/ skills
Skills
Grouped by engineering job, not by badge wall. Related columns point at companies or products on this site. No proficiency percentages.
Backend
APIs, business logic, and production services in TypeScript on Node.js.
| Technology | Used for | Related |
|---|---|---|
| Node.js | Primary runtime for APIs, automation, and production services. | GoKundu · HawkEyes · MNTECH · Independent Contract |
| NestJS | Modular backend services, including merchandising automation and e-governance APIs. | HawkEyes |
| Express.js | HTTP APIs and full-stack backends alongside React/Next.js. | MNTECH |
| REST API | Resource APIs with auth, RBAC, and integration endpoints. | HawkEyes · MNTECH |
Frontend
Application UIs for dashboards, listings, and product surfaces.
| Technology | Used for | Related |
|---|---|---|
| React | Interactive UIs for products, dashboards, and company sites. | GoKundu · MNTECH · Bhalobasha |
| Next.js | Full-stack web apps, agency dashboards, and production deployments. | GoKundu · MNTECH · Bhalobasha · Independent Contract |
| Tailwind CSS | UI implementation in product and portfolio work. | This portfolio |
Databases
Schema design, aggregations, and data access for production apps.
| Technology | Used for | Related |
|---|---|---|
| MongoDB | Document models and aggregation pipelines for reporting and automation. | GoKundu · HawkEyes · MNTECH |
| PostgreSQL | Relational data for the Bhalobasha listing platform. | Bhalobasha |
| MySQL | Relational design for classified e-commerce and business applications. | MNTECH |
| Prisma | Typed data access for PostgreSQL-backed product work. | Bhalobasha |
| Mongoose | MongoDB modeling in Node.js. Production ODM details per company are TODO if you want them named. | MongoDB |
Realtime
Persistent connections and live application state where the product needs it.
| Technology | Used for | Related |
|---|---|---|
| WebSocket | Persistent connections for live events and messaging. | Capabilities |
| Socket.IO | Realtime channels on Node.js services. | Capabilities |
| Redis | Caching and realtime-adjacent coordination. | Capabilities |
Infrastructure
Linux VPS, reverse proxies, containers, and production networking.
| Technology | Used for | Related |
|---|---|---|
| Linux / VPS | Provisioning and operating production hosts end-to-end. | GoKundu · Independent Contract |
| Nginx | Reverse proxy, SSL termination, and application routing. | GoKundu · Independent Contract |
| Docker | Packaging and running services on production hosts. | GoKundu · Independent Contract |
| PM2 | Process management for Node.js and Next.js deployments. | GoKundu · Independent Contract |
| SSL / Cloudflare | TLS, domains, and edge configuration for public services. | GoKundu · Independent Contract |
| AWS | Cloud services used alongside VPS-based production work. | GoKundu |
DevOps
Repeatable deploys, backups, and host reliability.
| Technology | Used for | Related |
|---|---|---|
| GitHub Actions | CI/CD pipelines for application and infrastructure workflows. | GoKundu · Independent Contract |
| CI/CD | Automated and zero-downtime production releases. | GoKundu · Independent Contract |
| Backups & monitoring | Operational backups and production monitoring workflows. | GoKundu · Independent Contract |
| Load balancing & firewall | Traffic distribution and host firewall configuration. | Independent Contract |
Security
Authz, API hardening, and security-aware backend work.
| Technology | Used for | Related |
|---|---|---|
| JWT | Token-based authentication for APIs. | HawkEyes |
| RBAC | Role-based access for multi-module platforms. | HawkEyes |
| API security | Secure API design for enterprise and e-governance systems. | HawkEyes |
| Penetration testing | Security testing considerations alongside backend delivery. | HawkEyes |
Testing
I test the systems I ship. Specific framework names and coverage numbers are not listed here yet.
| Technology | Used for | Related |
|---|---|---|
| TODO: testing stack | Add unit/integration/e2e tools you want shown (for example Jest, Supertest, Playwright). | — |
Third-party integrations
Payments and social APIs wired into product backends.
| Technology | Used for | Related |
|---|---|---|
| Stripe | Payments on a classified e-commerce platform. | MNTECH |
| Facebook / Instagram APIs | Social automation in an influencer management application. | MNTECH |
| YouTube / TikTok APIs | Content and social-media automation integrations. | MNTECH |
Developer tooling
Packages and tools meant for other engineers to consume.
| Technology | Used for | Related |
|---|---|---|
| npm packages | Publishing reusable libraries such as @olism/bd-geo. | BD Geo |
| CLI / internal tooling | Hobby and experimental developer tools. Named CLIs are TODO. | Engineering experiments |
AI / Automation
Automation in production product work — not a research lab claim.
| Technology | Used for | Related |
|---|---|---|
| AI automation | Lead-generation pipelines, data collection, and form-to-CRM workflows. | GoKundu |
Languages
Languages I use in production or in low-level experiments. No proficiency percentages.
| Technology | Used for | Related |
|---|---|---|
| TypeScript | Primary language for backends, frontends, and packages. | GoKundu · HawkEyes · BD Geo · Bhalobasha |
| JavaScript | Node and frontend applications, including earlier product work. | MNTECH · BD Geo |
| Python / C++ / Assembly | Listed in my toolkit. Production case studies are not documented on this site yet; C/C++ also appear in hobby OS/CLI experiments. | Engineering experiments |