Вакансии Backend Developer

We are looking for skilled Python developers. It doesn’t matter where you work from – Ukraine, Europe, or another region.
Our main backend direction is Python combined with multiple frameworks (Django and FastAPI are the primary ones). In frontend development, we mostly use ReactJS.

Required skills:

• Experience with Django web framework;
• Experience with FastAPI;
• Experience with IaaS and PaaS;
• Experience with relational databases (non-relational databases will be an advantage);
• Experience with the creation and use of RESTful APIs;
• Solid experience with version control systems (Git);
• Knowledge of Docker is preferable;
• Understanding of object-oriented programming principles;
• Basic knowledge of unit tests creation principles;
• Knowledge of UNIX systems;
• Upper-Intermediate (B2);
• Experienced PC user :)

Обов'язки:

• Participation in internal processes improvement.
• Participation in interviews, certifications;
• Research of new technologies/complex components/non-standard APIs;
• Decomposition of complex parts of the project and their development;
• Consultations, training and mentoring;
• Quality control of performed work (code review, tests);
• Choice of technologies, project estimation in the context of certain technologies.

Що необхiдно мати:

• Strong knowledge of Node.js 14+ (at least 3 years), experience in complex projects development using Express.js.

Знання та Досвiд:

• Experience in Docker configuration;
• English level starting from intermediate;
• Ability to effectively manage own working time;
• Understanding and practical use of SOLID, DRY, KISS, YAGNI, GRASP;
• Working practice with 3rd party APIs and services;
• Good knowledge of databases (PostgreSQL, MySQL or MongoDB);
• Strong theoretical knowledge (and practical experience) of OOP, patterns and data manipulation;
• Strong theoretical knowledge of how Internet works.

Буде чудово, якщо ви також маєте:

• Experience with Nest.js.

We are seeking an experienced Senior .NET Developer to join our team and contribute to the development of innovative project and portfolio management solutions. This role focuses on designing, developing, and optimizing software systems that help organizations streamline workflows and achieve operational excellence.

Key Responsibilities:

• Develop, maintain, and enhance software applications using .NET Core, C#, and related technologies.
• Collaborate with cross-functional teams to gather requirements, define technical solutions, and implement features.
• Design and implement APIs and integrations to ensure seamless communication between systems.
• Optimize application performance, ensuring scalability and reliability.
• Participate in code reviews, testing, and deployment processes to maintain high-quality standards.
• Debug and resolve software issues, delivering efficient and effective solutions.
• Contribute to architectural decisions and best practices to support the long-term goals of the platform.

Requirements:

• 5+ years of experience in software development with a strong focus on .NET technologies.
• Proficiency in C#, .NET Core, and ASP.NET frameworks.
• Experience with relational databases, such as SQL Server or PostgreSQL.
• Familiarity with front-end frameworks like React or Angular is a plus.
• Solid understanding of RESTful API development and integration.
• Knowledge of cloud platforms (e.g., Azure, AWS) and deployment pipelines.
• Strong problem-solving skills and attention to detail.
• Excellent communication skills and the ability to work collaboratively in a team environment.

The company is in a period of growth and is looking to hire a Backend Developer interested in growing with us. We put great emphasis on your personal characteristics and are looking for a highly motivated team player that thrives in a dynamic and collaborative environment. Moreover, we trust you to be an enthusiastic, humble and sociable person who will contribute to maintain the positive and stimulating atmosphere that characterises Gaming Corps.

Duties and Responsibilities:

• Work closely with the development team as we build new features, functionality and applications to continue our growth.
• Help your team decide what technologies to use. Every engineer can propose better ways of doing things.
• Build tools to reduce occurrences of errors and improve customer experience.
• Write reusable, testable, and efficient code with security and efficiency in mind.
• Collaborate with other team members and stakeholders.
• Develop visioning skills and ability to see the big picture.
• Integrate and collaborate with existing IT systems to solve complex business solutions.

