Вакансии Backend Developer

What you’ll be doing:

• In cooperation with Architect and/or Team Lead design, develop and deploy Java services focusing on high availability, low latency, scalability, and high throughput;
• Continuously improve software engineering practices;
• Collaborate closely with other engineers, project managers, and product managers to identify and solve challenging problems;
• Take full responsibility and ownership from conception, development, and quality to post-deployment.

Skills Required:

• 6+ years of experience in Java software development;
• Java 8+;
• Knows frameworks (Spring/Mybatis/Netty);
• Build tools – Maven, Jenkins;
• Reactive frameworks RxJava/Reactor;
• Deep SQL knowledge and query optimization;
• Experience with NoSQL databases;
• Experience with low latency or high throughput systems;
• Experience in designing and implementing large-scale distributed systems;
• You can work with minimal direction and are capable of working quickly while delivering high-quality outputs. You are good at multitasking, juggling competing priorities, and organizing yourself;
• Demonstrable knowledge of professional software engineering best practices for the full software development life cycle, including coding standards, code reviews, source control management, build processes, testing, and operations.

Will be an advantage:

• Scala/Kotlin;
• Knowledge of Functional principles and patterns;
• Knowledge of Docker, Kubernetes;
• Service discovery (consul, etcd, etc.);
• Deep understanding of Computer Science fundamentals like: Data Structures, Algorithms, System Design, Concurrency, etc;
• Experience with highload systems.

Technology stack: Java 16+, Kotlin, Scala, k8s, docker, Spring/SpringBoot, MyBatis, MySQL, MongoDB, Kafka, Netty, RxJava3.

Our company cares deeply about the results and development. We are young, ambitious, open-minded, and ready to expand our team to achieve the highest goals, that's why we're looking for Middle Ruby on Rails Developer.

Responsibilities:

• You take responsibility for further developing our internal API for our web products.
• You drive our efforts in structuring the backend data to use it for our web applications and our data pipelines.
• You take ownership in improving the user experience and delivering a quality product by recommending possible improvements.
• You take initiative in tuning and optimizing distributed applications for performance/cost.

Requirements:

• 2+ years of experience building Ruby on Rails applications.
• Believe in extensively testing your own code (we use RSpec).
• Hands-on experience with profiling and optimizing applications (memory usage, SQL queries etc.)
• Comfortable working with Git.
• Understand that there’s usually more than one way to implement something, and you can choose the right tool and approach for the job.
• Have a good balance between ‘doing things right’ and deliver fast.

Ми шукаємо Laravel Developer-а у нашу команду однодумців.

Обов’язки:

• Розробка та підтримка продукту.
• Участь у складанні ТЗ.
• Імплементація ТЗ.

Вимоги:

• Від 7 років досвіду з PHP;
• Досвід роботи з фреймворком Laravel;
• Знання скриптів та бібліотек;
• Знання баз даних MySQL, MongoDB, MariaDB, PostgreSQL – розуміння в яких проектах, що доречно використовувати, що ні;
• Вміння розгортати Git, робота з докером;
• Знання ООП (MVC);
• Добре якщо володієте також Vue.js.

Буде плюсом:

• Здатність тестувати свою роботу;
• Уміння розумітися на чужому коді;
• Оцінка витрат часу виконання завдання.

Особисті якості:

• Відповідальність;
• Бажання вчиться та розвиватися;
• Вміння працювати в команді;
• Можна в подальшому зрости до техліда в цьому проекті при бажанні.

Brainberry invites Middle Python Developer for long-term and full-time employment at its service center in Kiev, Ukraine. You will have the opportunity to be a part of the extension team of an international IT Consulting Company.
Our Customer is a German software development and IT-consulting company, its main focus is on the systematic application of knowledge and information technologies.

About the project: the team is developing high-load websites and services for organizing online congresses for the medical sector.

Team structure: Development team of 2 Backend developers; 5 FrontEnd developers, 1 QA engineer, 1 Project Manager

Responsibilities:

• Develop Internal CRM system and client's platform.
• Daily communication with the customer.

Requirements:

• Python 2 & 3;
• Good understanding of OOP and Functional Programming in Python;
• Basic understanding of automated software testing (Unit testing, Mocking);
• Basic understanding and experience in HTTP microservices;
• Basic understanding and experience in RESTful and JSON, incl. JSON Schema;
• WSGI;
• "werkzeug" or bottle library or similar HTTP micro service framework;
• Supervisor, uWSGI or Gunicorn knowledge;
• MongoDB;
• Git.

Will be a plus:

• General experience with document stores (e.g. CouchDB);
• Linux, SSH, Bash;
• OAuth2;
• AMQP/RabbitMQ;
• ElasticSearch;
• Docker;
• Intermediate level of English.

Currently, we’re looking for a Java Developer for our Client, and you will be responsible for the implementation of solutions in accordance with business agreements, based on a strictly defined technology stack and standards.

