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Senior Full Stack Java Developer Jobs in Merrimack, NH

BAE Systems

Eng Sr - SW

Nashua, NH · On-site

$123K - $163K/yr

We are looking for a Senior Full Stack Developer to join our team and take a leading role in the evolution of our internal business solutions and line-of-business web applications. You will start as ...

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Senior Full Stack Java Developer information

See Merrimack, NH salary details

$11

$59

$79

How much do senior full stack java developer jobs pay per hour?

As of Sep 11, 2026, the average hourly pay for senior full stack java developer in Merrimack, NH is $59.46, according to ZipRecruiter salary data. Most workers in this role earn between $51.68 and $66.68 per hour, depending on experience, location, and employer.

What is a senior full stack Java developer?

Senior Full Stack Java Developers are experienced software professionals who design, develop, and maintain both the front-end and back-end components of web applications using Java and related technologies. They typically work with frameworks such as Spring Boot for the backend and may use JavaScript frameworks like Angular or React for the frontend. In addition to coding, they often lead development teams, make architectural decisions, and ensure best practices are followed throughout the software development lifecycle.

What are the key skills and qualifications needed to thrive as a senior full stack Java developer?

A Senior Full Stack Java Developer needs advanced proficiency in Java, front-end frameworks (such as Angular or React), and a solid understanding of databases, supported by a bachelor’s degree in computer science or related field. Experience with tools like Spring Boot, RESTful APIs, version control systems (e.g., Git), and cloud platforms is typically required, along with relevant certifications. Strong problem-solving, communication, and teamwork skills help developers effectively collaborate and deliver robust solutions. These competencies are crucial for building scalable applications, leading projects, and ensuring efficient development processes.

What are some common challenges senior full stack Java developers face when balancing backend and frontend responsibilities?

Senior Full Stack Java Developers often encounter the challenge of staying up-to-date with both backend Java frameworks and rapidly evolving frontend technologies. Balancing deep expertise in server-side development with proficiency in modern JavaScript frameworks (like React or Angular) can be demanding. Additionally, these professionals often need to effectively prioritize tasks between client and server development while collaborating with specialized frontend or backend team members. Time management, clear communication, and a willingness to learn new tools are essential for success in this multifaceted role.

What cities near Merrimack, NH are hiring for Senior Full Stack Java Developer jobs?

Cities near Merrimack, NH with the most Senior Full Stack Java Developer job openings:

Senior Full Stack Java Developer jobs near you

Associate Full Stack Engineer

Chelmsford, MA • On-site

ZOLL Medical Corporation
Medical Equipment and Supplies Manufacturing • 1 - 5K employees
Learn more about ZOLL Medical Corporationexternal

Full-time

Posted 8 days ago

Job description

Acute Care Technology
At ZOLL, we're passionate about improving patient outcomes and helping save lives. We provide innovative technologies that make a meaningful difference in people's lives. Our medical devices, software and related services are used worldwide to diagnose and treat patients suffering from serious cardiopulmonary and respiratory conditions.
The Acute Care Technology division of ZOLL Medical Corporation develops and delivers innovative lifesaving products and software solutions to EMS, hospital, public safety, and military customers globally. Products include AEDs, trauma kits, ventilators, temperature management solutions, and more. Our dedicated employees take pride in their commitment to improving patient outcomes while delivering world-class customer service.
At ZOLL, you won't just have a job. You'll have a career-and a purpose.
Join our team. It's a great time to be a part of ZOLL!
Job Summary
We are looking for an Associate Full Stack Engineer to design, develop, integrate, and maintain business applications across front-end, back-end, database, reporting, and enterprise systems. This career-level role applies advanced technical knowledge to independently deliver solutions with limited supervision, troubleshoot complex application and data issues, and contribute to projects and process improvements that support department objectives. The position requires strong C#/.NET and SQL Server skills, along with experience working with APIs and enterprise application integrations.
Due to the on-site requirements of this position, applicants are expected to reside within a reasonable commuting distance of the designated work location (Chelmsford, MA). This role does not offer relocation.
ZOLL Medical does not provide immigration-related sponsorship for this role. Do not apply for this role if you will need ZOLL immigration sponsorship (e.g. H1B, TN, STEM, OPT, etc.) either now or in the future.
Essential Functions
  • Design, develop, test, deploy, and maintain full stack applications and Windows-based business applications, working independently on assigned solutions with limited supervision.
  • Develop and support applications using C#/.NET and related technologies.
  • Partner with business stakeholders and cross-functional teams to evaluate requirements, recommend technical approaches, and translate business needs into reliable solutions.
  • Design, develop, and support REST/SOAP API integrations and JSON/XML data exchanges between enterprise systems, adapting existing approaches to address complex integration needs.
  • Develop SQL Server queries, stored procedures, and database objects; analyze and resolve complex application and data-related issues using sound technical judgment.
  • Develop and maintain operational and business reports using SSRS and Power BI.
  • Support and enhance MES/Camstar workflows and task-list development as needed.
  • Support Five9 integrations, including SOAP APIs and block-based development tools; Five9-specific training can be provided.
  • Troubleshoot, maintain, and improve existing applications, integrations, reports, and automated processes; identify root causes and recommend sustainable improvements.
  • Manage assigned application development work and technical processes from analysis through implementation, coordinating with stakeholders and contributing to project and department objectives.
  • Provide technical guidance and knowledge sharing to less-experienced team members as appropriate, and contribute to reviews of technical work and solution approaches.

Required/Preferred Education and Experience
  • Bachelor's degree in computer science, Software Engineering, or a related technical field (or equivalent practical experience).
  • 5+ years of relevant software/application engineering or development experience, including hands-on experience with C#/.NET and SQL Server.
  • Experience independently developing, supporting, and integrating business applications in a production environment, including troubleshooting complex technical issues and delivering solutions through the software lifecycle.

Knowledge, Skills and Abilities
  • Python/PowerShell - Scripting and task automation experience.
  • Salesforce API - Basic understanding; direct experience is not required.
  • Azure - Basic familiarity with Azure services and administration.
  • Oracle Cloud - Ability to export reports and verify claim data; training can be provided.
  • Linux - Basic familiarity; primarily used for specific projects.
  • Power Automate - Basic understanding of flows and integration with APIs or SQL Server.

Physical Demands
The physical demands described here are representative of those that must be met by an employee to successfully perform the essential functions of this job.
  • Standing - Occasionally
  • Walking - Occasionally
  • Sitting - Constantly
  • Talking - Occasionally
  • Hearing - Occasionally
  • Repetitive Motions - Frequently

ZOLL is a fast-growing company that operates in more than 140 countries around the world. Our employees are inspired by a commitment to make a difference in patients' lives, and our culture values innovation, self-motivation and an entrepreneurial spirit. Join us in our efforts to improve outcomes for underserved patients suffering from critical cardiopulmonary conditions and help save more lives.
The annual salary for this position is:
$103,000.00 to $115,000.00
This position is eligible for an annual bonus in accordance with the company's bonus plan. Factors which may affect starting salary include geography, skills, education, experience, and other qualifications of the successful candidate. Details of ZOLL's comprehensive benefits plans can be found at www.zollbenefits.com.
Applications will be accepted on an ongoing basis until this position is filled. For fully remote positions, compensation will comply with all applicable federal, state, and local wage laws, including minimum wage requirements, based on the employee's primary work location.
All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, disability, or status as a protected veteran.
ADA: The employer will make reasonable accommodations in compliance with the Americans with Disabilities Act of 1990.

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