Senior Software Engineer -Cloud Infrastructure

nCino, Inc.; Johannesburg; On-site; ZAR 800 000 - 1 200 000; Full time

Job summary

A leading technology company in Johannesburg is seeking an experienced professional to manage AWS infrastructure, design software systems, and lead technical teams. The role requires strong problem-solving skills and a Bachelor's Degree in Computer Science, with proven experience in cloud-based solutions. You will collaborate with development teams and mentor junior engineers to ensure infrastructure quality and reliability.

Qualifications

• 5+ years of experience in software development and AWS infrastructure management.
• Proficiency in at least one major programming language.
• Strong understanding of cloud security best practices.

Responsibilities

• Design, build, and maintain AWS infrastructure using Infrastructure as Code tools.
• Provide architectural guidance and technical leadership on infrastructure design.
• Mentor team members on AWS best practices and cloud-native design patterns.

Skills

AWS infrastructure management

Problem-solving

Communication skills

Education

Bachelor’s Degree in Computer Science

Tools

AWS CDK

CloudWatch

Datadog

Job description

Overview

nCino offers exciting career opportunities for individuals who want to join the worldwide leader in cloud banking.

Leads planning, designing, development and testing of simple software systems or applications for software enhancements and new products including cloud-based or internet-related tools. Guides team to support clients' project objectives. Troubleshoots client issues as they arise.

Responsibilities

• Design, build, and maintain AWS infrastructure using Infrastructure as Code tools (AWS CDK, or similar), ensuring consistency, repeatability, and version control.
• Own and operate core AWS services including compute (ECS, Lambda), databases (RDS, DynamoDB), container orchestration (EKS / Kubernetes), and serverless technologies.
• Collaborate directly with application development teams to understand their infrastructure needs and enable them with scalable, reliable platform capabilities.
• Provide architectural guidance and technical leadership on infrastructure design decisions, considering scalability, reliability, security, and cost-effectiveness.
• Implement and maintain security best practices across AWS infrastructure, including IAM policies, network security, encryption, and access controls.
• Build and optimize CI / CD pipelines and deployment automation to enable efficient and safe software delivery.
• Monitor, analyze, and optimize cloud costs, identifying opportunities for cost reduction while maintaining performance and reliability.
• Participate in on‑call rotation and lead incident response efforts for production infrastructure issues, including root cause analysis and preventive measures.
• Lead proof‑of‑concepts to validate new AWS services, architectural approaches, or infrastructure patterns before broader adoption.
• Mentor team members on AWS best practices, infrastructure as code techniques, and cloud‑native design patterns.
• Write clean, maintainable code and conduct thorough code reviews to ensure adherence to coding standards and best practices.
• Develop and maintain automated testing strategies for infrastructure code to ensure reliability and prevent regressions.
• Proactively identify and address technical debt, focusing on improving infrastructure reliability, maintainability, and developer experience.
• Stay current with AWS service updates and cloud infrastructure trends, evaluating and introducing relevant technologies that benefit the platform.
• Document infrastructure architecture, runbooks, and operational procedures to ensure knowledge sharing and team effectiveness.
• Facilitate effective communication and collaboration within the platform engineering team and across cross‑functional teams.
• Support strategic planning around infrastructure roadmap priorities in alignment with business objectives and application team needs.

Requirements

• Bachelor’s Degree in Computer Science or a related field with 5+ years of experience / proficiency or a combination of education and experience
• Proficiency in at least one major programming language
• Demonstrated commitment to quality and continuous improvement
• Strong problem‑solving skills and the ability to work independently as well as in teams.
• Excellent communication skills with the ability to explain technical concepts to non‑technical stakeholders.

Desired

• Strong familiarity with AWS RDS database services and database engineering principles, including performance tuning, backup / recovery strategies, and high availability configurations
• Experience mentoring junior engineers and collaborating with cross‑functional teams
• Background working in platform engineering or internal developer platform teams
• Proven track record of designing and implementing highly available, fault‑tolerant infrastructure at scale
• Experience with observability and monitoring tools (CloudWatch, Datadog, etc.)