Senior Software Engineer (AI Platform, JS Node.js, Python)

We invite a Senior Software Engineer I to join our team and help develop new components within a large-scale fintech data platform in the private markets domain. In this role, you'll contribute to the development of blockchain-integrated platform components while working across a complex, distributed system alongside experienced engineers.

🟩 What's in it for you:

• Work on a new component within an established fintech platform with 20+ internal services and 15+ external integrations
• Build production software integrating modern AI technologies and blockchain systems
• Own end-to-end development of complex backend features while collaborating with senior engineers and architects

• Gain exposure to large-scale distributed systems, event-driven architectures, and cutting-edge AI tooling

   

✅ Is that you?

• 5+ years of backend software development experience, with Python as the primary language
• Strong software engineering background in Node.js with TypeScript, with the ability and motivation to work deeply in Python services
• Experience building production AI/LLM applications, including agent-based workflows and orchestration patterns
• Good understanding of AI frameworks and practical trade-offs (experience with LangGraph is a plus)
• Experience developing and maintaining microservices with multiple internal and external integrations
• Strong experience with Kubernetes, Docker, and containerized deployments
• Experience with Infrastructure as Code (Terraform or equivalent)
• Experience with event-driven architectures
• Strong experience with PostgreSQL and practical knowledge of Redis, MongoDB, and Weaviate
• Solid understanding of software architecture and distributed systems
• Strong commitment to clean, maintainable code, automated testing, and engineering best practices
• Experience producing technical documentation (C4, UML, or similar)
• Experience owning features from design through production, collaborating with cross-functional teams
• Hands-on experience with AI-assisted development tools (such as Cursor and Claude Code)
• Strong communication, collaboration, analytical thinking, and problem-solving skills

• Comfortable working in fast-paced environments with evolving requirements

   

⭐ Nice to have:

• Experience with LangChain, MCP tooling, and agent-based integration architectures
• Familiarity with Retrieval-Augmented Generation (RAG) and vector databases
• Experience building AI agents for automation, validation, or data enrichment
• Experience with AWS and/or Azure
• Exposure to cloud-agnostic or private cloud architectures
• Background in fintech, data platforms, or private markets
• Basic understanding of blockchain concepts (L1/L2) and integration through APIs or abstraction layers