Senior Node.js Developer

Yalantis Limited; Warszawa; Remote; PLN 240,000 - 320,000; Full time

Job summary

A software engineering company is seeking an experienced Node.js Developer to join a motivated engineering team. The role involves developing high-performance backend services and integrating third-party APIs. Applicants should have over 4 years of Node.js experience, solid AWS knowledge, and self-management skills. The company offers medical insurance, professional development opportunities, and a flexible work environment.

Benefits

Medical insurance

Flexible work format

Sport reimbursement

Access to professional courses

Volunteering initiatives

Qualifications

• 4+ years of commercial experience with Node.js.
• Solid experience with Nest.js or Express.js.
• Strong knowledge of AWS services, especially serverless tools.
• Experience with DynamoDB.
• Ability to work with documentation and API specifications.
• Comfortable working with legacy code and extending existing solutions.

Responsibilities

• Develop and maintain scalable, high-performance backend services.
• Integrate third-party APIs, primarily POS and PMS systems.
• Extend and refine the existing MVP functionality.
• Work with AWS serverless architecture using CDK and Lambda.
• Ensure security, stability, and performance in production environments.
• Collaborate with stakeholders in CET timezone.

Skills

Node.js

AWS services (Lambda, APIGateway, Cognito)

Nest.js or Express.js

DynamoDB

API documentation and specifications

Legacy code management

Self-management and communication

Job description

Yalantis is a software engineering and IT consulting company in the outsourcing market. Our team has more than 500 specialists and continues to grow. Join and cooperate with us in Dnipro, Kyiv, Larnaca (Cyprus), Warsaw (Poland) and remotely from any city of Ukraine.

Weare looking for askilled Node.js Developer tojoin amotivated engineering team working onareferral marketing platform for boutique hotels.

Tech stack you’ll work with:

What you’ll do:

• Develop and maintain scalable, high-performance backend services.
• Integrate third-party APIs, primarily POS and PMS systems.
• Extend and refine the existing MVP functionality.
• Work with AWS serverless architecture using CDK and Lambda.
• Ensure security, stability, and performance in production environments.
• Collaborate with stakeholders in CET timezone, delivering features independently within agreed timelines.

What weexpect from you:

• 4+years of commercial experience with Node.js.
• Solid experience with Nest.js or Express.js.
• Strong knowledge of AWS services, especially serverless tools (Lambda, APIGateway, Cognito, CDK).
• Experience with DynamoDB.
• Ability to work with documentation and API specifications.
• Comfortable working with legacy code and extending existing solutions.
• Strong self-management and communication skills— you’ll be the only developer on the project.
• Professional growth: Individual development plan, mentorship, reimbursement for professional certifications and English lessons, access to professional courses in Corporate Learning Management System
• Community: Tech community and knowledge-sharing events, English speaking club, corporate library and book club, volunteering and charity initiatives
• Wellbeing: Medical insurance, regular medical check-ups, sport reimbursement, paid vacation and sick leave, mental health support and events
• Work environment: Fully-equipped offices, top‑notch equipment, flexible work format, activities both in-office and online, Y-bucks and access to the Yalantis store