---
title: "Senior Python Platform… at A1 Bulgaria – Sofia, Bulgaria"
canonical: "https://www.metaintro.com/job/senior-python-platform-engineer-f-m-d-a1-competence-delivery-center-ed90ff95-19da-5b3e-bdc2-c0e214039d0e"
language: "en"
author: "Metaintro"
---

[/company/a1-bulgaria](/company/a1-bulgaria)[A1 Bulgaria](/company/a1-bulgaria)
# Senior Python Platform Engineer (f/m/d) @ A1 Competence Delivery Center at A1 Bulgaria

**Setup**
: Hybrid

**Location**
: Sofia, Sofia-City

**Type**
: Full-time

**Level**
: senior

**Posted**
: Sep 9, 2026

## Description

A1 is hiring a Backend Software Engineer to design and evolve its next-generation Wholesale Billing platform. The role involves building scalable Python/Django backend services and APIs, contributing to architecture and technology decisions, and driving automation, observability, and cloud-ready engineering practices. The engineer will collaborate with business experts, product owners, and engineers across the A1 Group, with a focus on large-scale data, billing, transaction processing, cloud, containerization, and modern software architecture.

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