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Sr Software Engineer Java Jobs in New Hampshire (NOW HIRING)

Sr. Software Engineer

Portsmouth, NH

$124K - $164K/yr

Develop software for multiple platforms and help deliver software products and systems (hardware ... Coursework or Thesis/Thesis project must include the programming languages C, C++, JavaScript, Java ...

Senior Software Engineer

Nashua, NH · On-site

$123K - $163K/yr

We are looking to hire a Senior Software Engineer who wants to get involved with a small, fast-paced, and dynamic company. Responsible for developing, maintaining, and advancing state-of-the-art ...

Senior Software Engineer

Nashua, NH · On-site

$123K - $163K/yr

We are looking to hire a Senior Software Engineer who wants to get involved with a small, fast-paced, and dynamic company. Responsible for developing, maintaining, and advancing state-of-the-art ...

Senior Software Engineer

Nashua, NH · On-site

$123K - $163K/yr

We are looking to hire a Senior Software Engineer who wants to get involved with a small, fast-paced, and dynamic company. Responsible for developing, maintaining, and advancing state-of-the-art ...

Saab Inc.'s Autonomous and Undersea Systems (AUS) division is seeking an innovative and experienced Senior Software Engineer to participate on technical teams defining, architecting, implementing ...

Senior Software Engineer

Londonderry, NH · On-site

$138K - $180K/yr

Saab Inc.'s Autonomous and Undersea Systems (AUS) division is seeking an innovative and experienced Senior Software Engineer to participate on technical teams defining, architecting, implementing ...

Senior Software Engineer

Pelham, NH · On-site

$138K - $180K/yr

Saab Inc.'s Autonomous and Undersea Systems (AUS) division is seeking an innovative and experienced Senior Software Engineer to participate on technical teams defining, architecting, implementing ...

Senior Software Engineer

North Salem, NH · On-site

$138K - $180K/yr

Saab Inc.'s Autonomous and Undersea Systems (AUS) division is seeking an innovative and experienced Senior Software Engineer to participate on technical teams defining, architecting, implementing ...

Senior Software Engineer

Plaistow, NH · On-site

$138K - $180K/yr

Saab Inc.'s Autonomous and Undersea Systems (AUS) division is seeking an innovative and experienced Senior Software Engineer to participate on technical teams defining, architecting, implementing ...

Senior Software Engineer

Windham, NH · On-site

$138K - $180K/yr

Saab Inc.'s Autonomous and Undersea Systems (AUS) division is seeking an innovative and experienced Senior Software Engineer to participate on technical teams defining, architecting, implementing ...

Senior Software Engineer

Derry, NH · On-site

$138K - $180K/yr

Saab Inc.'s Autonomous and Undersea Systems (AUS) division is seeking an innovative and experienced Senior Software Engineer to participate on technical teams defining, architecting, implementing ...

Senior Software Engineer

Salem, NH · On-site

$138K - $180K/yr

Saab Inc.'s Autonomous and Undersea Systems (AUS) division is seeking an innovative and experienced Senior Software Engineer to participate on technical teams defining, architecting, implementing ...

Senior Software Engineer

Seabrook, NH · On-site

$138K - $180K/yr

Saab Inc.'s Autonomous and Undersea Systems (AUS) division is seeking an innovative and experienced Senior Software Engineer to participate on technical teams defining, architecting, implementing ...

Senior Software Engineer

Nashua, NH · On-site

$138K - $180K/yr

Saab Inc.'s Autonomous and Undersea Systems (AUS) division is seeking an innovative and experienced Senior Software Engineer to participate on technical teams defining, architecting, implementing ...

Senior Software Engineer

Atkinson, NH · On-site

$138K - $180K/yr

Saab Inc.'s Autonomous and Undersea Systems (AUS) division is seeking an innovative and experienced Senior Software Engineer to participate on technical teams defining, architecting, implementing ...

