ServiceNow Developer

Why are you looking for a job?

If your answer ticks all the boxes, this could be the start of a great collaboration.

• You have a curious mind – You won't understand what we're talking about if you don't
• You want to learn more around technology – You won't survive if you don't
• You want to make the world a bit better – We don’t like you if you don't

We happen to be just like that as well. We like hacking things here and there (you included) and create scalable solutions that bring value to the world.

We use state‑of‑the‑art technology to build solutions for our customers and our partners' customers. We make sure we stay best‑in‑class by participating in research projects across Europe, collaborating with top universities and enterprises on AI, Data, and Cloud.

Square Dev is a member of the QnR Group, a leading technology organization specializing in end‑to‑end custom software solutions, Artificial Intelligence, Cybersecurity, SAP S/4

HANA, SAP Business One, Service Now, and Fin Tech solutions.

As part of QnR Group's ongoing expansion — both in Greece and internationally — we are continuously hiring across a wide range of tech roles. Successful candidates may be hired by QnR Group, or another company within the Group, depending on the role and project.

We are looking for a Service Now Developer to join a project with one of our public‑sector clients in Warsaw. You will work within an established Service Now team, alongside the platform’s Architect and Administrator, helping turn business needs into code, configuration, and custom solutions on the platform. In this role you will spend most of your time building: implementing customisations, writing scripts, designing workflows, integrating Service Now with surrounding systems, reviewing code, fixing bugs, and shipping upgrades.

• Build and ship configurations, customisations and scoped apps on Service Now.
• Write platform code (JavaScript / Glide Script, business rules, client/server scripts, UI policies, workflows).
• Integrate Service Now with surrounding systems (REST, SOAP, SSO, LDAP).
• Maintain the platform end‑to‑end and the underlying MariaDB database.
• Apply Service Now upgrades and patches without breaking existing customisations.
• Investigate incidents, fix bugs, and review code to keep quality high.
• Produce technical documentation, SOPs and knowledge base articles.

• At least 5 years of relevant IT professional experience.
• At least 2 years in a similar Service Now Developer position.
• Both Service Now certifications (or equivalent):
  Certified Application Developer (CAD) and Certified System Administrator (CSA).
• Hands‑on experience building custom apps, scoped applications, business rules, scripts and workflows on Service Now.
• Dev Ops experience on Service Now.
• Practical knowledge of MariaDB administration.
• Integration tech: REST, Web Services, SSO, LDAP.
• English at B2 level (CEFR) or higher.

• Broader Service Now modules (ITOM, HRSD, CSM, Sec Ops).
• ITIL / Service Management background.
• Previous EU institution / public‑sector experience.
• Active or recent EU/NATO security clearance.