About Ariful Islam 🧔🏽
DevOps and Software Engineer specializing in AI infrastructure. I build production AI agent systems, custom SaaS, and the cloud infrastructure they run on.
Skills 🤹🏽
AI Engineering
- Engineering: RAG, agentic chatbots, multi-agent orchestration, MCP, pgvector
- Frameworks: Mastra, Agent SDK, LangGraph, LangChain
- Providers: Anthropic, OpenAI, Google, OpenRouter, Groq
- Voice: LiveKit, Whisper, Deepgram, ElevenLabs
- Serving: vLLM, SGLang, TensorRT-LLM, Ollama
- Fine-tuning: LoRA/PEFT, AWQ, GPTQ, FP8, Unsloth
- Ops: Langfuse, LangSmith, prompt injection defense
Cloud Infrastructure
- AWS: VPC, EC2, ECR, ECS, Fargate, Lambda, IAM, S3, RDS, CF, CW
- Other clouds: GCP, Azure, Linode, Hetzner, OVH, Contabo, Cloudflare, Vercel
- IaC: Terraform, Pulumi, Ansible, CloudFormation
DevOps and Platform
- Containers: Docker, Kubernetes, Helm, ArgoCD
- CI/CD: GitHub Actions, GitLab CI, Jenkins, SonarQube
- Observability: Grafana, Prometheus, Loki, Tempo, k6
Software Development
- Languages: JavaScript, TypeScript, Python, Go, Rust, Bash, C, Ruby, PHP
- Frameworks: Next.js, Vue, Nuxt, Express, Laravel, Django
- Frontend: shadcn/ui, Tailwind, TanStack Query
- Auth: BetterAuth, Cognito, Clerk
- Databases: PostgreSQL, Neon, Supabase, MySQL, MariaDB, MongoDB, Redis
Systems and Security
- Virtualization: VMware, ESXi, Proxmox, Vagrant, Hyper-V
- Web servers: Nginx, Apache, Caddy, Traefik
- Mail servers: Zimbra, iRedMail, MailCow
- Control panels: cPanel & WHM, Plesk, Ajenti, Virtualmin
- Security: OWASP, Wireshark, Nmap, Chkrootkit, ClamAV, Kali Linux
Linux and Open Source
- Linux: Debian, Ubuntu, RHEL, Rocky, Alma, CentOS, Fedora, Alpine
- Open source: Nextcloud, Mattermost, RocketChat, Chatwoot, Jitsi, BBB, WordPress, Bitwarden, Metabase, SuiteCRM, Odoo, n8n, OpenProject, 30+
Work Experience 💼
Product Engineer, BrillMark 2024 - Present Full-time
- Started as DevOps Engineer, promoted to DevOps Team Lead and Security Head, now lead a product team on AI and product development
- Shipped a RAG chatbot that ran in production through FIFA World Cup 2026 matches, live for Fanorate, with pgvector-backed memory
- Migrated the IntelliConvert AI backend from AWS Lambda to containerized ECS Fargate, adding SSE streaming and dynamic agent config
- Close to zero cost on a multi-region serverless scraper, by staying inside Lambda's 1 million free monthly requests: Lambda, API Gateway, and S3, scraping from any AWS region
- 10M requests in a 15-minute window against live blockchain RPC providers, on CompareNodes, reported live through Grafana and Prometheus
Service Provider, DigitalSmileDesign 2022 - Present Contract
- Ongoing consulting retainer with a Spain-based company
- Migrated their purchased platform into their own AWS environment and built the full infrastructure around it, still running their business today
- Cut their AWS bill by 48%, $3.3k to $1.7k a month, and secured the account while doing it
- Now advisory: system health, cost optimization, and AI adoption consultation
Technical Partner, Hombolt 2021 Partnership
- Ran the technical half of a software services venture: turned client ideas into working prototypes with cost estimates
- Built and ran teams of 8 for development partnerships
- Once a prototype landed the contract, led the development team through delivery
DevOps and System Architect, Fiverr and Upwork 2020 - Present Freelance
- 350+ orders completed for clients around the world, at a five star ⭐️ rating on both Fiverr and Upwork
- Everything from server rescues and mail servers to full application deployments, delivered directly to the people who depend on them
System Administration Intern, DivineIT 2019 Internship
- First industry role: Linux server administration and internal IT support
Education 🎓
- Bachelor's degree in Computer Science, Daffodil International University, 2023
- Diploma in Computer Technology, Infra Polytechnic Institute, 2019
- Secondary School Certificate in Computer Technology, BTEB, 2015
Certifications 📜
GitHub FoundationsGitHub
Build a Secure Google Cloud NetworkGoogle Cloud
Develop Your Google Cloud NetworkGoogle Cloud
Cloud Security FundamentalsGoogle Cloud
Load Balancing on Compute EngineGoogle Cloud
App Dev Environment on Google CloudGoogle Cloud
Volunteer, KCD Dhaka 2024The Linux FoundationTestimonials 💬
"I worked with Ariful Islam on a project and was consistently impressed with their technical knowledge and ability to problem solve. They were a valuable asset to the team and I would recommend them without hesitation."
"I hired Ariful Islam for a project and was extremely satisfied with their work. They were able to deliver on time and within budget, and their attention to detail was exceptional."
"Ariful was great to work with, he understood my project and was able to execute it. With his wealth of knowledge he is a great asset for any project. I highly recommend him as he is professional and delivered my project on time."
Contact 👋
Open to consulting, contract work, and conversations about AI infrastructure. If you have something to talk through, the quickest route is to put a slot on my calendar and we'll go from there.
Based in Dhaka (UTC+6). I read everything and usually reply within a day.
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