Вакансии Node.js Developer

We are a global IT consulting and development company with a We Care attitude, striving to create momentum in our clients’ digital transformation.
We value initiative, open communication and self-motivated commitment rather than compliance and box-ticking, and are looking for like-minded individuals who share our passion about doing great new things together. Join our friendly team as a Full-stack Engineer (Node.js)!

Your responsibilities:

• Design, build, and deliver highly scalable, distributed, and event-driven systems utilizing asynchronous technologies, caching protocols, databases, and Amazon Web Services (AWS).
• Build and release products that influence and improve the experience of millions of users worldwide, ensuring high-performance and consistency.
• Deliver critical and flexible APIs that empower stakeholders and support feature delivery across platforms.
• Collaborate with cross-functional teams including Big Data Engineers, DBAs, Operations, and Product Managers to provide data solutions that align with both product and technical requirements.
• Ensure system scalability and reliability while contributing to the development of user-focused features, enhancing the overall quality and experience for end-users.
• Work on complex, impactful problems in a collaborative, close-knit, fast-paced agile team that prioritizes quality, peer review, and continuous improvement.

Our expectations:

• 5+ years overall production experience in web development.
• 3+ years of experience developing backend applications using Node.js, including writing clean, efficient, and maintainable code.
• 3+ years of experience in designing and implementing RESTful APIs using JSON, ensuring reliability and performance.
• 3+ years of experience with NoSQL databases such as Redis or DynamoDB for managing large-scale, high-availability data.
• 3+ years of experience working with relational databases (e.g., MySQL, PostgreSQL) for efficient data storage and querying.
• 2+ years of experience in writing frontend JavaScript, ensuring a seamless user experience and effective integration with backend systems.
• 2+ years of experience working with event-driven architectures using tools like RabbitMQ or Kafka to build scalable and asynchronous systems.
• Proficiency with version control systems and code review tools such as GitHub, Gerrit, or BitBucket for collaboration and code management.
• Strong understanding of building scalable, resilient, and observable distributed systems, with a focus on high performance and fault tolerance.
• Experience with writing and maintaining unit tests for ensuring code reliability, functionality.
• Excellent communication and interpersonal skills.
• Upper-Intermediate English level.

Nice to have:

• Hands-on experience with CI/CD platforms such as Jenkins for automating deployment and testing processes.
• Previous experience working with Amazon Web Services (AWS), including services like EC2, Fargate, Elasticache, RDS, DynamoDB, and S3 for cloud-based deployment and infrastructure management.
• Familiarity with building React-based applications and proficiency in DOM manipulation, HTML, and CSS to create dynamic and responsive user interfaces.
• Experience with production-level support, including participation in technical on-call rotations to troubleshoot and resolve issues in real-time.
• Proficiency in Java or other Object-Oriented programming languages to bring additional versatility to the team.

Our client is a dynamic and rapidly growing EdTech company based in Chicago, revolutionizing the education sector by providing affordable and effective digital instructional resources. Partnering with over 600 publishers and 1,900 campuses nationwide, they deliver an innovative, end-to-end software platform to distribute these materials to students and instructors seamlessly. Their mission directly impacts the success of millions of university students.

Project Description:

The Full Stack Developer will be responsible for developing and maintaining scalable and secure web and mobile applications. Using TypeScript, Node.js, React, and React Native, the engineer will ensure seamless integration of front-end and back-end components. Collaboration with cross-functional teams and leveraging agile methodologies will be essential to delivering high-quality, performant, and maintainable solutions for the education technology domain.

What You'll Do:

• Develop and maintain full-stack applications, integrating front-end (React, React Native) and back-end (Node.js) components;
• Design and implement scalable APIs and web services to support dynamic web and mobile applications;
• Collaborate with product managers, designers, and engineers to define and implement technical solutions based on business requirements and user needs;
• Ensure application performance, security, and responsiveness through efficient coding, testing, and debugging;
• Write and maintain unit, integration, and end-to-end tests to ensure software quality and prevent regressions;
• Review code from other engineers, providing feedback to ensure best practices and adherence to project standards;
• Contribute to documentation or educational content, updating it based on product updates and user feedback;
• Debug and resolve production and system issues by analyzing root causes and their impact on service operations and quality.

Job Requirements:

• 6+ years of experience with TypeScript, JavaScript, and related frameworks such as React, React Native, and Node.js, with well-rounded experience in building full-stack applications;
• 2+ years of experience in front-end web development;
• 2+ years of experience in mobile development;
• 2+ years of experience in back-end development;
• Experience with relational databases (e.g., PostgreSQL) and ORM tools;
• Proven track record of building successful full-stack applications, products, or platforms;
• Strong problem-solving skills, with the ability to work in a collaborative team environment;
• Excellent communication skills and experience working in agile or cross-functional teams;
• Self-directed, highly motivated, and passionate about the mission of the organization;
• Proficiency in English from B1, both written and verbal.

