Principal, Software Engineer Jobs in Connecticut

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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

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 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
Easy Apply
Posted 11 hours ago

Sr. Principal Superalloys Engineer - Onsite

RTX Corporation

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East Hartford, Connecticut, USA

Full-time

Date Posted: 2025-07-21 Country: United States of America Location: PW100: East Hartford 400 Main Street, East Hartford, CT, 06118 USA Position Role Type: Onsite 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 seeking the people to drive it.
Posted 13 days ago | Updated 2 hours ago

Senior Principal Engineer, Electro-mechanical Controls (Onsite)

RTX Corporation

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Windsor, Connecticut, USA

Full-time

Date Posted: 2025-06-19 Country: United States of America Location: 01: Building 01 Windsor Locks One Hamilton Road, Windsor Locks, CT, 06096 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 Collins Aerospace's Power & Controls team is looking for a Senior Principal Engineer to play a pivotal role in advancing our Ele
Posted 40 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

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 1 day 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
Easy Apply
Posted 16 days ago | Updated 11 hours ago

Principal Superalloys Engineer - Onsite

RTX Corporation

•

East Hartford, Connecticut, USA

Full-time

Date Posted: 2025-07-11 Country: United States of America Location: PW100: East Hartford 400 Main Street, East Hartford, CT, 06118 USA Position Role Type: Onsite 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 seeking the people to drive it.
Posted 27 days ago | Updated 2 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

Principal Engineer, Durability - HSRI Integrator - (On-site)

RTX Corporation

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East Hartford, Connecticut, USA

Full-time

Date Posted: 2025-06-11 Country: United States of America Location: PW100: East Hartford 400 Main Street, East Hartford, CT, 06118 USA Position Role Type: Onsite 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 seeking the people to drive it.
Posted 48 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

Staff Software Engineer, Java

eBay Inc.

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Remote or Austin, Texas, USA

Full-time

At eBay, we're more than a global ecommerce leader - we're changing the way the world shops and sells. Our platform empowers millions of buyers and sellers in more than 190 markets around the world. We're committed to pushing boundaries and leaving our mark as we reinvent the future of ecommerce for enthusiasts. Our customers are our compass, authenticity thrives, bold ideas are welcome, and everyone can bring their unique selves to work - every day. We're in this together, sustaining the futur
Posted 28 days ago | Updated 2 hours ago

Lead Software Engineer

S&P Consultants

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Remote or Raleigh, North Carolina, USA

Full-time

About the Role: Grade Level (for internal use): 11 The Team: The Core Services team is a highly collaborative, innovation-driven group that builds the foundational frameworks and platforms used by engineering teams across the enterprise. We value clean architecture, developer experience, and rapid experimentation, and we take pride in enabling others to build scalable, cloud-native solutions with speed and consistency. Our team thrives on open communication, continuous improvement, and deliver
Posted 33 days ago | Updated 2 hours ago

Principal Network Operation Engineer - GNOC (Remote)

Oracle Corporation

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Texas, USA

Full-time

Job Description We are seeking a skilled and proactive engineers with 6+ years of experience to join our Global Network Operations Center (GNOC) team. The GNOC is our front-line for addressing physical network issues and operates 24x7x365 to ensure the reliability and efficiency of our physical network infrastructure. The team is responsible for performing data collection, triage, technical analysis, incident mitigation, and redirection as necessary to maintain and optimize operations. This ons
Posted 34 days ago | Updated 2 hours ago

(USA) Staff, Software Engineer - Global Governance

Walmart Inc.

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Remote or Bentonville, Arkansas, USA

Full-time

Position Summary What you'll do Walmart's Enterprise Business Services (EBS) is a powerhouse of seven exceptional teams delivering world-class technology solutions and services making a profound impact at every level of Walmart. As a key part of Walmart Global Tech, our teams set the bar for operational excellence and leverage emerging technology to support millions of customers, associates, and stakeholders worldwide. Joining EBS means embarking on a journey of limitless growth, relentless in
Posted 3 days ago | Updated 2 hours ago

Principal Communications Engineer

Draper

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Remote or Cambridge, Massachusetts, USA

Full-time

Overview: Draper is an independent, nonprofit research and development company headquartered in Cambridge, MA. The 2,000+ employees of Draper tackle important national challenges with a promise of delivering successful and usable solutions. From military defense and space exploration to biomedical engineering, lives often depend on the solutions we provide. Our multidisciplinary teams of engineers and scientists work in a collaborative environment that inspires the cross-fertilization of ideas
Posted 60+ days ago | Updated 2 hours ago

Staff, Software Engineer - Front-End UI

Walmart Inc.

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Remote or Bentonville, Arkansas, USA

Full-time

Position Summary Walmart's Enterprise Business Services (EBS) is a powerhouse of seven exceptional teams delivering world-class technology solutions and services making a profound impact at every level of Walmart. As a key part of Walmart Global Tech, our teams set the bar for operational excellence and leverage emerging technology to support millions of customers, associates, and stakeholders worldwide. Joining EBS means embarking on a journey of limitless growth, relentless innovation, and the
Posted 20 days ago | Updated 2 hours ago

Principal, Development Engineer - Remote

Constellation Energy

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Remote or Raleigh, North Carolina, 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 35 days ago | Updated 2 hours ago