alan leshan
@alanleshan
Senior DevOps engineer delivering production-grade AWS/Kubernetes platforms with SRE-grade reliability and cost savings.
What I'm looking for
I’m a results-driven DevOps Engineer and AIOps & SRE Specialist architecting production-grade AWS/Kubernetes infrastructure for 5+ enterprise platforms. I focus on “operating at the layer most engineers stop short of,” combining durable workflow execution, GitOps delivery, and security-first design.
I’ve reduced deployment cycles by 85% (3 days to 6 hours) and cut AWS spend 38% ($6.5K+/month) through right-sizing, spot strategy, and cost anomaly detection. With Prometheus/Grafana observability and runbook automation, I’ve driven an 85% MTTR improvement (65 min to 10 min) and maintained 99.92% uptime across multi-AZ architectures.
I bring deep distributed-systems and SRE experience—24/7 on-call P1/P2 incident management, blameless postmortems reducing incident frequency by 67% QoQ, and automation that saves 25+ hours weekly. I also build AI-assisted remediation workflows (Temporal + Claude API + pgvector) and enforce reliability using SLI/SLO, DORA metrics, and chaos engineering.
Experience
Work history, roles, and key accomplishments
DevOps Engineer
Annance Kenya Limited
Aug 2025 - Present (10 months)
Architected multi-AZ AWS/EKS and Kubernetes infrastructure for 5+ enterprise clients, achieving 99.92% uptime and reducing manual intervention by 88% with ArgoCD GitOps across 8+ environments. Cut deployment cycles 85% (3 days to 6 hours), reduced AWS spend 38% ($6.5K+/month), improved MTTR 85% (65 min to 10 min), and handled 24/7 P1/P2 incidents with automated 80% of ops toil.
Backend Software Engineer
Flex Trade Finance
Feb 2025 - Jul 2025 (5 months)
Built RESTful APIs and microservices using Python with Flask/Django, implementing JWT authentication, rate limiting, and Redis caching. Improved production bug rates 45% with pytest-based CI/CD and supported PostgreSQL/MongoDB schema design plus AWS infrastructure contributions (EC2, S3, Lambda, IAM).
Education
Degrees, certifications, and relevant coursework
Moringa School
Full-Stack Software Engineering Certification, Full-Stack Software Engineering
2024 -
Completed a Full-Stack Software Engineering Certification covering React, JavaScript, Python, Node.js, SQL/NoSQL, RESTful API design, agile methodologies, TDD, and scalable architecture.
Moringa School
DevOps Engineering Certification, DevOps Engineering
2024 -
Completed a DevOps Engineering Certification covering AWS infrastructure, Kubernetes, CI/CD pipelines, Terraform IaC, monitoring & observability, SRE principles, and incident management.
Africa International University
Bachelor of Science, Information Technology
Earned a Bachelor of Science in Information Technology with coursework in data structures and algorithms, database systems, software engineering, network security, cloud computing, and system design.
Tech stack
Software and tools used professionally
D3.js
GitHub
Kubernetes
Jenkins
GitHub Actions
Debezium
DB
PostgreSQL
MongoDB
Gmail
Node.js
Django
Neo4j
Redis
Terraform
JavaScript
Loki
Kafka
FastAPI
Grafana
Prometheus
OpenTelemetry
Linux
GraphQL
Ansible
Netlify
pytest
P2
Root Cause
s3-lambda
SQL
Temporal
Nx
Trivy
eBPF
Chaos Mesh
Anthropic Claude API
Tekton
ArgoCD
Semgrep
Burn
Bash
pgvector
Radius
Keep
Durable
Blameless
Availability
Location
Authorized to work in
Website
leshan10.netlify.appPortfolio
leshan10.netlify.appJob categories
Skills
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