Senior Software Engineer

Portsmouth, NH · On-site

$124K - $164K/yr

As a key member of the R&D team, the Senior Software Engineer will be responsible for the full lifecycle of designing, developing, modifying, testing, debugging, and supporting new and existing ...

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Sr Software Engineer Java information

What does a Sr Software Engineer Java do?

A Sr Software Engineer Java is responsible for designing, developing, and maintaining complex software applications using the Java programming language. They often lead technical projects, mentor junior developers, and ensure that software solutions are robust, scalable, and secure. Their work involves collaborating with cross-functional teams, reviewing code, and implementing best practices to deliver high-quality products. Senior engineers also play a key role in architectural decisions and contribute to the overall technical direction of their team or organization.

What are the key skills and qualifications needed to thrive as a Sr Software Engineer Java?

To thrive as a Sr Software Engineer Java, you need advanced proficiency in Java programming, software design principles, and a bachelor’s degree (or higher) in computer science or a related field. Familiarity with tools such as Spring Framework, RESTful APIs, version control systems like Git, and cloud platforms is typically required, along with relevant certifications like Oracle Certified Professional Java Programmer. Excellent problem-solving skills, effective communication, and the ability to mentor junior developers make someone stand out in this position. These skills ensure the delivery of robust, scalable applications and foster efficient collaboration in complex development environments.

What are some common challenges Sr Software Engineers specializing in Java face when leading project teams?

Sr Software Engineers working with Java often encounter challenges such as balancing hands-on coding with mentorship responsibilities, managing technical debt in legacy systems, and aligning project goals with business requirements. They frequently need to facilitate effective communication between developers, QA engineers, and stakeholders to ensure project milestones are met. Additionally, staying updated with evolving Java frameworks and best practices while guiding less experienced team members is essential for maintaining code quality and team productivity.

What is the difference between Sr Software Engineer Java vs Software Developer Java?

AspectSr Software Engineer JavaSoftware Developer Java
Required CredentialsBachelor's degree, 5+ years experience, possibly certifications like Oracle Certified ProfessionalBachelor's degree, 1-3 years experience, often entry-level certifications
Work EnvironmentDesigning architecture, leading projects, mentoring teamsWriting code, debugging, implementing features
Employer & Industry UsageTech companies, finance, healthcare, enterprise solutionsStartups, tech firms, software consultancies
Search & Comparison IntentHigher-level roles, leadership, complex projectsEntry to mid-level development tasks

In summary, Sr Software Engineer Java typically involves more experience, leadership, and architectural responsibilities, while Software Developer Java focuses on coding and feature implementation. Both roles are common in tech industries but differ in scope and seniority.

Infographic showing various Sr Software Engineer Java job openings in New Hampshire as of August 2026, with employment types broken down into 1% As Needed, 84% Full Time, 10% Part Time, and 5% Contract. Highlights an 89% Physical, 3% Hybrid, and 8% Remote job distribution.

$124K - $164K/yr

Full-time

Re-posted 25 days ago


Job description

Description

Do you have the skills-and drive-to join a tech team that's working to digitally transform a trillion-dollar industry? From test-driving the latest technologies to creating intuitive consumer apps, Liberty Mutual is constantly innovating and creating industry-leading solutions that provide peace of mind for our customers worldwide. As a senior engineer at Liberty Mutual, you'll consult on highly complex projects and solve technical problems, while working in an agile environment that has the creative energy of a start-up-and the full backing and comprehensive benefits of a Fortune 100 company.

