15000 - 20000 PLN

Gross / Month / B2B

PHP

remote

Hello, Brazy is looking for a Senior PHP Backend Developer for our eSports product.

We are a team of daring, innovative professionals. We are Cyberpunks, Cyber Jedi, and Pattern Breakers. Inspired by crazy ideas and a cool team, we create a quality product for the gaming industry and entertainment. We highly value intelligence, passion, and proactivity. We are constantly developing, and daily we struggle with routine and standards. We are changing the industry, changing the playing field so you can change the damn world.

MissionBrazy — To turn life into an interesting game!

VisionBrazy — To be one of the world leaders in the entertainment industry! Location: all over the world.

Current team: Product manager, Team Lead, QA Automation, Frontend, Backend

Job Summary & Project Overview

We are building a payment system that helps merchants accept payments via in-game skins. This is a product at the intersection of finance, gaming, and blockchain — we integrate with Steam, cryptocurrency networks, and payment providers to make transactions fast, secure, and user-friendly.

We are currently looking for a Senior PHP Backend Developer to join our team and help us:

Develop the fiat payment module: integrations with providers, transaction validation, and routing
Extend the crypto-processing module: implement deposits and withdrawals, manage fees, and confirmations
Systematically reduce technical debt: improve observability and architecture
Improve the internal admin panel used by support and operations teams
Design and implement a new version of the merchant dashboard

If you're excited about building financial products where accuracy and security truly matter, you'll feel at home here. We move fast, welcome new ideas, and value engineers who take ownership.

Tech Stack

PHP 8.2
Laravel 11
PHPUnit, PHPStan, PHPMD, PHPMND, CS-Fixer, CodeSniffer
MySQL 8 (migrating to PostgreSQL)
Redis
Temporal
Grafana, Prometheus
Sentry
Kubernetes, Helm, Tekton
GitLab CI, Docker

Communication & Planning

We collaborate via GitLab and Jira, communicate in Slack, and run meetings on Google Meet.

What You’ll Do

Design architecture of key components in the payment system
Develop and maintain internal and external APIs
Integrate with external services: payment providers, Steam API, blockchain networks
Collaborate with the team and product managers to clarify and finalize requirements before development starts
Ensure predictable system behavior in case of failures and errors
Implement telemetry, metrics, and tracing for key business flows
Participate in technical discussions
Reduce technical debt: refactor legacy modules, review outdated approaches
Take part in incident analysis and help improve system resilience
Maintain code quality through testing and code reviews

What We’re Looking For

Attention to detail and autonomy: you can own a task and drive it to completion
Ability to gather and refine requirements: you ask the right questions, clarify edge cases, and reduce rework
Experience designing scalable and reliable solutions with risk mitigation in mind
Ability to design resilient transactional flows and accurate accounting logic
Ability to understand unfamiliar codebases, identify issues, and propose optimal solutions
Willingness to take responsibility for technical decisions and their consequences
Ability to explain your technical choices clearly to both engineers and product stakeholders
Systems thinking: you consider how a task impacts the architecture and business
Ability to conduct thoughtful code reviews focused on stability, readability, and architectural alignment
Strong team collaboration skills

Commercial work experience — 4+ years
Higher or secondary vocational education in a technical field

Nice to Have

Steam ecosystem

Hands-on experience with the Steam economy: buying, selling, or trading via Steam Market or third-party platforms
Understanding of CS2, Dota 2, Rust item logic (trade locks, bans, fees, price mechanics)
Familiarity with Steam API: inventories, trades, rate limits, auth specifics

Payments & Crypto

Experience working with payment providers or financial infrastructure
Integration experience with crypto networks: send/receive, fee management, confirmations