Support Software Engineer - Business Systems; Billing & Invoicing), Poland

Support Software Engineer - Business Systems (Billing & Invoicing), Poland

Join to apply for the Support Software Engineer - Business Systems (Billing & Invoicing), Poland role at DoiT
.

Our Support Software Engineer will be an integral part of our Business Systems Engineering team. This role is based remotely as a full‑time employee in the UK, Ireland, Estonia, the Netherlands, Sweden and Israel. We are also open to contractors in Eastern Europe and Portugal.

DoiT is a global technology company that works with cloud‑driven organizations to leverage the cloud to drive business growth and innovation. We combine data, technology, and human expertise to ensure our customers operate in a well‑architected and scalable state – from planning to production.

Delivering DoiT Cloud Intelligence, the only solution that integrates advanced technology with human intelligence, we help our customers solve complex multicloud problems and drive efficiency.

With decades of multicloud experience, we have specializations in Kubernetes, GenAI, Cloud Ops, and more. An award‑winning strategic partner of AWS, Google Cloud, and Microsoft Azure, we work alongside more than 4,000 customers worldwide.

As a Support Software Engineer on our team, you will be responsible for designing, building, and maintaining our critical billing and invoicing systems
. This role is specifically designed for an individual with a strong background in high‑level technical support (e.g., Tier 3, Tier 4) particularly in supporting customer billing and financial operations
. We are seeking candidates who are looking to transition from a support‑focused role into a full‑time software engineering position.

We are seeking candidates who have significant experience troubleshooting complex billing discrepancies
, debugging data‑intensive financial processes, and analyzing how billing systems interact with other business platforms.

The ideal candidate will have practical experience using scripting languages like Python or Go and querying both SQL and No

SQL databases to investigate and resolve complex issues.

This position offers a formal path to apply your deep understanding of complex business processes and core financial operations to a development role. You will shift your focus from reactively fixing billing issues to proactively designing, building, and streamlining the systems that prevent them.

• Improve system observability. Use your troubleshooting skills to improve system observability, enhancing our monitoring, logging, and alerting.
• Automate manual processes and reduce operational toil, turning your support knowledge into permanent solutions.
• Collaborate and problem‑solve. Actively engage with business stakeholders (especially finance and operations) to understand their needs, identify inefficiencies in current billing and invoicing processes, and propose and lead the development of technical solutions.
• Review code. We believe in code reviews, and you will soon start reviewing pull requests as well! You will also mentor junior engineers on best practices for code quality and maintainability.
• Improve the health of the codebase. We’re mindful of accumulating technical debt. We dedicate one day per week to housekeeping, and you will guide efforts to improve code health.
• Provide feedback and technical guidance. The team plans and discusses the upcoming work. We provide feedback to each other, trying to find challenges and unknowns as early as possible. You will provide technical leadership and mentorship to the team.

• 3+ years in a high‑level technical support role (e.g., Tier 3, Tier 4, Business Systems Analyst, Production Support) with a strong focus on customer billing, invoicing, or financial systems.
• Proven, advanced troubleshooting skills. You must be comfortable investigating data discrepancies, reading logs for financial jobs, and debugging complex business processes.
• 1+ years of software development experience.
• Solid understanding of programming languages. You would ideally have knowledge of Go and Python. Experience with other languages is a strong plus, and you should be eager to learn and…