Senior Full Stack Engineer
Merrimack, NH
Category: Development
Industry: Financial Services
Reference ID: JN -042026-106306
Date Posted: 04/07/2026
Shortcut: http://careers.eliassen.com/SK57sA
Description:
Hybrid Onsite 5 days/week, alternating weeks in either Manchester, NH or Boston, MA or Irving, TX
Our client seeks a Senior Full Stack Engineer to build omni-channel user experiences and platform capabilities that support retail Alternative Investments and crypto solutions. The role requires deep expertise with Angular, TypeScript, RxJS, NgRx, Node.js/NestJS, CI/CD, automated testing, and AWS. You will contribute across the stack within autonomous teams, shaping performant, secure, and resilient web applications while promoting clean, testable code. Experience with mobile technologies and modern web architectures will be valuable.
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: $70.00 to $80.00/hr. w2
Responsibilities:
- Design, develop, and deploy end-to-end web features using Angular and TypeScript with a test-first approach.
- Build and maintain resilient front-end architectures leveraging RxJS, NgRx, and modern patterns such as micro-frontend, BFF, and Module Federation.
- Develop and integrate backend services using Node.js/NestJS and RESTful APIs.
- Implement robust automated tests with tools such as Cypress, Playwright, Jest, and Storybook.
- Apply advanced Git workflows, branching strategies, and CI/CD practices to deliver high-quality software.
- Optimize performance, security, and reliability across web experiences with a focus on customer experience and accessibility.
- Leverage AWS services including EC2, Lambda, serverless computing, and DynamoDB to deliver scalable solutions.
- Collaborate within autonomous, cross-functional teams to take features from concept to production.
- Contribute to reusable core components, standards, analytics, A/B testing, and personalization initiatives.
- Ensure secure authentication and authorization using OAuth and OpenID Connect.
Experience Requirements:
- 6+ years building web applications with Angular 12+, TypeScript, RxJS, and NgRx in an agile environment.
- Proficiency with Node.js and NestJS for building microservices and RESTful APIs.
- Strong experience with automated testing using Playwright, Cypress, Jest, and Storybook.
- Advanced Git expertise, effective branching strategies, and CI/CD pipelines.
- Knowledge of HTTP/S, REST, networking fundamentals, and web performance.
- Experience with modern web architectures such as micro-frontend, BFF, and Module Federation.
- Strong understanding of AWS services including EC2, Lambda, serverless computing, and DynamoDB.
- Experience with security standards including OAuth and OpenID Connect.
- Experience or willingness to learn Android and iOS mobile technologies.
- Experience with Nx workspaces (preferred).
- Experience with Docker, containerization, and orchestration (preferred).
- Exposure to AWS Route 53 and API Gateway (preferred).
- Experience with Kotlin or Swift for mobile development (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