2 months ago
Helsinki, FinlandSenior
Responsibilities
- Design and implement scalable, maintainable end-to-end LLM-enabled applications spanning backend architecture and user-facing components.
- Integrate commercial and open-source LLMs into production applications and workflows using APIs or fine-tuning.
- Build RAG pipelines involving embeddings, vector databases, prompt engineering, and guardrails.
- Design evaluation pipelines to benchmark model performance and safety.
- Collaborate with cross-functional, client technology, and business teams to develop AI use cases and select appropriate technologies.
- Contribute to AI-enabled software development processes, software architecture, test automation, debugging, and other software development activities.
- Provide expert technical guidance to clients and project teams.
Requirements
- Production experience with AI software development technologies, LLMs, backend and frontend development, operations, and consulting.
- Experience deploying AI applications in cloud environments using Azure, AWS, or GCP and Docker or Kubernetes.
- Several years may be needed to build the required competencies, although no hard years-of-experience limit is specified.
- Foundational DevOps knowledge, including continuous integration, automated deployment, and test automation.
- Knowledge of vector databases and databases such as PostgreSQL with pgvector, pgvectorscale, ChromaDB, or Pinecone.
- Understanding of transformer-based models and awareness of data privacy, GDPR, security, and ethical considerations for sensitive AI data.
- Comfort engaging with client stakeholders and fluency in spoken and written Finnish and English.
- Experience with Python or Node.js/TypeScript and frameworks such as LangChain, FastAPI, or LlamaIndex may be required for some projects; JVM-based language experience may also be relevant.
Benefits
- Collaborative, low-hierarchy work environment with autonomy over approaches, technologies, and methodologies.
- Sustainable work-life balance with benefits including a free moving day, Reaktor car share, sick child care services, and office space for private events.
- Internal training courses, community events, technical discussions, and access to extended academy-style studies such as Cloud Academy.
- Access to more than 300 hobby clubs, many supported by Reaktor.
- Role based in Helsinki and involving work across industries including healthcare, public sector, industrial, retail, defense and security, aerospace, and gaming and entertainment.
Categories
About Reaktor
Reaktor is a privately held global technology consultancy that designs and builds digital products, software systems, and data/AI solutions for enterprise clients. It provides end-to-end consulting, engineering, and digital transformation services on a project basis, with notable customers including adidas, HBO, KONE, Cathay Pacific, and Supercell. Founded in 2000 and headquartered in Helsinki, it operates offices across Europe, North America, and Asia.