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I am Andrei Heliver, a Senior Full Stack Engineer with a track record delivering scalable, high-performance full-stack and mobile applications used by millions of monthly active users across music, sports, automotive, and fintech industries. I thrive on turning complex problems into robust, maintainable systems and collaborating with cross-functional teams to ship features that move the business. I focus on measurable outcomes such as 3x data processing performance, 30% uplift in install-to-purchase conversions, and retention improvements from 15% to 40% within a day. I enjoy designing APIs, automating workflows, and building AI-enabled tooling that helps teams work faster and ship confidently.…I am Andrei Heliver, a Senior Full Stack Engineer with a track record delivering scalable, high-performance full-stack and mobile applications used by millions of monthly active users across music, sports, automotive, and fintech industries. I thrive on turning complex problems into robust, maintainable systems and collaborating with cross-functional teams to ship features that move the business. I focus on measurable outcomes such as 3x data processing performance, 30% uplift in install-to-purchase conversions, and retention improvements from 15% to 40% within a day. I enjoy designing APIs, automating workflows, and building AI-enabled tooling that helps teams work faster and ship confidently.

Andrei Heliver

Full Stack Developer, Back-End Developer, Front-End Developer, +2

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I am Andrei Heliver, a Senior Full Stack Engineer with a track record delivering scalable, high-performance full-stack and mobile applications used by millions of monthly active users across music, sports, automotive, and fintech industries. I thrive on turning complex problems into robust, maintainable systems and collaborating with cross-functional teams to ship features that move the business. I focus on measurable outcomes such as 3x data processing performance, 30% uplift in install-to-purchase conversions, and retention improvements from 15% to 40% within a day. I enjoy designing APIs, automating workflows, and building AI-enabled tooling that helps teams work faster and ship confidently.…I am Andrei Heliver, a Senior Full Stack Engineer with a track record delivering scalable, high-performance full-stack and mobile applications used by millions of monthly active users across music, sports, automotive, and fintech industries. I thrive on turning complex problems into robust, maintainable systems and collaborating with cross-functional teams to ship features that move the business. I focus on measurable outcomes such as 3x data processing performance, 30% uplift in install-to-purchase conversions, and retention improvements from 15% to 40% within a day. I enjoy designing APIs, automating workflows, and building AI-enabled tooling that helps teams work faster and ship confidently.

Available to hire

I am Andrei Heliver, a Senior Full Stack Engineer with a track record delivering scalable, high-performance full-stack and mobile applications used by millions of monthly active users across music, sports, automotive, and fintech industries. I thrive on turning complex problems into robust, maintainable systems and collaborating with cross-functional teams to ship features that move the business.

I focus on measurable outcomes such as 3x data processing performance, 30% uplift in install-to-purchase conversions, and retention improvements from 15% to 40% within a day. I enjoy designing APIs, automating workflows, and building AI-enabled tooling that helps teams work faster and ship confidently.

Skills

Experience Level

Expert

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Language

English

Fluent

Work Experience

Senior Full Stack Engineer at Lerpal

March 1, 2022 - Present

Migrated CRM/ERP integrations from a no-code platform to microservices with zero downtime, cutting infrastructure costs by 95% and improving fault tolerance. Designed and delivered bi-directional CRM/ERP integrations enabling automated outreach and real-time customer communications.

Senior Full Stack Engineer (Co-founder) at ZoomerApps

June 1, 2020 - December 1, 2021

Boosted profile data processing performance 3x for an Instagram analytics app. Segmented data processing, prioritized batches, implemented caching, and switched proxy vendors. Reduced onboarding analysis time from 5 minutes to 30 seconds for profiles with 15K+ followers; increased install-to-trial conversion from 12% to 25%; doubled 7-day retention and tripled session length. Enabled A/B testing, funnel optimization, and live dashboards.

Full Stack Engineer at Lease Exchange

October 1, 2018 - June 1, 2020

Designed and implemented a REST API for mobile and web applications and an admin panel. Core functionality included cart publishing flow, multi-dimensional search engine, chat, subscription management, and cart-related recommendations. Led Android version development. Built product analytics pipeline to identify onboarding drop-offs; redesigned first-session flow; increased install-to-purchase from 10% to 25% and quadrupled session time.

Full Stack Engineer at Slot Makers Game Studio

February 1, 2018 - October 1, 2018

Architected and developed a game P2P matchmaking system and REST API for opponent discovery.

Head of Mobile at Yonder Media Mobile

July 1, 2017 - February 1, 2018

Led a 15-engineer team on a music streaming platform with 1.5M MAU. Eliminated iOS/Android feature gaps and aligned team velocity within 3 months via a tech debt initiative. Established a hiring process for mobile teams; interviewed and mentored new engineers.

Lead Android Engineer at Yonder Media Mobile

August 1, 2016 - June 1, 2017

Designed the architecture of a music application and delivered a crash-free app (99%) in 10 months. Core functionality included audio streaming, discovery, search, playlists, offline mode, and a dynamic UI managed via backend. Set up and maintained a CI/CD pipeline for 5 branded forks; redesigned first-session flow; increased install-to-purchase from 10% to 25% and tripled session time.

Senior Android Engineer at ScienceSoft

March 1, 2013 - July 1, 2016

Implemented core functionality for NFL Super Bowl, NFL, and IndyCar apps. Pioneered Kotlin adoption, reactive programming (Rx), and CI/CD pipelines in the Android department, playing a key role in the transition and mentoring.

Software Engineer at Elinext

May 1, 2012 - March 1, 2013

Implemented core mobile app features for Android and BlackBerry.