OPTIMUSE stands at the forefront of the building industry's transformation. Our goal is not only to redefine a whole industry, but also to make a positive environmental impact. We are committed to leading the decarbonization of the building sector, aiming for a future where sustainable practices are the norm.The Opportunity:We're seeking an experienced Software Developer with strong expertise in a statically-typed programming language (e.g., C++, Java, C#, or similar) and solid proficiency in Python. This role involves taking ownership of our Core Application codebase, designed with a modern, scalable and layered application structure. Youll be responsible for ensuring that these components work seamlessly within a microservice infrastructure and developing additional features. You will be the interface between Mechanical Engineers/Building Scientists and the Development Team, translating product requirements and feature requests into scalable and maintainable software solutions.What will you do?Take ownership of the core application code base for the automated simulation of buildings and building portfolios. Your focus will be on ensuring system stability, optimizing performance, and implementing changing requirements into the existing project.Contribute to the development and enhancement of a DotNet Project for multiple different simulation enginesProcess Automation: Design and implement automation workflows to streamline the design and setup of HVAC systems within our software, reducing manual effort and increasing efficiency.Innovation and Research: Contribute to the design and development of new features and functionalities that expand the capabilities of our simulation platforms.Your Qualifications:Experience: A minimum of 3 years of professional experience in software development projects.High proficiency in Python is essential.Strong command of a statically-typed language such as C#, Java, or a similar language. Expertise in C# is highly desirable.Communication Skills: Excellent verbal and written communication skills in English are mandatory. You must be adept at conveying complex technical concepts to team members from diverse professional backgrounds.Database Knowledge: Proficiency with relational databases and the ability to write efficient queries using SQL (e.g., PostgreSQL).Version Control Proficiency: Experience using Git in a collaborative development environment.Problem-Solving: Strong analytical and problem-solving abilities with a keen eye for detail and a commitment to delivering high-quality code.Additional Skills That Are a Plus:German Language Skills: Conversational or fluent German is an advantage.DevOps: Experience with CI/CD pipelines and infrastructure as code (IaC) is beneficial.Pydantic Models: Familiarity with Pydantic or similar data validation frameworks.Why join us?Real Impact & MissionBe a Foundational Part: Join us at an exciting stage of growth (post-Seed funding) and leave your mark on the codebase of a deep-tech solution.Decarbonize the Future: Your code directly contributes to reducing the environmental footprint of the real estate and construction industry, the worlds largest source of CO2 emissions.. Work on meaningful challenges that have a positive environmental impact.Tech & InnovationCutting-Edge Stack: Solve complex technical problems using modern Cloud technologiesCloudAWS technologies, Python, and statically-typed languages in a microservice infrastructure.AI-Driven Solutions: Collaborate with building scientists and engineers to build the digital twin technologies of tomorrow.Flexibility & EnvironmentModern Headquarters: Work from our bright, modern office in Viennas 2nd district, designed to foster creativity and collaboration.Hybrid Flexibility: We believe in the power of in-person collaboration but offer home office days and flexible working hours to help you balance your life.Compensation & PerksCompetitive Salary: We offer a starting gross monthly salary of 3,843 (based on full-time employment) with a clear willingness to pay significantly more depending on your qualifications and experience.Daily Lunch Support: Receive 5 per day in lunch vouchers to keep you fueled and happy.