Adesoji Adejoro
Senior Site Reliability & Platform Engineer
Senior SRE and Platform Engineer with 8+ years of experience across cloud infrastructure, DevOps, and IT operations. Proven track record delivering £32K+ annual AWS savings (26.6% reduction), raising Microsoft Secure Score from 33% to 61% supporting ISO 27001 certification, and maintaining 99.9% uptime on trading-critical systems. Founder and Director of Joro Services Ltd (est. April 2022), building SaaS products for regulated UK industries. Skilled at bridging reliability engineering with commercial and compliance requirements.
- Founded and direct a UK IT consultancy building SaaS products for regulated industries.
- Shipped Corcada (care-sector shift scheduling SaaS) to the Apple App Store with Stripe billing and multi-agency support.
- Released Evidentia, an open-source SRE incident memory CLI, to the engineering community.
- Managing all commercial, technical, and compliance responsibilities as a solo founder.
- Reduced annual AWS spend by £32K+ (26.6%) through right-sizing, Reserved Instances, and automated scheduling — maintaining full availability throughout.
- Drove Microsoft Secure Score from 33% to 61%, directly supporting ISO 27001 certification.
- Maintained 99.9% uptime on trading-critical systems; cut MTTR by 40% with Grafana and Prometheus observability dashboards.
- Reduced deployment lead times by 60% and manual toil by 70% via CI/CD with TeamCity and GitLab CI across 20+ microservices.
- Brought 50+ AWS resources under Terraform; reduced onboarding time from 3 days to 1 day.
- Managed 100+ monthly Service Desk tickets, cutting resolution time by 35% through improved triage and tooling.
- Administered Microsoft 365 (Entra, Intune, Defender, Exchange, SharePoint, Teams, Universal Print) for the full firm.
- Managed 5 Kubernetes clusters across EKS, AKS, and GKE for multiple client workloads.
- Delivered 10+ multi-cloud IaC environments using Terraform and Ansible across AWS, Azure, and GCP.
- Built and maintained CI/CD pipelines in GitHub Actions and TeamCity; containerised workloads with Docker and Helm.
- Tuned PostgreSQL databases and automated VPN and software rollouts with PowerShell and Python.
- Deployed up to 60 enterprise device builds per day for UK government and financial services clients.
- Configured and imaged laptops at scale using Intune, SCCM, and MDT.
- Automated build tasks with PowerShell, significantly cutting per-device setup time.
- Administered MediaWiki platform and company website; produced SQL reporting for management.
- Provided IT support across Windows and Linux systems.
Cloud
AWS (EC2, S3, RDS, IAM, VPC, EKS, ECS, Lambda, CloudWatch, CloudTrail), Azure, GCP
IaC & Automation
Terraform, Ansible, CloudFormation, PowerShell, Bash, Python, Go
Containers & Orchestration
Kubernetes (EKS, AKS, GKE), Docker, Helm, CNI Networking
CI/CD & Observability
TeamCity, Jenkins, GitHub Actions, GitLab CI, Prometheus, Grafana, CloudWatch
Enterprise IT
Microsoft 365 (Entra, Intune, Defender, Exchange, SharePoint, Teams), Active Directory, SCCM
Compliance & Governance
ISO 27001, GDPR, DR planning, SLO/SLA frameworks, business continuity