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Balazs Sebesteny

@sebestenyb

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Results-oriented senior software developer with 20 years of experience in software development.

New Zealand

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What I'm looking for

I am looking for a small, euthanistic team working on a fascinating, beautiful, and user-friendly product using modern technologies and excellent development practices.

Proven leadership in both agency and SaaS startup environments. Foster a collaborative and growth-oriented work ethic, with a passion for mentoring and knowledge sharing. Highly organised and analytical, with a demonstrated ability to quickly learn and adapt to new technologies.

Experience

Work history, roles, and key accomplishments

Principal engineer (remote)

Hourstack LLC

Oct 2021 - Mar 2023 (1 year 5 months)

As a principal engineer, my role was to
· develop and maintain a clean, high performant, and standardized API code
· optimize and fine-tune the database
· write tests, documentation
· implement a CI pipeline for automated tests and deployments
· implement integrations for various 3rd party APIs

PHP Laravel MySQL PHPUnit GitHub React NextJS

Senior developer (remote)

SWOOP Analytics

Aug 2021 - Nov 2021 (3 months)

As a developer, my role is ranging from
· create a scalable deployment system, an efficient database, and a modern API
· write documentation
· ensure product and data end work together
· build components to work within the overall architecture laid out by SWOOP

PHP PostgreSQL CentOS Git Atlassian JIRA

Lead developer / CTO

Yabble

Oct 2018 - Dec 2020 (2 years 2 months)

As a CTO, my role is ranging from
· design the software’s architecture
· work alongside business and marketing as a creative technologist
· plan and implement a scalable infrastructure capable of running on multiple providers
· introduce workflows, tooling, and best practices to the team
· as a hands-on CTO, I also wrote the central part of the codebase

PHP Laravel MySQL Elasticsearch AWS AWS Lambda Git Atlassian JIRA Vue.Js

Lead developer / CTO

Boys From The Factory

Jan 2016 - Sep 2018 (2 years 8 months)

My role as CTO and the lead developer was to
· research and design solutions for a wide variety of different clients
· plan and implement hosting solutions for them
· ensure the efficient workflow of Boys via automation
· mentor and teach the team about best practices and new technologies

PHP Laravel MySQL MongoDB AWS S3 Amazon SES Git Atlassian JIRA Vue.Js

Senior Developer

NZME

Nov 2013 - Dec 2015 (2 years 1 month)

I joined as a senior developer, and
· helped migrate a monolithic legacy system to a modern and scalable microservice architecture
· contributed to many of the crucial core services, like finance, fulfillment, e-commerce, central messaging
· worked in an agile environment as the lead developer of one of the several small semi-independent teams

PHP PHP Symfony MySQL Python Django Elasticsearch RabbitMQ Git Atlassian JIRA

Current

Principal Engineer

Current

CareMaster Global

May 2023 - Present (3 years 1 month)

CareMaster is an Australian disability care management platform with a
comprehensive feature list and an impressive customer base.

As a principal engineer, my role was to
○ Develop and improve both the backend and frontend
codebase
○ Modernise coding standards and standardise components
○ Write tests, documentation

Laravel MySQL Vue Azure IaC PHP

Senior Technical Advisor

Scrap IO

Jun 2024 - Oct 2025 (1 year 4 months)

Scrap IO is a Google Maps-based lead-generator with over 200 million
places indexed and a 5000 requests per minute load.
As a senior technical advisor, my role is to
○ Design and implement high-level architectural patterns
○ Oversee and mentor developers
○ Ensure the high quality and maintainability of the code base
○ Implement automated code quality tools, test suites and deployment pipelines