Senior Backend Engineer
First seen by Alion on Sep 30, 2026.
Job Summary :
We are looking for a Senior Backend Engineer with strong hands-on experience in Python, Advanced SQL, Cloud, and DevOps to design, develop, deploy, and support scalable backend services and cloud-native applications.
The ideal candidate should have strong backend engineering fundamentals, experience developing APIs and data-processing solutions, and the ability to design and deploy highly available, scalable, secure, and observable cloud-based systems.
Mandatory Skills :
- Python : strong hands-on experience in scripting and backend/service development
- Advanced SQL : complex queries, query optimization, performance tuning, and data modelling
- Backend Engineering : APIs, server-side development, data processing, performance, scalability, and security
- Cloud : hands-on experience with AWS / Azure / GCP
- DevOps : CI/CD automation, deployment pipelines, monitoring, and production operations
- Docker & Kubernetes : containerization and orchestration
- Infrastructure as Code (IaC) : Terraform or equivalent tools
- System Design - availability, scalability, observability, reliability, and secure deployment patterns
- REST APIs / Microservices
- Production Support & Operational Readiness
- Strong coding, debugging, and problem-solving skills
Key Responsibilities :
- Design, develop, and maintain scalable backend services and APIs using Python.
- Build efficient data-processing solutions using Python and SQL.
- Develop and optimize complex SQL queries for performance and scalability.
- Design cloud-native applications and deployments using AWS, Azure, or GCP.
- Implement and maintain CI/CD pipelines for automated build, testing, and deployment.
- Containerize applications using Docker and manage deployments using Kubernetes.
- Implement Infrastructure as Code using Terraform or equivalent tools.
- Monitor application performance, availability, reliability, and infrastructure health.
- Implement secure, scalable, and highly available production deployments.
- Troubleshoot production issues and perform root-cause analysis.
- Participate in architecture and system design discussions.
- Ensure backend systems follow best practices for security, scalability, maintainability, and observability.
- Collaborate with development, DevOps, cloud, and architecture teams.
Skills
Backend Architecture, Python, SQL, Server Side Component, AWS, REST API, System Design