Business Systems Engineer (Regular/Senior)

Fool's Theory; Bielsko-Biała; Hybrid; PLN 120,000 - 180,000; Full time

Benefits offered by this job

Flexible working hours

Remote-friendly

English lessons

Private medical insurance

Multisport card access

Psychological support

Job summary

Fool’s Theory, a game studio based in Bielsko-Biała, Poland, seeks a Senior/Regular IT Engineer to implement integrations across cloud and on‑premise systems, Atlassian tooling, and internal apps.

You will design robust REST API integrations, automate maintenance tasks, and collaborate with UX and frontend teams to deliver user‑friendly solutions while ensuring security and ISO standards. The role offers flexible hours and remote work options.

Qualifications

• Senior or Regular level in C, C++ or Go
• Scripting in Python, JavaScript or YAML
• Experience with REST APIs and system integrations
• Ability to research and compare technical approaches
• Ability to explain complex concepts to non-technical stakeholders
• Ability to evaluate feasibility based on data
• Ability to work with UX and frontend teams on front-end solutions
• Solutions must meet security and ISO standards
• Ability to work independently and own tasks
• Strong problem-solving skills
• Fluent in English

Responsibilities

• Create and maintain integrations between cloud and on-premise systems
• Customize licensed software and build custom internal applications
• Provide admin support for Jira, Confluence, Jira Service Management, Assets
• Deliver internal user support and run training sessions
• Monitor system health and performance to minimize downtime
• Maintain up-to-date documentation of configurations and procedures
• Establish governance for tool management
• Execute scheduled maintenance and upgrades
• Collaborate with stakeholders across departments to meet evolving needs

Skills

C/C++/Go

Scripting: Python/JS/YAML

REST APIs

Technical research

Explain technical concepts

Feasibility evaluation

Frontend collaboration

Security & ISO compliance

Independent work

Problem solving

English fluency

Tools

Atlassian Jira

Confluence

Jira Service Management

Assets

Job description

About Us

We are Fool’s Theory, a company from Bielsko-Biała in Poland, creators of the game Seven: The Days Long Gone and The Thaumaturge.

About Us

We are Fool’s Theory, a company from Bielsko-Biała in Poland, creators of the game Seven: The Days Long Gone and The Thaumaturge.

We are a collective of experienced and creative developers, who share a simple philosophy - we believe that unbridled passion and flexible processes are what makes the perfect combo for crafting great games.

Sounds interesting? Get in touch with us!

Responsibilities

• Creating and maintaining integrations between cloud and on-premise systems e.g. email, cloud office suites, communication platform, issue tracker, absence management system and KSeF.
• Customizing licensed software, as well as creating custom applications from scratch to support internal processes.
• Providing administrative support for Atlassian products such as Jira, Confluence, Jira Service Management, Assets.
• Providing internal user support and facilitating training sessions to enhance adoption and effective usage.
• Monitoring system health and performance metrics to ensure stability and minimal downtime.
• Maintaining up-to-date documentation covering configurations, standards and operational procedures.
• Establishing and enforcing governance frameworks and best practices for tool management.
• Executing scheduled maintenance tasks and coordinating software upgrades.
• Partnering with stakeholders across departments to gather input and implement solutions that meet evolving needs.

Requirements

• Programming skills at a Senior or Regular level in one of the following languages: C, C++ or Go.
• Knowledge of scripting languages such as Python, JavaScript or YAML and readiness to work extensively with one of these technologies.
• Experience working with REST APIs and implementing system integrations.
• Ability to conduct effective technical research and evaluate different approaches to solving a problem.
• Ability to explain complex technical concepts in a simple, accessible way to non-technical stakeholders.
• Ability to evaluate feasibility based on available data and confidently communicate when a proposed solution is not viable.
• Ability to build a functional, user-friendly frontend and cooperate with UX designers and frontend developers on more complex frontend solutions.
• Ability to create solutions compliant with security and ISO standards.
• Ability to work independently and take ownership of tasks.
• Strong problem-solving skills.
• Fluent in English.

Nice to have

• Knowledge of Jira workflow configuration, smart values, scheme management, and advanced customization.
• Knowledge of real-time systems (WebSocket, WebRTC, etc.).
• Knowledge of SQL and ERP systems.

We offer

• Flexible working hours (core hours 10:00-16:00).
• Possibility to work remotely (from anywhere with a time zone difference of -/+ 2 hours from GMT+1).
• English language lessons.
• Working in a group of experienced specialists, often gamedev veterans, who are willing to share their knowledge.
• Support in industry training courses, conferences and fairs participation.
• Private medical insurance (Enel-med).
• Access to MyBenefit platform with a possibility to co-finance a Multisport Card.
• Psychological support.