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Seasoned Web Developer and Blockchain enthusiast with a proven track record in the IT and services industry. Expertise in Research, PHP, HTML, JavaScript, and Blockchain development, including Smart Contracts. Skilled in automation, application testing, and cybersecurity analysis for web and mobile apps.
**Who I Am
AI Engineer specializing in LLM-powered applications and agentic AI systems.
Strong background in multi-agent AI, intelligent automation, and cross-industry AI deployments.
**What I Build
1. Agentic AI Systems
2. Multi-Agent AI Platforms
3. LLM Integrations
4. Custom AI Agents
**Tech Stack & Skills
Languages: Python, JavaScript (Node.js), TypeScript
Frameworks: LangChain
Cloud & Deployment: AWS, Azure, GCP, Docker
Databases: PostgreSQL, MongoDB
Other: API development, prompt engineering, RAG
**Full Stack Development:**
**Mobile App Development** (Native/Cross-Platform iOS/Android Apps)
**Technologies / Languages I can work with are:**
JavaScript Frameworks: Angular Node React Nuxt Next Nest Vue & other..
TypeScript
Full Stack / Mean Stack / Mern Stack / .Net FullStack
.NET Core
Flutter
DevOps
Generative AI
AI ML LLM
UI UX Design - Figma, Adobe XD, Photoshop
WordPress
AWS / Azure / Heroku
Native App Development
Cross platform Applications
Server Management
Hosting / Deployment
Database Management (MySQL, Postgres, MongoDB)
Git, Jest, MaterialUI
Infra: Terraform, AWS, Kubernetes, Docker, Github Actions, Jenkins, CircleCI TDD
-->> 10+ years of experience in Development / Providing Customized Generative AI powered Solutions / Consultations work and have worked for everything from small business to unicorn startup.
**WHAT I AM LOOKING FOR**
Opportunity to collaborate with startups who are in search of a partner to build their ideas; with enterprises to transform their operations into impact-full solutions.
Hi! My name is Ethar, though you'll get away with pronouncing it "Ether".
I've been a full stack guy for almost 30 years and these days, churn out JS, Node, C#, both SQL & NoSql and run on AWS, including developing IoT platforms and Alexa skills.
As well as coding help, I also encourage developers and architects to look at problems differently. Committing to effective, clean, value driven solutions is crucial and my experience both in code and business provides a unique slant on why code is written in the first place. I also regularly recruit, so understand the needs of folk trying to break into the industry.
Despite almost 30 years of commercial years in the IT industry, holding very senior roles, and running companies and organisations, I still prefer coding. I've spent a lot of time doing complex computing tasks and building circuits, and work across IoT, AI/Machine Learning, High performing computing and use Lean-EA and Lean Startup to help enterprises and startups alike work more effectively. Many of my calls end in YAGNI (You Ain't Gonna Need It), which saves on unnecessary costs elsewhere.
Ethics? Plenty. Probably to my own detriment.
Projects: Contributed to OSS including JabaJS and a local community tech calendar Alexa Skill OSS project called "WhatGeeks" (accepting PRs if you're interested).
● AI Powered development using Javascript and its frameworks/libraries like Angular, React, Next.js, Express, Node, Express, mongodb, mongoose etc.
● AI agents, prompt engineering, RAG, MCP servers, vibe coding.
● Full stack development in next.js including frontend, backend and databases.
● Architecture projects from scratch as well as building new features in existing projects.
● Debug and fix errors in existing projects.
● Database architecture using mongodb, postgres, ORMs like prisma and drizzle.
● Implement the best practices of code structure, logic building and making code
efficient.
● Follow pure Object Oriented Programming and Data Structures for solving problems.
● REST API development using node and its frameworks (mainly express).
● Know best practices of writing test cases (it includes unit testing and automation
testing).
● Decision making in choosing programming languages, frameworks and libraries
for a particular project.
● Good communication skills and understanding client requirements.
● Do research and development to stay up to date with new technologies and
always keen to adopt better approaches in solving any kind of problem.
● Experience in CI/CD, docker, github actions etc.
● Teaching experience for over 5 years now.
These are some projects I have worked on:
https://learnwith.flashclass.io/
https://www.getconch.ai/
https://eahousing.es/
https://www.blackbox.ai/
https://unation.com/
I provide expert-level guidance for developers building high-scale, design-forward applications. With over a decade of professional experience in the JavaScript ecosystem, my primary expertise lies in **Frontend Frameworks and UI/UX Design**, backed by deep full-stack and DevOps proficiency.
### My Core Expertise:
* **Frontend & Design:** Expert mastery of **React, Vue, and Angular** with a focus on polished UI/UX and clean **TypeScript** architecture.
* **Backend & Data:** Robust development with **Node.js, GraphQL, REST, and Kafka**.
