сегодня

PLC / C++ Embedded / Node.js Developer

Одесса · $2000 · 9 лет опыта · Pre-Intermediate

C/C++ - Developing your own device KoteLyu, application editor (GUI my apps - screens, widgets, etc.), file manager, compiler LyuC (C languages) and virtual machine LyuVM for run my apps in real time, own stored data format and format of displayed images, my bootloader, image and font converter (see portfolio); - Software development for various hardware platforms (Embedded/ARM/i386): Microchip, Raspberry Pi, Cubieboard, Intel Gallileo, Siemens IOT2000; - Development of firmware for microcontrollers with various modules (many LCD displays, Extenders I/O, EEPROM, Bluetooth, DS18B20, SD-card, RFID-card); - Software development for ESP8266 NodeMCU (C and LUA script languages); - Software development in Sublime Text, CodeLite, Putty, Mplab (for Microchip microcontrollers); - Work with interfaces for embedded systems: Socket TCP/IP, UART, I2C, SPI, Modbus RTU/TCP, 1-Wire, USB HID, parallel interfaces; - Good understanding Linux / SSH / SFTP / FTP / GIT; - Cross compiling gcc / g++ (Make, CMake); - WiringPi; JavaScript/Node.js - NPM, Express, net.Socket, WebSocket, Socket.io, https-server; - Gulp, Node.js Addons, JSON; - ES6, jQuery / AJAX, Workers, Chart.js; - SVG, LESS, HTML5, CSS3; - Knex.js, MySQL/MariaDB, HeidiSQL; - AR/VR; Automation of technological processes (Advanced Process Control) - Siemens TIA Portal (STEP7 / WinCC / Start Drive / Simocode / Siwatool); - Siemens Simatic S7-300, S7-1200, S7-1500; Sinamics G120C; ET200M/SP; TP Basic/Comfort; - Various I/O devices Phoenix Contact, Weidmuller, smooth starts Siemens, Eaton, frequency converters Danfoss, Schneider Electric, encoders, weight modules Siwarex, regulating and disconnecting valves and various sensors of the level of liquids of Danfos, and much more; - Hardware configuration; - Setting up network communications; - OPC / Web Server / Profinet / Profibus / MPI / Modbus RTU/TCP; - Development GUI and cross compiling software/drivers with Lazarus IDE and Delphi (many various apps);

Linux, C/C++, Embedded, C++, Microcontrollers, Microcontroller, MySQL, C, Automotive, IoT, Node.js, Yocto, Bluetooth, Networking, ARM, PIC16, PIC18, PIC24, PIC32, Industrial PLC Siemens, JavaScript, Ethernet


сегодня

Senior Go Developer

Львов · $4500 · 3 года опыта · Advanced/Fluent

Microservice architecture applications for web with REST/gRPc architecture

Golang, Git, MySQL, Linux, PostgreSQL, JavaScript, Docker, Redis, REST API, Nginx, Node.js, Performance optimization, Kafka, RabbitMQ, AWS, Multithreading, Microservices, SOA, Kubernetes

