Software Developer
EU
June 28, 2026 at 10:33 AM
✨ AI summary
Location
- Bonn, Germany
Languages
- C#
Frameworks
- .NET
- WinForms
Databases
- Microsoft SQL Server
About The Company
STOTaX GmbH & Co. KG was established in 1913 and has a long-standing tradition of delivering innovative software solutions. Located in Bonn, the company employs approximately 100 dedicated professionals committed to providing high-quality services. Specializing in modern accounting and financial software, STOTaX caters to tax consultants, accountants, and various enterprises, facilitating efficient financial management and compliance. With a focus on continuous growth and technological advancement, the company maintains a dynamic environment that fosters innovation and professional development. Its commitment to quality, customer satisfaction, and employee well-being positions STOTaX as a reputable leader in the financial software industry.
About The Role
We are seeking a Software Developer On-Premise Services (m/w/d) to join our team in Bonn. In this role, you will be responsible for designing, developing, and maintaining desktop software solutions tailored for financial and tax-related applications. You will work closely with tax professionals to translate complex requirements into reliable and efficient software, utilizing current .NET technologies. The position offers an excellent opportunity to be involved in all phases of the software development lifecycle, from analysis and specification to implementation and testing. You will contribute to the modernization of existing applications and participate in innovative projects that combine IT and tax law, ensuring our solutions meet the highest standards of quality and usability.
Qualifications
The ideal candidate will possess strong technical expertise, particularly in object-oriented programming with C#. Experience with WinForms, Visual Studio, and relational database systems such as Microsoft SQL Server is essential. You should have a structured and analytical approach to problem-solving, with the ability to quickly grasp complex topics. Excellent communication skills and a team-oriented mindset are crucial, as you will collaborate with tax specialists and other developers. Knowledge of agile methodologies, version control systems like Git, and familiarity with AI tools in software development are advantageous. Fluency in German is required to effectively communicate within the team and with clients.
Responsibilities
STOTaX GmbH & Co. KG is committed to creating an inclusive and diverse workplace. We welcome applications from individuals of all backgrounds, regardless of age, gender, ethnicity, disability, or sexual orientation. Our hiring process is fair and unbiased, and we strive to provide equal opportunities for professional growth and development to all employees. We believe that diversity enhances our innovation and success, and we are dedicated to fostering an environment where everyone feels valued and respected.
STOTaX GmbH & Co. KG was established in 1913 and has a long-standing tradition of delivering innovative software solutions. Located in Bonn, the company employs approximately 100 dedicated professionals committed to providing high-quality services. Specializing in modern accounting and financial software, STOTaX caters to tax consultants, accountants, and various enterprises, facilitating efficient financial management and compliance. With a focus on continuous growth and technological advancement, the company maintains a dynamic environment that fosters innovation and professional development. Its commitment to quality, customer satisfaction, and employee well-being positions STOTaX as a reputable leader in the financial software industry.
About The Role
We are seeking a Software Developer On-Premise Services (m/w/d) to join our team in Bonn. In this role, you will be responsible for designing, developing, and maintaining desktop software solutions tailored for financial and tax-related applications. You will work closely with tax professionals to translate complex requirements into reliable and efficient software, utilizing current .NET technologies. The position offers an excellent opportunity to be involved in all phases of the software development lifecycle, from analysis and specification to implementation and testing. You will contribute to the modernization of existing applications and participate in innovative projects that combine IT and tax law, ensuring our solutions meet the highest standards of quality and usability.
Qualifications
The ideal candidate will possess strong technical expertise, particularly in object-oriented programming with C#. Experience with WinForms, Visual Studio, and relational database systems such as Microsoft SQL Server is essential. You should have a structured and analytical approach to problem-solving, with the ability to quickly grasp complex topics. Excellent communication skills and a team-oriented mindset are crucial, as you will collaborate with tax specialists and other developers. Knowledge of agile methodologies, version control systems like Git, and familiarity with AI tools in software development are advantageous. Fluency in German is required to effectively communicate within the team and with clients.
Responsibilities
- Design and develop software solutions for financial and tax-related processes using modern .NET technologies.
- Analyze, modernize, and enhance existing desktop applications to improve functionality and user experience.
- Participate actively in all project phases, including requirement analysis, specification, coding, and testing.
- Collaborate closely with tax professionals to ensure that software solutions align with legal and operational requirements.
- Share knowledge within the team through training, coaching, and documentation to foster continuous improvement.
- Permanent employment contract with long-term career prospects in a future-oriented company.
- Competitive remuneration package, including 13.5 salaries, regular salary increases, holiday pay, and a Deutschland-Ticket.
- 30 days of vacation, plus additional days off for Carnival, Weiberfastnacht, Christmas, and New Year’s Eve.
- Flexible working hours with the possibility of working from home two days per week, supported by modern technical equipment and a flexible time account.
- Engaging work that combines IT and tax law, offering diverse and challenging projects.
- Comprehensive onboarding with a personal mentor and ongoing professional development opportunities.
- Friendly and familial work environment with flat hierarchies and active participation in shaping company policies.
- Regular company events, celebrations, and a quarterly Foodtruck for team lunches.
- Free parking facilities and bright, quiet office spaces designed to foster productivity and comfort.
STOTaX GmbH & Co. KG is committed to creating an inclusive and diverse workplace. We welcome applications from individuals of all backgrounds, regardless of age, gender, ethnicity, disability, or sexual orientation. Our hiring process is fair and unbiased, and we strive to provide equal opportunities for professional growth and development to all employees. We believe that diversity enhances our innovation and success, and we are dedicated to fostering an environment where everyone feels valued and respected.