Senior Technical Writer · Documentation Architect · FinTech Specialist

20 years architecting enterprise documentation systems for high-stakes domains: payments, fraud prevention, financial compliance, and investment management. I build documentation infrastructure that scales with complexity—turning complicated systems into clear, maintainable knowledge.

Expertise: API References (Stripe/Plaid quality) · FinTech Domain Depth · Docs-as-Code Automation · Compliance Frameworks · System Architecture

Current Focus: Open to senior-level opportunities in tech companies looking to scale documentation systems and establish documentation excellence.

🌐 Portfolio & profile: sulagnasasmal.com

• 📝 Developer API references — REST endpoints, webhooks, OAuth, error codes (Stripe / Plaid quality bar)
• 🏛️ Enterprise admin docs — MadCap Flare HTML, regulated platforms, step-by-step procedures
• ⚙️ Docs-as-Code pipelines — Vale linting, GitHub Actions, MkDocs, GitHub Pages
• 🤖 AI-assisted documentation tools — Claude API, Next.js + GPT-4o, RAG chatbots, docs-as-code frameworks
• 🔌 Developer portal tooling — OpenAPI spec rendering, interactive API consoles
• 💳 FinTech domain depth — ACH, Fedwire, SWIFT, RTP/FedNow, OFAC, BSA/AML, ISO 20022

  

Post-sale onboarding package for enterprise CaseForge AML customers. 30-day time-boxed program with role-based checklists, environment provisioning guides, data migration procedures, user training tracks, and a go-live validation checklist.

Language: HTML | Live Site: sulagnasasmal.github.io/caseforge-onboarding | Repo: github.com/SulagnaSasmal/caseforge-onboarding

Onboarding · Enterprise AML · Checklists · Go-live Validation · Role-based Tracks

Python and Node.js SDK guide for the CaseForge AML REST API. Covers quickstart, authentication (API keys + OAuth 2.0), a structured exception hierarchy, full code-sample library, versioned changelog, and a v1.x → v2.0 migration guide with side-by-side breaking-change comparisons.

Language: HTML | Live Site: sulagnasasmal.github.io/caseforge-sdk-docs | Repo: github.com/SulagnaSasmal/caseforge-sdk-docs

SDK Documentation · Python · Node.js · OAuth 2.0 · Migration Guide · Versioned Changelog

Capstone portfolio hub bringing all 7 documentation phases together. Includes meta-documentation on writing philosophy (MSTP compliance, before/after examples), information architecture decisions per phase, and a full doc-as-code workflow with branch strategy, Vale linting, GitHub Actions CI, and deployment pipeline.

Language: HTML | Live Site: sulagnasasmal.github.io/Documentation-Center-Platform | Repo: github.com/SulagnaSasmal/Documentation-Center-Platform

Portfolio Hub · MSTP · Information Architecture · Doc-as-Code · Vale Linting · GitHub Actions

Full developer reference for a workflow automation SDK — installation, core concepts, authentication, error handling with retry policies, full API reference (client, workflows, triggers, actions), v1-to-v2 migration guide, and versioned changelog. Written to the same quality bar as Stripe and Twilio SDK docs.

Language: Markdown | Repo: github.com/SulagnaSasmal/nexaflow-sdk-docs

SDK Documentation · API Reference · Migration Guide · Error Handling · Node.js · Python

A complete documentation program framework: editorial style guide (voice & tone, formatting, naming, code examples), information architecture methodology, doc type taxonomy, audience analysis framework, metrics program, four ready-to-use templates, a doc audit checklist, and a content health scorecard. Built for teams managing documentation at scale.

Language: Markdown | Repo: github.com/SulagnaSasmal/docs-content-strategy

Content Strategy · Style Guide · Information Architecture · Docs Metrics · Templates · Content Audit

HTML: ██████████████░░░░░░ 68% TypeScript: ██░░░░░░░░░░░░░░░░░░ 12% Python: ██░░░░░░░░░░░░░░░░░░ 9% CSS: █░░░░░░░░░░░░░░░░░░░ 6% JavaScript: █░░░░░░░░░░░░░░░░░░░ 3% MDX: █░░░░░░░░░░░░░░░░░░░ 3%

A visitor analytics system tracks page interactions across this profile in real time — page views, click tracking, device breakdown, and top content. See the live dashboard for details.

Each project below is a fully authored, end-to-end documentation site — built using Docs-as-Code principles or enterprise HTML, hosted on GitHub Pages.

Hand-coded portfolio site — single HTML file, no frameworks. Professional background, featured projects, compliance expertise, experience timeline, and a personal section on travel and food.

Light theme · Amber accent (#E8A84C) · Inter + Outfit + JetBrains Mono · No frameworks · GitHub Pages

Comprehensive REST API reference for VaultPay — structured to match Stripe, Adyen, and Braintree quality. Documents the complete payments lifecycle: authentication, settlement, disputes, and compliance reporting.

PCI DSS Level 1 · PSD2 / SCA · BSA/AML · FATF · NICE Actimize: IFM-AI · SAM · CDD · Sanctions

v10.2 API reference for CaseForge — enterprise AML compliance platform for managing investigations, filing SARs with FinCEN, and maintaining tamper-evident audit trails.

