Software Developer
EU
June 25, 2026 at 11:28 AM
✨ AI summary
Location
- Bonn, Germany
Languages
- C#
Frameworks
- .NET
- WinForms
Databases
- Microsoft SQL Server
About The Company
Founded in 1913, STOTaX GmbH & Co. KG is a well-established company headquartered in Bonn, Germany. With a dedicated team of approximately 100 employees, we specialize in developing and distributing modern software solutions tailored for tax advisors, accountants, and businesses. Our long-standing presence in the industry reflects our commitment to innovation, quality, and customer satisfaction. Over the years, we have built a reputation for delivering reliable and efficient financial software that meets the evolving needs of our clients. As part of our ongoing growth and expansion, we are seeking talented professionals to join our team and contribute to our continued success.
About The Role
We are currently looking for a Software Developer On-Premise Services (m/w/d) to join our dynamic team in Bonn. In this role, you will be responsible for designing, developing, and maintaining software solutions focused on financial and tax-related applications. You will work closely with our tax professionals and end-users to translate complex requirements into efficient, high-quality software. This position offers a unique opportunity to combine IT expertise with the intricacies of tax law, working on modern desktop applications utilizing current .NET technologies. Whether you prefer full-time or part-time work, this role provides a flexible environment with opportunities for professional growth and development in a supportive and innovative setting.
Qualifications
The ideal candidate will possess strong technical skills and a proactive mindset. Essential qualifications include a solid foundation in object-oriented programming, particularly with C#, and experience with WinForms. Familiarity with Visual Studio and relational database systems such as Microsoft SQL Server is required. Candidates should demonstrate a structured, analytical approach to problem-solving and the ability to quickly grasp complex topics. Good communication skills in German are essential, as well as a passion for teamwork and knowledge sharing. Additional desirable skills include experience with agile methodologies, version control systems like Git, and exposure to AI-supported tools in software development. A degree in computer science, software engineering, or a related field is preferred.
Responsibilities
Your primary responsibilities will include the design and conceptualization of software solutions tailored for financial and tax-related processes, utilizing the latest .NET technologies. You will analyze existing desktop applications, identify opportunities for modernization, and contribute to their ongoing development. Engaging in all phases of project lifecycle—from requirements analysis and specification to development and testing—is crucial. You will collaborate closely with tax professionals to ensure that software functionalities accurately reflect legal and financial standards. Additionally, sharing knowledge through training sessions and coaching within the team will be an integral part of your role, fostering a collaborative and innovative work environment.
Benefits
STOTaX GmbH & Co. KG is committed to fostering an inclusive and diverse work environment. We welcome applications from individuals of all backgrounds, regardless of gender, age, ethnicity, religion, disability, or sexual orientation. Our goal is to provide equal opportunities for all employees and applicants, ensuring a respectful, supportive, and equitable workplace where everyone can thrive and contribute to our shared success.
Founded in 1913, STOTaX GmbH & Co. KG is a well-established company headquartered in Bonn, Germany. With a dedicated team of approximately 100 employees, we specialize in developing and distributing modern software solutions tailored for tax advisors, accountants, and businesses. Our long-standing presence in the industry reflects our commitment to innovation, quality, and customer satisfaction. Over the years, we have built a reputation for delivering reliable and efficient financial software that meets the evolving needs of our clients. As part of our ongoing growth and expansion, we are seeking talented professionals to join our team and contribute to our continued success.
About The Role
We are currently looking for a Software Developer On-Premise Services (m/w/d) to join our dynamic team in Bonn. In this role, you will be responsible for designing, developing, and maintaining software solutions focused on financial and tax-related applications. You will work closely with our tax professionals and end-users to translate complex requirements into efficient, high-quality software. This position offers a unique opportunity to combine IT expertise with the intricacies of tax law, working on modern desktop applications utilizing current .NET technologies. Whether you prefer full-time or part-time work, this role provides a flexible environment with opportunities for professional growth and development in a supportive and innovative setting.
Qualifications
The ideal candidate will possess strong technical skills and a proactive mindset. Essential qualifications include a solid foundation in object-oriented programming, particularly with C#, and experience with WinForms. Familiarity with Visual Studio and relational database systems such as Microsoft SQL Server is required. Candidates should demonstrate a structured, analytical approach to problem-solving and the ability to quickly grasp complex topics. Good communication skills in German are essential, as well as a passion for teamwork and knowledge sharing. Additional desirable skills include experience with agile methodologies, version control systems like Git, and exposure to AI-supported tools in software development. A degree in computer science, software engineering, or a related field is preferred.
Responsibilities
Your primary responsibilities will include the design and conceptualization of software solutions tailored for financial and tax-related processes, utilizing the latest .NET technologies. You will analyze existing desktop applications, identify opportunities for modernization, and contribute to their ongoing development. Engaging in all phases of project lifecycle—from requirements analysis and specification to development and testing—is crucial. You will collaborate closely with tax professionals to ensure that software functionalities accurately reflect legal and financial standards. Additionally, sharing knowledge through training sessions and coaching within the team will be an integral part of your role, fostering a collaborative and innovative work environment.
Benefits
- Permanent employment contract with a long-term perspective in a future-oriented company.
- Competitive salary package, including 13.5 monthly payments, regular salary increases, holiday pay, and a Deutschland-Ticket.
- 30 vacation days, with additional days off for Carnival, Weiberfastnacht, Christmas, and New Year’s Eve.
- Flexible working hours with the option for two days of home office per week, supported by modern technical equipment and a flexible Gleitzeit account.
- Unique blend of IT and tax law work, offering exposure to modern processes and technologies.
- Personal onboarding with a dedicated mentor, along with ongoing opportunities for professional development and training.
- Warm, family-like work atmosphere with flat hierarchies and genuine opportunities for influence and participation.
- Regular company events, celebrations, and a quarterly Foodtruck for lunch breaks.
- Free parking facilities and bright, quiet office spaces conducive to productive work.
STOTaX GmbH & Co. KG is committed to fostering an inclusive and diverse work environment. We welcome applications from individuals of all backgrounds, regardless of gender, age, ethnicity, religion, disability, or sexual orientation. Our goal is to provide equal opportunities for all employees and applicants, ensuring a respectful, supportive, and equitable workplace where everyone can thrive and contribute to our shared success.