Our client is a global leader in flexible advertising solutions, providing advertisers, agencies, publishers, and broadcasters with advanced tools to utilize data and TV advertising effectively. Their unified technology stack includes a demand-side platform (DSP), supply-side platform (SSP), and a robust data platform at its core. With a commitment to customer-centricity, curiosity, and collaboration, the company is transforming advertising through creative and flexible solutions.

Project Description:

The project is focused on building next-generation data privacy and governance services, ensuring compliance with global ad-tech regulations like CCPA and GDPR. The role involves designing and implementing a privacy-focused API layer, integrating OneTrust into backend systems, and enabling actionable insights for compliance.

What You'll Do:

• Develop and maintain scalable Node.js applications focused on privacy and data governance;
• Design and implement web APIs to integrate OneTrust into backend systems;
• Collaborate with cross-functional teams to align on privacy requirements and deliverables;
• Work with relational databases like MySQL to store and manage privacy-related data;
• Implement queueing and messaging systems such as Kafka to support data flows;
• Ensure backend infrastructure reliability and scalability within Kubernetes environments;
• Monitor and troubleshoot performance issues to maintain system efficiency;
• Stay updated on evolving privacy regulations and technologies to adapt solutions as needed;
• Collaborate with US-based partners, with occasional evening calls required.

Job Requirements:

• 3+ years of programming experience with a strong background in Node.js development (Nest.js experience preferred);
• Proven expertise in building and working with web APIs;
• Hands-on experience with relational databases like MySQL;
• Familiarity with queueing and messaging systems such as Kafka;
• Knowledge of containerized environments and orchestration tools, particularly Kubernetes;
• Fluent conversational English at B1 or higher for effective team communication;
• Proactive and collaborative mindset, ready to tackle complex privacy challenges in the ad-tech domain.

Про проєкт:

Запрошуємо Node.js/React розробників із досвідом у ролі тімліда долучитися до нашого проекту – сервісу, який широко затребуваний серед системних адміністраторів середніх і великих компаній, адже в рази спрощує і автоматизує збір, аналіз та модифікацію даних Active Directory. Команда працює над масштабною задачею – розробкою додатку для одночасної роботи з On-prem Active Directory та Azure Active Directory. Проект складається як з веб-частини на найновіших версіях використаних технологій, так і з десктоп додатку, котрий встановлено на Windows Server в локальній мережі користувачів.

Стек технологій проекту: Node.js, React, Redux, ASP.NET, інтеграції з Azure Active Directory, Microsoft Graph API, On-prem Active Directory.

Обов’язки на проєкті:

• Розробка функцій програмної системи.
• Фасилітація команди – організація та проведення групових зустрічей по проекту у потрібному напрямі.
• Аналіз та декомпозиція задач.
• Глобальне планування, яке стосується цілей проекту, ітерацій, релізів.
• Періодичні code review, що стосується масивних задач та складних технічних рішень.
• Допомога членам команди у разі необхідності.
• Підтримка команди, мотивація, підтримка атмосфери.
• Зрощування команди.

Вимоги до кандидатів:

• Досвід роботи від 3 років;
• Досвід координації команди розробки;
• Досвід роботи з веб-сервісами на Node.js;
• Досвід інтеграції із front-end фреймворками (у пріоритеті React);
• Англійська – Intermediate+ спілкування голосом та переписка із замовником з UK.

We invite you to join our international team to implement innovative projects and contribute to the future of live entertainment and competitive gaming.

About the Project:

AimLab is an innovative platform with a combination of cutting-edge tracking technologies and analytics with artificial intelligence and machine learning for gamers of all levels: from casual players to e-sportsmen. It was designed to help gamers to determine their strengths and weaknesses and adapt the system accordingly to optimize training gains.
Currently, the platform is used by over 8 million players around the globe. We are also the official training partner of several biggest e-sports games.
Our extension will be integrated with different gaming platforms like Steam and PlayFab, data science and analytics (Snowflake and Databricks), and will work with live streaming services (like Twitch and Youtube).

Responsibilities:

• Lead a team of frontend and back-end developers.
• Commencing code reviews.
• Mentoring of mid and junior level engineers as they join the growing team.
• Extending the existing platform backend API with new features.
• Development of the Twitch extensions, along with the extension backend service.
• Ongoing support and optimization/refactoring of the existing platform backend systems.
• Implementing high-quality UI according to provided designs.
• Integration with an existing third-party systems (OAuth, GraphQL).
• Writing unit tests.
• Creating and maintaining technical documentation.
• Communicate with stakeholders and other developers in the international team (explanation of technical questions and requirements).

