Lead Backend Engineer
Payment gateway for a fintech platform
A high-load payment gateway on Laravel and Go: payment processing with guaranteed idempotency and 99.98% uptime.
- PHP
- Laravel
- Go
- PostgreSQL
- +2
9 years in backend development
Ruslan Ismailov -
Senior Web / Backend Developer
Server-side development, high-load systems and clean architecture. I design and grow high-load services with PHP, Laravel and Go, focusing on reliability, performance and clean architecture.
- Experience
- 9+ years
- Stack
- PHP · Go
- Focus
- Backend
Technology stack
Technologies
The tools I work with every day — from the language to the infrastructure.
Featured case studies
Projects
Real products: the task, the solution and a measurable result.
Senior Backend Developer
A delivery-services API aggregator
A single API over a dozen courier services: cost calculation, order creation and real-time tracking.
Tech Lead
A real-time analytics platform
Collecting and processing an event stream with real-time dashboards on Go, PostgreSQL and Redis.
- Go
- PostgreSQL
- Redis
- Docker
- +2
From the blog
Latest articles
Notes on backend development, databases and running production systems.
Backend development
9 min read
How we sped up our Laravel API fivefold
We break down a real path to optimizing a Laravel API: profiling, fighting N+1, caching and resident mode — with before-and-after numbers.
Backend development
8 min read
Queues in production without pain: idempotency and retries
Why queued jobs must be idempotent, how to protect against double execution and properly configure retries.
Databases
11 min read
PostgreSQL: indexes that actually work
How to read a query plan, choose an index type and avoid creating useless indexes that only slow down writes.
Need an experienced backend engineer for your project?
I help teams design APIs, offload databases, build microservices and automate releases. Learn more about me and my approach on the “About” page, and see the list of services here.