PostgresSQL Freelance Jobs

100% Remote. Full time.
=====================

We’re looking for a Senior Ruby Developer to help keep our systems in tip top shape.
This means taking ownership of the performance and maintainability of multiple systems.


Responsibilities
=====================
Write clean, maintainable and efficient Ruby / RoR code
Design robust, scalable and secure features
Contribute in all phases of the development lifecycle
Follow best practices (TDD, continuous integration, SCRUM, refactoring and code standards)
Lead a small team of Ruby developers
Plan stories with Product Managers based on needs / requirements

Qualification and Skills
=====================
Speak a fluent English
4+ years of experience with Ruby on Rails
Proven work experience in software development
Knowledge of front-end technologies such as JS, HTML and CSS
Firm grasp of object oriented analysis and design
Good knowledge of relational databases
Proficient in unit testing
Proficiency in API design and best practices
At least 3 years' experience in a professional development environment where you were a member of a development team
Experience consuming and writing REST based APIs
Experience and a good understanding of the JSON API specification
Experience in front end styling including HTML, CSS, SCSS, etc
Body of work demonstrating proficient understanding of complex Rails projects and design principles
A positive outlook with a focus on solution-oriented problem solving, even when things get tough
Experience with distributed version control using Git

Benefits
=====================
Competitive Salary
100% remote work, now and post COVID
The ability to work with leading company in USA
Flexible vacation
Company holidays
Paid time off (vacation, holiday, sick leave)

Category: IT & Programming
Subcategory: Web development
What is the scope of the project?: Create a new custom site
Is this a project or a position?: Project
I currently have: Not applicable
Required availability: As needed
API Integrations: Other (Other APIs)
Roles needed: Developer

We currently have a module that integrates QBO-Odoo developed by Pragmatic Tech purchased from the Odoo APP store. This development requires adding functionalities to said module. These functionalities are:
1.

Automate product creation /update from Odoo <=> QBO
2.    Automate customer creation/update from Odoo <=> QBO
3.    Automate inventory update Odoo <=> QBO
4.

Automate Invoice update Odoo <=> QBO
5.    Automate payment informaction Odoo <=> QBO
The freelancer must consider the following tips:
•    Actually both systems has vital information (Some invoices exist in QBO and not in Odoo)
•    We have developer instance for Odoo

Category: IT & Programming
Subcategory: Other
Project size: Small
Is this a project or a position?: Project
I currently have: I have specifications
Required availability: As needed
API Integrations: Other (Other APIs)

Buscamos desarrolador argentino con experiencia en al menos una de las siguientes tecnologias
API - Node.JS, Express.JS.
Database - MongoDB and PostgreSQL.
Browser App - AngularJS.

IPhone Mobile App - Swift.
Mobile native
Mobile stack
para trabajar en varios proyectos. Dedicacion full time

We are looking for an argentinian developer with experience in at least one of the next technologies:
API - Node.JS, Express.JS.

Database - MongoDB and PostgreSQL.
Browser App - AngularJS.
IPhone Mobile App - Swift.

Mobile native
Mobile stack
to work on several proyects. Full time dedication.

Category: IT & Programming
Subcategory: Web development
What is the scope of the project?: Create a new custom site
Is this a project or a position?: Project
I currently have: I have specifications
Required availability: As needed
Roles needed: Developer

Hi,

We are a small but quickly growing startup in recruitment. We're looking for a Brazilian Senior Python
Back-end Developer that has experience developing complete MVP projects from the scratch.

We're creating:
A recruitment platform focused on candidates.

You can also have a look at the prototype here:

https://www.youtube.com/watch?v=G0xpPypi29U
Company: https://invis.io/CGYW5D5BDSA
Candidate: https://invis.io/FGYTHC9E2Y9

Experience & Skills:

• Proven track record in Python Development with strong experience of end to end software
life cycle
• Excellent Python and associated technologies - Flask, Django etc
• Excellent experience designing and delivering cloud based solutions
• Strong understanding of the development lifecycle and experience of working under Agile
development methodologies
• The ability to quickly learn and work with new tools
• Drive to continuously innovate and improve
• Strong written and verbal communication skills including status reporting

• Python
• PostgreSQL
• Experience building Machine Learning pipelines
• Good understanding of SQL Alchemy and Data Modelling techniques
• Excellent knowledge developing scalable and highly-available Restful APIs
• Excellent knowledge of AWS Infra
• Git / Version control
• Experience with integrations (Google Analytics, Google Tag manager...)

You must provide us with the portfolio link for at least 3 projects similar to ours, which you
developed as a Senior Python Back-end Developer.

If you can't prove your experience — please don't apply.

Category: IT & Programming
Subcategory: Web development
What is the scope of the project?: Medium-sized change
Is this a project or a position?: Project
I currently have: I have specifications
Required availability: As needed
API Integrations: Payment Processor (Paypal, Stripe, etc.)
Roles needed: Developer

Responsibilities
Design and build new services
Ensure the performance, quality, and stability of applications
Collaborate with a team to define, design, and ship new features
Identify and correct bottlenecks and fix bugs
Help maintain code quality, organization, and automatization
Optimize current algorithms


Skills
Proficient with Swift
Swift Package Manager
Data modeling, PostgreSQL
Familiarity with RESTful APIs to connect mobile applications to back-end services
Knowledge of other web technologies or backend languages as NodeJS
Familiarity with Firebase cloud messaging APIs and push notifications
Proficient understanding of code versioning tools
Unit testing
At least 4 years experience in iOS development.

Category: IT & Programming
Subcategory: Apps programming. Android, iOS and others
What is the scope of the project?: Medium-sized change
Is this a project or a position?: Project
I currently have: I have specifications
Required availability: As needed
I need to: Modify an existing app

Backend Javascript

- NodeJS / Express
- ES6 +
- Postgres
- jwt and api security
- docker and graphql of preference

we are looking for a programmer with api experience to work on a startup business logic implementation project related to delivery and food.

Category: IT & Programming
Subcategory: Apps programming. Android, iOS and others
What is the scope of the project?: Medium-sized change
Is this a project or a position?: Project
I currently have: I have specifications
Required availability: As needed
Required platforms: Android, iPhone
I need to: Modify an existing app
App type: Utility - Utility application (flash, calculator, etc.)
Back-end is required: Yes
Payment gateway: Yes

The project is built with nodejs, express, graphql, typeorm, typegraphql, postgres. I need someone who has good understanding of these.

Job responsibility:
- answer my question as I need someone who can provide me a solution quick rather than waiting
for someone in stackoverflow.
- review the code and suggest the better way to do it

Category: IT & Programming
Subcategory: Apps programming. Android, iOS and others
Is this a project or a position?: Project
I currently have: I have specifications
Required availability: Part time
Required platforms: Android, iPhone, Other
I need to: Modify an existing app
App type: Promotion - Application to promote your business/company
Back-end is required: No
Payment gateway: No