Senior Python Developer

We’re looking for a Senior Python Developer (Platform SDK & Tooling) to build and evolve core SDKs and developer tooling for a cloud-native platform. This role focuses on designing clean, reliable, and well-typed Python interfaces for interacting with platform services, with a strong emphasis on async programming, developer experience, and observability. You’ll work closely with cloud infrastructure and AI-related systems, enabling other engineers to build on top of the platform efficiently. Project Overview: Our customer is a multinational corporation with more than a century of history and offices in over 180 countries. Their most ambitious goal at the time is to introduce a range of Reduced-Risk Products (RRPs). The target audience is more than 1 billion consumers around the globe. IT platform hosts 700+ applications. Intellia's mission is to help the client with the engineering of a comprehensive software ecosystem for a game-changing IoT product on the margin of innovative consumer experience and cutting-edge technology. Our teams are involved in the engineering of core platform components for best-in-class eCommerce, Digital Marketing and IoT solutions. As an Engineer, you will become a part of Core Architecture Team and be responsible for the architecture, implementation of best practices in our Digital Engineering Enterprise Platform. The Platform is a set of services and internet applications that accelerate the development and delivery of software applications by taking care of common SDLC challenges. The Platform provides access and consumption for engineering teams to a set of services, technologies, practices for their development and for operating their application, ensuring a set of compliance and best practices. Project is in production for 2+ years, being supported by multiple teams. Our technical domains are: - AWS cloud, partially Azure - SSO, Organizations, Service control policies, access models. - IAAC: terraform enterprise, terratest, chalice - Serverless: lambda, step functions, wide range of misc automations, fargate - System, Application, Network and security architectures - Orchecstration: k8s (eks) - SRE activities (logging, tracing, monitoring), OpsGenie, Splunk - Hashicorp Vault - Hybrid Networking Requirements: • Python 3.12+ (advanced async/await patterns) • Pydantic v2 schema design and validation • pytest / pytest-asyncio (unit and integration testing) • AWS SDK (boto3) — Secrets Manager, STS, S3 • OpenTelemetry instrumentation (ADOT) • uv package manager / pyproject.toml packaging Experience: • 5+ years Python backend development • AWS services production experience (Secrets Manager, S3, IAM) • Async Python programming patterns (asyncio, async/await) • Test-driven development and CI pipeline integration Will be a plus: • LangGraph or Strands Agents SDK (willing to learn on the job) • AWS Bedrock / AgentCore Runtime exposure • hypothesis / property-based testing Responsibilities: Design and develop Python SDKs and internal tooling for platform services Implement advanced async workflows using modern Python (3.12+) Build and maintain typed data models and validation layers using Pydantic v2 Integrate with AWS services (Secrets Manager, STS, S3) via boto3 Add and maintain OpenTelemetry instrumentation for SDKs and services Develop and maintain unit and integration tests (pytest, pytest-asyncio) Ensure clean packaging and dependency management (pyproject.toml, uv) Collaborate with platform teams to improve developer experience and API usability Contribute to CI/CD pipelines and testing strategy