Principal, Software Engineer Jobs in Massachusetts

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Principal Engineer

Flextronics

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Littleton, Massachusetts, USA

Full-time

Job Posting Start Date 07-22-2025 Job Posting End Date 09-30-2025 Flex is the diversified manufacturing partner of choice that helps market-leading brands design, build and deliver innovative products that improve the world. A career at Flex offers the opportunity to make a difference and invest in your growth in a respectful, inclusive, and collaborative environment. If you are excited about a role but don't meet every bullet point, we encourage you to apply and join us to create the extraord
Posted 60+ days ago | Updated 2 hours ago

Staff Software Engineer

Jack Henry & Associates

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Remote

Full-time

At Jack Henry, we deliver technology solutions that are digitally transforming and empowering community banks and credit unions to provide enhanced and streamlined user experiences to their customers and members. Our best-in-class products are just the start as we lay the groundwork for the future of digital banking and payments. We hope you'll join us. We can't do it without you. We are hiring a Staff Software Engineer to support our Enterprise Account Origination teams. This role is focused on
Posted 24 days ago | Updated 2 hours ago

Staff, Software Engineer - People.AI

Walmart Inc.

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Remote or Bentonville, Arkansas, USA

Full-time

Position Summary Walmart is a multi-national people-led tech-powered omni channel retailer with over 2.2M associates. AtPeople.AI, we help, support and empower the HR department with AI and Gen AI solutions to improve productivity, harness the opportunities for growth, focus on well-being and cultivate cultures of belonging to all Walmarts associates. People.AI is seeking a highly skilled and experiencedStaff Machine Learning Engineer. You will be responsible for leading the development of inno
Posted 22 days ago | Updated 2 hours ago

Senior Principal Systems Security Engineer (Program Protection / Anti-Tamper) - (On-site Marlborough, MA) P5

RTX Corporation

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Marlborough, Massachusetts, USA

Full-time

Date Posted: 2025-07-17 Country: United States of America Location: MA801: Marlborough, MA 1001 Boston Post Road Building 2, Marlborough, MA, 01752 USA Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: Active and transferable U.S. government issued security clearance is required prior to start date.Security Clearance: DoD Clearance: Secret At Raytheon, the foundation of everything we do is rooted in our values and a higher calling - to help our nation a
Posted 16 days ago | Updated 2 hours ago

Senior Principal Systems Security Engineer (Program Protection / Anti-Tamper) - (On-site Tewksbury, MA) P5

RTX Corporation

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Tewksbury, Massachusetts, USA

Full-time

Date Posted: 2025-07-17 Country: United States of America Location: MA131: Tewksbury, MA Bldg 1 Assabet 50 Apple Hill Drive Assabet - Building 1, Tewksbury, MA, 01876 USA Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: Active and transferable U.S. government issued security clearance is required prior to start date.Security Clearance: DoD Clearance: Secret At Raytheon, the foundation of everything we do is rooted in our values and a higher calling - t
Posted 16 days ago | Updated 2 hours ago

Principal Mechatronics Engineer

Motion Recruitment Partners, LLC

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Boston, Massachusetts, USA

Full-time

Our client is a fast-growing robotics startup in Boston revolutionizing how automation systems interact with the physical world. Specializing in intelligent robotic platforms, they are building agile, adaptable machines that solve complex challenges in manufacturing, logistics, and beyond. With a commitment to innovation, reliability, and scalable design, they are expanding their core engineering team and seeking a Principal Mechatronics Engineer to lead the development of next-generation electr
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Posted 39 days ago | Updated 11 hours ago

Staff Software Engineer, LLM Internal Tooling

Pinterest, Inc.

