AWS Developer
Job Description
About the Role
We are hiring an AWS Developer to architect, build, and maintain cloud infrastructure using EC2, S3, Lambda. This role is critical to our client's reliability and velocity — you'll own infrastructure-as-code, CI/CD pipelines, monitoring, and incident response. The ideal candidate has production experience with Terraform and CloudFormation at scale (1000+ requests/second), understands cost optimization deeply, and can implement security best practices without slowing teams down. You'll work alongside development teams to enable fast, safe deployments while maintaining 99.9%+ uptime.
Key Responsibilities
- Own EC2 implementation and optimization — configuration, customization, and ongoing enhancement based on business needs
- Manage S3 workflows including setup, user training, and continuous improvement of processes
- Implement and maintain Lambda ensuring seamless integration with existing systems and workflows
- Architect and maintain AWS infrastructure using infrastructure-as-code principles
- Build and optimize CI/CD pipelines that enable multiple daily deployments with confidence
- Implement security controls — IAM policies, encryption, network segmentation, and compliance automation
- Monitor system health and respond to incidents with documented runbooks and escalation procedures
- Optimize AWS costs through right-sizing, reserved capacity, and automated scaling strategies
- Collaborate with development teams to containerize applications and improve deployment reliability
- Maintain disaster recovery plans with documented RPO/RTO targets and regular testing
Must-Have Qualifications
- Hands-on experience with EC2 — configuration, customization, and troubleshooting in production environments
- Proficiency with Terraform as part of the AWS development/operations workflow
- 3+ years of production AWS experience managing infrastructure for applications serving real traffic
- Strong Linux/Unix system administration skills
- Experience with infrastructure-as-code tools and container orchestration
- Understanding of networking fundamentals — DNS, load balancing, VPNs, and security groups
- On-call experience with documented incident response and post-mortem processes
Nice-to-Have Skills
- AWS Solutions Architect Associate/Professional certification or equivalent validated credential
- AWS Developer Associate certification or equivalent validated credential
- Experience with advanced AWS features: S3, Lambda, RDS
- Familiarity with the broader AWS ecosystem including CloudFormation and AWS CDK
- Cloud platform certifications (AWS Solutions Architect, GCP Professional, or Azure equivalent)
- Experience with service mesh, GitOps (ArgoCD/Flux), or platform engineering
Interview Tips
Technical Coding Exercise
Give a small, realistic AWS coding challenge that tests fundamentals — clean code, edge case handling, and test writing. Time-box to 45-60 minutes.
Architecture Whiteboard
Present a system design problem relevant to AWS. Evaluate their approach to scalability, data modeling, and trade-off discussions.
Code Review Simulation
Show an AWS pull request with both good patterns and subtle issues. Assess what they catch, how they communicate feedback, and what they prioritize.
Past Project Deep-Dive
Have them walk through their most challenging AWS project. Ask probing questions about architecture decisions, obstacles, and what they learned.
Typical Team Structure
Team Size
2-4 AWS engineers
Reports To
VP of Engineering, CTO, or Platform Engineering Manager
Collaborates With
Backend Development, Frontend Development, Security, QA
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