Algorithms for distributed systems Highload 4 cloud

Interesting projects


сегодня

Разработчик Objective C, Swift, iOS

Удаленная работа, Украина · $1000 · Больше 10 лет опыта · Pre-Intermediate

С++, Objective C, Swift, iOS, Wimdows, Linux,

Примеры выполненных проектов: Windows 1. https://absolutist.ru/review/microblots/ - реализация игровой механики и анимации. 2. http://absolutist.com/kid_games/hoyle_miami_solitaire/ - отладка скриптов игровой логики, участие в реализация интерфейса и конфигурировании игры. 3. http://www.mobygames.com/game/bicycle-solitaire_ - модификация проекта №2 для компании Encore, изменение интерфейса, функциональности и конфигурации, подстановка новой графики. 4. http://absolutist.com/kid_games/bubble-bonanza/ - реализация управления "мышью" вместо джойстика. iOS 1. https://itunes.apple.com/ru/app/drebeden-gi/id571913431?ls=1&mt=8 - участие в разработке приложения учета расходов домашних хозяйств в проекте www.drebedengi.ru 2. https://itunes.apple.com/ru/app/legalcom.org-online-legal/id433115686?lmt=8 - участие в разработке приложения для частного чата с юристами в проекте legalcom.org 3. https://itunes.apple.com/ua/app/taxikz/id867008741?ls=1&mt=8 - разработка iOS-приложения в проекте taxi.kz 4. https://itunes.apple.com/us/app/gunsel/id927298449?mt=8 - участие в разработке приложения для компании "Гюнсел" (доставка грузов и пассажирские перевозки) 5. https://itunes.apple.com/us/app/каталог-эйвон-украина/id1246652140?mt=8 - разработка приложения - каталога фирмы Эйвон в Украине 6. https://itunes.apple.com/ru/app/meiram/id1287519421?mt=8&ign-mpt=uo%3D4 - разработка приложения для оформления и отправки свадебных приглашений 7. https://itunes.apple.com/us/app/lider-compressors/id1299051072?l=ru&ls=1&mt=8 - разработка приложения для завода энергооборудования «Лидер», каталог запчастей и комплектующих, а также мониторинг оборудования для клиентов завода 8. https://itunes.apple.com/us/app/fox-assistant/id1300571835?l=ru&ls=1&mt=8 - разработка приложения для контроля качества и мониторинга исполнения корпоративных стандартов и бизнес-процессов в магазинах компании "Фокстрот. Техника для дома"


сегодня

Java Software Engineer

Удаленная работа, Украина · $2500 · 2 года опыта · Upper Intermediate

I was working with Java and Mulesoft for 2 years. I developed a project using Mulesoft CE 3.8.0 for automated contest system. I have implemented REST APIs in this project using RAML. Also I'm good in algorithms and was taking part in ACM ICPC NEERC. I was working using Mulesoft and good with following technologies: - Developing REST APIs using RAML; - Connectors: DataBase Connector, JMS Connector: integration using Active MQ (asyncronous processing of message), VM; - Transformers (XSLT, JSON-To-Object, XML-To-Object); - WebService Consumer; - Mule Domains; - MUnits; Also I familiar with: - DataWeave transformation; - Developing of the connectors; - Work with anypoint platform; - Salesforse integration; - Hibernate;

Spring, Java, Hibernate, Maven, REST API, JSON, JPA, REST, Spring Framework, Spring Boot, Spring MVC, Apache Camel

Development of a system for automatic programming competitions. Api development to provide reference data and solution verification algorithm. Tech Stack: Java, Mule ESB, Hibernate, Rest using RAML, Bootstrap, JSP. Development of a web application for displaying and editing data and schemes of pipeline systems. Tech Stack: Java, Javascript, Spring framework, Angular, Bootstrap


сегодня

Qt/C++ Developer

Киев, Львов · $2300 · 2 года опыта · Upper Intermediate

Summary: C, C++, Qt, QML, STL, WinAPI, MySQL, .NET, multithreading, network applications. Programming Languages/ Technologies Qt QML C++ 11 JS XML Qt multithreading Qt socketts Google Protobuf WinAPI RDBMS My SQL MS Access PL/SQL Frameworks Qt 5,9 RDBMS My SQL MS Access PL/SQL Methodologies Agile, SCRUM Development Tools Eclipse/MyEclipse & Plug-ins Visual Studio 6/.NET/.NET 2008 + Resharper MSDN QtCreator Testing Tools QtTest VCS Mercirial GIT

MySQL, SQL, STL, С++, C++11, Git, Mercurial, QML, Qt, WinAPI, Google Protobuf, Multithreading, MVC, Networking, JavaScript, PHP/HTML/CSS

Migration to new server architecture, adding new games rules and features. Communication with the front-end and art team. Responsibility for GUI (QML) part of client-side application for gambling industry. Taking part in developing client-server communication module and architectures meetings. Developing new features for slot machine, code refactoring, server side programming. (QML, XML, Qt, JavaScript, QTcpSocket, QThread, Mercurial (hg), signal-slot system): nickett.portfoliobox.net Responsibility for Windows version of product of the Company. Studing existing code, refactoring, bug fixing, developing new features. GIT, Protobuf, Qt/QML MVC, C++11.

Интересный продукт!!! Сложные задачи. Профессиональный рост. Перспективный и интересный проект. IPS/матовый монитор Philips или Dell, светлый просторный офис. Вкусный кофе. Работа в команде профессионалов. Работа не единственным C++ разработчиком в команде!


