Lead AWS Engineer

Sadler Recruitment; Cardiff; Remote; GBP 70,000 - 85,000; Full time

Job summary

A leading SaaS provider is seeking a Lead AWS Engineer to enhance its cloud architecture. This role involves hands-on AWS engineering, focusing on reliability, scalability, and security. You'll design AWS infrastructure, implement Infrastructure as Code, and mentor team members on best practices. Experience with AWS services and software engineering is essential. The position is remote-first with occasional visits to Cardiff.

Qualifications

• Strong hands-on experience with AWS services.
• Background in software engineering with any modern programming language.
• Experience with DevOps and automation.

Responsibilities

• Design and build AWS cloud infrastructure.
• Re-architect AWS platform for performance and cost efficiency.
• Implement Infrastructure as Code using Terraform or CloudFormation.
• Contribute to application delivery using CI/CD.

Skills

AWS services (EC2, Lambda, API Gateway)

Software engineering (Node.js, Java, C#, Python)

DevOps tools and CI/CD pipelines

SQL and NoSQL databases

Serverless computing

Architectural decision documentation

Job description

Role : Lead AWS Engineer / Cloud Architect

Location : Remote-first (Cardiff twice a month)

Salary : Up to £85,000 (flexible)

Overview

A SaaS product company is hiring a Lead AWS Engineer to take ownership of its cloud architecture and help improve the reliability, scalability and security of its platform. The role is hands‑on with a strong focus on AWS engineering, cloud architecture, DevOps, automation and infrastructure‑as‑code.

Key Responsibilities

• Design, build and maintain AWS cloud infrastructure, covering VPCs, networking, IAM, security and monitoring
• Re‑architect parts of the AWS platform to improve performance, scalability and cost efficiency
• Implement Infrastructure as Code using Terraform or CloudFormation
• Work with serverless technologies and cloud‑native components across the AWS ecosystem
• Contribute to application delivery using CI / CD pipelines and modern DevOps practices
• Develop distributed systems, APIs and data workflows in a cloud environment
• Run technical evaluations, proofs of concept and architectural reviews
• Support and guide engineers on AWS best practice and cloud standards

Required Skills and Experience

• Strong hands‑on experience with AWS services including EC2, Lambda, API Gateway, RDS, DynamoDB, S3, CloudFront, CloudWatch and IAM
• Background in software engineering with any modern programming language (Node.js, Java, C#, Python or similar)
• Experience with DevOps tools, CI / CD pipelines and automation
• Knowledge of SQL databases, NoSQL data stores and data pipelines
• Understanding of serverless computing, distributed systems and cloud‑native patterns
• Ability to document and communicate architectural decisions clearly
• AWS certifications are an advantage

Preferred Backgrounds

Candidates may come from roles such as:

• AWS Solutions Architect
• Senior Software Engineer
• DevOps Engineer
• Platform Engineer
• Technical Lead within a cloud or SaaS environment

Working Environment

• Remote‑first with occasional visits to the Cardiff office
• Small, experienced engineering team
• Established SaaS platform with a clear technical roadmap

Hours : Monday-Friday, full-time

Environment : Remote‑first, collaborative, technically mature