FinCEN BSA e-filing · FATF Recommendation 20 · EU AMLD6 · SOC 2 Type II · ISO 27001

Interactive Docs-as-Code platform dashboard — six modules demonstrating the full documentation engineering pipeline.

Docs-as-Code · CI/CD for documentation · Vale style linting · Multi-format output · GitHub Pages

16-page documentation portal explaining the Docs-as-Code methodology, five-stage pipeline, and platform usage. Built like real product documentation — left nav, TOC, code examples, callouts, comparison tables, prev/next navigation. Self-referential: the portal is itself built using Docs-as-Code principles.

Documentation portal design · 16-page structured content · GitHub Actions CI/CD · Vale linting · MkDocs

Eight-page reference site covering all six US payment rails — ACH, Fedwire, SWIFT, RTP, FedNow, and Card Networks. Draws directly on Fundtech India experience (2008–2010) documenting the predecessors of Finastra GlobalPAYplus.

ACH · Fedwire (ISO 20022 March 2025) · SWIFT (MT + MX + gpi) · TCH RTP · FedNow · Card Networks

Full system administration guide for PayPlus Enterprise v3.2 — a realistically modeled multi-rail payment hub. Covers installation, RBAC/LDAP/SSO, payment rail connectors, workflow engine, monitoring, OFAC/BSA/AML controls, and troubleshooting.

RBAC · LDAP / SAML 2.0 SSO · ISO 20022 pacs.008/pacs.009 · OFAC sanctions screening · BSA Travel Rule

Developer-facing REST API reference for PayPlus REST API v2.1 — authentication, ACH payments, instant payments (RTP/FedNow), wire transfers (Fedwire/SWIFT), webhooks, and complete error code reference.

OAuth 2.0 · Webhook HMAC-SHA256 · ISO 20022 (pacs.008, camt.056) · ACH return codes R01–R85 · SWIFT gpi / UETR

9-section enterprise HTML documentation for FraudShield AI Engine — grounded in real NICE Actimize IFM/AMP architecture. Demonstrates expertise at the intersection of fraud domain knowledge, AI/ML model documentation, API reference writing, and regulatory compliance.

AI / ML Models · Risk Indicators (200+) · Champion/Challenger · GDPR Art. 22 · SR 11-7 · BSA/AML

Platform architecture and operations reference for a realistic J2EE institutional investment management platform — modelled on the SunGard Asset Arena class of buy-side systems. Fully MSTP-compliant throughout.

J2EE / WebLogic 14c · Oracle 19c RAC · IBM MQ Series · SWIFT Alliance Lite2 · Bloomberg B-PIPE · NAV batch processing · MSTP

Investment compliance documentation covering the full lifecycle — pre-trade checking, post-trade monitoring, mandate management, exposure limits, regulatory reporting, breach governance, and audit trails.

UCITS (5/10/40) · AIFMD Annex IV · MiFID II / RTS 25 · Form PF · Solvency II · EMIR · CPO-PQR · MSTP

Beyond documentation, I build automation tools that solve real workflow problems.

Feed DocCraft raw content — meeting notes, specs, screenshots, anything — and it produces publication-ready documentation. MSTP compliance check runs automatically after generation, with one-click fixes per issue and multi-format export (HTML · Markdown · PDF).

Next.js 14 · TypeScript · Tailwind CSS · OpenAI GPT-4o / GPT-4o-mini · React Markdown · Vercel

Central landing page for all five AI and automation tools with live links, tech stack descriptions, and GitHub repos.

HTML · GitHub Pages · Amber + Indigo + Teal theme · Responsive design · No frameworks

Upload a .pptx → get back a narrated .mp4. No manual recording, no screen capture. Uses Python, FastAPI, Azure TTS (Jenny Neural), PowerPoint COM, and FFmpeg.

Python · FastAPI · Azure Text-to-Speech · PowerPoint COM · FFmpeg · pywin32

Upload or paste any OpenAPI 3.x spec (YAML/JSON) → instantly rendered developer portal. Features grouped endpoint navigation, schema trees, interactive Try-It Console, auth panel (API Key, Bearer, OAuth2), server selector, and webhook explorer.

Next.js 14 · TypeScript · Tailwind CSS · swagger-parser · Monaco Editor · Interactive API Console

RAG pipeline: crawl documentation sites, embed with OpenAI, store in ChromaDB, answer natural-language questions with GPT-4o-mini citing exact sources. Low-confidence answers are automatically logged as content gaps.

Python · FastAPI · LangChain · ChromaDB · OpenAI · Next.js 14 · TypeScript · Tailwind CSS

Lightweight analytics platform for documentation sites — tracks page views, reading time, search queries, content freshness (GitHub-based staleness scoring), and feature-to-documentation coverage matrix.

JavaScript · Python · FastAPI · SQLite · Next.js 14 · Recharts · Tailwind CSS

If you're looking for a Technical Writer who thinks like an engineer and writes for developers, compliance teams, and business stakeholders alike — let's talk.