Backend Developer

About us At kiresult, we’re reshaping the procurement analytics landscape with our advanced SaaS solution, helping companies to unlock the power of data for smarter decision-making. Our platform transforms procurement data into valuable insights, providing companies with strategic advantages and cost-saving opportunities. Who We're Looking For You're a backend engineer passionate about building robust, scalable systems that power data-driven applications. Python micro-services, Docker containers, MongoDB, and CI/CD pipelines are your daily toolkit. Here, your contributions matter and can influence enterprise customers directly —and if you want to grow into a full-stack role, you’ll have the chance to do so. Tasks Role Overview As a Backend Developer at kiresult, you'll be central to our development team—building and maintaining the services that power our procurement analytics platform. You'll own backend feature delivery end-to-end, from database schema design to REST API endpoints and background job orchestration. Key Responsibilities 1. Feature Development Build new API endpoints and background jobs using Python and FastAPI Design and implement scalable data processing jobs (Celery, asyncio) Develop features that power decisions on billions in procurement spend 2. Code Quality & Testing Drive test-driven development with pytest and maintain healthy test coverage Conduct peer code reviews and uphold internal coding standards Write unit and integration tests that ensure service reliability 3. Performance & Reliability Profile services, optimize MongoDB queries, and implement caching strategies Introduce async patterns and fine-tune database aggregation pipelines Implement robust logging, monitoring, and alerting to ensure system health, uptime, and quick incident response 4. DevOps & Containerization Define, build, and run Docker images and containers for development, testing, and production Contribute to CI/CD pipelines (GitHub Actions, GitLab CI/CD) Support infrastructure-as-code and container orchestration basics 5. Collaboration & Leadership Engage actively in sprint planning, architecture sessions, and demos Mentor junior engineers and working students; share knowledge through pair programming and internal talks. Partner with frontend engineers and cross-functional teams to deliver complete features Requirements Must-Haves At least 1+ years professional experience in backend or full-stack engineering Strong proficiency in Python 3.x with production experience in at least three of: 1. FastAPI / Flask 2. Pydantic 3. Celery or other async task queue 4. asyncio 5. pytest Practical experience with MongoDB schema design, indexing, and aggregation pipelines Solid understanding of Docker (Dockerfile authoring, image management, container orchestration basics) Strong problem-solving skills and appetite for troubleshooting complex issues Proven track record writing unit and integration tests and operating services in production Excellent English communication skills (German a plus) Nice-to-Haves Experience with Kubernetes or similar orchestration platforms Comfortable with Git-based workflows and familiarity with CI/CD tools (GitHub Actions, GitLab CI/CD) Exposure to cloud services (AWS, GCP, Azure, OTC) Basic frontend knowledge (React, Vue.js, TypeScript) to better collaborate across teams Ambition to become a Full-Stack developer Experience mentoring junior engineers or working students Benefits Why Join Us? Real Impact – Your code powers decisions on billions in procurement spend. Ownership & Growth – Small, senior team where every engineer shape architecture and product direction. Learning Culture – Personal development budget, conference tickets, and mentorship‑pairing. Flexible Work – Remote‑first processes and core hours. Ready to push the boundaries of procurement analytics? Apply with your CV, GitHub/portfolio links, and a short note on a project you’re proud of. We review every application personally and aim to reply within a week. Join kiresult and build the technology that redefines how enterprises see their data We use AI-supported tools for the initial review of documents in order to respond more quickly. The final decision is always made by a human being. If you have any questions or do not wish to receive AI support, please let us know.