Join us if you have:

• 5+ years of experience in Java programming;
• Solid understanding and experience in using Java 17 for software development;
• Strong knowledge of Spring Boot framework (3.2.x);
• Hands-on experience with Docker for creating and managing containerized applications;
• Proficiency in using Kubernetes for deploying, scaling, and managing containerized applications in a cloud environment;
• Strong knowledge of PostgreSQL, including schema design, query optimization, and performance tuning;
• Experience with Redis;
• Familiarity with OpenAPI (Swagger);
• Good understanding of REST API;
• Proficient understanding of code versioning tools (Git preferably);
• Knowledge of Webflux and Reactive Programming;
• Experience in direct client cooperation and a proactive approach;
• Fluency in Polish and English (B2+ level) to easily communicate with colleagues.

Nice to haves:

• Familiarity with the process of documenting architecture decisions using ADRs;
• Experience in designing and developing APIs with an API-first mindset;
• Knowledge and experience in developing both microservices and modular monolithic architectures;
• Ability to follow and implement general client technology standards.

We are looking for a Senior/Expert C Developer to join our team.

About the Project:
The project you will be working on are different tasks on the Vector Packet Processing (VPP) hosted at https://fd.io. The Fast Data Project (FD.io) is an open-source project aimed at providing the world's fastest and most secure networking data plane through VPP.
VPP implements a variety of key network routing, switching protocols, and crypto protocols. After you familiarize yourself with VPP, your assignments will consist of work on different customer requirements or our network functions (https://cdnf.io)

Responsibilities:

• Your job will involve working on prototype projects as well as products in computer networking.
• You will make sure that telcos, data centers, or ISPs stay up-to-date on the latest technologies and in the end, contribute to a faster, more efficient, and more interconnected world.
• You might also end up contributing to open-source projects and upholding principles of open coding and development.
• We require drive & a little perfectionism along the way – since we work on many open-source projects, anybody can have a look at your code, so make sure that you have something to be proud of.
• Our team of experts and seasoned veterans will make sure you are trained and prepared for these tasks. If you show skills in architecture, you can become an architect.

Requirements:

Education:

• Follow-up/Higher Professional Education;
• University education (Bachelor’s degree);
• University education (Master’s degree).

Required Skills:

• 5+ years of commercial experience as C Developer;
• Fluent in C so that you don’t need to google the syntax;
• Windows users are welcome, but be warned that life with us might bring some interesting challenges. We prefer Unix and Linux;
• We utilize SCRUM and talk to the clients world-wide on a daily basis, English communication is therefore essential;
• A clean criminal record is a must.

As a plus:

• Experience with sockets and networking is a plus;
• Experience with shells and Bash are nice to have;
• Knowledge of network and communication protocols, server settings and cloud systems management are a big advantage.

Language skills:

• English - Upper intermediate (B2).

We are extending our developer team and are looking for a German speaking Qt developer.
This is a full-time position (no remote work mode), now vacant, to be filled with immediate effect. Location is our modern office in the attractive and central district Maxvorstadt in central Munich.
A challenging and varied job role awaits you in a growing business. As a web developer you are part of a motivated and strong team with flat hierarchies and quick decision-making and enough space to realize your own ideas. As an equal member of the team you are very involved in the daily operations and take part in all relevant events and meetings.

Requirements for the Qt developer:

• 3+ years of commercial experience in software engineering.
• Strong skills in C++ and Qt, QML.
• Experience in agile development, with version control systems, with defect tracking systems (e.g., JIRA).
• Good knowledge of German language, English is considered as a plus.
• Good communication skills within the team and with customers.

The product is web-based high-performance full-cycled trading system. More info – after NDA.

Responsibilities:

• Develop solutions and algorithms according to technical specifications or other requirements documentation; use standard algorithms in the applicable cases.
• Structure and format the source code, comment and mark up the code, as well as name variables, functions, classes, data structures, and files according to the company conventions and industry best practices.
• Use version control systems to track code optimization progress, as well as to merge or split code entities. Commit changes according to version control rules.

Requirements:

• strong knowledge of main OOP principles;
• deep knowledge of C#, .NET;
• strong knowledge of HTTP (REST);
• strong knowledge of relational databases;
• experience with WebSocket;
• strong knowledge of Git.

Will be a plus:

• Understanding of microservice architecture of large applications;
• Docker, docker-compose;
• Experience with gRPC.

Technological stack of project: Docker, docker-compose, .NET, MySQL, JavaScript, TypeScript, API-gateway, Event-bus.

Responsibilities:

• Develop solutions and algorithms according to technical specifications or other requirements documentation; use standard algorithms in the applicable cases.
• Structure and format the source code, comment and mark up the code, as well as name variables, functions, classes, data structures, and files according to the company conventions and industry best practices.
• Use version control systems to track code optimization progress, as well as to merge or split code entities. Commit changes according to version control rules.

Requirements:

• Strong knowledge of main OOP principles;
• Deep knowledge of Javascript/Typescript, Node.js;
• Strong knowledge of HTTP (REST);
• Experience with Websocket;
• Strong knowledge of relational and NoSQL databases;
• Strong knowledge of Git;
• Ability to read other’s people code effectively and rapidly;
• Ability to develop high performance and scalable architecture.

Will be a plus:

• Experience in development trading systems;
• Docker, docker-compose;
• API-gateway.

Technological stack of project: Docker, docker-compose, JavaScript, TypeScript, Java.