Building full-stack web applications, TypeScript developer tooling, LLM context utilities, and serverless backend systems.
I am a Full-Stack Software Engineer focused on building reliable web applications, AI systems tooling, and zero-dependency Node.js/TypeScript packages.
- 🚀 Founder & Lead Architect at Daylink Ltd (
@daylinkltd) — Developing multi-tenant SaaS platforms, ERP systems, and business automation software. - 💼 Working at SeamlessAssist.
- 🌐 Open Source Contributor — Authoring targeted upstream fixes across web frameworks, JavaScript micro-utilities, and CLI toolchains.
TypeScript libraries published with zero runtime dependencies, complete test coverage, and microsecond-level execution.
| Package | Purpose & Focus | Benchmarked Performance | Installation |
|---|---|---|---|
@swaraj792725/sparsify-ts |
Sparse vector & matrix operations for high-dimensional payload compression | 0.09 μs / op(1,000-dim dot product) |
npm i @swaraj792725/sparsify-ts |
@swaraj792725/env-guard-ts |
Schema validation and type assertion for runtime environment variables | 0.19 μs / validation(50k validations in 9.74ms) |
npm i @swaraj792725/env-guard-ts |
@swaraj792725/prompt-template-builder |
Type-safe prompt template engine with inline variable interpolation | 0.81 μs / op(10k builds in 8.11ms) |
npm i @swaraj792725/prompt-template-builder |
Verified empirical measurements collected across local packages running on Node.js v22:
| Project / Module | Metric Measured | Execution Environment | Verified Result |
|---|---|---|---|
@swaraj792725/sparsify-ts |
1,000-dim SparseVector dot product | 50,000 operations | 0.09 μs / op (4.32 ms total) |
@swaraj792725/env-guard-ts |
Multi-rule schema validation (port, choice, bool) |
50,000 validations | 0.19 μs / op (9.74 ms total) |
@swaraj792725/prompt-template-builder |
Prompt string minification & whitespace stripping | 10,000 iterations | 0.81 μs / op (8.11 ms total) |
@swaraj792725/llm-context-compressor |
Comment stripping & AST whitespace reduction | 350-line TypeScript file | 0.50 ms latency (13.4% size reduction) |
@swaraj792725/ai-memory-store |
In-memory TF-IDF vector indexing | 1,000 document entries | 1.23 ms index creation |
Active contributor across web frameworks, JavaScript runtimes, and developer tooling ecosystems:
- Web Frameworks & Tooling: Upstream fixes and enhancements for full-stack SSR rendering, font URL parsers, MDX loaders, and CLI utilities (
Next.js,Docusaurus). - Runtime Micro-Utilities: Core fixes across string case transformers, fetch primitives, URL boundary parsers, and logging utilities (
UnJSecosystem:scule,ofetch,ufo,consola). - CLI & Process Runtimes: Process stream error handling and shell execution primitives (
Google zx). - AI Tooling & SDKs: Schema transformers, sandbox process signal handling, and tool execution utilities (
Anthropic SDKs).
type EngineeringCapabilities = {
domains: ["Full-Stack Web SaaS", "AI Context Tooling", "Developer Infrastructure", "Open Source"];
languages: ["TypeScript", "JavaScript (ESNext)", "Python", "SQL", "Bash"];
frameworks: ["Node.js", "React", "Next.js", "Express", "Bun"];
database: ["PostgreSQL", "Redis", "SQLite"];
tooling_ci: ["GitHub Actions", "Docker", "Vitest", "tsup", "pnpm"];
};- 🚀 Daylink Ltd: daylink.in | @daylinkltd
- 💼 Work: SeamlessAssist
- 🔗 LinkedIn: linkedin.com/in/swaraj-jakanoor-41b12b1b6