Lead Cloud & Platform Architect

About the role

Momnt is an expanding financial technology company specializing in embedded lending and point-of-need consumer financing based in Sandy Springs, GA. We are transforming how merchants provide financing to their customers with our embedded lending platform. Our platform delivers a seamless digital experience that makes financing simple, fast, and affordable, connecting high-quality lenders with merchants, primarily in the home improvement sector, to empower consumers to pay for the things they need.

Responsibilities

• Architect and write infrastructure-as-code for scalable, secure, and cost-efficient AWS solutions across compute, storage, networking, and security.
• Drive platform modernization (microservices, serverless, containers) using AWS CDK as the primary deployment framework.
• Manage multi-account strategy, landing zone design, IAM governance, and network architecture.
• Directly build, own, and maintain platform components, including CI/CD pipelines, shared services, deployment frameworks, and observability stacks.
• Own platform SLAs, uptime targets, performance baselines, root cause analysis/post-mortems, and overall operational reliability.
• Define, test, and maintain DR strategies, including failover design, RTO/RPO targets, and continuous DR testing cadences.
• Implement and enforce platform security (IAM, secrets management, encryption, SOC2 controls) and manage cloud spending/optimization (FinOps).
• Manage day-to-day AWS administration (VPCs, routing, backups, patching, CloudWatch/Datadog monitoring).

Requirements

• 5+ years of hands-on experience in cloud engineering, platform engineering, or cloud architecture.
• Strong hands-on mastery of AWS CDK (TypeScript, Python, or Java) to build and manage production infrastructure.
• Deep technical expertise in AWS core services, VPC design, IAM, security, and multi-account strategies.
• Practical experience working with ECS/EKS, AWS Lambda, EventBridge, and event-driven architectures.
• Proven track record building CI/CD pipelines, automation frameworks, and internal platform tooling.
• Demonstrated ability to directly own operational reliability, incident response, DR, and SLAs in a production environment.
• Experience with Terraform is strongly preferred for potential future integration.

Qualifications

• AWS Certified Solutions Architect – Professional.
• Experience establishing internal developer platforms or "golden path" deployment patterns.
• Direct experience with SOC2 compliance frameworks and automated security tooling.
• Strong background in FinOps, budget enforcement, and cloud cost management.

Location: Hybrid | Sandy Springs, GA OR Chicago, IL. Must be on-site in our Sandy Springs or Chicago office a minimum of 2 days per week for direct team collaboration. Relocation assistance is not available.