Open to opportunities

Serghei Leu

@sergheileu

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Senior Node.js Developer focused on high-quality software solutions.

Moldova

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What I'm looking for

I am looking for remote opportunities that challenge my skills and foster growth.

I am a Senior Node.js Developer with over 7 years of experience, specializing in creating high-quality software solutions for businesses worldwide. My journey has been marked by a commitment to excellence and a passion for remote work, allowing me to collaborate with diverse teams and clients.

Throughout my career, I have successfully implemented innovative solutions that enhance platform stability, improve user experience, and drive business growth. My expertise in Node.js, TypeScript, and AWS has enabled me to lead projects that significantly reduce costs and improve scalability. I thrive on challenges and continuously seek opportunities to leverage my skills in dynamic environments.

Experience

Work history, roles, and key accomplishments

Senior Backend Developer

KFC

Jan 2024 - Feb 2024 (1 month)

Enhanced scalability and reduced costs for a management platform by implementing a microservice architecture, which optimized resource allocation and accelerated global expansion.

AWS CloudFormation Git Jira Agile DevOps Microservices Scalability

Senior Backend Developer

SenturoPay

Oct 2023 - Jan 2024 (3 months)

Worked on enhancing a digital wallet and payment platform by integrating support for Tron, implementing integration tests, and developing an in-app swap feature for digital assets, significantly improving transaction volume and user experience.

TypeScript AWS PostgreSQL Kafka Redis Integration Testing Web3 Crypto Payments Microservices

Senior Node.js Fullstack Developer

Waive

Dec 2022 - Jul 2023 (7 months)

Migrated a management platform to the latest technologies, boosting customer satisfaction and significantly reducing loading times and development costs.

Express TypeScript PostgreSQL AWS CloudFormation Redis REST Git Agile

Senior Fullstack Developer

GEDISA

Feb 2022 - Aug 2022 (6 months)

Developed a web app that improved employee productivity and boosted platform value by providing a modular, scalable service using modern technologies.

PHP Laravel Livewire PostgreSQL Git Jira Agile Automation Web Development

Senior Backend Technical Lead

GetHeli

Feb 2020 - Feb 2021 (1 year)

Increased broker engagement by developing an external API for CRM integration and a white-labeled widget for seamless website integration.

PHP Laravel REST Leadership Redis Git Agile Nginx DevOps

Senior Backend Developer

GetHeli

Jul 2019 - Jan 2020 (6 months)

Enhanced efficiency in helicopter charter operations by introducing a live chat feature and connecting small operators to a larger marketplace.

PHP Laravel REST Redis Git Agile Nginx Stripe

PHP Backend Developer

Helipaddy

Jan 2019 - Jun 2019 (5 months)

Migrated a management platform to the latest technologies, eliminating security vulnerabilities and significantly increasing customer satisfaction.

PHP Laravel REST Redis Git Agile Nginx Stripe DevOps

PHP Backend Developer

LiftNGo

Jul 2018 - Dec 2018 (5 months)

Implemented an online payment system and live tracking features, significantly boosting platform usage and value.

PHP Laravel REST Redis Git Agile Nginx Stripe DevOps

PHP Backend Developer

Airbusinessclass

Feb 2018 - Jul 2018 (5 months)

Increased employee productivity and customer satisfaction by implementing a Passenger Name Record parser for itinerary automation.

PHP Laravel REST Redis Git Agile Nginx Stripe

Education

Degrees, certifications, and relevant coursework

Free International University of Moldova

Bachelor in Informational Technologies, Informational Technologies

2016 - 2021

Completed a Bachelor in Informational Technologies, focusing on various aspects of software development and technology integration. Developed skills in Node.js, TypeScript, PostgreSQL, and AWS, among others.