We need someone to write a java service that will communicate with KSEF i.e. download and send an invoice to it. The connection should be direct without using some external software.

Website and server for events and user communication(more on priv), using REST technology, and freamework Spring, having its own database. Optional use of multithreading and optional possibility to write a mobile version. Price to be determined.

Join a team of professionals, passionate people who provide IT solutions to clients, build IT systems and web and mobile applications. Technologies used in projects we want to involve you in: - Java (Spring, Spring Boot) -...

A program that creates PDF documents based on XML files and information from webservice JSON. We are looking for a programmer with knowledge of PHP, XML processing classes / functions (eg Simple XML), and JSON-based REST services for the...

I'm looking for a Java Developer Requirements: A person with commercial experience (at least 3 years in Java) Technology stack: Java 8 / Spring good knowledge of JPA / Hibernate MVC / SOAP / ebService / XML JBoss / Wildfly PostgreSQL

mid Spring or Java EE JPA / Hibernate good knowledge of API / REST / SOAP knowledge of databases, in particular Oracle experience with GIT, Gerrit, Jenkins (or similar) Jira / Confluence Please quote the month of work for the...

* mid * Spring or Java EE * JPA / Hibernate * good knowledge of API / REST / SOAP * knowledge of databases, in particular Oracle * experience with GIT, Gerrit, Jenkins (or similar) * Jira / Confluence Please quote the month of work for...

I am looking for a frontend developer with knowledge of React, Type, REST API, GraphQL and CSS for a project that is under construction. The tasks to be performed include, first of all, the implementation of a relatively large number of forms...

About the company: An agency that creates mobile and web applications, the entire team works remotely and is located in Poland. I am looking for a PHP / JS web developer. I am interested in long-term cooperation. Polish and basic English are...

Front-end Developer About project · We are looking for 3 people. · The project is in progress and will last until the end of March (with the possibility of extension). · The required commitment is 8 hours a day. · 100% remote cooperation...

I am looking for a company or programmer with experience in the front-end with the availability as soon as possible to implement the frontend and constant further cooperation in the development of accounting applications. Necessarily with Google...

We are currently searching for a REST API Developer for our international customer in Stuttgart! Job description: -Analyze the Business Requirement Specifications & Functional Requirement Specifications -Communicates directly with...

Angular App modifications per specification

We need to build a billing management (database) and payments processing system that is comprised of 3 main parts or modules, as described in detail in the attached flow-chart image. The goal of this system is to be able to bill customers...

Hello, I am looking for a freelancer who will create the front-end for an e-learning platform based on open edX. To do: 1. Menu developed after clicking with two levels, data provided in the template with Django 2. Save / Unsave button,...

Hello I am looking for a company / person to perform a native application preferably in ReactNative + Expo technology. Requirements Necessary: - Experience in building mobile applications for IOS and Android - Knowledge of REST technology...