Job
- Level
- Senior
- Job Field
- Back End
- Employment Type
- Full Time
- Contract Type
- Permanent employment
- Location
- Essen
- Working Model
- Hybrid, Onsite
Job Summary
In this role, you develop robust backend systems using C#, design and implement interfaces and REST APIs, while continuously improving system architectures for optimal operation and data flows.
Job Technologies
Your role in the team
- Technical responsibility for the further development of a complex backend platform based on C#.
- Design, implementation, and operation of numerous internal and external interfaces and APIs.
- Active design of the system and integration architecture with a focus on maintainability and performance.
- Responsibility for data flows, integrations, and overall technical context.
- Support and targeted further development of an integrated system with Angular frontend and Java backend.
- Ensuring sustainable code quality through Clean Code, reviews, and appropriate testing strategies.
- Participation in the development of stable operations, monitoring, and CI/CD concepts.
- Continuous improvement of technical processes and development standards.
- Collaboration at eye level in cross-functional teams to solve complex challenges.
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Our expectations of you
Qualifications
- Excellent knowledge of C#, .NET, and modern backend architectures.
- Proficient handling of relational databases such as MS SQL or PostgreSQL.
- A comprehensive understanding of systems, architectures, and technical contexts.
- Basic knowledge of Angular for maintaining an integrated frontend.
- Routine in handling Git, containerization, and established development workflows.
- High quality awareness, structured working approach, and willingness to take responsibility.
- Nice to have: Knowledge of Java for the further development of an integrated backend.
Experience
- Several years of experience in developing complex, productive backend systems.
- Experience in designing and implementing stable, clean REST APIs.
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What we offer
- Our services save CO2 and protect the environment - we work for a sustainable world of tomorrow.
- Look forward to an attractive salary, 30 days of vacation per year, and flexible working hours, including the possibility to work remotely up to 50% of the week.
- We are an internationally successful company with agile working methods and an open corporate culture.
- Our future-oriented course offers you long-term and excellent career opportunities.
- Stagnation is not an option for us, which is why we support you in every way in your development — a variety of learning opportunities await you.
- We are all pulling in the same direction.
- Whether it's a barbecue event, an international soccer cup, or just ice cream for everyone in the summer – we always come up with something new, stay tuned!
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Benefits
Work-Life-Integration
Topics that you deal with on the job
Job Locations
This is your employer
ista SE
ista SE makes buildings valuable and sustainable for residents and owners. We manage data and processes to make properties climate-friendly, secure, and comfortable. With our products and services, residents and owners can save energy and contribute to climate protection together.
Description
- Company Type
- Established Company
- Working Model
- Hybrid, Onsite
- Industry
- Industry, Production
Senior Software Engineer
- Location
- Essen
- Working Model
- Hybrid, Onsite
- Diversity
- Open for all genders
