Jobs in the United States

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Added 26 mins ago
PF
Experienced Info Security Engineer (AI Automation)
Principal Financial Group
UNAVAILABLE
- $84,600 to $187,200 USD / year
Our AI Automation team is looking for an early-career engineer who is eager to learn, quick to try new things, and excited to turn emerging AI technology into real solutions that make work…
Added 26 mins ago
PF
Experienced Info Security Engineer (Product Owner Role)
Principal Financial Group
Des Moines, IA
- $104,400 to $191,000 USD / year
Info Sec Engineer III: $104,400 - $140,400 / year
Added 40 mins ago
Principal Mechanical Engineer
Actalent
Nashua, NH
We are seeking a highly motivated Principal Mechanical Engineer to provide technical leadership in the design, development, analysis, and integration of advanced electronic warfare,…
Added 44 mins ago
Principal Security Engineer
Jobgether
Remote, United States
This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Principal Security Engineer based in the United States.
Added 53 mins ago
O
Lead Principal Software Development Engineer
Oracle
Honolulu, HI
- $135,200 to $306,400 USD / year
As a Sr. Principal Software Development Engineer in the Oracle Cloud Infrastructure (OCI) Core Platform division, you will play a critical leadership role in the architecture, evolution,…
Added 2 hours ago
O
Principal Core Infrastructure Engineer
Oracle
Nashville, TN
- $114,600 to $234,600 USD / year
As a Principal Software Engineer, you will lead the design and development of FastConnect control plane services that manage a globally distributed fleet of networking infrastructure. You…
Added 3 hours ago
Staff Software Engineer-UKG Ready Payroll
UKG
Lowell
Added 3 hours ago
UG
Principal AI/ML Engineer Remote Nationwide or Office-Based in MN/DC/NJ
UnitedHealth Group
Eden Prairie, MN
- $164,600 to $282,200 USD / year
As the Principal AI/ML Engineer for GTS, you will serve as a director-level, hands-on technical leader who researches, designs, builds, and ships enterprise AI solutions for healthcare…
Added 3 hours ago
Principal AV Behavior Safety Engineering Lead
General Motors
Frankfort, KY
The AV Safety Strategy and Assurance team is seeking a hands‑on Principal engineer with extensive experience in the end‑to‑end development lifecycle of autonomous vehicle behaviors, from…
Added 3 hours ago
WI
(USA) Principal, Software Engineer
Walmart Inc.
United States
- $143,000 to $286,000 USD / year
The (USA) Principal, Software Engineer leads the design and delivery of scalable platform capabilities, including cloud-native architectures and AI-enhanced applications. This role drives…
Added 4 hours ago
Sr Principal Software Engineer
Northrop Grumman
Remote, United States
Northrop Grumman Mission Systems is looking for you to join our team as a Sr. Principal Software Engineer to join the MS Data & Analytics organization. This is a remote role and can be…
Added 4 hours ago
Principal Engineer - PVTP Architecture
General Motors LLC
Seattle, WA
As Principal Engineer, PVTP Architecture, you will be the senior technical authority and system architect for this ecosystem. You will set the long-term architecture and drive…
Added 4 hours ago
Principal Engineer Software (Device Security - Generative AI Back End)
Palo Alto Networks, Inc.
CA
Added 4 hours ago
Principal Software Engineer, Platform (DevEx)
ServiceTitan, Inc.
Remote, United States
A track record consistent with Principal-level scope: technical decisions and architecture that other teams and orgs build on, not just your own team's roadmap.
Added 4 hours ago
Staff Software Engineer, Platform (DevEx)
ServiceTitan, Inc.
Remote, United States
Partner with the Principal Engineer/EM to turn multi-quarter strategy into sequenced, shippable slices of infrastructure.
Added 4 hours ago
T
Principal Software Engineer Manager (AI Infrastructure) - North America Software Center
TSMC
Vancouver, WA
- $166,800 to $223,050 USD / year
We are seeking an experienced and visionary Principal Software Engineer Manager (AI Infrastructure) to build and lead a high-performing engineering team dedicated to defining and delivering…
Added 5 hours ago
Principal AI Platform Engineer
Compeer Financial
Mankato, MN · Bloomington, IL · Lakeville, MN · Sun Prairie, WI · Naperville, IL · Rochester, MN
Added 5 hours ago
Principal Physical Design Engineer
LSI Corporation
United States
Principal Physical Design Engineer - ASIC Products Division (APD)
Added 5 hours ago
Principal Physical Design Engineer, STA
LSI Corporation
United States
Principal Physical Design Engineer, STA - ASIC Products Division (APD)
Added 5 hours ago
O
Lead Principal Core Infrastructure Engineer
Oracle
Nashville, TN
- $146,300 to $306,400 USD / year
As a Lead Principal Core Infrastructure Engineer on Oracle's Strategic Customer Engineering team, you will play a critical role in driving complex technical initiatives across Oracle Cloud…
Added 5 hours ago
Principal Tech Ops Engineer, AWS Rack Manufacturing
Amazon Data Services, Inc.
Salt Lake City, UT
We are seeking a Principal Tech Operations Engineer to lead and scale regional manufacturing operations across a complex, multi vendor hardware production ecosystem. This role owns the end…
Added 5 hours ago
UE
Senior Market Leader - Water & Environment
Ulteig Engineers, In
Aurora, CO
- $160,200 to $216,600 USD / year
Serve as Principal-in-Charge on high-profile, complex water resource, modeling, sustainability, and infrastructure projects.
Added 5 hours ago
Principal Software Engineer
Sierra Nevada Corporation
Remote, United States
…Software Engineers work in an agile, collective environment. As a Principal Software Engineer, you will provide technical leadership and strategic direction for the development and…
Added 5 hours ago
KI
Principal Mechanical Engineer, Structures
Karman Industries
Los Angeles, CA
- $140,000 to $280,000 USD / year
Karman Industries is seeking a highly motivated Principal Structures Engineer to own structural analysis and design for the skids, weldments, and lifting/transport hardware that carry our…
Added 6 hours ago
U
Principal Engineer - Security AI
Uber
Seattle, WA · Sunnyvale, CA
- $302,000 to $336,000 USD / year
In this role, you will be the Principal Engineer focused on Security in the era of AI. As machine learning and generative AI reshape technology, new security challenges and opportunities…

