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Denis
Bondarenko

Average Review
0.00
Reputation
17
Finished gigs
0
Finished jobs
0
Website
github.com
Country
Not specified
Skills
Web, Mobile & Software Dev
IT & Networking
React
Node.js
QA
SQL
Front End
Back End Developer
Databases
API
Data Bases
Excel
SQLite
User Testing
Functionality testing
Docker
CI/CD
Debugging
Specialization
Next.js & Supabase Developer
Hourly rate
$20/hr
Preferred payment options
Ethereum
ETH
USDT
USDC
About me
I'm a Next.js and Supabase developer with experience building and testing web applications. I work with TypeScript, React, PostgreSQL, authentication, Row Level Security (RLS), API integrations and bug fixing. My recent projects include a client portal with user authentication, service requests and automated database security tests, as well as TradePilot AI, a trading research and analytics platform. Before moving into software development, I spent years working with technical systems, diagnostics and troubleshooting. This experience helps me find problems, understand their causes and test solutions carefully. I'm available for small development tasks, bug fixes, Supabase configuration, RLS testing and ongoing project support.
https://www.linkedin.com/in/denis-bondarenko-a94491388

Work experience

Next.js and Supabase Developer
February 2026 – Current time
Job title
Freelance / Self-employed
Work experience & achievements
Building and testing web applications using Next.js, TypeScript, React, Supabase and PostgreSQL. Experience with user authentication, protected routes, Row Level Security (RLS), API integrations, database migrations and automated testing. Recent projects include a B2B Client Portal with service requests and RLS isolation tests, and TradePilot AI, a trading research and analytics platform. I also work on bug fixing, troubleshooting and testing user permissions.
Independent Technical Contractor
January 2019 – March 2026
Job title
Self-employed
Work experience & achievements
Worked independently on installation, commissioning, maintenance and troubleshooting of security and low-voltage systems. Managed technical projects, diagnosed equipment faults, worked with IP networks and integrated systems, and communicated directly with customers. This experience developed my systematic approach to problem-solving, testing and technical troubleshooting.
Security Systems and Automation Technician
March 2008 – December 2018
Job title
Spetsavtomatika
Work experience & achievements
Installed, commissioned and maintained integrated security systems, CCTV, fire alarm and access control systems. Worked with Siemens, Honeywell, Bosch, Bolid, Hikvision and Axis equipment. Provided technical support, system diagnostics and emergency troubleshooting at major facilities, including the Russian Museum, Hermitage and National Library of Russia.

Education

Synergy University
Graduation year: 2026
Level of study
Bachelor
Major / Field of study
Business Informatics
I will test and fix Supabase RLS and authentication issues
Web, Mobile & Software Dev
React
Node.js
$60
More info