Skills & Requirements:

• Minimum of 1 year professional experience in backend development;
• Minimum of 1 year professional experience working with Node.js and Typescript;
• Previous experience working with PHP is considered a plus;
• Experience in iGaming is considered a plus;
• Attentive to detail and takes great pride in your work, you care what the end-user thinks of what you have done;
• Passionate and consistently reads and collaborates with others to stay up to date with the latest best practices;
• Relevant education/series of hobby projects to showcase your skills will be considered a plus;
• Self-starter with a "can-do" attitude who works well within a fast-paced environment;
• Team player, bringing energy and positivity to our awesome team;
• Fluent in English;
• Highly organised and structured.

Шукаємо PHP розробника для роботи з big data проектом на базі власного продукту.

Обов'язки:

• Розробка CRM-системи для міжнародної retail-компанії на базі власної платформи компанії;
• Підготовка пропозицій щодо оптимізації коду системи;
• Розробка архітектурних рішень і їх впровадження на практиці;
• Участь в процесі розвитку внутрішнього продукту компанії, впровадження покращень коду та функціоналу.

Вимоги:

• Досвід комерційної розробки сервісів і продуктів не менше 2-х років;
• Робота з REST API;
• Досвід роботи з docker;
• Знання хоча б одного з фреймворків - Yii2, Laravel, Symfony;
• Досвід роботи в команді;
• Досвід побудови архітектуру сервісу з нуля;
• Бажано досвід роботи з масштабними базами даних (1 000 000 000+ записів);
• Досвід S2S інтеграції з 3rd party applications.

Додатково буде плюсом:

• Увага до дрібниць;
• Досвід налаштування nginx;
• Досвід роботи з інфраструктурою і сервісами AWS;
• Досвід роботи з redis;
• Внутрішній перфекціонізм.

We are looking for a  BackEnd .Net Developer to develop the core of the business process platform. Our team focuses on delivering a scalable and customizable platform that enables organizations to automate workflows, optimize operations, and foster innovation. The platform's robust architecture allows for rapid adaptation to evolving business needs.

Your responsibilities: 

• designing, coding, testing, and debugging software according to specifications and requirements;
• collaborating with stakeholders, and product managers;
• building CI/CD pipelines;
• creating web services and API;
• conducting unit tests, integration tests, and system tests;
• participate in scrum team activities.

Requirements:

• 5+ years of overall programming experience, strongly focusing on .Net.;
• knowledge of OOP, C#, and .NET;
• EntityFramework, WebAPI, ASP.NET MVC, ASP.NET Core, NUnit, Mock;
• DOM, CSS/SASS;
• experience working with databases (MS SQL Server, PostgreSQL, Oracle);
• English level – Upper-Intermediate(spoken and business writing) or higher.

Nice to have:

• JavaScript/Angular2+;

Preferred Qualifications: 

• experience in using and creating customization for the Creatio platform;
• experience communicating with both technical and business audiences.

WANTED an experienced software developer who will write software applications to compete on a global scale.
We have a very short design-to-test-to-production cycle and almost instant feedback from the financial market. A single row of your code will be impactful. You will work in a small but cheerful team of developers, quantitative researchers and business operations. The ideal candidate can have the tasks done as well as be initiative. It is the job for you if you want to see the results of what you do and you are eager to influence the process.

Tasks:

• Designing and building a resilient trading system that competes with other global leaders.
• Writing good robust code in Golang (Linux).
• Monitoring the technical performance of the trading system.

Qualifications:

• Golang;
• C++;
• Amazon WS;
• Docker;
• A good command of GO or C++ or Java/Scala or C# or Rust;
• Experience with investment/trading technology and/or high performance low latency systems;
• Knowledge of Python 3 a plus;
• Experience with Docker containers, designing & implementing distributed service-based applications, and/or REST & WebSockets is a plus, too.

