Backend Engineer

Location:
Full Onsite. Berlin Mitte, Germany.

About Company

A next-generation supply chain platform, the company is redefining how one of the world's largest industries sources, distributes, and finances materials. Engineered to unlock the full potential of global trade, it harnesses agentic AI and workflow automation to provide seamless, high-efficiency access to premium materials at scale.

Since its commercial rollout, the platform has fueled exponential growth, optimizing procurement for thousands of businesses while setting new benchmarks for speed, transparency, and efficiency. Its competitive edge lies in full digitization and AI-driven supply chain management automation, eliminating inefficiencies and creating a direct, intelligent bridge between suppliers and buyers.

At its core is a proprietary AI-powered operating system that autonomously manages sourcing, sales, fulfillment, and fintech solutions within a unified order-to-pay infrastructure. By embedding financial services and logistics directly into its platform, it self-optimizes trade flows, reduces reliance on intermediaries, and accelerates transactions with minimal human intervention.

With a team of 75+ FTEs across Europe (Berlin HQ), China, and India, the company is rapidly scaling toward profitability, driving triple-digit million GMV, and setting new industry standards in autonomous, AI-powered supply chain orchestration.

The Tech team will allow you to work alongside a group of highly ambitious and knowledgeable Engineers, while being faced with complex problems and being exposed to commercial.

The Tech Stack
: Python, LangGraph, LLM APIs (OpenAI, Anthropic, Gemini), AWS, GitHub Actions,

, Java 21 (Spring Boot 3), Postgres, Kinesis, Terraform, Typescript, NextJS, React.

What you will do

• Design, develop, test, deploy, and maintain backend services that integrate AI/ML capabilities into our products.
• Build clean, maintainable, and reusable code with a focus on scalability and performance.
• Develop and optimize APIs that power AI-driven features.
• Collaborate with frontend engineers to connect user-facing experiences with AI-enabled backend logic.
• Implement and improve distributed systems and data pipelines.
• Work with LLM APIs (OpenAI, etc.) to build intelligent workflows and automation.
• Participate in code reviews, knowledge-sharing sessions, and architecture discussions.
• Stay current with emerging AI technologies and backend best practices.

Who you are

• Experience Level:
  3–5 years as a backend or full-stack engineer, with exposure to AI/ML integrations.
• Solid programming skills in Java (Spring Boot) and familiarity with Python for data processing or AI integration.
• Experience with relational databases (PostgreSQL or BigQuery) and writing efficient queries.
• Comfortable working with cloud infrastructure (AWS preferred) and CI/CD tooling.
• Understanding of distributed systems, event-driven architecture, and microservices.
• Interest or experience in building AI-enabled products (e.g., working with OpenAI API, fine-tuning models, or prompt engineering).
• Strong communicator who can explain technical ideas to both technical and non-technical stakeholders.
• Proactive, collaborative, and eager to contribute ideas and improvements.

Why This Role

• A role to fulfill with entrepreneurial freedom and a pre-validated business model to be pushed to the next level
• An experienced founding team (three companies, 2 exits)
• A future-proof job with an attractive salary in a successful and value-oriented company
• Collaboration with top-tier investors and angels (incl. various unicorn founders) as well as leading market experts
• A challenging yet rewarding work environment, and the opportunity to make a significant impact within a rapidly growing company
• Beautiful office space in the center of Berlin, monthly all-hands, team events, and team lunches

Join one of the fastest-growing B2B companies in Europe in an industry that is starving for innovative solutions. Work with an international intercultural team led by serial entrepreneurs and seasoned executives, advised by some of the brightest minds in the industry.

We are looking forward to hearing from you