Вакансии Node.js Developer

We are looking for a motivated Principal Full-Stack Developer to join our team and develop innovative projects. Ideally, you need to have a passion for programming, great soft skills, and perfect English.

Requirements

• 8+ years of experience in full-stack development, with a strong focus on modern web technologies.
• Proficiency in front-end frameworks like ReactJS
• Strong backend development skills using Node.js, Python, Django, or similar technologies.
• Experience with cloud platforms such as AWS, Azure, or Google Cloud.
• Solid understanding of database design and management (SQL, NoSQL).
• Experience with microservices architecture and API development (REST, GraphQL).
• Strong problem-solving skills and ability to make architectural decisions.
• Excellent communication and leadership skills, with experience mentoring developers.
• Familiarity with DevOps practices, CI/CD pipelines, and containerization (Docker, Kubernetes) is a plus.
• Bachelor's or Master’s degree in Computer Science, Engineering, or a related field.
• Advanced English level (written and spoken)

Responsibilities

• Lead the end-to-end development process, ensuring high-quality and timely delivery of software solutions.
• Design, develop, and maintain scalable web applications using modern front-end and back-end technologies such as ReactJS, Node.js, Python, Django, and Flask.
• Collaborate closely with designers, developers, and stakeholders to define requirements and develop technical solutions.
• Ensure best practices in software development, including code quality, testing, and security.
• Optimize applications for maximum performance, scalability, and responsiveness.
• Mentor and provide technical guidance to junior and mid-level developers.
• Participate in architectural decisions and contribute to the technical vision of the company.
• Stay up to date with the latest industry trends and emerging technologies.

Requirements:

• At least 1 year of professional experience with Node.js and React.js;
• Experience with MongoDB;
• Strong experience in creating adaptive and responsive layouts with HTML5 and CSS3, including pixel-perfect and flexbox layout techniques;
• Proficiency in using Git as a code versioning tool;
• Solid understanding of networking, DNS, and sockets;
• Experience with at least one CSS preprocessor (such as Stylus, Sass, Less, or SCSS) or PostCSS;
• Passion for continuous learning, with the ability to stay up-to-date with the latest technologies and incorporate them into your work;
• Excellent self-management skills, with a high level of autonomy;
• Strong critical thinking skills, with the ability to troubleshoot and solve problems independently;
• Excellent communication and collaboration skills.

Will be a plus:

• Experience with Phaser or Babylon.js;
• Experience with Next.js;
• Experience with containerization technologies, particularly Docker;
• Familiarity with Blockchain technology and its potential applications;
• Familiarity with CI/CD tools.

We are looking for a Middle Node.js Developer with deep expertise in backend development to join a team that builds innovative products in the IoT domain.
You will be part of a strong team of 25 engineers who have already delivered a range of ambitious solutions – from cloud platforms to scalable ecosystems for managing real-world devices.

Your skill set:

• 2+ years of experience in backend development using JavaScript (Node.js);
• Solid understanding of asynchronous programming and RESTful API development;
• Hands-on experience with databases such as MySQL, PostgreSQL, Percona, and MongoDB;
• Familiarity with message brokers and protocols, including MQTT, WebSockets, and HTTP;
• Experience using Docker and a solid grasp of container orchestration basics;
• Practical experience with version control systems (e.g., Git);
• Experience working with cloud providers such as DigitalOcean or Google Cloud Platform (GCP);
• Knowledge of CI/CD practices and tools, particularly GitLab CI/CD;
• Experience in supporting and maintaining production environments;
• Intermediate level of English.

Would be a plus:

• Prior experience or strong interest in the IoT domain;
• Familiarity with IoT protocols and standards such as Wi-Fi, Ethernet, MQTT, Modbus, Zigbee, and BLE;
• Experience with time-series databases like InfluxDB;
• Solid understanding of microservices architecture;
• Basic experience or foundational knowledge of embedded development (C/C++, ESP32/ESP8266, Arduino, ESP-IDF, PlatformIO).

Responsibilities:

• Develop robust backend solutions for IoT and related web applications;
• Collaborate with frontend developers, QA, and product managers to implement requirements;
• Maintain and optimize existing applications and databases;
• Participate in code reviews, contribute to the continuous improvement of code quality;
• Write and maintain technical documentation;
• Contribute to the continuous integration and deployment pipeline;
• Identify, debug, and resolve backend issues;
• Actively participate in team meetings and contribute to project planning and estimation.

We are seeking a talented, self-motivated Node.js Engineer to join our team and work on exciting projects in the financial services and blockchain domains.
As a key team member, you will foster collaboration, drive innovation, and play a pivotal role in advancing both team and company growth.

