Integration Software Engineer

Python

Walerego Eljasza-Radzikowskiego 47d, Kraków

AVSystem

7 000 - 15 000PLN

Net per month - B2B

5 800 - 12 500PLN

Gross per month - Permanent

Full-time

B2B, Permanent

Junior

Hybrid

Tech stack

Polish

C2

English

B2

REST API

regular

Python

regular

Linux

nice to have

Scala

nice to have

Job description

At AVSystem, we are a Polish-based company behind a telco industry-leading Unified Management Platform (UMP) product allowing Communication Service Providers automatic setup, upgrades, and monitoring of millions of their client routers.

We are seeking a dedicated Integration Software Engineer with a programming & networking background. Your role will focus on:

• Writing code & configuring our platform to customize it to our customers’ needs
• Cooperating directly with our customers during delivery and post-delivery support

Key Responsibilities:

• Writing code and platform configuration during project delivery
• Write project-specific code in our platform GUI to facilitate router configuration
• Implement REST APIs (servers & clients) integrations with external systems
• Configure our platform GUI to display, monitor and report on router KPIs
• Report to Solution Architect and work with Software Engineers (code reviews)
• Post-delivery technical support
• Support integrations you've implemented, work with 1st & 2nd lines of support teams to diagnose, troubleshoot, and resolve issues effectively and promptly
• Ensure documentation & knowledge transfer to customer & support teams
• Customer accounting - work hands-on with customers via support portal, mails, calls

Qualifications:

• Fluency in programming is a must
• Bachelor’s degree in Information and Communication Technology (preferred) or Software Engineering / IT / Electronics and Telecommunications
• Proficient in at least one programming language ( Python preferred)
• Willing to learn in-house Scala-based functional language
• Experience in writing REST API integrations (both client & server-side)
• Familiarity with networking concepts: firewalls, IP, WLAN, TCP/UDP, HTTP(S), SNMP
• Basic Linux system administration skills such as gathering logs, executing scripts, familiarity with CLI tooling (curl, ssh, ss, tcpdump, traceroute, ping)
• Fluent in English (B2/C1)
• Personality:
• You’re a rapid learner, analytical, and detail-oriented, excelling in solving complex problems independently within evolving requirements
• You are comfortable and effective in communicating directly with customers, adept at listening and clarifying their needs and expectations
• You’re capable of managing deadline pressures & context-switching to progress on multiple projects during a week
• Nice to haves
• Professional experience in Software Engineer role
• Experience in network-related role with integrated multi-system environments
• Past positions in telecom domain (ACS, NMS, OSS, BSS know-how)

What we offer:

• You’ll have a chance to deepen your expertise in maintenance to help us shape the way we deliver & support critical applications for telecommunications companies
• You’ll help us grow a leading technology IoT / device management company that creates software used by tier-1 telcos (e.g. Orange, Vodafone, AT&T, TMobile) around the world and makes Internet connection possible for millions of end-users

Come join the best!

Published: 15.08.2025

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