Software Engineer

C#.NET Developer

As a Software Developer you will be part of a diverse global team making a significant impact on the organization. You will utilize your analytical thinking skills along with experience in design patterns, best practices, structured development processes, and engineering principles to create robust, scalable, maintainable, and user-friendly solutions that align with business priorities.

Responsibilities

• Participate as a member of the software development team and lead development in specific software components to deliver business features and software according to established schedules.
• Investigate and analyze new or existing technologies, third-party software, and development tools to solve technical challenges and meet design specifications.
• Create detailed software designs under the guidance of technical leadership using industry-recognized methodologies and tools.
• Independently investigate, understand, and analyze issues with existing and legacy systems to propose fixes and assist in testing and documentation.
• Develop software using industry-recognized languages and tools following company standards, guidelines, and best practices.
• Ensure software conforms to designs, is testable, and maintainable.
• Collaborate closely with quality assurance to assist in defining test cases, creating, reviewing, and executing test plans.
• Review product documentation and technical instructions for completeness and accuracy.

Essential Skills

• Proficiency in C#
• Bachelor's Degree in Software Engineering or Computer Science
• 3-5 years of direct hands-on software development experience
• Proficiency in Object-Oriented, interface-driven design and implementation
• Proficiency in Microsoft.NET Framework and related development tools
• Understanding of Windows operating system, server platforms, and security models
• Experience with large scale, multi-threaded, and asynchronous design and implementation
• Knowledge of web-based communication protocols such as UDP

Additional Skills & Qualifications

• Understanding of MVVM, WPF, WCF, Entity Framework and LINQ
• Understanding of Linux and Unix-based Operating Systems
• Knowledge of languages such as C/C++
• Experience with web technologies like Meteor JS, React, Node.js, MQTT, JavaScript, jQuery
• Understanding of database technologies including Microsoft SQL Server, SQLite, MongoDB
• Experience in database-driven and service-oriented design and architecture
• Familiarity with modern unit testing practices and major vendor frameworks
• Knowledge of security protocols and models for web-based applications
• Self-motivated and able to perform well in a collaborative team environment
• Experience with source control systems and change management tools (e.g., Git, Mercurial, Subversion)
• Strong analytical and problem-solving skills

Work Environment

The position requires onsite work in Westford, MA. The work environment includes collaboration with the team, utilizing various technologies and equipment necessary for software development.

Job Type & Location

This is a Contract position based out of Westford, MA.

Pay and Benefits

The pay range for this position is $57.00 - $57.00/hr. Individual compensation offered for this position within this range will depend on many factors, including qualifications, skills, relevant experience, job knowledge, geographic location, internal equity, and other pertinent job-related factors. Eligibility requirements apply to some benefits and may depend on your job classification and length of employment. Benefits are subject to change and may be subject to specific elections, plan, or program terms. If eligible, the benefits available for this temporary role may include the following: Medical, dental & vision; Critical Illness, Accident, and Hospital; 401(k) Retirement Plan – Pre-tax and Roth post-tax contributions available; Life Insurance (Voluntary Life & AD&D for the employee and dependents); Short and long-term disability; Health Spending Account (HSA); Transportation benefits; Employee Assistance Program; Time Off/Leave (PTO, Vacation or Sick Leave)

Workplace Type

This is a fully onsite position in Westford, MA.

Application Deadline

This position is anticipated to close on Aug 28, 2026.

About Actalent

Actalent is a global leader in engineering and sciences services and talent solutions. We help visionary companies advance their engineering and science initiatives through access to specialized experts who drive scale, innovation and speed to market. With a network of almost 20,000 consultants and 5,000 clients across the U.S., Canada, Asia and Europe, Actalent serves many of the Fortune 500. We are proud to be an Engineering News-Record (ENR) Top 500 Design Firm for our engineering design services and a ClearlyRated Best of Staffing® winner for both client and talent service.

The company is an equal opportunity employer and will consider all applications without regard to race, sex, age, color, religion, national origin, veteran status, disability, sexual orientation, gender identity, genetic information or any characteristic protected by law.

If you would like to request a reasonable accommodation, such as the modification or adjustment of the job application process or interviewing process due to a disability, please email View email address on click.appcast.io for other accommodation options.

Pursuant to the San Francisco Fair Chance Ordinance, for all positions located in the city and county of San Francisco, we will consider for employment qualified applicants with arrest and conviction records.

It is unlawful in Massachusetts 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.

We may use Artificial Intelligence (AI) to support parts of our hiring process, including sourcing, screening, and evaluating candidates. AI helps assess applications and qualifications, but final decisions are made by our hiring team. By applying, you acknowledge and agree that your application may be reviewed using AI tools.