We are looking for a Backend Developer to join our team, who will work in tandem with the Product and Business teams to craft sophisticated solutions for business challenges, providing an array of technical approaches, design concepts, prototypes, and detailed technical plans. Take on the responsibility of estimating the effort required for various tasks, user stories, and large-scale epics. Play a pivotal role in leading and mentoring junior developers, fostering an environment of continuous learning and development, and assisting in the integration of new developers into the team. Engage in and lead technical discussions, disseminating knowledge and best practices, and exerting influence over critical technical decisions such as processes, design patterns, and overall system architecture.

Responsibilities:

• Implementation of new functionality in the Node.js runtime.
• Integration of third-party services and support of existing ones.
• Provide accurate project estimates and validate the estimates of team members, contributing to effective project planning and execution.
• Actively engage in developing architecture, approaches, etc.
• Conduct code reviews and share knowledge with the team.
• Managing AWS or similar strict cloud-oriented infrastructures.

Requirements:

• At least 5+ years of experience in Node.js runtime, SQL/noSQL and cloud technologies;
• English B2+;
• Teamwork experience;
• Experience with monolith and microservices architectures;
• In-depth knowledge of the Javascript/Typescript, including streaming, error handling etc.;
• Understanding the functionality of message brokers, especially Apache Kafka, RabbitMQ, etc.;
• Familiarity with serverless architecture and cloud-native development patterns;
• Strong understanding of AWS and/or GCP platform services or similar clouds;
• Knowledge in REST, gRPC, SOAP, GraphQL architectures, may include some custom solutions;
• Familiarity with Kubernetes, Docker, etc.;
• Excellent knowledge of SOLID (SRP, OCP, LSP, ISP, DIP), DRY, SLAP, KISS;
• Familiarity with Agile methodologies, such as Scrum, Kanban;
• Experience with RDBMS like PostgreSQL, MySQL, SQLite, MariaDB;
• Experience with NoSQL like Redis, Memcached;
• Experience with ORM/ODM libraries;
• Practical experience in basic CI/CD configuring;
• Strong knowledge of UNIX-based OS;
• Experience with OAuth 2.0;
• Understanding features of Express, Koa, Nest, and their differences;
• Deep understanding of testing and experience in testing frameworks.

Nice to have:

• Experience with languages other than the JS/TS;
• Reference from a previous employer;
• Share public links from the successful project you were engaged in;
• Experience with mentoring and training junior developers;
• Experience in developing open-source projects;
• Links to public profiles on GitHub, LinkedIn, Djinni, etc.

We are looking for a Senior Java Engineer based in Europe to join our team.

Project Description:

We are unveiling the intricacies of the largest financial market in the world: structured finance. This $16+ trillion market serves as the foundation for essential activities that promote financial freedom, such as consolidating credit card debt, refinancing student loans, purchasing homes, and launching small businesses.
Our data analytics platform delivers exceptional transparency into investment performance and risk for lenders and Wall Street investors involved in structured products. As a data-driven organization, we effectively manage critical loan data and develop modern analytical tools that empower strategic decision-making for responsible lending. In essence, we are committed to preventing a recurrence of the 2008 global financial crisis by providing the data and tools necessary for informed, data-driven decisions, contributing to a safer financial landscape for everyone.

Job Responsibilities:

• Resolve bugs to enhance system reliability and performance.
• Suggest and implement improvements to optimize processes and efficiency.
• Deliver clean, maintainable code adhering to industry best practices.
• Provide mentorship to junior developers, fostering skill development and knowledge sharing.
• Collaborate with cross-functional teams to scale data ingestion, storage, and access for new product launches.

Main Requirements:

• 10+ years of experience, with the ability to code, lead, understand complex systems, and mentor others.
• Strong proficiency in Java.
• Familiarity with Spring Boot framework.
• Experience with distributed systems is a must.
• Excellent communication skills and capability to collaborate effectively.

Good to have:

• Familiarity with Scala.
• Experience with Kafka.
• Kotlin, Systems Design.