SaaS Platform; Full-Stack Engineer; Rust​/React​/SRE​/Platform DevOps Eng

Duo Key is a fast-growing international cybersecurity company building next-generation encryption and key management solutions for organizations operating across clouds, countries, and industries.

For over five years, we have been helping companies protect their most sensitive data while remaining agile and compliant in complex, highly regulated environments. Our approach is pragmatic, security-driven, and designed for scale.

As part of the expansion of our engineering hub in Mauritius, we are hiring multiple experienced software engineers to strengthen our SaaS platform team.

This is a multi-role opening. Depending on your background, experience, and interests, you may join us in one of the following roles:

• Full-Stack Engineer (.Rust / React)
• SaaS Platform / Dev Ops Engineer
• Site Reliability Engineer (SRE)

Depending on the role, responsibilities may include:

• Design and implement full-stack features using Rust on the backend and React on the frontend
• Build secure APIs and corresponding UI components and workflows
• Collaborate with product and design to translate requirements into technical specifications
• Ensure quality through automated tests (backend + frontend)
• Contribute to performance improvements both server-side and client-side
• Work closely with Dev Ops/SRE on deployment, logging and monitoring concerns
• Participate in discussions on architecture, patterns and best practices

• Exposure to Rust or performance-critical components
• Experience in security- or privacy-focused products

• End-to-end builder mindset
• Pragmatic and quality-driven

• Design, build and maintain CI/CD pipelines
• Automate infrastructure using IaC tools (Terraform preferred)
• Deploy and operate Kubernetes-based environments
• Support secure multi-region, multi-cloud deployments
• Collaborate with backend/SRE engineers to improve reliability
• Implement monitoring, logging, and alerting solutions
• Contribute to platform security hardening and compliance controls

• Security/compliance background (CIS, SOC2)
• Git Ops (ArgoCD, Flux)
• Secret management / KMS experience

• Automation-first mindset
• Structured and reliability-focused

• Ensure reliability, scalability, and performance of production systems
• Design SLOs/SLIs and error-budget policies
• Implement observability (metrics, tracing, logging)
• Build automation for incident detection and remediation
• Conduct root-cause analysis and post-mortems
• Work closely with Dev Ops and backend teams on resilience engineering
• Participate in on-call rotations (fair & compensated)

• Chaos engineering / fault injection
• Experience in security-sensitive environments

• Calm under pressure
• Analytical systems thinker

• 3+ years of relevant experience (Full-Stack, Dev Ops/Platform, or SRE)
• Strong Linux fundamentals and production mindset
• Experience working with Git and CI/CD pipelines
• Solid understanding of cloud environments (AWS and/or GCP)
• Comfortable working in cross-functional teams
• Ownership mindset and strong sense of responsibility

• Strong experience with ASP.NET Core / .NET (C#)
• Solid frontend experience with Angular (or React) and Type Script
• Good understanding of REST API design and integration
• Experience with relational databases
• Experience writing automated tests

• Exposure to Rust or performance-critical components
• Experience in security- or privacy-focused products

• End-to-end builder mindset
• Pragmatic and quality-driven

• Strong hands-on experience with Kubernetes and Docker
• Experience with Terraform or similar IaC tools
• Experience designing and maintaining CI/CD pipelines
• Experience operating cloud infrastructure (AWS/GCP)

• Security/compliance background (CIS, SOC2)
• Git Ops (ArgoCD, Flux)
• Secret management / KMS experience

• Automation-first mindset
• Structured and reliability-focused

• Strong experience operating Kubernetes in production
• Hands-on experience with observability stacks (Prometheus, Grafana, ELK or similar)
• Experience with incident management and post-mortems
• Experience designing SLOs/SLIs and reliability automation

• Chaos engineering / fault injection
• Experience in security-sensitive environments

• Calm under pressure
• Analytical…