Robert Half

Principal Software Engineer

Edison, NJ, United States

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Job details

Experience: Requirements • Minimum of 10 years of software engineering experience, with a proven track record of technical leadership.
Posting language: English
Posted: May 18, 2026

Original job description

Description We are looking for a Principal Software Engineer to join our team in Edison, New Jersey. In this role, you will be responsible for shaping the technical direction of our connected equipment platform while delivering high-quality software solutions. This Contract to permanent position offers the opportunity to lead impactful projects, collaborate with cross-functional teams, and contribute to the modernization of our systems. If you're passionate about scalable systems, enjoy mentoring others, and thrive in a fast-paced environment, this could be the perfect opportunity for you.

Responsibilities:

Provide technical leadership and mentorship to software engineers, fostering collaboration and a culture of excellence.
Develop and implement innovative solutions for complex engineering challenges to enhance system performance.
Build robust mobile, front-end, and back-end software components for our connected equipment platform.
Write clean, efficient, and scalable code, ensuring reliability and optimal performance.
Drive the transition from monolithic systems to scalable microservices architectures, modernizing the platform.
Lead efforts in system architecture design, database development, and strategic technical decisions.
Collaborate with Product Managers to define and prioritize features, ensuring alignment with business goals.
Work closely with senior leadership to address critical business needs through technology.
Partner with QA engineers to deliver thoroughly tested and user-focused software solutions.
Stay up-to-date with emerging technologies, recommending tools and frameworks to improve productivity. Requirements • Minimum of 10 years of software engineering experience, with a proven track record of technical leadership.
Strong proficiency in C#, .NET, and ASP.NET, with hands-on expertise in building scalable systems.
Solid experience with JavaScript and React.js for front-end development.
Deep knowledge of system architecture, microservices, and database design.
Ability to write clean, efficient, and maintainable code in a fast-paced environment.
Skilled in leading teams and mentoring engineers to achieve technical excellence.
Familiarity with agile development processes and iterative delivery.
Strong communication and collaboration skills to work effectively with cross-functional teams. Technology Doesn't Change the World, People Do.®

Robert Half is the world’s first and largest specialized talent solutions firm that connects highly qualified job seekers to opportunities at great companies. We offer contract, temporary and permanent placement solutions for finance and accounting, technology, marketing and creative, legal, and administrative and customer support roles.

Robert Half works to put you in the best position to succeed. We provide access to top jobs, competitive compensation and benefits, and free online training. Stay on top of every opportunity - whenever you choose - even on the go. Download the Robert Half app (https://www.roberthalf.com/us/en/mobile-app) and get 1-tap apply, notifications of AI-matched jobs, and much more.

All applicants applying for U.S. job openings must be legally authorized to work in the United States. Benefits are available to contract/temporary professionals, including medical, vision, dental, and life and disability insurance. Hired contract/temporary professionals are also eligible to enroll in our company 401(k) plan. Visit roberthalf.gobenefits.net for more information.

© 2025 Robert Half. An Equal Opportunity Employer. M/F/Disability/Veterans. By clicking “Apply Now,” you’re agreeing to Robert Half’s Terms of Use (https://www.roberthalf.com/us/en/terms) and Privacy Notice (https://www.roberthalf.com/us/en/privacy) .

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