вчера

Senior C++ Developer

Санкт Петербург · $5000 · Больше 10 лет опыта · Upper Intermediate

• C++11/14/17, STL, Boost • Python, TypeScript, JavaScript • Linux, FreeBSD, OSX, AIX, Solaris, Windows • Multi-threading, low latency, networking, cryptography • ZeroMQ, OpenSSL, WebSockets, Protocol buffers • PostgreSQL, MongoDB • Git, SVN • CMake / CPack • Scrum, SAFe

C++, Multithreading, Networking, Boost, Linux, PostgreSQL, STL, Python

As an example, recently I designed and implemented custom L3 tunneling software (VPN) written in C++14/17. The software make use of Linux TUN/TAP driver to create a secure IP tunnel and use UDP or TCP packets to encapsulate the data transferred via the tunnel. All data and control packets are encrypted and authenticated using AES-256-GCM or CHACHA20-POLY1305 AEAD ciphers. Handshake protocol uses pre-shared keys (PSK) along with ECDHE for key agreement (modeled after OPTLS and TLS 1.3) and provides perfect forward secrecy. Fast blocking MPMC queue and fast thread safe memory pool classes were implemented in order to achieve high throughput of processed network packets. Both classes were designed to be cache friendly and to reduce memory fragmentation. The tunnel is developed to mitigate some of performance and scalability limitations of OpenVPN (tests show 4.5x improvement in total throughput over OpenVPN in a single-threaded mode on 1 Gbps Ethernet link; the tunnel is able to saturate 10 Gbps link in a multi-threaded mode). The software supports a minimally sufficient subset of OpenVPN configuration options so it can be used as a drop-in replacement. Also it can be managed using JSON-RPC protocol via Unix domain sockets. Main advantages and improvements over OpenVPN include: zero-copy networking, packet aggregation, absence of dynamic memory allocation, multi-threaded data encryption.


вчера

Разработчик C#, C, C++, Java

$2000 · 7 лет опыта · Upper Intermediate

Windows, Linux, STM32, ATMega, PIC, ATiny, C++, C, C#, Java. Спортивное программирование (знание алгоритмов)

Победитель международных конкурсов по робототехнике. Победитель олимпиад по спортивному программированию. Опыт работы с микроконтроллерами и привязки их к компьютеру. Пользовательские приложения для Linux/Windows/Android.

Качественная работа за качественные деньги.


13 октября

Senior C++ Developer

Киев · $3500 · Больше 10 лет опыта · Intermediate

- C/C++, STL, Win32, COM, QT, ITK - Multithreading, Networking, RDBMS - Windows, Linux, Android - Algorithms, Image processing - Good mathematical background

C/C++, Delphi, OOP, Git, Multithreading, STL, SVN, Windows, Networking, Jira, Linux, MSSQL, Oracle, Python, SQLite, PL/SQL, Qt, Visual Studio, Android, Algorithms

Interesting and challenging projects, new technologies, algorithms


13 октября

Software Engineer C++

Киев · $1600 · 2 года опыта · Intermediate

My first major project was the creation of simultaneous drone management software.The task was to create an application with UI for simultaneous control of several drones in one WI-Fi network. The project used the Qt Framework and ROS (Robot Operation System). I was participate in the VPN service project. Target was to create multi-platform VPN service. My area of responsibility was developing a client application for the Windows platform in a team. The solution consisted of a client UI application and a Windows service application. Here I take some advanced experience to work with Qt, UI(QML), application cache(SQLite), comunnicate with back end thru API, business logic of application. My personal achievement on this project is the successful implementation of a third-party encryption algorithm in the OpenVPN source code.

Fast learn, Git, STL, QML, SQLite, Qt, OOP/OOD, C/C++

Successful implementation of a third-party encryption algorithm in the OpenVPN2(C) and OpenVPN3(C++) source code.

I hope the next company in which I will work and my future colleagues will help me improve my skills and knowledge. At the current stage of my development I expect in the first place the possibility of professional growth and comfortable working conditions for this.


13 октября

C++ Developer

Киев · $8000 · Больше 10 лет опыта · Upper Intermediate

12+ years of C++ exp including modern C++, Qt, DB, git, cmake, cross-platform and embedded.

С++, OOP, Git, STL, Multithreading, Embedded, Linux, Unit Testing, SQL, Visual Studio, SOLID, Assembler

Интересный и глобальный проект, на фронте хай тэка ( Молекулярная биология / робототехника / гидропоника / космос / энергетика / аналитика и сбор данных ). На C++17+ с применением современных технологий разработки. Сильная команда, амбициозные цели, опционы.


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