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Samuel Fajreldines
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Accepting new clients

You run the business.
I handle the software.

I'm Samuel Fajreldines, a senior software engineer. Growing U.S. businesses hire my team to become their software department, not a vendor they rehire every quarter. I set the technical direction, my team builds and ships, and I stay accountable for everything that goes out.

Get in touch See how it works
  • From $5,000/month
  • Ongoing, not a project
  • My team handles delivery
Samuel Fajreldines

Samuel Fajreldines

Senior Software Engineer

Typical requests I get

Distributor

"Our CRM and warehouse system don't talk. The team re-types every order by hand."

What I own: connect the systems, kill the double-entry, keep it running.

Property management

"Tenants call us for every status update. We need a portal they can use themselves."

What I own: the customer portal, notifications, and the admin tools your staff lives in.

Ecommerce ops

"Returns, inventory, and shipping live in three spreadsheets. Nobody trusts the numbers."

What I own: one ops tool, real data, and automations that replace the spreadsheet grind.

B2B services

"Our internal tool is five years old. Everyone depends on it, and nobody will touch it."

What I own: stabilize the old system, fix what hurts, modernize without a rewrite gamble.

Manufacturer

"Quotes take three days because pricing is still manual. We're losing deals in the wait."

What I own: quoting software, pricing rules, and a clean handoff into production.

Logistics

"Drivers and dispatch run on WhatsApp. We need real tracking our customers can see."

What I own: dispatch tools, status tracking, and a customer view that stays accurate.

Software Engineering Blog

In-depth guides, tutorials and real-world engineering write-ups by Samuel Fajreldines on JavaScript & TypeScript, Node.js, Artificial Intelligence, DevOps, Serverless, testing and software architecture.

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  • All
  • Artificial Intelligence
  • DevOps & Cloud
  • Testing
  • Software Architecture
  • TypeScript
  • Frontend Development
  • Backend Development
  • Automation
  • Career Guidance

Latest Articles

How to handle SIGTERM in Cloud Run without losing work

Handle SIGTERM in Cloud Run without losing work: stop new tasks, persist state outside the container, and test the worker before 10 seconds run out in CI.

12 Aug 2026 · 10 min read DevOps & Cloud
How to handle SIGTERM in Cloud Run without losing work

How to mock APIs in Playwright without false positives

Learn when to use route.fulfill, route.fetch, or HAR in Playwright, then pair the mock with a real check so API failures stay visible in your CI suite.

11 Aug 2026 · 12 min read Testing
How to mock APIs in Playwright without false positives

How to host a remote MCP server in TypeScript with HTTP

Host a remote MCP server in TypeScript with Streamable HTTP, host protection, authentication, stateless scaling, independent verification, and limits.

10 Aug 2026 · 15 min read TypeScript
How to host a remote MCP server in TypeScript with HTTP

How to learn software engineering with coding agents

Learn to use coding agents as teachers, partners, and reviewers in a five-step loop that preserves fundamentals, testing, and technical independence.

09 Aug 2026 · 12 min read Career Guidance
How to learn software engineering with coding agents

State machines for AI agents: when should you use one?

4 signs your AI agent needs explicit states. Model TypeScript transitions, limit tools, and test the flow without treating the model as deterministic.

08 Aug 2026 · 9 min read Software Architecture
State machines for AI agents: when should you use one?
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