# Senior Full Stack Software Engineer (React & Python) at Procter & Gamble

Procter & Gamble is hiring a Senior Full Stack Software Engineer (React & Python) in Bucharest, Romania. Level rates it Works on AI ●●●○; you can [apply on Procter & Gamble](https://jobsbylevel.com/go/9615fefe-398b-41b7-9d45-b7f1e28de08a?utm_medium=ai-agent).

AI Level 3, AI centrality 65 out of 100. BUCHAREST OFFICE.

## Details

- Company: [Procter & Gamble](https://jobsbylevel.com/companies/procter-gamble)
- AI level: AI Level 3 (score 65 out of 100)
- Location: BUCHAREST OFFICE
- Posted: November 6, 2026
- Apply: https://jobsbylevel.com/go/9615fefe-398b-41b7-9d45-b7f1e28de08a?utm_medium=ai-agent
- Free CV review for this job: https://jobsbylevel.com/cv-review?job=senior-full-stack-software-engineer-react-python-at-procter-gamble-af41bc

## Prepare for this job

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## Description

Job Location BUCHAREST OFFICE Job Description The Senior Full Stack Software Engineer is a technical leader who architects, builds, and operates cloud-based web applications, APIs, and services on GCP that power our Key Opinion Leader (KOL) / influencer marketing platform across the end-to-end campaign lifecycle. Beyond shipping features, this role sets technical direction, defines reusable patterns, raises the engineering bar through mentorship and code review, and partners with architects and product leadership to shape the platform roadmap. The role supports the Social Digital Products space and acts as a go-to technical authority across the full stack. Key Responsibilities - Lead the design and delivery of complex, full-stack capabilities end-to-end — from the Next.js UI through FastAPI microservices to Cloud Spanner / BigQuery data stores — owning architecture, trade-offs, and outcomes. - Set technical direction for the Next.js (App Router) front-end (TypeScript, React 18+, Tailwind CSS), championing the Backend-for-Frontend (BFF) pattern and a clean separation between server and client components; establish front-end standards, component libraries, and performance budgets. - Architect and operate Python 3.11 / FastAPI microservices using the service–repository pattern, Pydantic v2 schemas, SQLAlchemy 2.0+, dependency injection, and async patterns, exposing well-designed REST and GraphQL APIs. - Drive the strategy for integrating GenAI / LLM capabilities into the platform — using Vertex AI (Gemini), OpenAI / Anthropic, and LangChain / LangGraph via P&G's governed GenAI gateway — including prompt design, evaluation, guardrails, and cost/latency optimization. - Design, build, and operate GCP services (Cloud Run, Cloud Workflows, Cloud Build, Pub/Sub, Secret Manager, Cloud Logging) and lead the platform's evolution toward reusable, self-serve, well-governed patterns. - Own data integration with BigQuery and Cloud Spanner for transactional and analytical workloads — applying parameterized queries, partitioning, clustering, and cost-aware design — and support embedded Looker / LookML reporting. - Lead the design and hardening of integrations with social platforms, third-party influencer marketplaces, web-scraping / content-extraction pipelines, and internal P&G systems, ensuring resilience, observability, and maintainability. - Design and extend Terraform modules for GCP project and landing-zone resources, advancing self-serve provisioning, policy guardrails, and infrastructure-as-code best practices. - Embed quality and security into CI/CD and hold the team to it: unit and integration tests (pytest, jest), E2E tests (Playwright), SonarQube, Snyk, and gitleaks; define testing strategy and coverage expectations. - Mentor and grow mid-level and junior engineers through pairing, design guidance, and thorough code reviews; foster a culture of engineering excellence and knowledge sharing. - Partner closely with product managers, business analysts, architects, and QA to shape requirements, translate architecture blueprints into delivery plans, and ensure technical solutions are fit for use and aligned with the long-term vision. - Proactively identify, design, and lead performance, reliability, and cost-reduction initiatives, and uphold coding standards and best practices so services and components stay efficient, secure, scalable, and reusable. Job Qualifications - Bachelor's degree in Computer Science or a related field (or equivalent practical experience). - Extensive experience in full-stack software engineering and web application development, including a proven track record of leading the design and delivery of production systems end-to-end. - Deep expertise with modern web architectures and microservice design patterns, and the ability to make and justify architecture-level decisions. - Expert, hands-on proficiency with TypeScript, React 18+, and Next.js App Router (server/client components, route handlers, BFF pattern). -

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Level. https://jobsbylevel.com/jobs/senior-full-stack-software-engineer-react-python-at-procter-gamble-af41bc.

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