> Markdown version of [/jobs/ext/1989163-staff-software-engineer-python](https://www.wearedevelopers.com/jobs/ext/1989163-staff-software-engineer-python). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Staff Software Engineer Python - **Company:** Arsys - **Location:** Barcelona, Spain - **Contract:** Permanent contract - **Skills:** Data Analysis, Computer Programming, Python (Programming Language), Scrum Methodology, SAP (Applications), SAP FI/CO, SQL Databases, Information Technology, Infor - **Published:** August 8, 2026 - **Apply:** https://www.buscojobs.com.es/staff-software-engineer-python-f-m-d-en-barcelona-ID-365900014 ## About the Role Experience in backend programming, mainly Python Passionate about programming. Proactive. Self-learning profile. Fluent English skills (written and spoken) Very precise work style Focus Billing & Tax: Proven experience in analyzing and designing processes in Billing, Invoicing, and/or Tax Determination (e.g., VAT logic). System Knowledge (A Plus): Practical experience with major ERP or financial systems such as SAP (FI/CO) and/or Infor LN is desirable. Technical Understanding: You are capable of independently analyzing data flows. Basic knowledge of reading common code formats (e.g., SQL queries or script logic) is required to comprehend processes at a technical level. Agile Mindset: Experience in an agile environment (Scrum, Kanban) and the ability to work in interdisciplinary teams. Expectations Being part of a multidisciplinary team passionate about technology, with an open and dynamic culture, where experimentation and discussion are encouraged to progress at work, always with respect and inclusion. We offer personalised career plans, annual performance evaluations and programmes to develop skills. ## Description We offer you the opportunity to join the leading Spanish company in the IT sector, with more than 25 years of experience and one of the most solid track records as a provider of technological solutions for companies.We are a growing company with more than 400 employees and offices in Logroño, Madrid, Barcelona, Seville, Bilbao and Valencia.Since August ****, we have been part of the IONOS Group, Europe's leading digitalisation partner for small and medium-sized companies.In short, we are a multicultural team that's passionate about technology, bringing our professional experience from over a dozen countries: Germany, Argentina, Spain, the United States, France, the Philippines, Italy, Poland, Portugal, the United Kingdom, Romania...We are looking for 2 Staff Python Software Developers for the Migration Tooling team.TasksExperience in backend programming, mainly PythonPassionate about programming. Proactive. Self-learning profile.Fluent English skills (written and spoken)Very precise work styleFocus Billing & Tax: Proven experience in analyzing and designing processes in Billing, Invoicing, and/or Tax Determination (e.g., VAT logic).System Knowledge (A Plus): Practical experience with major ERP or financial systems such as SAP (FI/CO) and/or Infor LN is desirable.Technical Understanding: You are capable of independently analyzing data flows. Basic knowledge of reading common code formats (e.g., SQL queries or script logic) is required to comprehend processes at a technical level.Agile Mindset: Experience in an agile environment (Scrum, Kanban) and the ability to work in interdisciplinary teams.ExpectationsBeing part of a multidisciplinary team passionate about technology, with an open and dynamic culture, where experimentation and discussion are encouraged to progress at work, always with respect and inclusion.We offer personalised career plans, annual performance evaluations and programmes to develop skills.We operate in Spanish and English and therefore provide unlimited language training. We work on international projects and define best practices with United Internet partners.We have flexible start and finish times, respecting a schedule of meetings in the central part of the morning and a range of work from 7 a.m. to 9 p.m. with a hybrid model in one of our offices (Alcobendas, Barcelona or Logroño).At Arsys we value diversity and welcome all applications regardless of, for example, gender, nationality, ethnic or social origin, religion, disability, age, as well as sexual orientation and identity, physical characteristics, marital status or any other irrelevant factor subject to applicable law. ## Related Videos - [Data Science in Retail](https://www.wearedevelopers.com/videos/586-data-science-in-retail) - [Migrating half a million users to a new payment service provider](https://www.wearedevelopers.com/videos/730-migrating-half-a-million-users-to-a-new-payment-service-provider) - [Data Science on Software Data](https://www.wearedevelopers.com/videos/162-data-science-on-software-data) - [Agile work at CARIAD – Creating a customer web application for controlling the vehicle ](https://www.wearedevelopers.com/videos/200-agile-work-at-cariad-creating-a-customer-web-application-for-controlling-the-vehicle) - [The Innovation Formula: Fast Prototyping, Data Analysis, and Real User Insights](https://www.wearedevelopers.com/videos/1421-the-innovation-formula-fast-prototyping-data-analysis-and-real-user-insights) - [Recruitment Reinvented: Bold strategies and the $10K signing incentive](https://www.wearedevelopers.com/videos/1068-recruitment-reinvented-bold-strategies-and-the-10k-signing-incentive) ## Related Articles - [The Most Popular IT Jobs on the Market](https://www.wearedevelopers.com/magazine/376-the-most-popular-it-jobs-on-the-market) - [Spanish Business Culture and Etiquette](https://www.wearedevelopers.com/magazine/353-spanish-business-culture-and-etiquette) - [The 12 Best Jobs for Software Engineers](https://www.wearedevelopers.com/magazine/401-the-12-best-jobs-for-software-engineers) - [Top-Paying Tech Jobs (with Salaries)](https://www.wearedevelopers.com/magazine/372-top-paying-tech-jobs-with-salaries) - [Software Engineer Salary London](https://www.wearedevelopers.com/magazine/252-software-engineer-salary-london) - [Software Developer Salary in Austria [2023]](https://www.wearedevelopers.com/magazine/213-software-developer-salary-in-austria-2023)