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Daniel MicallefDM

Daniel Micallef

Backend Developer

€495/day
San Ġwann, MT
8-15 years

Average response time: 1 hour

About Daniel

🎯 Senior Full-Stack Engineer | Python, Django, FastAPI, React | AI & Scalable Systems

With over 10 years of web development experience, I specialize in building high-performance, scalable Python applications where data and AI intersect. My background in both full-stack engineering and machine learning allows me to architect robust systems that deliver significant business value.

My core expertise lies in developing end-to-end solutions, from architecting data ingestion pipelines for edge computing devices to creating the intuitive web applications that consume that data. I excel at designing and building secure, well-documented REST APIs using Django Rest Framework and FastAPI, ensuring your services are reliable and easy to integrate.

I am passionate about the entire project lifecycle, including:* Architecting SaaS applications with modular or microservices-based designs.
  • Implementing automated testing, Dockerization, and CI/CD pipelines for maintainable code.
  • Integrating diverse databases like PostgreSQL, TimescaleDB, and MongoDB to fit specific project needs.
  • Providing technical consulting to refactor, modernize, and take ownership of existing systems.

I am a rigorous, autonomous engineer who believes that clear communication and transparency are the keys to a project's success.

🚀 My mission is to transform your complex needs into concrete, reliable, and maintainable technical solutions.

Key Technologies:

Python, APIs, and Web: Django, FastAPI
AI & Data: Machine Learning, LLMs, Scrapy, Selenium
Databases: PostgreSQL, MongoDB, TimescaleDB, Clickhouse, SQLite
Frontend: React.js, Vue.js, Svelte, Astro.js
DevOps: Docker, Git, GitLab CI, GitHub Actions
  • English

    Native or bilingual

  • Maltese

    Native or bilingual

  • Italian

    Basic

Can work on-site
San Ġwann (up to 50km)

Experience

  • SmartCow
    FullStack Developer
    INTERNET OF THINGS (IOT)
    June 2022 - December 2024 (2 years and 6 months)
    Malta
    As a Software Engineer at SmartCow, an Nvidia partner, I specialized in architecting and developing scalable B2B applications for the AI-driven edge computing industry.
    • Architected and developed scalable B2B data pipelines to ingest, aggregate, and serve AI-generated data from thousands of distributed edge devices.
    • Engineered high-performance, asynchronous services using FastAPI, Pydantic, Kafka, and Redis to ensure high throughput and data integrity.
    • Led the full-cycle development of a business-critical product license management system, using Django Rest Framework, to track purchase orders and automate communication between sales, manufacturing, and clients.
    • Served as a key technical liaison for B2B clients, actively participating in project planning, requirements gathering, and weekly development meetings.
    • Designed and implemented optimized database solutions tailored to project needs, utilizing PostgreSQL, TimescaleDB, MongoDB, and SQLite.
    • Utilized Docker to containerize applications, ensuring consistent and scalable deployments across development and production environments.
    React.js FastAPI Apache Kafka Django MongoDB
  • Umnai
    Python Developer
    DIGITAL AND IT
    September 2021 - June 2022 (9 months)
    Malta
    Part of a small team working on developing a closed-source Python library with the goal of helping developers create explainable AI. The library makes use of a number of popular python libraries including Pyspark, Pydantic, SQLAlchemy, and Pandas.
    Apache Spark artificial intelligence PostgreSQL Databricks Pandas
  • Gaming Innovation Group
    Developer/Senior Python Developer
    DIGITAL AND IT
    February 2018 - September 2021 (3 years and 7 months)
    Malta
    Joined GIG to form part of a new team in charge to automate affiliate marketing compliance within the iGaming industry. We did this by creating a crawler able to extract images, text, and links across thousands of web pages of interest to the client.

    Highlights from the product include:
    • Backend written in Django, using Celery, Redis, Postgres and RabbitMQ
    • Frontend written in VueJS
    • Deployed on bare metal machines using Ansible to set them up
    • Used AWS services like S3
    • Served app using Gunicorn, and Nginx
    • Application of Convolution Neural Networks for object detection in images;
    • Infrastructure has been scaled considerably to crawl millions of websites a month;

    Other projects included a
    • A highly performant web app written in GoLang (due to critical response time), and using GCP for Load Balancing;
    • Development of different APIs written Django Rest Framework

    All applications written were dockerized. I started off as a Junior Python Developer and progressed to a Senior member of the team during my time at GIG.
    Django GO Vue.js Docker PostgreSQL

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Education

  • Bachelor's degree in
    2015
    Bachelor's degree in
  • B.Sc IT
    University of Malta
    2015
    B.Sc IT

Skill set

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