Software Engineer - Backend (Fall 26' Intern)

Delsys, Inc; Natick (MA); On-site; USD 40,000 - 60,000; Full time

Job summary

Delsys, Inc in Natick, United States, is seeking a Software Engineer - Backend intern for Fall 2026 to support the development of its signal processing software.

The ideal candidate will have experience in computer engineering or science, fluency in Java, C#, or C++, and a passion for developing impactful software solutions. Responsibilities include designing software, testing APIs, and managing data strategies.

Qualifications

• Currently enrolled in or recently graduated with a relevant degree.
• Fluent in Java, C#, or C++.
• Strong object-oriented design skills.
• Experience with back-end development for Windows or Linux applications.

Responsibilities

• Design and implement software supporting core products.
• Create, integrate, and test new APIs and software components.
• Design data management strategies using modern frameworks.
• Implement drivers for communication with custom PC peripherals.
• Assist in translating proven research concepts into real-world products.

Skills

Java

C#

C++

Object-oriented design

Education

Undergraduate or graduate degree in computer engineering, computer science, or similar program

Job description

Software Engineer - Backend (Fall 26' Intern)

Natick, United States | Posted on 06/22/2026

Delsys Inc. (www.delsys.com) is the world leader in wearable and non-contact sensor technology for high performance electromyography, biomechanics, and physiology instruments. Since our inception in 1993, we have focused on building a strong interdisciplinary engineering team to solve some of the most intractable challenges for non-invasive biosignal sensing for human performance research and education. We maintain a fully-featured design and production facility, serving a unique portfolio of hardware and software products that support clients and institutions in over 85 countries. Together with our affiliate company Altec Inc. (www.altecresearch.com) we maintain an active portfolio of research programs that leverage the latest advances in computational technologies and sensor solutions to serve a wide variety of industrial, academic, and federal government needs.

Job Description

We are seeking aspiring Software Engineers to join the Product Development Team at Delsys to help develop the core components that comprise the back-end architecture of our signal acquisition and processing software for movement science and human health applications. Our Software Engineers seek to deliver sound and vetted software solutions while making impactful contributions to all elements of our product portfolios.

Preference will be given to those that can demonstrate an aptitude for managing complex projects and have an ability to solve problems independently. Candidates who have developed their own applications, or have directly contributed to one in an impactful way are strongly urged to attach screenshots or submit a link to download the app.

Responsibilities

• Design and implement software supporting our core product and portfolios including our body-worn physiological measurement sensors
• Create, integrate, and test new API’s, and software components into our product lines
• Design data management strategies and implement using modern frameworks
• Implement drivers to communication with custom PC peripherals
• Assist in the design and implementation of software solutions that translate proven research concepts into real-world products in the marketplace

Requirements

Qualifications

• Be currently enrolled in or have recently graduated with an undergraduate or graduate degree in computer engineering, computer science, or similar program
• Be fluent in Java, C#, or C++
• Strong object-oriented design skills
• Have experience with back-end development for Windows or Linux applications
• Experience with wearable technology sensors or real-time data signals is useful but not required
• Must be able to show valid work eligibility