Senior Full Stack Engineer (No C2C)

Job Title: Senior Full Stack Engineer (No c2c)

Location: Fully Remote

Industry: Pharmaceutical

JOB DESCRIPTION: Theoris is seeking a highly skilled Senior Software Engineer to support a major internal software development initiative. This role focuses on backend engineering, cloud-native development, data-driven systems, and modern DevOps practices. The ideal candidate has deep Python expertise, strong experience building scalable applications on AWS, and familiarity with modern frontend and AI/ML technologies. This is an opportunity to join a high-impact engineering team building reliable, secure, and high‑performance systems.

RESPONSIBILITIES:

• Design, develop, and maintain Python-based backend services and REST APIs using FastAPI, Flask, or Django.
• Build and deploy applications across AWS services including Lambda, EC2, ECS/Fargate, and EKS.
• Implement event-driven and distributed architectures using SQS, SNS, EventBridge, and Kinesis.
• Design secure, scalable infrastructure using AWS networking, IAM, VPCs, subnets, load balancers, and CloudFront.
• Develop and optimize relational database schemas and queries, primarily with PostgreSQL.
• Create and maintain ETL pipelines and data workflows using Pandas, Glue, and Athena.
• Containerize applications with Docker, and manage deployments using Kubernetes or ECS.
• Build and maintain CI/CD pipelines using GitHub Actions or AWS CodePipeline/CodeBuild.
• Implement observability best practices using CloudWatch, Datadog, or OpenTelemetry.
• Collaborate with product, data, and platform teams to deliver high‑quality engineering solutions.
• (Optional) Integrate AI/LLM capabilities using OpenAI, Bedrock, Anthropic, and vector databases such as Pinecone or pgvector.

REQUIREMENTS:

• Strong proficiency in Python
• Experience with FastAPI (preferred), Flask, or Django
• Testing experience using pytest (unit, integration, mocking, coverage)
• Compute: Lambda, EC2, ECS (Fargate), EKS
• Storage: S3, EFS
• Databases: RDS (PostgreSQL/MySQL), DynamoDB, ElastiCache (Redis)
• Networking: VPC, subnets, NAT, ALB/NLB, Route 53, CloudFront
• Messaging: SQS, SNS, EventBridge, Kinesis
• Security: IAM, Secrets Manager, KMS, WAF
• IaC Tools: AWS CDK (Python), CloudFormation, SAM
• Monitoring: CloudWatch, X‑Ray, AWS Config
• Experience with TypeScript + React or Next.js
• State management using Redux, Zustand, or React Query
• REST or GraphQL API integration
• Strong SQL experience with PostgreSQL, including performance tuning and query optimization
• Experience with ETL workflows, Pandas, Glue, Athena
• Docker (multi-stage builds, docker‑compose)
• Deployment experience with Kubernetes or ECS
• CI/CD pipelines with GitHub Actions or AWS CodePipeline/CodeBuild
• Observability using CloudWatch, Datadog, or OpenTelemetry
• Strong Git workflow experience (trunk-based, PR reviews, branching strategies)
• Experience integrating LLM APIs: OpenAI, Anthropic, Bedrock
• Familiarity with vector search technologies: Pinecone, OpenSearch, pgvector

Best-In-Class-Benefits:We are in the people business; treating people right is our ONLY priority. Theoris Services consultants are full-time employees with full benefits, including:

• Robust Health Insurance
• 401(k) plan
• PTO
• Paid holidays

About Theoris: Our goal is to Fuel Your Career! As a Theoris team member, you join a culture based on people-centered values and an environment that fosters both personal and professional growth. We build long-term relationships with our clients and our consultants. With over 30 years of building strong relationships in the industry, we’re uniquely positioned to make the right connections. This knowledge is used to find the right job placement. Our recruiting teams are experts dedicated to the information technology and engineering staffing space and are highly respected by our client base.