Backend Developer (Node.js)

Summary

The international IT сompany Andersen invites a Backend Developer (Node.js) to join our dynamic and highly skilled professional team.

Andersen is a pre-IPO software development company providing a full cycle of services. For over 18 years, we have been helping enterprises and middle-sized firms worldwide transform their businesses by creating effective digital solutions using innovative technologies.

Our company operates across a global network of 18 development centers and offices, strategically located in North America, Western and Central Europe, the Middle East, and the Asia-Pacific region. With a strong team of over 3,500 highly skilled professionals, we combine deep domain expertise and advanced technical capabilities to consistently deliver exceptional results for our clients.

Responsibilities

• Designing, developing, and maintaining high-performance backend services using Node.js.
• Implementing streaming and event-driven architectures with Apache Kafka.
• Building and optimizing RESTful and GraphQL APIs for internal and external integrations.
• Developing data-intensive features with PostgreSQL, ensuring query optimization and reliability.
• Designing and supporting microservice architecture, including inter-service communication.
• Writing unit, integration, and load tests to ensure system reliability.
• Collaborating with DevOps and frontend teams to deliver scalable, production-ready systems.

Requirements

• Experience as a Software Developer for 3+ years.
• Commercial experience with Node.js (Nest.js / Express.js) for 2+ years.
• Solid understanding of JavaScript (ES6+) and asynchronous programming.
• Strong hands-on experience with PostgreSQL (schemas, indexing, query optimization, transactions).
• Practical experience integrating and maintaining Apache Kafka (producers/consumers, topics, partitions).
• Familiarity with microservice architecture and message-driven communication patterns.
• Experience implementing authentication/authorization (JWT, OAuth2).
• Understanding of TDD principles, writing tests with frameworks like Jest, Mocha, or Supertest.
• Proficiency with Git and experience in collaborative development workflows (PRs, code reviews).
• Level of English – from Intermediate+ and above.

Desired skills

• Experience with TypeScript in production.
• Hands-on experience with Redis, RabbitMQ, or NATS for caching and messaging.
• Knowledge of Docker and Kubernetes, CI/CD setup.
• Experience with AWS, GCP, or other cloud providers.
• Familiarity with event sourcing and CQRS patterns.
• Contribution to open-source backend tools or internal SDKs.

Reasons to join us

• Experience in teamwork with leaders in FinTech, Healthcare, Retail, Telecom, and others. Andersen cooperates with such businesses as Samsung, Siemens, Johnson & Johnson, BNP Paribas, Ryanair, Mercedes, TUI, Verivox, Allianz, T-Systems, etc..
• The opportunity to change the project and/or develop expertise in an interesting business domain.
• Job conditions – you can work both fully remotely and from the office or can choose a hybrid variant.
• Guarantee of professional, financial, and career growth! The company has introduced systems of mentoring and adaptation for each new employee.
• The opportunity to earn up to an additional 1,000 USD per month, depending on the level of expertise, which will be included in the annual bonus, by participating in the company's activities.
• Access to the corporate training portal, where the entire knowledge base of the company is collected and which is constantly updated.
• Bright corporate life (parties / pizza days / PlayStation / fruits / coffee / snacks / movies).
• Certification compensation (AWS, PMP, etc).
• Referral program.
• English courses.
• Private health insurance and compensation for sports activities.

Join us!