This is a hybrid role requiring two days in the office a week in the following locations: Boston, MA, Portsmouth, NH, Columbus, OH, Indianapolis, IN or Plano, TX

**Open to U.S. based employees only**

We encourage you to apply and bring your expertise if you're a:

  • Technical problem solver: Going far beyond simply developing error-free source code, test scripts, components and system architectures, you'll document and build deployment guides aimed at maintaining robust, relevant software
  • Customer-centric engineer: Putting clients' needs first, you'll translate customer requirements into technical applications and support the implementation of new software
  • Motivated mentor: Exercise your technical chops while coaching and collaborating with junior software engineers.
  • Forward thinker: Merely fixing a problem isn't enough - using your proactive mindset and initiative, you'll also identify opportunities to enhance performance, quality and efficiency

Job Introduction:

  • We are looking for a Senior software engineer to join our Small Commercial Service team in Service Experience portfolio within USRM Technology organization. If selected, you will have the opportunity to leverage your skills to build tools and solutions used to enable Customer and Agent Service Support for our Small Commercial business USRM. The Small Commercial Digitization activity is growing rapidly, and this role offers an exciting opportunity to help shape that journey.
Qualifications
  • Strong foundation in data structures, algorithms, and software engineering principles, with proficiency in languages like Python or Java.
  • Proficiency in software engineering languages and tools, including Java, React, Node.js, Spring Boot, AWS and RESTful services, RDS.
  • A self-starter mindset with strong self-learning capabilities and the ability to move fast and adapt in an ever-evolving AI environment.
  • Highly independent and proactive, with a strong ability to learn, execute, manage priorities and create initiatives.
  • Creativity and initiative able to pitch and prototype ideas with minimal oversight.

Experience

  • Five or more years of software engineering experience
  • Strong background in business operations and strategies, including global technology and financial services trends
  • Hands-on involvement with layered systems architectures, designs and shared software concepts
  • Familiarity with functional and system integration testing
  • Experience working in an agile environment

Skills

  • Excellent negotiation, facilitation and consensus-building capabilities
  • Openness and adaptability to respond to fast-moving circumstances
  • Proficiency in multiple object-oriented programming languages and tools
  • Excellent oral and written communication skills
  • Aptitude for working in teams

Knowledge

  • In-depth knowledge of diverse and emerging technologies, architectural concepts and principles
  • A deep understanding of layered solutions and designs
  • Awareness of policies regarding security and privacy
  • Understanding of backlog tracking, burndown metrics and incremental delivery

Education

  • A bachelor's or master's degree in a technical or business discipline, or equivalent experience

Employees may apply for a new role after completing 12 months of employment in their current position.

Employees should review all role requirements and apply only for positions for which they are eligible. Hiring processes may vary by country, including differences in procedures, requirements, and timelines.  For country-specific details, please consult your local recruiting / HR team.

About Us

Pay Philosophy: The typical starting salary range for this role is determined by a number of factors including skills, experience, education, certifications and location. The full salary range for this role reflects the competitive labor market value for all employees in these positions across the national market and provides an opportunity to progress as employees grow and develop within the role. Some roles at Liberty Mutual have a corresponding compensation plan which may include commission and/or bonus earnings at rates that vary based on multiple factors set forth in the compensation plan for the role.At Liberty Mutual, our goal is to create a workplace where everyone feels valued, supported, and can thrive. We build an environment that welcomes a wide range of perspectives and experiences, with inclusion embedded in every aspect of our culture and reflected in everyday interactions. This comes to life through comprehensive benefits, workplace flexibility, professional development opportunities, and a host of opportunities provided through our Employee Resource Groups. Each employee plays a role in creating our inclusive culture, which supports every individual to do their best work. Together, we cultivate a community where everyone can make a meaningful impact for our business, our customers, and the communities we serve. We value your hard work, integrity and commitment to make things better, and we put people first by offering you benefits that support your life and well-being. To learn more about our benefit offerings please visit: https://www.libertymutualgroup.com/about-lm/careers/benefitsLiberty Mutual is an equal opportunity employer. We will not tolerate discrimination on the basis of race, color, national origin, sex, sexual orientation, gender identity, religion, age, disability, veteran's status, pregnancy, genetic information or on any basis prohibited by federal, state or local law.Fair Chance Notices

  • California
  • Los Angeles Incorporated
  • Los Angeles Unincorporated
  • Philadelphia
  • San Francisco
Employment Type: FULL_TIME