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Remote or San Francisco, California, USA

Full-time

About Pinterest: Millions of people around the world come to our platform to find creative ideas, dream about new possibilities and plan for memories that will last a lifetime. At Pinterest, we're on a mission to bring everyone the inspiration to create a life they love, and that starts with the people behind the product. Discover a career where you ignite innovation for millions, transform passion into growth opportunities, celebrate each other's unique experiences and embrace the flexibility
Posted 3 days ago | Updated 2 hours ago

Principal Data Center Engineer

Marlabs LLC

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Waltham, Massachusetts, USA

Contract, Third Party

Principal Data Center Engineer Duration: 18 Months Location: Waltham, MA (Onsite) EXPERIENCE: While the candidate should be highly technical, he/she must also have experience in customer-facing roles with excellent communication and presentation skills. The candidate must be: Strong communicator with excellent interpersonal skills. Capable of managing escalations and ensuring customer satisfaction through face-to-face interactions with Senior Director / VP level executives. Customer-focused wit
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Posted 40 days ago | Updated 27 days ago

Lead Software Engineer - CoCounsel AI Applications

Thomson Reuters U.S. Inc.

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Frisco, Texas, USA

Full-time

Ready to lead the next generation of AI-powered legal technology? Join Thomson Reuters and shape the future of CoCounsel AI Applications. At Thomson Reuters, we're revolutionizing how legal professionals work through cutting-edge generative AI solutions. As Lead Software Engineer of CoCounsel AI Applications, you'll will develop next generation CoCounsel product to transform the legal industry. About the role:As a Lead Software Engineer, you will: Be a Developer/Programmer- Develop software ap
Posted 14 hours ago | Updated 2 hours ago

Lead - Full Stack- Software Engineer (SaaS)

Robert Half

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Remote or Des Moines, Iowa, USA

Full-time

Description Position: Lead Software Engineer - Full Stack (SaaS) Location: Remote Salary: up to $175,000 base annual salary + 10% For immediate and confidential consideration, please send a message to MEREDITH CARLE on LinkedIn or send an email to me with your resume. My email can be found on my LinkedIn page. Lead Full-Stack Engineer - Build the Future from Day One Our client is launching something new-and they are looking for a Lead Full-Stack Engineer to help architect and build it fro
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Posted 23 hours ago | Updated 11 hours ago

Lead Software Engineer - CI/CD

Athenahealth

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Boston, Massachusetts, USA

Full-time

Join us as we work to create a thriving ecosystem that delivers accessible, high-quality, and sustainable healthcare for all. We are looking for a Lead Engineer to join the CI/CD team in our Internal Development Platform (IDP) zone. The IDP zone within athenahealth is responsible for developing, enhancing and maintaining all the core foundational components that are required by other development teams within athenahealth to successfully build their products. In addition, the zone also delivers s
Posted 40 days ago | Updated 9 hours ago

Principal Engineer, Electronic Warfare (EW) Architecture

Analog Devices, Inc.

•

Wilmington, Massachusetts, USA

Full-time

About Analog Devices Analog Devices, Inc. (NASDAQ: ADI ) is a global semiconductor leader that bridges the physical and digital worlds to enable breakthroughs at the Intelligent Edge. ADI combines analog, digital, and software technologies into solutions that help drive advancements in digitized factories, mobility, and digital healthcare, combat climate change, and reliably connect humans and the world. With revenue of more than $9 billion in FY24 and approximately 24,000 people globally, ADI
Posted 42 days ago | Updated 2 hours ago

Principal Engineer

Constellation Energy

•

Everett, Massachusetts, USA

Full-time

WHO WE ARE As the nation's largest producer of clean, carbon-free energy, Constellation is focused on our purpose: accelerating the transition to a carbon-free future. We have been the leader in clean energy production for more than a decade, and we are cultivating a workplace where our employees can grow, thrive, and contribute. Our culture and employee experience make it clear: We are powered by passion and purpose. Together, we're creating healthier communities and a cleaner planet, and our
Posted 60+ days ago | Updated 2 hours ago

Principal Engineer, Design Engineering (Hybrid)

RTX Corporation

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Remote or Aguadilla, Aguadilla, Puerto Rico

