Python Developer

Optomi, in partnership with a leading energy client in Charlotte, NC , is seeking an experienced Backend Developer to accelerate the development and deployment of applications in Emerging Digital organization. You will be responsible for designing and implementing cloud infrastructure using Terraform and developing serverless APIs in Python FastAPI that power form generation, data persistence, and enterprise-scale deployments. ** This opening is on a W-2 basis. There is no sponsorship availble now or in the future.** Experience of the Right Candidate 5+ years of Python development experience 3+ years with FastAPI, Django, or similar async Python frameworks Expertise in relational databases (PostgreSQL) and JSONB queries Experience with async/await patterns and error handling Strong understanding of REST API design principles Proficiency with SQLAlchemy ORM and database optimization 5+ years of AWS experience (Lambda, API Gateway, RDS, DynamoDB, VPC) 3+ years of Terraform/Infrastructure-as-Code expertise Strong understanding of AWS security, networking, and cost optimization Experience with API Gateway custom authorizers and VPC endpoint configuration Familiarity with Lambda cold-start optimization and Layer management Proven ability to design and document infrastructure architecture Responsibilities of the Right Candidate Infrastructure & Cloud Design and implement AWS infrastructure using Terraform, including: Lambda functions (compute layer) API Gateway (REST endpoints, custom authorizers) RDS PostgreSQL and DynamoDB (data layer) VPC, security groups, and private endpoints S3 buckets, CloudFront, and ALB configuration CloudWatch monitoring, logging, and alarms Establish Infrastructure-as-Code best practices (Terraform Cloud, state management, modules) Implement security hardening (least-privilege IAM, encryption, secret management) Optimize infrastructure for cost, performance, and reliability Support CI/CD pipeline for automated deployments Backend Development Develop robust, async FastAPI services for: Form generation and validation APIs Form submission and data persistence User and project management endpoints Integration with AWS services (Bedrock LLM, S3, DynamoDB, RDS) Design and optimize database schemas (PostgreSQL, JSONB queries) Implement comprehensive error handling, logging, and observability Write and maintain pytest test suites with 80%+ coverage Follow SOLID principles and clean code best practices Collaboration & Delivery Work closely with full-stack engineers and DevOps teams Participate in code reviews and architectural discussions Document infrastructure, APIs, and deployment procedures Troubleshoot production issues and optimize performance Deliver modular, reusable code aligned with project standards PREFERRED QUALIFICATIONS Experience with AWS Bedrock or other LLM platforms Familiarity with Azure AD/MSAL for authentication Knowledge of DynamoDB and document-based data models Experience with serverless architecture patterns Contributions to open-source projects Experience with Cypress or similar testing frameworks AWS Solutions Architect Associate certification or equivalent Exposure to Angular/TypeScript (not required, but helpful for API design) TECHNICAL STACK Language: Python 3.12+ Framework: FastAPI Infrastructure: Terraform, AWS (Lambda, API Gateway, RDS, DynamoDB, VPC, IAM) Database: PostgreSQL (RDS), DynamoDB Testing: pytest CI/CD: GitHub Actions Monitoring: CloudWatch, structured logging LLM Integration: AWS Bedrock (Claude models) Show more Show less