Hi, I’m a Full Stack JavaScript Developer with over 3 years of professional experience delivering high-performance web applications and scalable backend systems.
I specialize in building modern, responsive applications using:
Frontend: React.js, Next.js, TailwindCSS
Backend: NestJS, Node.js, GraphQL, REST
Databases: PostgreSQL, MSSQL, MySQL, MongoDB (via Prisma ORM)
Tools & DevOps: Docker, Redis, Terraform, Ansible, GitHub Actions
✅ What I Can Do For You:
Develop custom admin dashboards and business apps
Build robust API backends (GraphQL & REST)
Integrate third-party services (e.g., Stripe, Elorus, IoT devices)
Optimize performance with Redis caching and job queues
Set up and manage CI/CD pipelines and cloud deployments
Build secure, scalable web solutions using clean, maintainable code
🏆 Certifications:
Red Hat Certified System Administrator (RHCSA)
Microsoft Azure Fundamentals
C2 Proficiency in English (Cambridge)
Whether you need a reliable developer to build from scratch, maintain an existing project, or automate your deployment process, I’m here to help.
Let’s build something amazing together — send me a message and let’s get started!
React
Node.js
MySQL
MongoDB
Next.js
Docker
PHP
TypeScript
NGINX
ExpressJS
Tailwind CSS
API
Tailwind UI
WordPress
WooCommerce
Dimitrios K.
Leptokarya, Greece
$35/hr
5.0
2 jobs
Greetings.
I'm a software engineer experienced in various kinds of frontend and backend skills such as React, Next.js, Django, Node.js and also especially AI and ML.
Proficient in a diverse set of technologies, such as:
- AI/ML & Data Science
• Generative AI, LLMs (GPT-4/5, LLaMA, Claude, Gemini, Mistral), Retrieval-Augmented Generation (RAG), Graph RAG, Transformer Architectures, Agentic AI, Multi-agent Systems.
• Natural Language Processing (NLP), Computer Vision (YOLOv7, CRNN, CNNs), Optical Character Recognition (OCR), Key Information Extraction (KIE), Text Detection, Image Segmentation, Object Detection.
• Model Fine-tuning, Prompt Engineering, Data Annotation, Active Learning, Semi-supervised Learning.
• Large-scale Data Processing, Feature Engineering, Data Augmentation, ETL/ELT Pipelines, Data Curation.
- Programming & Frameworks & Cloud & DevOps
• Python/ Django / Flask
• ReactJS / React Native (including React Native Web) / Expo / Express / Redux / NextJS
• Javascript / Typescript / Flow types
• NodeJS / Angular / Vue.js
• MongoDB / SQL (MySQL / MariaDB / PostgreSQL) / Redis
• OAuth2 / Keycloak / Auth0 / Cognito
• Kubernetes / Helm / Docker / Ansible / Terraform / Amplify / Firebase
• AWS / Azure / GCP / on premises
• RESTful / GraphQL / OpenTracing / AMQP (RabbitMQ)
I believe clear and consistent communication is essential to the success of any project.
From the outset, I strive to ensure both parties fully understand the goals, expectations and terms.
Throughout the collaboration process, I am always available to provide updates, answer questions and maintain alignment.
AI Chatbot
Python
Django
React
Next.js
Generative AI
LLM Prompt Engineering
TensorFlow
Natural Language Processing
Text Recognition
Retrieval Augmented Generation
MySQL
Git
API
Machine Learning
Nikolaos K.
Piraeus, Greece
$10/hr
5.0
1 jobs
►Full-Stack Developer | DevOps & Automation Specialist
I offer a comprehensive skill set that covers software development, server management, and automation, ensuring your project runs smoothly from start to finish.
I have extensive experience with DevOps practices, server installations, and containerization technologies like Docker.
