Senior .Net Developer (backoffice)

Autofixer is one of the largest and fastest growing online car parts stores in Poland, supplying high-quality components for various vehicle types including passenger cars, delivery vans, sports cars, off-road vehicles, and agricultural and industrial machines. The company operates an proprietary ERP system that integrates sales cycles from orders to logistics to accounting. This role focuses on implementing and integrating the accounting system InsERT nexo with the ERP ecosystem.

• Very good practical knowledge of the InsERT nexo environment, including Subiekt nexo, Rewizor nexo, Gratyfikant nexo, and integration experiences (e.g., Sfera / API InsERT).
• Strong knowledge of SQL and experience with databases, preferably PostgreSQL 15+.
• Experience in e-commerce or distribution sectors, handling large volumes of B2B/B2C transactions.
• High degree of independence in task analysis and execution.
• Analytical and critical thinking skills.
• Willingness for long-term collaboration.

Nice to have:

• Knowledge of logistics and warehouse processes (PZ / WZ / MM etc.).
• Experience with accounting integrations and document exchanges (invoices, warehouse documents, JPK).
• Experience with Google Cloud Platform.
• Knowledge of CI/CD tools and practices (GitLab, GitOps).
• Experience with Kubernetes and OpenTelemetry.
• Experience working with integrations for e-commerce platforms (e.g., Allegro, eBay) and payment gateways (e.g., PayPal, Adyen, P24).
• Knowledge of the Automotive industry.

• Integrate InsERT nexo modules (Subiekt nexo, Rewizor nexo, Gratyfikant nexo) with the proprietary ERP system.
• Deploy and configure the InsERT nexo accounting system within the company.
• Develop and maintain the proprietary ERP system in the .NET Core environment.
• Design and implement solutions using PostgreSQL databases.
• Model and automate logistical and accounting processes (e.g., PZ / WZ / MM) connecting ERP and InsERT nexo.
• Collaborate closely with the team and accounting department to analyze requirements and design new functionalities.
• Ensure high code quality and adherence to established standards.

Please be informed that the data controller is 732 080 952 AUTOFIXER.COM sp. z o.o, ul. Stanisława Staszica 24, 21-400, Łuków (hereinafter "controller"). You have the right to request access to your personal data, their rectification, erasure or restriction of processing, the right to object to processing, as well as the right to data portability and to lodge a complaint to the supervisory authority. Personal data will be processed for the purpose of the recruitment process. Provision of data to the extent resulting from the Act of 26 June 1974 Labour Code is mandatory. In the remaining scope, providing data is voluntary. Refusal to provide mandatory data may result in the impossibility to carry out the recruitment process. The Administrator processes mandatory data on the basis of a legal obligation incumbent upon him/her, while with regard to additional data, the basis for processing is consent. Personal data will be processed until the recruitment procedure is completed and for the period of the possibility of asserting potential claims, and in the case of consent to participate in future recruitment procedures - until the withdrawal of such consent. Consent to the processing of personal data can be withdrawn at any time. The recipient of the data is the Just Join IT service and other entities to whom we have entrusted the processing of data in connection with recruitment.