Sample API Documentation
Payments API mini-portal: auth, endpoints, pagination, idempotency, errors, and examples.
ReadDocumentation that speeds adoption and reduces support load
Developer docs that ship with the product — and hold up in production.
I lead and deliver documentation for APIs, platforms, cloud infrastructure, and security workflows. My focus is accuracy, testability, and a user journey that gets teams from first success to advanced operations.
API
OpenAPI • REST • examples & errors
Docs
Docs-as-code • reviews • quality gates
Ops
Kubernetes • Linux • runbooks
Writing Samples
Five complete samples in different documentation styles: API reference, docs-as-code guide, troubleshooting runbook, security hardening baseline, and hardware documentation.
Docs-as-Code with MkDocs
How to structure docs, enforce quality checks, and publish via CI — with practical patterns.
ReadKubernetes Troubleshooting
CrashLoopBackOff explained: a safe diagnosis workflow, commands, root causes, and fixes.
ReadLinux Security Hardening Baseline
Practical hardening guidance: SSH, firewall, logging, patch hygiene, and verification.
ReadHardware Documentation Sample
Installation and verification guide for a server NIC in a data center environment.
ReadCase Studies
Representative outcomes and working style. I can provide role-specific details during interviews.
API docs that reduce integration friction
- Problem: Customers struggled with authentication, retries, and error handling.
- Approach: Standardized endpoint patterns; added examples for success and failure; clarified idempotency, pagination, and rate limits.
- Result: Faster time-to-first-success and fewer support escalations tied to integration mistakes.
Docs-as-code that ships on release day
- Problem: Docs slipped because reviews and publishing were manual and late.
- Approach: Introduced PR-based reviews, preview workflows, link/build checks, and release-aligned doc planning.
- Result: Faster review cycles, fewer late surprises, and consistently on-time publication.
Operational runbooks that stabilize production
- Problem: On-call outcomes varied because troubleshooting lived in tribal knowledge.
- Approach: Created runbooks with triage checklists, safe commands, decision points, and clear escalation inputs.
- Result: More consistent incident response and smoother handoffs between ops and engineering.
Security guidance that is implementable
- Problem: Security requirements were policy-heavy and hard to apply consistently.
- Approach: Converted requirements into a practical baseline with verification steps and exception handling.
- Result: More consistent hardening across hosts and easier audits because controls are explicit and testable.
What I Deliver
Deliverables I lead and produce for product, platform, and infrastructure teams.
API & Developer Documentation
- API reference: auth, endpoints, examples, errors, rate limits
- Developer onboarding and quickstarts
- Integration troubleshooting and FAQs
- Release notes and breaking-change communication
Platform, Cloud & Operations Docs
- Deployment guides (Kubernetes/Linux environments)
- Operational runbooks and incident-response playbooks
- Monitoring/observability documentation (alerts, dashboards, SLO context)
- Upgrade, migration, and rollback procedures
Security Documentation
- Hardening baselines and secure configuration guidance
- Least-privilege documentation for access control
- Audit-friendly verification steps and evidence collection
- Security posture and operational controls (documentation focus)
Documentation Systems & Quality
- Docs-as-code workflows: reviews, versioning, publishing patterns
- Information architecture and navigation design
- Templates, style guides, and reusable content patterns
- Content audits, cleanup, and migrations
About
I’m a Senior Technical Writer and Documentation Lead who helps engineering teams ship documentation users can trust. In fast-moving products, docs often become a last-minute deliverable — which creates production risk, support tickets, and frustrated customers. My job is to remove that risk.
I work closely with engineers and product owners to capture real behavior (not just intent), then turn it into documentation that is structured, testable, and easy to maintain. That includes API reference content with examples and error models, onboarding paths for developers, and operational runbooks that help teams diagnose issues quickly.
If you need someone who can both lead documentation work (planning, standards, reviews, quality gates) and still deliver hands-on content, I’m comfortable in that role.
How I work
- Start with the user journey (first success → scale → operations).
- Make docs testable (inputs/outputs, expected results, versioning).
- Write with intent (clear nouns/verbs, consistent terminology, minimal ambiguity).
- Ship iteratively (draft early, review often, improve continuously).
Contact
I respond quickly and can share additional samples on request.
Email: muthuswamy.david.linkedin@gmail.com
Location: Remote • open to global opportunities
Availability: Full-time • Contract