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Alexander Cheremisin

@m0rningsun

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Senior Frontend / Lead Angular developer delivering scalable web and hybrid apps.

Ukraine

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What I'm looking for

I seek a senior frontend or technical lead role where I can drive frontend architecture, mentor teams, improve scalability, and deliver user-centered products.

I am a Senior Frontend and Lead Angular developer with 8+ years building scalable web and hybrid mobile applications, strong expertise in Angular (2+), TypeScript, RxJS and modern frontend architecture. I have led frontend teams, refactored legacy systems, and delivered complex production features while collaborating closely with backend and product stakeholders.

My notable achievements include leading frontend development for a clinical platform, improving application architecture and scalability, migrating legacy Ionic/Angular apps to modern versions, and building backend APIs for IoT and other products. I focus on shipping reliable user-focused solutions and mentoring teams to maintain high code quality.

Experience

Work history, roles, and key accomplishments

Current

Lead Angular Developer

Current

Nextmotion

Jan 2020 - Present (6 years)

Led frontend development of a complex web platform for doctors and clinics, delivered scheduling, prescriptions, invoices and treatment management features, and improved application architecture and scalability. Organized and coordinated a frontend team and conducted code reviews to increase delivery quality.

Angular TypeScript RxJS REST APIs Frontend Architecture Team Leadership Code Review

Backend Developer

LaborNet Consortium

Aug 2020 - Apr 2021 (8 months)

Developed backend services and REST APIs for a centralized labor and background-check platform using Node.js, Express.js and PostgreSQL. Designed and maintained data storage and service integrations to support platform functionality.

Node PostgreSQL REST APIs Backend Development API Design SQL Data Modeling

Hybrid Mobile Developer

Trade Tree Online (TTO)

Sep 2018 - May 2020 (1 year 8 months)

Refactored a legacy hybrid mobile app and migrated it to Angular 8 and Ionic 4, implemented major features including Stocks, Auctions and Social Network, and delivered stable production releases.

Angular Ionic TypeScript Migration Refactoring Production Releases UI Development

Backend Developer

Bzigo

Feb 2018 - Dec 2019 (1 year 10 months)

Built API from scratch for an IoT mosquito-detection product and implemented data processing and notification logic using Node.js, Express.js and PostgreSQL to support device telemetry and alerts.

Node PostgreSQL API Development Data Processing Notifications Integration

Angular Developer

ContentSnare

Sep 2016 - Jun 2018 (1 year 9 months)

Developed a client-side application from scratch and built UI for managing project requirements and client communication using Angular 2 and TypeScript.

TypeScript Frontend Development UI Client Communication JavaScript

PHP Yii2 Developer

Ukrdev

Oct 2015 - Aug 2016 (10 months)

Migrated a project from Yii to Yii2, developed approximately 70% of functionality, optimized complex MySQL queries and integrated third-party UI frameworks and APIs.

PHP Yii MySQL Bootstrap Material UI Kendo UI API Integration SQL Optimization

Education

Degrees, certifications, and relevant coursework

LaborNet Consortium

Bachelor of Applied Science (BASc), Backend development / Computer Science

2020 - 2021

Activities and societies: Developed backend services, designed and maintained REST APIs, worked with Node.js, Express.js, and PostgreSQL.

Participated in a Bachelor of Applied Science program focused on backend development, designing and maintaining REST APIs and backend services.

Zaporizhzhya National University

Bachelor of Applied Science (BASc), Mathematics

2012 - 2016

Activities and societies: Developed backend services for a centralized labor and background-check platform; worked with PostgreSQL and Express.js.

Completed undergraduate studies in Mathematics with involvement in backend development projects and technologies such as Node.js, Express.js, and PostgreSQL.