[CSP] Integration Software Engineer

AVSystem; Kraków; On-site; PLN 120,000 - 180,000; Full time

Benefits offered by this job

Onsite gym

Multisport card

Medical care

MacBook Pro / ThinkPad with 2 monitors

Flexible working hours/remote work

Career development opportunities

Job summary

AVSystem in Kraków is seeking an Integration Software Engineer with a programming and networking background to contribute to our Unified Management Platform (UMP) for telco service providers.

You will write code, configure the platform for customers, implement REST API integrations, and collaborate directly with clients during delivery and post-delivery support, while growing in-house Scala skills and expanding your knowledge of networking and Linux tools.

Qualifications

• Bachelor’s degree in ICT or Software Engineering / IT / Electronics and Telecommunications.
• Fluency in programming is required; at least one language (Python preferred).
• Experience in writing REST API integrations (client & server side).
• Familiarity with networking concepts (firewalls, IP, WLAN, TCP/UDP, HTTP(S), SNMP).
• Basic Linux system administration skills (logs, CLI tools).
• Strong communication with customers and ability to work under deadlines.

Responsibilities

• Write code and configure the platform during project deliveries.
• Develop project‑specific code in the platform GUI for router configuration.
• Implement REST API integrations with external systems.
• Configure GUI to display, monitor and report router KPIs.
• Report to Solution Architect and perform code reviews with engineers.
• Provide post‑delivery technical support and knowledge transfer to customers.

Skills

Programming fluency

Python

REST APIs

Networking concepts

Linux basics

Customer communication

Scala eagerness

Education

Bachelor’s degree in Information and Communication Technology or Software Engineering / IT / Electronics and Telecommunications

Tools

curl

ssh

tcpdump

Job description

Communications Service Providers (CSP) are the biggest, most important clients of AVSystem. We build, test, launch and operate systems for our telco customers and make a living by keeping them relevant, reliable and remarkable.

We are 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.

This role is onsite / partially remote, Kraków preferred.

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)
• 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.
• Our customers depend on the reliability of our products to generate revenue in their business. The telco industry is ever‑growing and needs us to support that growth.
• Open‑source contribution opportunities.
• A team of highly skilled and humorous colleagues.
• Access to the best tools and equipment available in the market.
• A MacBook Pro / ThinkPad with 2 monitors.
• Company events and team building activities.
• Multiple career paths and employee development options – we want you to develop into a tech lead in the future, but we’ll support you in getting another dream role in site reliability, management, product development or sales.
• Flexible working hours/remote work when you need it.
• Training and conferences.
• Onsite gym and chillout space.
• Multisport card.
• Medical care.
• Kitchen full of snacks and treats (including Good Lood ice cream).
• Car parking area and bike room.
• A relaxed work atmosphere – no dress code, no open space.

Come join the best!

Thank you for your interest in the Integration Software Engineer (UMP) position.