Required skills:

• At least 3 years of experience with Node.js development and related frameworks.
• Deep expertise in web applications and web technologies (HTML, CSS, etc.).
• Profound functional knowledge or hands-on design experience with web services.
• Expertise in software architecture, design patterns, and object-oriented programming.
• Strong affinity for emerging technologies like Progressive Web Apps and GraphQL.
• Solid understanding of cloud infrastructure, including pricing models and deployment models.
• Experience with both relational and NoSQL databases.
• Comprehensive knowledge of Agile methodologies like Scrum.
• Proven experience working in dynamic Agile environments.
• English proficiency at the B2 level or higher.

Responsibilities:

• Participate in defining the architecture of new cloud projects for a high-performance web presence with millions of hits.
• Work as a senior developer on large projects.
• Analyze and evaluate existing platforms and decide on their re-use in new products.
• Participate in the scoping, management, implementation, and optimization of projects.
• Champion the “Build-Measure-Learn” feedback loop.
• Keep the organization informed and updated on new and emerging cloud technologies.
• Collaborate in a team of software developers.
• Contribute to the lifecycle management of existing solutions.

Will be a plus:

• Crypto industry knowledge
• Experience with SaaS solutions.
• Experience with user management platforms.
• Experience in deploying analytics and using data insight.

The stack of the project:

• Node.js
• Firebase
• Kotlin
• Compose Multiplatform
• Firebase
• Ktor
• Koin
• Next.js
• SendGrid
• HTML, CSS
• Web services
• Object-oriented programming

Ми запрошуємо Senior Node.JS Engineer приєднатися до нашого Retention Acquisition Stream, який працює над високонавантаженими продуктами в рамках CRM (основний продуктовий сервіс), бонусами та новими маркетинговими рішеннями. Також Ви будете брати участь у підтримці існуючих сервісів та розробці нових.

Основні завдання:

• Створення нових функціональних можливостей, інтеграція нових систем та забезпечення відповідності вимогам продукту;
• Оптимізація та покращення існуючого коду відповідно до встановлених рекомендацій, забезпечення стабільності та продуктивності системи;
• Налаштування, оптимізація та моніторинг бази даних PostgreSQL для забезпечення високої продуктивності та надійності;
• Робота з RabbitMQ для забезпечення ефективної обробки повідомлень, вирішення проблем з чергами та повторними спробами;
• Написання та підтримка інтеграційних, модульних та E2E тестів, забезпечення високого тестового покриття, контроль якості коду та участь у процесах CI/CD.

Для нас важливо:

• Від 5 років практичного досвіду роботи з Node.js;
• Від 3 роки досвіду роботи з реляційними базами даних (PostgreSQL);
• Продемонстрований досвід розробки нових функцій та вдосконалення існуючих сервісів;
• Послідовне вдосконалення організації коду та дизайну додатків;
• Здатність наставляти та направляти членів команди;
• Досвід або здібності до прийняття архітектурних рішень та керівництва ініціативами з розробки;
• Сильні організаційні навички та здатність ефективно управляти декількома завданнями;
• Потенціал до лідерства в команді та управлінських обов'язків;
• Досвід вирішення складних проблем та надання ефективних рішень;
• Щонайменше 3 роки досвіду у впровадженні тестів (юніт, інтеграція, E2E);
• Щонайменше 2 роки практичного досвіду роботи з NestJS;
• Вміння налаштовувати та керувати брокерами повідомлень, такими як RabbitMQ;
• Знання механізмів кешування, таких як Redis;
• Знання специфікацій RestAPI та OpenAPI;
• Досвід роботи з Git flow для контролю версій;
• Володіння англійською мовою, зокрема для читання та написання технічної документації (рівень Upper-Intermediate).

About project:

Our client is a Time & Attendance startup. Our system allows us to ensure that employees follow the assigned schedule and track their time when they work out of the office.
Our team has been building the technical part of this product from the very beginning. We have already started working with companies with more than 1000 employees.
We make it easier and faster for HR, Managers, and employees to complete payroll and take the administrative headache so that our customers can focus on running their companies.
Since 2017 thousands of paying customers of all sizes – SMBs, Medium Enterprise & Government, from all the states in Brazil have benefited from the platform, and we’re just getting started.

Responsibilities:

• Extending the functionality of the existing API (Node.js).
• Designing and building new features (most likely on Node.js/Typescript/Nest but technology is negotiable).
• Improving performance and scalability.
• Preparing system for international expansion.

Requirements:

• Experience with Node.js;
• Experience in designing and developing scalable systems;
• Experience in relational databases, ex. PostgreSQL;
• Strong knowledge of JavaScript. Experience with Typescript would be a plus;
• Message brokers;
• Experience with Docker;
• Upper Intermediate English.

