Middle Backend Developer (PHP) Blazing Boost Srl $$$

Madfish

Madfish

Software Engineering

Remote

Posted on Jun 6, 2026

Project

Chat is a multi-channel communication platform for support teams and operators: an omnichannel inbox (web widget, messengers, other sources), conversation routing and assignment, operator tooling, AI assistants for replies and automation, voice flows, statistics and reports, and integrations with external systems. A modular monolith built on clean architecture and DDD, with async flows via queues, realtime over websocket channels, and APIs for web clients and integrations.

Statistics - a separate analytics microservice for event collection and building statistics/reports, on Symfony under the FrankenPHP runtime with ClickHouse as the primary store.

Voice - separate Go microservices for voice flows.

Stack

  • Backend: PHP 8.2+, Laravel and Symfony
  • Databases: MongoDB, ClickHouse, Redis
  • Async & realtime: Redis-based queues, websockets
  • Auth: JWT, OAuth2
  • Integrations: messengers, Google API, external webhooks, AI providers
  • Infrastructure: Docker, Docker Compose, Nginx, S3 storage

Responsibilities

  • Design and develop new functionality.
  • Refactor and optimize existing code, technical-debt tasks.
  • APIs for the UI and external services, integrations with external systems.
  • Work with DB migrations, query optimization, design schemas for new domains.
  • Take part in code review and technical discussions.

Expectations

  • 2+ years of commercial PHP experience
  • Confident OOP, common patterns, SOLID at an "apply it consciously" level, basic understanding of architectural principles and patterns
  • Production experience with Laravel / Symfony / Yii
  • Preferably experience with one of the NoSQL stores, or strong SQL with readiness to learn document-oriented specifics: indexes, schemas, aggregations
  • Async flows: queues, background workers, idempotency
  • HTTP, REST, basic understanding of realtime communication, integrations with external systems via API / webhooks
  • Ability to decompose a feature into tasks and take it to production
  • English - at least B1 (Intermediate): able to hold a basic conversation, ask questions, and explain your work

Nice to have

  • Practical understanding and experience with DDD
  • Experience with Go / TypeScript
  • AI/LLM APIs: prompting, structured outputs, error handling and retries. LangGraph (TS) stack or experience with other agentic frameworks.
  • Knowledge of and openness to AI dev tools, and the ability to use them

What we offer

  • 8-hour working day
  • Flexible schedule - within the team's overlap window you decide when to start and finish
  • 20 paid vacation days per year
  • 5 paid sick days per year
  • National holidays off

Conditions

  • Format: fully remote
  • Employment: full-time
  • Time zone: CET (Central European Time) or Europe/Kyiv
  • Hiring process: CV → technical interview → short test task (optional) → final interview
  • Probation: 2 months