NodeJS Developer

Quantum Technologies. LLC; Menlo Park (CA); On-site; USD 140,000 - 230,000; Full time

Job summary

Quantum Technologies LLC is seeking a highly experienced Node.js Developer to design, develop, test, and maintain scalable backend applications and APIs. You will collaborate with frontend teams, product managers, and designers to deliver reliable software solutions.

The role requires strong expertise in Express.js, NestJS or Fastify, and a solid background in RESTful API design, databases, and security best practices. Expect exposure to modern cloud and CI/CD environments.

Qualifications

• Bachelor's degree in CS or related field or equivalent practical experience.

Responsibilities

• Develop and maintain scalable backend applications using Node.js.
• Design, build, and integrate RESTful APIs and/or GraphQL services.
• Work with databases such as PostgreSQL, MySQL, MongoDB, or Redis.
• Implement authentication, authorization, and data security best practices.
• Integrate third-party APIs and external services.
• Collaborate with frontend developers to ensure seamless application integration.
• Write unit, integration, and end-to-end tests.
• Troubleshoot, debug, and resolve application issues.
• Optimize application performance, scalability, and reliability.
• Participate in code reviews and contribute to technical decisions.
• Maintain technical documentation and development standards.
• Work with DevOps teams to support CI/CD pipelines and deployments.
• Stay current with emerging technologies and industry best practices.

Skills

RESTful API design

Node.js development

Asynchronous programming

Event-driven architecture

Automated testing

Git workflows

Communication skills

Problem solving

Agile methodologies

Frontend collaboration

Education

Bachelor's degree in Computer Science or related field

Equivalent practical experience

Tools

Express.js

NestJS

Fastify

PostgreSQL

MySQL

MongoDB

Redis

Git

Docker

Kubernetes

RabbitMQ

Kafka

AWS

JWT/OAuth

Job description

US Citizen, Green Card, H-1B, OPT-EAD, CPT, Other

Work Authorization: US Citizen, Green Card, OPT-EAD, CPT, H-1B, H4-EAD, Other

Job Description :

About the Role

• We are looking for a skilled Node.js Developer to join our development team.
• The successful candidate will be responsible for designing, developing, testing, and maintaining scalable server-side applications and APIs.
• You will work closely with frontend developers, product managers, designers, and other stakeholders to deliver reliable and high-quality software solutions.

Key Responsibilities :

• Develop and maintain scalable backend applications using Node.js.
• Design, build, and integrate RESTful APIs and/or GraphQL services.
• Work with databases such as PostgreSQL, MySQL, MongoDB, or Redis.
• Implement authentication, authorization, and data security best practices.
• Integrate third-party APIs and external services.
• Collaborate with frontend developers to ensure seamless application integration.
• Write unit, integration, and end-to-end tests.
• Troubleshoot, debug, and resolve application issues.
• Optimize application performance, scalability, and reliability.
• Participate in code reviews and contribute to technical decisions.
• Maintain technical documentation and development standards.
• Work with DevOps teams to support CI/CD pipelines and application deployments.
• Stay current with emerging technologies and industry best practices.

Required Qualifications :

• Bachelor's degree in Computer Science, Engineering, or a related field, or equivalent practical experience.
• 10+ years of professional experience in backend development.
• Experience with frameworks such as Express.js, NestJS, or Fastify.
• Solid understanding of RESTful API design and backend architecture.
• Experience working with relational and/or NoSQL databases.
• Familiarity with Git and collaborative development workflows.
• Understanding of asynchronous programming, event-driven architecture, and performance optimization.
• Experience writing automated tests using tools such as Jest, Mocha, or similar.
• Knowledge of software development life cycle and agile methodologies.
• Strong problem-solving and communication skills.

Preferred Qualifications :

• Experience with microservices architecture.
• Familiarity with cloud platforms such as AWS, Azure, or Google Cloud.
• Experience with Docker and Kubernetes.
• Knowledge of message brokers such as RabbitMQ, Kafka, or AWS SQS.
• Experience with CI/CD tools and deployment automation.
• Understanding of security principles, OAuth, JWT, and secure API development.
• Experience with monitoring and logging tools.
• Familiarity with serverless technologies.
• Contributions to open-source projects or a strong GitHub portfolio.

We are an equal opportunity employer. All aspects of employment including the decision to hire, promote, discipline, or discharge, will be based on merit, competence, performance, and business needs. We do not discriminate on the basis of race, color, religion, marital status, age, national origin, ancestry, physical or mental disability, medical condition, pregnancy, genetic information, gender, sexual orientation, gender identity or expression, national origin, citizenship/ immigration status, veteran status, or any other status protected under federal, state, or local law.