Senior Node.js Engineer
Jersey City, NJ
Category: Development
Industry: Financial Services
Reference ID: JN -042026-106581
Date Posted: 04/26/2026
Shortcut: http://careers.eliassen.com/yk5Alr
Description:
Hybrid Onsite 5 days/week, alternating weeks in Jersey City, NJ
Our client is building incubators that move ideas from concept to scale using emerging technologies and human-centered design. The role focuses on Node.js and microservices to deliver cloud-based, event-driven products that improve financial lives. You will collaborate with product managers, lead technical decisions, and deliver prototypes through full-scale applications on modern infrastructure. Your work will influence new tools and potential new lines of business.
Due to client requirements, applicants must be willing and able to work on a w2 basis. For our w2 consultants, we offer a great benefits package that includes Medical, Dental, and Vision benefits, 401k with company matching, and life insurance.
Rate: $80.00 to $85.00/hr. w2
#LI-JS1
Responsibilities:
- Rapidly develop prototypes, pilots, and full-scale distributed applications based on requirements, prototypes, or verbal input.
- Design and build microservices and APIs with an API-first approach.
- Develop and support large-scale Node.js and Express applications.
- Collaborate with digital product managers to deliver robust cloud-based solutions.
- Work across peer groups to resolve and understand complex technical and design issues.
- Apply system and application design patterns to build scalable, maintainable services.
- Contribute technical leadership and escalate issues and risks to management for timely resolution.
- Adopt new concepts and technologies quickly and implement them effectively.
Experience Requirements:
- 5+ years of software development experience with Node.js, JavaScript, and TypeScript.
- Experience designing and developing microservices with strong API design skills.
- Hands-on development and support of large-scale Node.js and Express applications.
- Event-driven application experience using Kafka or a comparable messaging platform.
- Experience with AWS services such as S3 and EC2.
- Comfort with containers using Docker and Kubernetes.
- Experience with NoSQL databases such as MongoDB.
- Experience building reusable Node.js modules and managing dependencies with NPM.
- Familiarity with libraries such as Mongoose, Casbin, and Axios (preferred).
- Experience using source control for feature-driven development in Bitbucket or Stash.
- Knowledge of CI/CD pipelines with Jenkins and Artifactory.
- Strong object-oriented skills and system design for microservice architecture.
- Work experience in an Agile development environment.
- Strong written and verbal communication and interpersonal skills.
- Demonstrated technical leadership and results orientation.
Education Requirements:
- Bachelor’s degree in Computer Science or a related discipline.
- AWS certification (preferred).
Skills, experience, and other compensable factors will be considered when determining pay rate. The pay range provided in this posting reflects a W2 hourly rate; other employment options may be available that may result in pay outside of the provided range.
W2 employees of Eliassen Group who are regularly scheduled to work 30 or more hours per week are eligible for the following benefits: medical (choice of 3 plans), dental, vision, pre-tax accounts, other voluntary benefits including life and disability insurance, 401(k) with match, and sick time if required by law in the worked-in state/locality.
If anyone reaches out to you about an open position connected with Eliassen Group, please ensure that you are working directly with us by confirming the following:
· When you work with Eliassen Group, all email communication will come from an Eliassen.com address, never Gmail, Yahoo, etc.
· Eliassen Group will never ask you for personal information (home address, bank account, or check routing number) until you have worked with someone clearly associated with Eliassen Group.
If you have any indication of fraudulent activity, please contact fraud@eliassen.com.
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Eliassen Group is an Equal Opportunity/Affirmative Action Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, pregnancy, sexual orientation, gender identity, national origin, age, protected veteran status, or disability status. Eliassen Group’s Affirmative Action Plan (AAP) is available for inspection by any employee or applicant for employment upon request, during normal business hours of Monday through Friday, 8:30am to 5:30pm EST. Interested persons should contact Phaedra Wells at pwells@eliassen.com for assistance. It is unlawful in Massachusetts and Maryland to require or administer a lie detector test as a condition of employment or continued employment. An employer who violates this law shall be subject to criminal penalties and civil liability.
Applicants with disabilities that believe they require an accommodation or assistance with a position, please email our HR team at hradmin@eliassen.com. This email inbox is designed exclusively to assist job seekers whose disability prevents them from being able to apply online. Emails sent for other purposes will not receive a response.
Please be advised that a number of fraudulent job postings have been released under the Eliassen Group brand.
Unfortunately, fraudulent job postings can happen. If anyone reaches out to you about an open position connected with Eliassen Group, never provide personal or financial information to anyone who is not clearly associated with Eliassen Group
If anyone seemingly from Eliassen Group has ever requested this personal information in the past or does so in the future, please contactInfoSec@eliassen.com.
Please ensure that you are working directly with us by confirming the following:
- When you work with Eliassen Group, all email communication will come from an Eliassen.com address, never Gmail, Yahoo, etc.
- Eliassen Group will never ask you for personal information (home address, bank account, or check routing number) until you have worked with someone clearly associated with Eliassen Group, as indicated above