Full-time

Date Posted: 2025-05-27 Country: United States of America Location: PW222: PW Puerto Rico Road 110 North Km28.8 San Antonio Industrial Park, Aguadilla, PR, 00603 USA Position Role Type: Hybrid U.S. Citizen, U.S. Person, or Immigration Status Requirements: Security Clearance: None/Not Required Pratt & Whitney is working to once again transform the future of flight-designing, building and servicing engines unlike any the world has ever seen. And because transformation begins from within, we're s
Posted 51 days ago | Updated 2 hours ago

Senior Principal Hardware Production Support Engineer

RTX Corporation

•

Tewksbury, Massachusetts, USA

Full-time

Date Posted: 2025-07-17 Country: United States of America Location: MA131: Tewksbury, MA Bldg 1 Assabet 50 Apple Hill Drive Assabet - Building 1, Tewksbury, MA, 01876 USA Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: The ability to obtain and maintain a U.S. government issued security clearance is required.Security Clearance: DoD Clearance: Secret At Raytheon, the foundation of everything we do is rooted in our values and a higher calling - to help
Posted 17 days ago | Updated 2 hours ago

Principal Engineer, Machine Learning Ops

Harman International

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California, USA

Full-time

A Career at HARMAN As a technology leader that is rapidly on the move, HARMAN is filled with people who are focused on making life better. Innovation, inclusivity and teamwork are a part of our DNA. When you add that to the challenges we take on and solve together, you'll discover that at HARMAN you can grow, make a difference and be proud of the work you do every day. About the Role Join our team as a Principal MLOps Engineer and help build the infrastructure and deployment systems for a rev
Posted 60+ days ago | Updated 2 days ago

Senior/Lead Software Engineer (remote)

ALTA IT Services

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Remote or Washington, District of Columbia, USA

Full-time

Job Title: Senior/Lead Software Engineer Location: Washington , District Of Columbia (100% remote) Type: Contract To Hire Our client is seeking a talented and motivated Software Engineer with Full Stack experience to join our dynamic team. This role involves developing and maintaining both front-end and back-end components of our software applications. Required Education and Experience Must have a Bachelor's degree in Computer Science, Software Engineering, or a related discipline. Must have a
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Posted 16 days ago | Updated 11 hours ago

Staff Software Engineer, Manufacturing Engineering

Thermo Fisher Scientific

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Remote or Atlanta, Georgia, USA

Full-time

Work Schedule Standard (Mon-Fri) Environmental Conditions Adherence to all Good Manufacturing Practices (GMP) Safety Standards, Office, Some degree of PPE (Personal Protective Equipment) required (safety glasses, gowning, gloves, lab coat, ear plugs etc.) Job Description About Us: At Thermo Fisher Scientific, our mission is to enable our customers to make the world healthier, cleaner, and safer. We are revolutionizing the manufacturing industry with brand new technology and innovative solutio
Posted 11 days ago | Updated 2 hours ago

Staff Software Engineer, Secure Development Engineering

Airbnb

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Remote

Full-time

Airbnb was born in 2007 when two hosts welcomed three guests to their San Francisco home, and has since grown to over 5 million hosts who have welcomed over 2 billion guest arrivals in almost every country across the globe. Every day, hosts offer unique stays and experiences that make it possible for guests to connect with communities in a more authentic way. The Community You Will Join: Airbnb is built on trust. The Secure Software Development Engineering team is dedicated to ensuring the sec
Posted 29 days ago | Updated 2 hours ago

Staff, Software Engineer

Walmart Inc.

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Remote or Bellevue, Washington, USA

Full-time

Position Summary What you'll do Does leveraging Gen AI to bring delightful features to millions of customer worldwide excite you? Do you dream of play a key technical role in the future of Customer Service at Walmart? If you possess exceptional technical expertise, curiosity and a desire to build world class software at scale, this opportunity maybe for you. As a Staff Software Engineer with the Customer Care Technology team, you will own the technical design and implementation of key customer
Posted 53 days ago | Updated 2 hours ago