AI Development
Agents that do real work against your data, not a chat box bolted to a landing page.
Open · 1 project slot
Engr Mejba Ahmed Founder & CEO, ColorPark · AI Developer · Software Engineer
Your AI system, live in weeks — not next quarter.
One engineer scopes it, builds it, ships it — and stays accountable after launch. You talk to the person writing the code, not an account manager relaying status.
Replies within one business day · Dhaka, UTC+6 · overlap with EU and US East
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8+
Years
engineering -
1,500+
Projects
shipped -
2,000+
Clients
served -
3
Companies
founded
Companies I founded and run
Ramlit Limited
— Founder & CEO (opens in a new tab)
ColorPark.io
— Founder & CEO (opens in a new tab)
xCyberSecurity.io
— Founder & CEO (opens in a new tab)
Employer ElectronicFirst.com (opens in a new tab) Deputy Head of Software Development · 2017 to present
Client reviews
Four people who paid, in their own words.
Verified reviews left by clients on the freelance marketplaces, quoted exactly as written. Reviews of delivered work, not engineering references — the technical detail is further down this page.
Rated 5 out of 5.
“Second time hiring this service—perfect and fast delivery again. Thank you!”
Rated 5 out of 5.
“Everything went smoothly—was a truly positive experience.”
Rated 5 out of 5.
“ColorPark resolved my spam issue promptly—amazing service, thank you!”
Rated 5 out of 5.
“Easy to work with, explained every step and delivered on time. Highly recommended!”
Founder-led
No account layer between you and the code.
Scoping happens with the engineer
The person estimating your build is the person who will write it.
Decisions take minutes, not sprints
You get an answer inside one business day, because there is no internal round trip to approve it.
Whoever built it still answers
I still maintain systems I shipped years ago, for clients who never had to re-explain them.
I don't ship AI demos. I ship systems that still run at 3 a.m. — monitored, maintained, and boring in the best possible way.
Capabilities
Four things I build, end to end.
Most projects need three of these four at once. One person holding all four is why the seams between them stop being your problem.
Software Engineering
Business systems that hold up under load, audit, and the third round of requirements.
Cloud & DevOps
Infrastructure you can rebuild from a repository, and deploys nobody fears on a Friday.
Security Engineering
We find what an attacker would find, then close it and prove it stayed closed.
Ventures
Where the work actually happens.
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Ramlit Limited
Software engineering and cloud delivery for global clients.
Founder & CEO
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ColorPark.io
Creative design agency for brand, product UI, and marketing.
Founder & CEO
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xCyberSecurity.io
Penetration testing and managed security operations.
Founder & CEO
ElectronicFirst.com FZ LLC
Global digital commerce platform.
Deputy Head of Software Development · 2017 to present
How I work
Four steps. No surprises at the end.
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Scope
We map the problem and what done looks like. You get a written scope before any code.
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Architect
Data model, service boundaries, failure modes. Decisions get written down with their reasoning.
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Ship
Small releases behind CI into a real environment. Progress every week, not one reveal.
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Operate
Monitoring, runbooks, and a person who answers. Finished means it runs without you watching.
That is what the first two weeks look like. Scope yours on WhatsApp
Engagement
Three ways to work together.
The same engineer in all three. What changes is the commitment, the cadence, and how much of the running I keep afterwards.
Project build
A defined outcome, a written scope, a delivery date. Built once, properly.
Monthly retainer
Time reserved for you every month. Features, fixes, upgrades, on-call cover.
Advisory sprint
A hard review of a system you run: architecture, security, cost. And a plan.
For whoever evaluates this technically
The stack, and the record.
Dates, institutions and titles stated plainly, so you can check them before the call rather than after it.
- Backend
- LaravelPythonFastAPINode.jsGo
- Frontend
- ReactNext.jsVueTypeScript
- Cloud
- AWSDockerKubernetesTerraform
- Data & AI
- PostgreSQLRedisOpenAILangChainn8n
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April 2018
B.Sc. in Computer Science & Engineering
Daffodil International University
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2017 — present
Deputy Head of Software Development
ElectronicFirst.com FZ LLC, a global digital commerce platform
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Ongoing
Founded three companies
Ramlit Limited, ColorPark.io, and xCyberSecurity.io
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Base
Mirpur, Dhaka, Bangladesh
Remote-first, working with clients worldwide
Questions
The six things people ask first.
What timezone do you work in, and when are you available?
I work from Dhaka, UTC+6, and keep deliberate overlap with Europe and the US East Coast. Expect a reply within one business day, and calls booked in your working hours rather than mine.
Is there a minimum engagement?
Project builds start at a scope worth writing down, which in practice means two weeks or more. Retainers run monthly with one month of notice either way. An advisory sprint is the smallest way in, and it is the most common first step. I hold one project slot at a time, so the availability line at the top of this page is a real constraint rather than decoration.
Who actually writes the code?
I do. On larger builds I bring in engineers from Ramlit Limited, and I stay the technical owner: I review every merge, and I remain the person you talk to.
What happens after launch?
Your choice. I hand over documentation and runbooks and step back, or I stay on retainer and operate it. Either way, nothing goes live without monitoring and a tested way to roll it back.
Who owns the code and the IP?
You do, on final payment: repositories, infrastructure definitions, and credentials. Handover is a scheduled task with a checklist, not an email on the last day.
How do we start?
Send a short note about the problem and the deadline. If it is a fit, we book a call, and you get a written scope before you commit to anything.
Still unsure whether it is a fit? Ask me on WhatsApp (opens WhatsApp)
Tell me what needs to work.
One message, no pitch deck. If I am not the right person for the job, I will say so and point you somewhere better.
Prefer to type? Message +880 1723 741224 — I reply within one business day.