Required skills & experience:

• 5+ years of commercial software development experience;
• At least 4 years of Node.js experience;
• Solid working knowledge of Next.js and React;
• Strong programming skills of JavaScript & TypeScript;
• Experience with unit tests.
• Understanding of network operations/protocols, experience with sockets/websockets;
• Good debugging skills;
• Solid working knowledge of SQL databases;
• Knowledge of Linux, shell command-line and scripts;
• Experience with the Cloud Computing & Databases, preferably AWS;
• Thorough experience of RESTful service design, API design and best practices for building resilient and maintainable distributed systems;
• Ability to work in high availability mode (required due to covid-19 and remote work);
• Intermediate level of English is required for communication inside the international team.

Will be a plus:

• Working knowledge of Vue.js;
• Knowledge of WebOps deployment and management of servers;
• General knowledge of RabbitMQ and Kubernetes;
• Working knowledge of Docker and MongoDB;
• Experience with other backend development language;
• Analytical thinking skills.

A dynamically growing Slovak company is currently looking for a Senior Full Stack Engineer for long-term cooperation on products, which are already used by more than 4 000 000 users across the globe, including such companies as Apple, Cisco, BMW, and NASA. Direct cooperation.

Responsibilities:

• Delivering high-quality solution (code) for assigned Epics, tasks, and bugs.
• Testing and analyzing for edge-cases.
• Having very high-level coding standards.
• Breaking the complex problems into smaller, manageable tasks.
• Analyzing the problem and finding the best solution.
• Splitting the solution into separate tasks that make sense for better planning and estimations.
• Managing your workflow and informing about your progress.
• Informing DEV managers if there are any issues, blockers, or unexpected problems.
• Cooperation with PO & DEV lead(s) to achieve your main mission.
• Helping with architectural decisions.
• Helping with a technical feasibility analysis of new features.

Required skills:

Must have (advanced level or more):

• 5+ years experience in software development;
• Experience with Node.js;
• Experience with Modern JS (TypeScript, ES6/7, reactJS);
• Experience with Relational DBs → MySQL, PostgreSQL, MariaDB;
• Experience with NoSQL DBs → MongoDB, Redis;
• Experience with Git.

Good to have (intermediate level or more):

• Experience with PHP, Ruby, Go, Rust, or others besides Node.js;
• Experience with AWS SDK (S3, Glacier, etc.).

Nice to have (basic level or more):

• Message queues → RabbitMQ;
• TimescaleDB, ElasticSearch, or other specialized DBS;
• Networking (DNS, IP, HTTPS, routing, etc.);
• Apache Spark or other big data platforms;
• DigitalOcean, Hetzner, GCP, Microsoft Azure, or other clouds.

We are looking for a Node Engineer to work with our client – an American company offering a Cloud-Native DevOps Platform designed for modern applications. The platform aims to help DevOps teams organize and automate processes, tools, and people across various k8s environments.

Your main responsibilities for this position will be:

• Working on new features.
• Planning architecture with the rest of the team.
• Taking part in daily meetings with the team and the Customer.
• Documenting features.

Requirements

• 4+ years of commercial experience with Node.
• Practice with Kubernetes.
• Knowledge of GraphQL.
• Experience with Typescript.‍

‍It would be nice if you have:

• Knowledge of tools like Crossplane, SealedSecrets, Trivy, and GitHub Actions.

Responsibilities:

• Development of web solutions;
• Participation in the creation of project architecture;
• Participation in the preparation of technical specifications and functional descriptions;
• Use modern technologies and implement the best solutions in terms of efficiency and reliability;
• Collaborate with team and customers members to achieve the goals
• Proactively participate in improvements of existing solutions.

Requirements:

• 3+ years of experience as a JS Developer;
• Experienced with React, Node.js and Next.js;
• Experienced with NoSQL Databases (MongoDB, DynamoDB, etc.), SQL databases;
• Experienced with Git;
• Strong knowledge of Redux, MobX or other state management frameworks;
• Understanding of REST APIs;
• Analytical problem-solving abilities;
• Ability to effectively organize and perform tasks;
• Ability to work both independently and in a team-oriented, collaborative environment;
• Intermediate spoken and written English level.

Nice to have:

• Experienced with online payments integration;
• Experienced with Elasticsearch or other search technologies;
• Experienced with creating project architecture;
• Knowledge of AWS Microservice environment/development;
• Understanding of microservices architecture development (Docker, Kubernetes).

Requirements:

• 1+ year of experience in full-stack development with proficiency in Node.js (Express, NestJS) and React (including JSX/TSX, hooks, and context).
• Solid understanding of databases (PostgreSQL and MongoDB).
• Familiarity with state management using Redux (RTK)
• Experience in building responsive layouts and familiarity with REST APIs and WebSockets.
• Experience with Git for version control.
• Basic knowledge of cloud providers (AWS, GCP, Azure).
• Understanding of security best practices.
• Proficiency in TypeScript.
• Strong team collaboration skills.
• You have the ability to task juggle and a good sense of prioritizing.
• Intermediate or higher level of English for collaboration with international teams.

As a plus:

• Experience with Modern AI API implementation
• Blockchain integration (wallet connect, etc.)