* **Infrastructure & DevOps:** Professional experience with **Kubernetes, AWS, Jenkins, and BuildKite**.
In addition to my engineering background, I have previously served as a **Full-Stack Mentor for Thinkful.com**, helping developers bridge the gap between learning and professional-grade production.
Whether you’re a bootcamp student or a working professional, I’ll help you navigate the complexities of the modern stack with the confidence of a 10-year veteran.
I’m a Software Engineering Manager and backend engineer with 13+ years of experience building scalable, reliable software systems and mentoring developers across different experience levels.
My expertise spans:
ASP.NET Core & C#
Backend architecture
System design
Distributed systems fundamentals
Cloud infrastructure
DevOps practices
Software design patterns
Scalable backend systems
I also hold multiple AWS certifications, including:
AWS Certified Solutions Architect
AWS Certified SysOps Administrator
AWS Certified DevOps Engineer
Over the years, I’ve designed and deployed production infrastructure using:
Terraform
Docker
AWS ECS
Application Load Balancers (ALB)
CloudFront + S3 static website hosting
Docker Swarm on EC2
I’ve led engineering teams, conducted technical interviews, mentored developers, and helped engineers strengthen both their coding and architectural thinking.
I enjoy breaking down complex engineering concepts into simple, practical explanations that developers can apply immediately in real-world systems.
I’m an **AI engineer and cloud architect** with 14+ years of experience building and scaling real-world software systems. I help startups and product teams turn **LLM ideas into production-ready AI applications**, combining **LangChain/LangGraph**, **Java**, **Python**, **TypeScript**, and cloud-native architecture to deliver reliable, scalable results—not just demos.
I specialize in **developing end-to-end AI systems**, including LLM-powered APIs, RAG pipelines, backend services, and event-driven microservices. With extensive hands-on experience in **Docker, Kubernetes, Azure, CI/CD**, and **Kafka**, I design AI platforms that are secure, observable, cost-efficient, and built to scale from the outset.
Currently working at **Microsoft**, I bring enterprise-grade engineering discipline to fast-moving startup environments. I work comfortably in small, distributed teams, communicate clearly with technical and non-technical stakeholders, and focus on shipping AI features that directly impact users and business outcomes.
**Microsoft Certified Power BI, Python, and SQL professional with 10+ years of experience delivering high impact analytics solutions. Skilled in data visualization, dashboard design, and technical problem solving to drive actionable, data-driven insights for businesses.**
**Technical Proficiencies:**
* **Visualization Tools**: Power BI (Microsoft Certified PL-300)
* **Database Languages:** MySQL, PostgreSQL, T-SQL, Snowflake SQL
* **Object Orientated Programming:** Python (pandas, polars, snowspark, sqlalchemy), VBA
* **Cloud Platforms:** AWS, dbt, Microsoft Fabric, Power BI Service, Snowflake
* **Other:** DAX, Excel, Power Automate, Power Query
**Data Analysis Skills:**
* Automation
* API integration
* ETL
* Dashboard UX Design
* Data modelling and architecture
* Data storytelling
* KPI Development
**For prospective mentees / freelance clients:**
_Transparent project quotations and plans - Regular project status updates - Will work to tight timelines - Discounts available for longer term projects_
* I also specialise in building trading algorithms and back-testing models, in MQL4, MQL5, MT4, MT5, Interactive Brokers API.
* For freelance jobs and long term mentoring, intro calls are free (allowing you to assess the suitability of a collaboration). Discounts are offered for longer term agreements of 1 week or more.
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Frequently asked questions
How long do Cloud projects normally take?
The length of a project depends on many factors, including the scope of your project and the technical complexity of it. When you post a freelance Cloud project request on Codementor, you’ll have the option to indicate when you’d expect the project to be completed. We suggest chatting with the interested developers to ensure both sides are on the same page. For more information on how to post a freelance Cloud request on Codementor, check out our article.
How much does it cost to hire a freelance Cloud developer?
We don’t charge anything when you post a freelance hiring request for Cloud developers! You’ll have the chance to determine what the budget for your project is when you post the request. You’ll only need to pay the developer if you’re 100% satisfied with their work. Please know that Codementor charges a small service fee when a developer completes the job.
What makes Codementor Cloud developers different?
We do a comprehensive technical and communications screen of all Cloud developers at Codementor. Our network includes book authors, popular open source contributors, top Stack Overflow users and engineers at top tech companies. In addition, to continually ensure the quality of our freelancers, we regularly check in on existing Cloud developers’ user satisfaction rates.
What happens if I’m not happy with the freelancer’s work?
As a platform, we strive to ensure you’re always happy with your Cloud project’s results. If you’re unsatisfied with the results, you can choose to get a refund for the project. Additionally, you can contact our support team should you need any further assistance with your project.
For more answers to frequently asked questions, see here.