Bold Business - Senior Python Engineer - Backend & Data

• You should not apply if you cannot clearly demonstrate all of the following: • not apply • Strong English communication (written and spoken)You can clearly explain technical concepts to non-technical stakeholders and operate in a U.S.-based team environment. • Strong English communication (written and spoken) • You have built and maintained production Python APIs(not tutorials or small scripts — real systems in use) • You have built and maintained production Python APIs • You have owned data pipelines end-to-end(ingestion → transformation → reliability in production) • You have owned data pipelines end-to-end • You are strong in SQL and database design(schemas, performance, tradeoffs — not just basic queries) • You are strong in SQL and database design • You have worked with real, messy data(multiple sources, failures, edge cases — not clean datasets) • Python (4–6 years, production backend + data work) • FastAPI or similar frameworks • Strong SQL and database design • API integrations (REST, webhooks) • Testing and clean Git workflows • AI / Data Context (Expected Working Level) • LLM API integration (OpenAI, Anthropic, etc.) • Understanding of how RAG systems use data • Prompt structure and output handling • Exposure to vector databases (pgvector, Pinecone, etc.) • LangChain, LangGraph, CrewAI • Airflow, Prefect, or pipeline orchestration • AWS / GCP experience • Basic BI / analytics tools • What This Role Is • What This Role Is • A hands-on builder role • hands-on builder role • Ownership of backend + data layer • High accountability, low hand-holding • What This Role Is Not • Not a pure Data Engineer • Not an ML research role • Not a junior position • Final Note • Final Note • We will go deep into your past work. • If you can clearly explain what you built, why you built it that way, and what broke — you’ll do well here. • If not, this role will be a stretch. • Bold Business — AI-First. Delivery-First. • Bold Business is a US-based global business process outsourcing (BPO) firm with over 25 years of experience and $7B+ in client engagements. We help fast-growing companies scale through smart talent strategies, automation, and technology-driven solutions. • Bold Business recruiters always use a “@boldbusiness.com” email address and/or from our Applicant Tracking System, Greenhouse. Any variation of this email domain should be considered suspicious. Additionally, Bold Business recruiters and authorized representatives will never request sensitive information in email or via text. • Bold Business recruiters always use a “@ • boldbusiness.com • ” email address and/or from our Applicant Tracking System, Greenhouse. Any variation of this email domain should be considered suspicious. Additionally, Bold Business recruiters and authorized representatives will never request sensitive information in email or via text.