Senior Node.js Backend Developer

New

Skills

AWS Docker Express.js Github Actions GraphQL JWT MongoDB Nestjs Node.js OAuth PostgreSQL Rest Api Restful Apis TypeScript

Join our dynamic team as a Senior Backend Developer specializing in Node.js. Work remotely or in a hybrid/onsite model within the Polish time zone, collaborating with US-based clients across diverse industries such as FinTech, SportsTech, and MedTech. You'll contribute to innovative startup projects in their early stages, leveraging a modern tech stack and best engineering practices. We offer competitive compensation, learning and health budgets, mentoring, and a value-driven workplace focused on personal and professional growth.

Key Responsibilities
  • Write clear, maintainable, and scalable JavaScript/TypeScript code using OOP principles.
  • Document delivered code and database structures.
  • Design and modify database structures and support architectural decisions.
  • Communicate technical solutions and propose alternative approaches to clients and team members.
  • Act as a technical leader by staying updated with backend trends, sharing knowledge, and conducting peer code reviews.
Required Skills & Qualifications
  • 4+ years of commercial experience in Node.js development.
  • Expertise in at least one Node.js backend framework (Express.js, NestJS, Fastify, etc.).
  • Proficiency with TypeScript, REST API development, and familiarity with GraphQL.
  • Experience with SQL and NoSQL databases, using ORM or query builders (e.g., Prisma, Knex).
  • Working knowledge of AWS services (S3, Cognito, SNS, SQS) and Docker.
  • Understanding of SOLID and KISS principles, design and architecture patterns.
  • Basic DevOps skills and familiarity with GitHub Actions.
  • English (B2/C1) and Polish (C1) proficiency for effective communication.
  • Open-minded, adaptable, and able to prioritize high-quality outcomes under tight timelines.
  • Strong client relationship management and mentoring abilities.

No forms. Your profile is generated instantly.

Job Type: Remote

Salary: Not Disclosed

Experience: Entry

Duration: 12.0 Months

Share this job:

Similar Jobs

Senior Full Stack Engineer

Posted 55 days ago

Develop and maintain full stack web and mobile applications.

Implement and automate robust backend API services.

Angular API Design AWS CI/CD

Senior Full Stack Engineer (ASP.NET Core, AWS)

Posted 55 days ago

Design and develop user-facing backend services and web applications.

Collaborate effectively with team members and stakeholders.

AWS Engineer Full stack Git

Software Engineer at Acquia

Posted 55 days ago

Develop and maintain customer-facing applications and microservices on Kubernetes

Collaborate with cross-functional teams to document product and development details

Ansible AWS Devops Engineer

Principal AI Engineer Role

Posted 55 days ago

Hire a remote Principal AI Engineer

Develop customer experience automation solutions

Ai Automation AWS Cloud Computing

Remote Senior iOS Engineer

Posted 55 days ago

Remote full-time iOS engineering role

Develop customer-focused mobile applications

Agile Methodologies Engineer Git iOS

Affirm Senior Backend Engineer

Posted 55 days ago

Lead a team of engineers through ambiguity to solve problems

Collaborate with various stakeholders in product development

Android AWS Code Review Distributed systems

Software Engineer II, Backend

Posted 55 days ago

Develop backend systems for credit decisioning.

Collaborate with team members and stakeholders.

Android AWS Backend Systems Code Review

Staff Frontend Developer Role

Posted 55 days ago

Recruit experienced frontend developer

Offer fully remote work in Canada

Css3 Git Html5 JavaScript

Senior React Frontend Developer

Posted 55 days ago

Hire a senior-level React developer

Enhance client reporting platform

Babel Css Css3 Git

Senior Software Engineer - AI/ML

Posted 55 days ago

Drive development of AI/ML features in ClickHouse Cloud

Create APIs connecting database capabilities with AI/ML systems

API Design Cloud Technologies Database Systems JavaScript

Senior Software Engineer (TypeScript) - AI/ML

Posted 55 days ago

Develop AI/ML-powered features in ClickHouse Cloud

Bridge gap between high-performance database technology and AI capabilities

API Design Database Systems JavaScript React

Forward Deployed Software Engineer (Data)

Posted 55 days ago

Leading the technical implementation of AI-driven data solutions

Translating customer needs into technical requirements

AWS Communication Skills Engineer Microsoft Azure

Forward Deployed Software Engineer

Posted 55 days ago

Lead technical implementation and optimization of data platform

Serve as primary technical contact for key accounts

Airflow AWS Databricks Engineer

Staff AI Backend Engineer

Posted 55 days ago

Architect and maintain high-performance backend infrastructure

Integrate advanced AI and LLM technologies into data workflows

AWS Docker Engineer FastAPI

Staff Software Engineer Role

Posted 55 days ago

Lead backend development for AI-powered data solutions

Architect scalable systems and APIs for enterprise clients

Agile Methodologies Angular AWS CI/CD

Staff Software Engineer, AI Backend

Posted 55 days ago

Design and build scalable AI-driven backend systems

Integrate advanced language models into data workflows

AWS Docker FastAPI Google Cloud Platform

Staff Software Engineer

Posted 55 days ago

Revolutionize enterprise data operations through AI solutions.

Automate and accelerate data tasks for overworked data teams.

