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Software Engineer

Circonomit revolutionizes how organizations perceive and manage resources by building strategic twins to eliminate adverse outcomes from hidden interdependencies.
Cologne, Germany
Backend
Senior Software Engineer
In-Person
1 - 10 Employees
5+ years of experience
Enterprise SaaS · AI

Job Description

Circonomit is an innovative company focused on revolutionizing resource management through strategic organizational twins. They're seeking a Senior Software Engineer to work directly with their CTO in a full-stack capacity. This role offers a unique opportunity to shape the technical direction of a cutting-edge platform that makes system-level interdependencies usable and scalable.

The position combines full-stack development with AI integration, requiring expertise in TypeScript, SQL, graph databases, and modern AI technologies. You'll be working in a fast-paced, early-stage environment where you'll have significant ownership over technical decisions and architecture. The role involves building intuitive and powerful technology that helps organizations operate more efficiently and sustainably.

As a key technical contributor, you'll be responsible for designing and developing core components, implementing software architecture, modeling complex relationships through graphs and ontologies, and ensuring high-quality, maintainable code. The position requires strong technical skills, including experience with AI and language models, as well as the ability to work closely with the founding team to translate strategic vision into technical reality.

The company offers both competitive compensation and equity, emphasizing their belief in having everyone maintain "skin in the game." They're looking for someone who can push the boundaries of technology while maintaining high standards for code quality and system architecture. The role requires C1-level proficiency in both English and German, and candidates must be willing to work from their Cologne, Germany location.

This is an excellent opportunity for a senior engineer who wants to make a significant impact in a growing company, working at the intersection of AI, data modeling, and enterprise software. The position offers the chance to work directly with leadership while having substantial autonomy in technical decision-making.

Last updated 2 days ago

Responsibilities For Software Engineer

  • Design and develop core components alongside the CTO of the modelling toolbox and its computation engine in the full stack
  • Own a proactive role in drafting and implementing software architecture, computational logic, and scalable infrastructure
  • Model graphs and ontologies to capture complex relationships
  • Write clean, maintainable, and efficient code
  • Prototype fast and smart, testing, learning, and delivering between AI and UX
  • Participate in code reviews and ensure adherence to best practices
  • Troubleshoot and debug system issues
  • Collaborate with the founding team

Requirements For Software Engineer

TypeScript
  • 5+ years of experience in software development
  • Strong proficiency in TypeScript and SQL
  • Experience with Solid.js and LangChain
  • Experience with graph databases and ontology modeling
  • Experience with cloud-based technologies and architecture
  • Experience with AI, language models, and prompt engineering
  • Advanced understanding of data structures and algorithms
  • Bachelor's degree in Computer Science or related field
  • English language proficiency at C1 level or higher
  • German language proficiency at C1 level or higher
  • Must live in or relocate to Cologne, Germany

Benefits For Software Engineer

Equity
  • Competitive salary
  • Equity package
  • Decision-making authority
  • Sports benefits
  • Early-stage startup environment

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