Bucharest · 44.4268° N, 26.1025° E

AI at the oars. An engineer at the helm.

COXSWAIN commands a fleet of AI agents building digital products at full-team speed. Nothing leaves port unverified: every delivery is audited, secured and signed.

Available for new projects

10+
Years experience
30+
Projects delivered
20+
Technologies mastered
24h
Response time

Fig. 01 / Services

Outcomes, not hours

COXSWAIN doesn't sell development hours: it delivers audited, secured and guaranteed products. The fleet accelerates, the engineer answers for it.

01

AI-Accelerated Development

Complete web applications, built with AI agents and reviewed line by line. Agency speed at the cost of a single engineer.

LaravelSymfonyReactNode.jsAI agents
02

Security & SecOps

Hardening, OWASP audits, secrets management, monitoring and incident response. Security isn't an add-on, it's the default.

OWASPHardeningSecretsMonitoring
03

AI Code Audit & Rescue

Built something with AI and it creaks? We make it production-ready. Fixed price and timeline, concrete report + remediation plan. What we usually find →

SecurityCode reviewRefactoring
04

Legacy Modernization

Old PHP systems nobody wants to touch, modernized with AI under strict human supervision.

PHPSymfonyUpgradesMigrations
05

Backend & APIs

Architectures that survive scale and time: APIs, databases, caching, messaging.

Node.jsMySQLPostgreSQLRedisKafka
06

DevOps & Cloud

Containerized infrastructure and automated deployment, so the product doesn't go down at 2am.

DockerKubernetesAWSAzureCI/CD
07

AI Product Integration

Chatbots, automation and LLM features built right: with evals, guardrails and costs under control.

Claude APIOpenAIEvals
08

Ongoing Ownership

We don't vanish after delivery: maintenance, monitoring and a human who answers when something breaks.

MaintenanceMonitoringSupport

Something else?

If your project does not fit any of these boxes, let's talk. The most interesting projects rarely do.

Standard on every delivery Human review on every line Dependency scanning Secrets in vault Tested backups Monitoring Incident plan

Fig. 02 / Method

One captain, a fleet of agents

COXSWAIN uses AI openly and aggressively: agents write most of the code. The difference: every line passes through an engineer with 10+ years of production scars.

Direction

The engineer sets the architecture, scope and standards. Agents execute within those lines.

Execution

AI agents in parallel: the output of a 4-5 person team, without the coordination overhead.

Verification

Every line read, tested and security-reviewed before delivery.

Accountability

No "the AI got it wrong". Every delivery is signed and stays COXSWAIN's problem.

Fig. 03 / Projects

Ship's log

Representative projects, from own products to enterprise platforms.

  1. LOG 01

    Cadru

    cadru.app

    Digital disposable camera for weddings and events: a limited number of photos per guest, hidden until the event ends.

    Live
  2. LOG 02

    Tagger NFC

    NFC data capture from meetings for sales teams; in daily field use.

    On-prem · 20+ clients
  3. LOG 03

    Auto Workshop Manager

    Full auto-workshop management: per-vehicle history, appointments and automatic reminders.

    On-prem · 10+ clients
  4. LOG 04

    YAROOMS

    yarooms.com

    Contributions to the enterprise workspace management and booking platform.

    Enterprise
  5. LOG 05

    ShipCl

    shipcl.com

    Development for an order and shipping management platform, similar to ShipStation.

    Enterprise
  6. LOG 06

    Dr. Popa Marian

    drpopamarian.ro

    Presentation site with local SEO for a dental practice in Bucharest.

    Live
  7. LOG 07

    Bunataturi.ro

    Recipe app with AI, meal planner and intelligent shopping list.

    Retired

Fig. 04 / Case studies

Case studies

Products operated at real clients, plus the security standard applied publicly, on this very site. No client names: contracts stay confidential, results don't.

Tagger NFC

Challenge
Sales teams were losing meeting data: paper notes, CRM filled in at night, forgotten leads.
Approach
Mobile app with NFC: one tap saves the contact and context on the spot. On-prem install, data stays with the client.
Result
20+ on-prem installations in daily field use. Data reaches the system in seconds, not at the end of the day.

Auto Workshop Manager

Challenge
Auto workshops with history kept in notebooks: missed appointments, customers who never return for service.
Approach
Management system with per-vehicle history, appointments and automatic reminders. On-prem: data stays in the workshop.
Result
10+ active workshops. Reminders bring customers back, complete history shortens diagnosis.

Audit & security: this very site

Challenge
A site that sells security has to demonstrate it. The standard published above had to be applied publicly, verifiable by anyone.
Approach
The standard COXSWAIN audit, applied to our own product: strict Content-Security-Policy, HSTS, security.txt, self-hosted fonts, GDPR-consent form and cookie-free anti-spam protection.
Result
Zero external scripts, zero cookies, zero trackers, real security headers. Verifiable in 10 seconds: curl -I coxswain.ro.

Fig. 05 / About

At the helm

At the helm of COXSWAIN: Andrei Stoica, a full-stack engineer with over 10 years of experience. He has led teams, mentored developers and delivered enterprise solutions. Today he applies the same reflexes to a new kind of team: AI agents that write fast, and one human accountable for every release.

  • 10+ years of experience

    Building complex, scalable web applications, from startups to enterprise.

  • Mentor & tech lead

    Trained juniors and coordinated teams. The same skills now direct AI agents: clear scope, hard review, standards.

  • Built for the AI era

    Agentic workflows in production, not on slides: human direction, AI execution, human verification.

Ship's registry · Company data

Name
S.C. COXSWAIN S.R.L.
Tax ID
RO51383300
Role
Sole administrator & developer
Base
Bucharest, Romania
PHPLaravelSymfonyNode.jsAdonisJSReactAngularTypeScriptMySQLPostgreSQLRedisDockerKubernetesAWSAzureKafkaSocket.ioAI/ML

Fig. 06 / Frequently asked questions

FAQ

Do you use AI to write code?

Yes, openly: AI agents write most of the code, and a senior engineer designs the architecture and reviews every line before delivery. You get AI speed without AI risk.

Why not just use ChatGPT to build my app myself?

For a prototype, it genuinely works. For production you need security, scaling, correct data and someone who answers when it goes down. We often repair AI-only builds; sometimes it's cheaper to build it right from the start.

What services does COXSWAIN offer?

AI-accelerated software development, security and SecOps, audit and rescue of AI-generated code, legacy system modernization, backend and APIs, DevOps and Cloud, AI product integration and ongoing maintenance.

Where is COXSWAIN located?

In Bucharest, Romania, working with clients worldwide.

How fast will I get a reply?

Usually within 24 hours on business days. Write to contact@coxswain.ro with a short description of your project.

Fig. 07 / Contact

Let's talk about your project

Send what you have: an idea, an AI-built prototype that creaks, or a legacy system everyone is afraid of. You'll get back questions and a concrete proposal.

Or directly: contact@coxswain.ro

Location
Bucharest, Romania
Response time
Under 24h (business days)
Status
Available for new projects