Ai Airflow Ansible Api Development

AI-Powered Data Operations Revolution

Posted 55 days ago

Revolutionize enterprise data operations through AI automation.

Develop high-performance backend systems for AI solutions.

Docker Engineer FastAPI Python

Data Lead: ETL & Analytics

Posted 55 days ago

Improve data infrastructure Optimize performance and accessibility Enable data-driven

g Collaborate with cross-functional teams Mentor and lead data

Airflow Analytics AWS BigQuery

Anaplan Full Stack Engineer

Posted 55 days ago

Build exceptional software for a global growth strategy

Deliver seamless user experiences through architecture and collaboration

Android Css Docker Engineer

Angular Frontend Developer Role

Posted 55 days ago

Develop responsive web applications using Angular

Implement state management with NgRx or Redux

Angular Bootstrap Css3 Html5

Senior Angular Front-End Developer

Posted 55 days ago

Develop advanced Angular applications

Mentor and lead front-end team members

Css Css3 Git Html

Angular Frontend Technical Lead

Posted 55 days ago

Lead technical delivery of Angular frontend

Ensure compliance with financial regulations

Angular Ci/cd Pipelines Css3 Docker

Angular Frontend Tech Lead

Posted 55 days ago

Lead frontend delivery for a banking risk management tool

Ensure technical excellence, scalability, and compliance

Angular CI/CD Docker Git

Front-End Tech Lead Angular

Posted 55 days ago

Lead front-end project delivery and innovation

Ensure code quality, reliability, and scalability

Agile Development Angular Css Data Modeling

Senior Node.js Angular Engineer

Posted 55 days ago

Deliver high-quality software using Node.js and Angular.

Lead and mentor engineering teams in Agile environments.

Angular AWS CI/CD Docker

Senior Angular Frontend Engineer

Posted 55 days ago

Redesign and optimize financial applications

Deliver high-quality, performant frontend solutions

Angular CI/CD Css Docker

Senior Angular UI Engineer

Posted 55 days ago

Develop scalable Angular-based UI applications

Implement state management and advanced testing

Angular Css3 Cypress Html5

Senior Frontend Engineer (Angular)

Posted 55 days ago

Enhancing operations in the financial sector through IT solutions.

Developing client-specific software solutions.

Angular CI/CD Css Css3

Front-End Angular Developer

Posted 55 days ago

Seeking Front-End Developer proficient in Angular for remote position

Collaborate with IT experts to create optimized interfaces

Angular Continuous learning Design Patterns English Proficiency

Senior iOS Engineer - Remote

Posted 55 days ago

Build efficient iOS components for platform enhancement

Leverage technical solutions for mobile and frontend integration

iOS JavaScript React Reactive programming

Remote Accounting Manager Role

Posted 55 days ago

Hire experienced accounting manager

Enable full-time remote work

Accounting Accounts Receivable Analytical Skills Data Analysis

Remote Senior Data Engineer

Posted 55 days ago

Hiring a remote Senior Data Engineer for Apollo

Full-time position in Poland

AWS BigQuery Cloud Data

Developer Advocacy

Posted 55 days ago

. Engage with developer community

. Provide technical support and guidance

AWS Git GraphQL JavaScript

Backend Engineer

Posted 55 days ago

Design and implement scalable backend endpoints

Mentor team members on best practices

Ansible Api Development AWS Docker

Senior Backend Engineer

Posted 55 days ago

Develop scalable backend solutions

Mentor team members

Angular Api Development Architecture AWS

Staff Backend Engineer

Posted 55 days ago

Lead technical direction and complex initiatives

Architect and build scalable systems

Ai Tools Architecture Computer science Distributed systems

Staff AI Engineer

Posted 55 days ago

Building advanced AI systems powered by LLMs and intelligent agents

Developing scalable backend systems

A/b Testing Api Integration Architecture AWS

Senior AI Engineer

Posted 55 days ago

Build and productionize advanced AI systems

Develop large language model platforms

Ab testing Ai Systems Api Integration Architecture

Staff AI Engineer Role

Posted 55 days ago

Build and productionize advanced AI systems

Develop scalable LLM-powered applications and agents

Ab testing A/b Testing Api Integration Architecture

Senior AI Engineer Role

Posted 55 days ago

Build and deploy scalable AI systems for production use.

Develop advanced multi-agent architectures and conversational AI.

Api Integration Architecture AWS Backend Development

Senior Backend Engineer Role

Posted 55 days ago

Design scalable backend solutions

Lead full software development lifecycle

Agile Methodologies Android Android development Apache Kafka

Senior Frontend Tech Lead

Posted 55 days ago

Architect and evolve scalable frontend platforms

Lead cross-functional initiatives to drive platform adoption

Css Cypress Docker Engineer

Engineering Manager, Apollo

Posted 55 days ago

Lead and mentor engineering teams

Drive technical excellence and process improvement

Architecture Docker Elasticsearch Kubernetes

Senior Frontend Engineer Role

Posted 55 days ago

Drive high-quality frontend development

Collaborate cross-functionally with teams

Agile Methodologies Angular Css Cypress

Engineering Manager Role

Posted 55 days ago

Lead and mentor engineering teams

Drive process and cultural excellence

Architecture Docker Elasticsearch Kubernetes