►Key Skills & Expertise:
•DevOps & Server Management: Server provisioning and management (Linux, Windows), and cloud infrastructure setup
•Containerization: Docker container orchestration, Docker Compose, and containerized deployment of applications
•Automation & Scripting: Expertise in creating automation scripts (Bash, Python, PowerShell, etc.) to improve workflows and minimize manual effort
•Backend Development: Server-side logic, RESTful APIs, database design
•Frontend Development: Responsive and user-friendly interfaces
•Database Management: SQL, PostgreSQL for robust data handling
•Programming Languages:
- C
- C#
- PHP
- JavaScript
- HTML
- Python
►Additional details:
1) Client Communication & Collaboration: I prioritize clear communication and collaboration in all my projects. I work closely with my clients to fully understand their needs, offering regular updates and open lines of communication to ensure their vision is realized. Your success is my success, and I’m committed to delivering results that exceed your expectations.
2) Automation & Scripting: Automation is at the core of my workflow. From writing scripts to automate system tasks to developing small programs that improve business efficiency, I have experience across various scripting languages, including:
•Bash
•Python
•PowerShell
•Shell Scripting
I help reduce manual work and ensure repeatable, error-free processes by creating custom automation solutions tailored to your specific needs.
3) DevOps & Server Management: I specialize in setting up and managing servers, ensuring they are optimized for performance, security, and scalability. Whether you need to configure a Linux server, manage cloud infrastructure, or handle Windows server setups, I have the expertise to get it done right.
4) Software Engineering & Program Implementation: As a full-stack software engineer, I build and implement programs that meet your business needs. From backend logic to frontend design, I create applications that are both functional and user-friendly, ensuring a seamless experience for your users. I also offer custom solutions, whether it’s developing standalone applications or smaller scripts that solve specific challenges.
5) Containerization & Docker: I use Docker to containerize applications, making deployment easy, scalable, and portable across different environments. This ensures consistency between development, testing, and production environments, helping to reduce errors and improve reliability.
SQL
PHP
JavaScript
Python
ASP.NET Core
HTML
C
Bash Programming
Angular
Docker
DevOps Engineering
Java
Automation
C#
Assembly Language
Kostas M.
Nea Makri, Greece
$40/hr
5.0
9 jobs
Senior DevOps Engineer. Research Engineer in Cloud Computing.
Extended experience Deploying into Critical/Production Systems.
Can provide solutions to various problems in the space of Application Delivery/Continuous Integration/Continuous Deployment.
Tell us what you need. Create your own job post or generate one with AI then filter talent matches.
Hire top talent fast
Consult, interview, and hire quickly, so you can meet the freelancers you're excited about.
Collaborate easily
Use Upwork to chat or video call, share files, and track project progress right from the app.
Payment simplified
Manage payments in one place with flexible billing options. Only pay for approved work, hourly or by milestone.
Don't just take our word for it
“Upwork provides an umbrella-level of security. I can see a talent’s work history and ratings. I can hold payments in escrow. I can communicate through Upwork Messages instead of working through my email address.”
KD
Kim Darling
Emerald Tiger
“Upwork is the best platform to hire skilled professionals when we're not looking for a full-time employee. All the companies in our portfolio use Upwork to find talent across a wide range of fields.”
DM
David Merry
Kinetic Investments
“Our very specific requirements can be a challenge—With Upwork, we’re able to access a bigger community to ensure the success of our projects.”
KK
Katja Krohn
Summa Linguae
How do I hire a Ansible Developer in Greece on Upwork?
You can hire a Ansible Developer in Greece on Upwork in four simple steps:
Create a job post tailored to your Ansible Developer project scope. We'll walk you through the process step by step.
Browse top Ansible Developer talent on Upwork and invite them to your project.
Once the proposals start flowing in, create a shortlist of top Ansible Developer profiles and interview.
Hire the right Ansible Developer for your project from Upwork, the world's largest work marketplace.
At Upwork, we believe talent staffing should be easy.
How much does it cost to hire a Ansible Developer?
Rates charged by Ansible Developers on Upwork can vary with a number of factors including experience, location, and market conditions. See hourly rates for in-demand skills on Upwork.
Why hire a Ansible Developer in Greece on Upwork?
As the world's work marketplace, we connect highly-skilled freelance Ansible Developers and businesses and help them build trusted, long-term relationships so they can achieve more together. Let us help you build the dream Ansible Developer team you need to succeed.
Can I hire a Ansible Developer in Greece within 24 hours on Upwork?
Depending on availability and the quality of your job post, it's entirely possible to sign up for Upwork and receive Ansible Developer proposals within 24 hours of posting a job description.