Senior Software Developer

Position is available to work in a hybrid work from home capacity. The manager will discuss this in more detail at time of interview. Candidates will need to be local to the Hampton area. If not, they will need to relocate to the area to be considered for this role.

Our Company

More than a utility company, Unitil provides energy for life.

Our work helps keep homes comfortable, businesses thriving and communities connected. Unitil is an investor-owned public utility proudly serving Maine, Massachusetts and New Hampshire. We are dedicated to delivering energy to our customers safely and reliably.

Unitil is committed to creating an inclusive environment that welcomes and values the differences among all of our employees, customers, suppliers and the communities in which we live and conduct business. The continued success of Unitil is enhanced through initiatives that promote diversity and value our employees.

Take advantage of a comprehensive benefits package.

Unitil offers competitive salaries, a consumer-driven health plan, dental and vision coverage, flexible work, company-paid holidays, a, robust, highly competitive retirement plan and educational assistance.

- Note: Benefit offerings may differ between union and non-union employee groups

Position Purpose:

The Senior Software Developer is a key member of a team of software professionals responsible for the design, development and maintenance of high value internal enterprise systems and integration with third party applications. The ideal individual will be a forward-thinking, detail oriented developer who shares our vision of high quality execution towards a common goal of providing maximum business value to our customers.

Principal Accountabilities:

% of Time

End Results

70%

New Software Development

Design and develop systems while maintaining a “common sense” approach that serves to identify and provide insight into potential design gaps.Develop efficient, scalable, reusable business logic components leveraging OOP principles and common design patterns. Develop intuitive, dynamic, responsive and user friendly UIs.

Design and create supporting database schema and related objects leveraging industry best-practices.

30%

Maintenance, Troubleshooting and Other

Assess, debug/troubleshoot, and document production issues and develop fixes as needed for mission critical systems. Perform root-cause analysis and suggest/implement improvements to avoid recurring issues. Serve as an on-call person to resolve outages and system crashes on a 24/7/365 basis.

Qualifications for Software Developer

Formal Education & Certification

- Bachelors degree in Computer Science, Engineering or related field

Knowledge & Experience

- 3+ years of experience in a software development environment.

- Utility industry experience preferred.

- Strong understanding of object-oriented programming and computer science fundamentals.

- Self-motivated, independent, detail-oriented and a responsible team-player.

- Full stack web development with demonstrated experience in the .NET Framework (preferably 3.5+), ASP.NET, C#, SQL Server, jQuery and CSS.

- Familiarity with ASP.NET MVC, WCF, Linq. HTML 5, and ORM technologies such as Entity Framework.

- SharePoint and experience with mobile device development are big pluses.

Qualifications for Senior Software Developer:

Formal Education & Certification

- Bachelors degree in Computer Science, Engineering or related field

Knowledge & Experience

- Strong object-oriented development background

- 5+ years of development experience using C# and a high level of expertise with .NET frameworks, Git, Azure DevOps

- Basic knowledge of IIS used for deploying and troubleshooting web applications

- Solid theoretical and practical SQL skills (Entity Framework (EF), Linq)

- Solid written and verbal communication skills

- Experience with ASP.NET MVC, .NET Core, Blazor

- Experience designing and developing Web APIs

- Exposure to one or more JavaScript frameworks such as jQuery a plus

- Hands on experience with modern UI frameworks a plus

Preferred

- 3+ years of experience with Microsoft Azure development

- Demonstrated ability to interpret legacy source code (Classic ASP, VBScript, VB6)

Unitil is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, national origin, disability, protected veteran status, age, or any other characteristic protected by law.

Last Updated: 12/11/2025