‍Nice to have:

• Experience working with Kubernetes;
• GCP, Prometheus, Grafana;
• Experience with writing unit and integration tests with focus on effectiveness and not coverage;
• Experience with non-relational databases: Neo4j, Druid, Kafka, Redis;
• Basic Linux system administration;
• Would be great: Experience with Temporal;
• Experience with CI/CD pipelines, most likely GitHub Actions.

We are looking for a Backend Developer to become a part of our team. If you have a desire to work on an interesting project with developers all over the world, we are waiting for your CV.

Tech stack: Node.js, JS, SQL (PostgreSQL), Redis, AWS, Firebase

You will:

• Develop from scratch the architecture and complex parts of backend projects for mobile and web applications;
• Setting up development, staging, production environment; Communicate with customers.

You fit well If you have:

• Experience with Node.js (Express or Adonis), SQL (PostgreSQL), non-SQL (mongo), third-party APIs: mail, push-notifications, sockets, payment integration - 3+ years;
• Advanced understanding of async operations, and error handling;
• Basic DevOps skills;
• Experience designing databases from scratch, finding and fixing performance bottlenecks;
• Knowledge of SOLID, Design Patterns and Best Practices;
• English level - Intermediate.

Soft skills:

• Proactivity;
• Great communication skills.

We are searching for a skilled and enthusiastic person to join our international team. You will be part of a team developing products for US companies. We specialize in web hosting companies. As a software engineer you will participate in the whole product development process. Phobosys offers solutions for any stage of the product life cycle.

Responsibilities:

• Conduct project design reviews and code reviews.
• Analyze and estimate implementation efforts.
• Be a technical mentor for less experienced team members.
• Report to PM about current tasks, status, technical, and other risks.

Required skills:

• Skills in front-end engineering using JavaScript in Object-Oriented meter;
• Libraries and micro frameworks (Angular, Vue, React);
• Skills at back-end engineering (node.js, python or any other);
• Experience in virtualization technologies like docker;
• Experience in front-end and back-end code performance analysis;
• Experience with microservice architecture;
• Advanced written and spoken communication skills in English.

As a plus:

• Skills in architecting microservices systems;
• Experience in orchestration (Terraform, Kubernetes).

We are looking for a Full-Stack Developer to join our Product Team and contribute to the development of Composer Online.
Composer Online is a powerful tool designed for fast and easy HTML template creation, enabling users to build professional marketing materials, reports, brochures, and other business documents with dynamic data – without requiring developer or designer involvement.
As a Developer of our Composer Online team, our new team member will work on enhancing the platform’s functionality, ensuring seamless user experience, and optimizing performance. The ideal candidate has experience with our technology stack and a strong background in full-stack development, including front-end and back-end technologies, API integrations, and scalable architectures.
We value best practices in code review, DevOps, continuous integration and delivery (CI/CD), and expect a proactive approach to improving software quality.
Technology stack: Node.js (Express, NestJS), JavaScript, Vue.js, TypeScript, GrapesJS, Docker, Kubernetes, Git, MongoDB, Swagger, Kibana, Azure Web Services, REST, Azure DevOps, Puppeteer
Project team: 4 Developers, 2 QAs, DevOps, Business Analyst, Project Manager, Scrum Master, UI/UX Designer

Requirements:

• 4+ years of commercial experience with front-end development using Vue.js both versions (2 and 3)
• 2+ years of commercial experience with back-end development using Node JS
• Experience with Typescript
• Experience with Express.js
• CI/CD processes experience
• Knowledge of Unit Testing frameworks
• Experience with Azure Cloud services (Function Apps, BLOB storage, Service Bus). AWS or other cloud exp. can be sufficient as well

Would be a plus:

• Experience with microservice architecture
• Experience with Nest.js
• Experience with Google maps javascript API
• Experience with integrations with LLMs (OpenAI ChatGPT, Antrophic Claude or similar)

Responsibilities:

• Development of new functionality and features for our project;
• Maintaining the stability, maintainability and performance of existing Web App;
• Constantly reviewing the necessary updates of the system and it’s dependencies;
• Develop production-ready software, Vue.js;
• Follow established development practices and processes;
• Coordinate with team and business analysts to determine functionalities and conduct an analysis of business requirements;
• Coordinate with Technical team and Solution Architect to determine technical roadmap for Web part and conduct an analysis of non-functional requirements;
• Create and update technical documentation;
• Investigate the cause of system issues and provide solutions;
• Cover code with tests;
• Collaborate with team members;
• Take part in code reviews;
• Taking part in project evolution and architectural decision-making process;