Senior Fullstack Software Engineer Jobs in Merrimack, NH
Senior Fullstack Software Engineer jobs in Merrimack, New Hampshire are in active demand, with employers like Fidelity TalentSource, Fidelity Investments, and BAE Systems USA among those hiring. Scan the live roles below and apply to whichever ones fit.
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INTRODUCTION
Mastech Digital Inc. (NYSE: MHH) is a minority-owned, publicly traded IT staffing and digital transformation services company. Headquartered in Pittsburgh, PA, and established in 1986, we serve clients nationwide through 11 U.S. offices.
ROLE: Full Stack Engineer
Location: Smithfield, RI
Duration: Full-Time
MUST HAVE SKILLS:
- Java
- Angular v14+
- Apache Struts framework experience
- Node (FE) experience
- This is a modernization project and we need someone that can do the analysis of the older tech and get it into the new tech.
- They will need to be able to reverse engineer Struts-based applications in addition to coding.
JOB DESCRIPTION
About the Role:
We have an outstanding opportunity for a Software Engineer with a strong passion for building quality code to join our dynamic Digital Platforms Technology Group. Our team is dedicated to designing, developing, and implementing innovative products that enhance the digital experiences of Fidelity Workplace Solutions customers. By leveraging a diverse array of technologies, we continuously refine our skills and expand our expertise, fostering career growth and technological advancement.
KEY RESPONSIBILITIES:
As a Software Engineer, you will be an integral part of a Scrum team within the Digital Platforms Technology Group. You’ll be participating in design discussions, analysis, and building quality code that adheres to design and architecture standards. Your role will involve close collaboration with the Squad Lead, Scrum Master, Analysts, Quality Assurance professionals, Architects, and fellow Developers. Together, you will design, build, test, and deliver features that elevate Fidelity’s digital experiences.
WHAT WE’RE LOOKING FOR:
- We seek an enthusiastic and analytical individual who excels in organization and communication. You should be a critical thinker with a desire to grow your career in software development. Your ability to work effectively within a team and your commitment to continuous learning will be key to your success in this role.
- You will be an active member of a co-located scrum team(s) made up of other software engineers, quality automation engineers and analysts responsible for delivering key customer features.
- We are looking for an engineer who is versatile, always eager to take on new problems, share solutions and collaborate with fellow engineers as we push the technology forward.
- A full stack engineer with a strong foundation in java-based web applications.
THE EXPERTISE AND SKILLS YOU BRING:
- BS/BA Degree or equivalent experience preferred.
- Robust critical thinking skills coupled with a desire for growth, to learn and to engage with peers in technical and design discussions.
- Experience in communicating technical needs and capabilities to non-technical team members, product owners, and partners.
- Ability to utilize a long-term mentality to help produce scalable, maintainable solutions.
- Passion to provide guidance on standard methodologies and collaborate with other Developers within the wider Digital Platforms Technology team. Help to improve engineering, architectural and coding standards.
- Strong proficiency in server-side development: Java, Spring, Middle tier restful services, Camel.
- Hands-on experience working with Apache Struts in enterprise or legacy environments.
- Ability to debug, maintain, and modernize Struts-based applications.
- Solid experience with front-end technologies such as Angular, JavaScript/TypeScript, Node, NPM, HTML/CSS, RxJS.
- Experience with incident management and issue troubleshooting is a plus.
- Experience in financial services applications is a plus.
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Find JobsSenior Fullstack Software Engineer Job Market in Merrimack
Who's Hiring
- Fidelity TalentSource9

- Fidelity Investments5

- BAE Systems USA4

- Eliassen1

- Mastech Digital1

Top Industries Hiring
- Technology & Software5
- Investment & Asset Management5
- Staffing & Recruiting1
Senior Fullstack Software Engineer Jobs in Merrimack: Frequently Asked Questions
How many senior fullstack software engineer jobs are there in Merrimack?
There are 20+ senior fullstack software engineer openings in Merrimack, New Hampshire on Migrate Mate as of June 2026. New positions post regularly as Merrimack employers hire.
Which companies hire senior fullstack software engineers in Merrimack?
Merrimack senior fullstack software engineer roles are posted by Fidelity TalentSource, Fidelity Investments, and BAE Systems USA and others right now, based on current listings on Migrate Mate as of June 2026.
Are there remote senior fullstack software engineer jobs in Merrimack?
Yes. About 33% of senior fullstack software engineer openings tied to Merrimack are remote or hybrid as of June 2026. The rest are on-site roles based in and around Merrimack.
Which industries hire the most senior fullstack software engineers in Merrimack?
Merrimack senior fullstack software engineer roles concentrate in Technology & Software, Investment & Asset Management, and Staffing & Recruiting, based on current listings on Migrate Mate as of June 2026.
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