Jan 2019 - Feb 20234 years 1 month
Project Overview

The main goal of the application is to provide its users assistance in budgeting their personal financial resources and correctly managing daily spending. The app gives the user a very clear and visually pleasing representation of the user's cash flow evolution. The app is meant to help gen Z people who are at the beginning of their financial life and want to get a good grasp of their financial behavior. The main features are a dynamic dashboard (the user can change the widgets on the dashboard), custom categories (the user can add custom categories of spendings), monthly reports, and fast in-app payment of invoices using a PISP Open-Banking tpp.

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Responsibilities:

As a Product designer, Marin have created and maintained the design systems and the visual identity of the product. He consistently delivered design artifacts to the dev team through a handover tool (Zepplin), such as screens, UI elements, flows. And also maintained a continuous feedback loop with the stakeholders and I have implemented design changes that would encapsulate the business needs. Other responsibilities included:

  • created and designed the concept of the product from 0
  • presented the POC in front of the board and receieved funding and a team for implementation
  • designed the UI/UX for all the flows of the application
  • oversaw the entire implementation process of the design by the dev team
  • managed a hibrid agile team for 3 years
  • launched the app as the first open-banking personal financial mobile app in Romania
Project Tech stack:
Hibrid Flutter
Adobe XD & Zepplin
Product design
Product management
iOS Developer & Product designer
Sep 2020 - Feb 20215 months
Project Overview

The app was a concept which aimed to greatly improve the engagement rate of the users with the digital systems of the bank in the german market.

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Responsibilities:
  • Maintenaned the design documents and artefacts
  • Overviewed correct visual implementation of the design by the developers team * * Developed flows and screens using Swift
  • Resolved bugs and issues, optimised application
Project Tech stack:
Swift-C
Cocoa Pods
Backbase
Adobe XD
UI
UX
Product Designer
Jan 2018 - Nov 20202 years 9 months
Project Overview

The application helps the users do their groceries faster. The app encapsulates all the special offers of the retail store and the fidelity card which accumulates points. The user can find a certain product in the store using the live map, also the user can create multiple custom shopping lists. The last feature implemented in this app was a self-scanning flow, which allows the user to scan the products with the app creating a virtual basket of products and when finished scan a generated QR code at checkout and pay the basket.

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Responsibilities:
  • re-designed the main flows of the app for a better UX
  • A/B tested new flows for loyalty cards flows
  • communicatd with direct stakeholders of the app
Project Tech stack:
Hibdrid
React Native
Adobe XD
iOS Developer & Product designer
Sep 2018 - Aug 20201 year 11 months
Project Overview

This is a fintech mobile application which aims to help SMEs (small-medium enterprises) to easily track the financial situation of the organisation. The app provides the user with vital information such as: P&L chart, cashflow projection, income forecasts. The app was developed within the SmartFintech startup in an Agile environment.

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Responsibilities:
  • Designed the application flows
  • Consistently communicated with the stakeholders
  • Designed the architecture of the iOS app
  • Developed flows and screens from scratch using Swift
  • Integrated REST APIs
  • Implemented automated UI testing
  • Collaborated with a hibrid team within a Scrum environment
Project Tech stack:
Swift-C
Cocoa Pods
YAML
Adobe XD
Figma
Zepplin
UI
UX
iOS Developer & backend developer
Jan 2019 - Aug 20201 year 6 months
Project Overview

This is an application created for sport enthusiasts. The main goal of the app is to provide amateur-level soccer players a platform in which they can easily track the matches they are playing, the tracked information includes: the teams compositions, amount of goals scored by each player, the final result. The app provides the group with an intuitive scoreboard which shows the lead goalscorers, the most points obtained and other useful information.

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Responsibilities:
  • collaborated with the founders of a startup
  • consulted the founders on the technological stack fit for the product
  • developed the data-base infrastructure using firebase
  • developed the end-2-end iOS mobile app
  • deployed the app to production
Project Tech stack:
Swift-C
Cocoa Pods
Firebase Firestore
UI/UX Designer
Dec 2017 - Jan 20191 year 1 month
Project Overview

The goal of a project was to create a web portal for an API-based technical integrator. The product provides the client with a set of APIs for an easier integration with EU banks through Open-Banking flows. Small and medium companies can use this product to accelerate their development speed and provide professional financial services, such as account-to-account payments or balance interogations of the banking accounts.

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Responsibilities:
  • created the visual identity and the brand book for the entire product
  • worked together with the sales team on the value proposition for the product
  • designed a smooth on-boarding flow for an API-oriented product
Project Tech stack:
Design - Adobe XD and Figma
iOS developer
Sep 2017 - Dec 20181 year 3 months
Project Overview

The app was developed for one of telecom giants. The app helps the user to trace the credits he/she has on her mobile account, activate roaming, pay bills, edit account details. The app was developed for all the clients of the telecom company.

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Responsibilities:
  • created the mobile architecture for 2 new flows
  • worked withing an agile workflow together witch collabortors from the cleint(Scrum)
  • implemented reactive Programming (ReactiveCocoa)
  • was responsible for release management and git branch management
Project Tech stack:
Mobile: native iOS and Android
Design: Adobe XD and Adobe Photoshop

Education

2021
Economic Informatics
Master's
2021
Economic Informatics
Master's

Languages

English
Advanced

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