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I will build production ready rest apis and microservices in java or python

M
marioccc
M
marioccc
Mario C
4.9
4.9

About this gig

Hi! I'm a Computer Engineer & Software Developer focused on shipping reliable, production-ready solutions not just scripts.

I help clients build, fix, and improve backend systems, automations, and applications with clean code, clear communication, and fast turnaround.


What you can expect

  • Clean, maintainable code (SOLID, design patterns when needed)
  • Docker-ready delivery (when applicable)
  • Logging, error handling, and sensible validation
  • Performance improvements & refactors with measurable impact
  • A smooth process: clear scope milestones deliverables


I can help you with

Backend & APIs

  • Java (Spring Boot) / Python (Django / Flask / FastAPI)
  • REST APIs, integrations, authentication, DB design
  • Microservices, Docker Compose, deployment guidance

Debugging / Fixes / Improvements

  • Bug fixing, refactoring, performance tuning
  • Code review with actionable recommendations

Desktop / UI (if needed)

  • JavaFX / Swing, Tkinter
  • Lightweight tools for internal workflows


Before you order

Message me with:

  1. What you want to achieve (goal)
  2. Current stack (if any)
  3. Expected input/output and deadlines
  4. Any constraints (hosting, OS, DB, etc.)

Get to know Mario C

Mario C

A young man with great expectations

4.9(40)
  • FromEcuador
  • Member sinceJan 2019
  • Last delivery2 years
  • Languages

    English, Spanish
Hello! I’m a Software Engineer focused on shipping reliable, production ready solutions. On Fiverr I offer: • REST APIs and microservices (Java Spring Boot / Python) • Dockerized delivery (Dockerfile / Docker Compose) • Database design and SQL queries • Frontend apps (Angular / React) + API integration • Computer vision pipelines in Python (OpenCV) Send me your requirements and I’ll propose a clear plan and timeline.
Reviews

34 reviews for this Gig
4.9

(31)
(3)
(0)
(0)
(0)
Rating Breakdown
  • Seller communication level
    4.9
  • Recommend to a friend
    4.9
  • Service as described
    4.9
Sort By
Most relevant
  • J

    jhonlcruz

    CO

    Colombia

    4.3

    persona muy cortes, y hubo buena comunicacion.

    Up to $50

    Price

    4 days

    Duration

    Helpful?
    Yes
    No
  • L
    image-docs

    lizeth_8

    MX

    Mexico

    4.7

    El vendedor no tiene mucha comunicación pero creo que es dependiendo de la complejidad del ejercicio, cumple con lo que promete y resuelve todas las dudas.

    Up to $50

    Price

    4 days

    Duration

    Helpful?
    Yes
    No
  • A
    image-docs

    acombatti

    ES

    Spain

    5

    Segunda vez trabajando con mario y es excelente!!

    Helpful?
    Yes
    No
  • A
    image-docs

    acombatti

    ES

    Spain

    5

    great service and fast shipping!

    Helpful?
    Yes
    No
  • G

    giulianag31

    ES

    Spain

    5

    Todo perfecto.

    Helpful?
    Yes
    No
Reviews

34 reviews for this Gig
4.9

(31)
(3)
(0)
(0)
(0)
Rating Breakdown
  • Seller communication level
    4.9
  • Recommend to a friend
    4.9
  • Service as described
    4.9
Sort By
Most relevant
  • J

    jhonlcruz

    CO

    Colombia

    4.3

    persona muy cortes, y hubo buena comunicacion.

    Up to $50

    Price

    4 days

    Duration

    Helpful?
    Yes
    No
  • L
    image-docs

    lizeth_8

    MX

    Mexico

    4.7

    El vendedor no tiene mucha comunicación pero creo que es dependiendo de la complejidad del ejercicio, cumple con lo que promete y resuelve todas las dudas.

    Up to $50

    Price

    4 days

    Duration

    Helpful?
    Yes
    No
  • A
    image-docs

    acombatti

    ES

    Spain

    5

    Segunda vez trabajando con mario y es excelente!!

    Helpful?
    Yes
    No
  • A
    image-docs

    acombatti

    ES

    Spain

    5

    great service and fast shipping!

    Helpful?
    Yes
    No
  • G

    giulianag31

    ES

    Spain

    5

    Todo perfecto.

    Helpful?
    Yes
    No