Senior Principal Developer Jobs in Philadephia, PA

Refine Results
101 - 120 of 129 Jobs

Sr Staff Applications Operations Engineer

GE Aerospace

•

Remote

Full-time

Job Description Summary This Senior Staff Application Operations Engineer role is responsible for supporting and maintaining critical applications and related data processing platforms and services supporting the Digital Technology Quality Operations space. This role will ensure the team has the facilities, tools, resources and skills needed to deliver on commitments while tracking ongoing execution and delivery of Application Operations delivery SLAs, critical knowledge-based documentation, and
Posted 1 day ago | Updated 9 hours ago

Senior Staff AI Engineer - LLM inference optimization

Yoh - A Day & Zimmerman Company

•

Remote or San Jose, California, USA

Full-time

Senior Staff AI Engineer LLM inference optimization Roles and Responsibilities: Design and architect technical solutions to deliver foundational AIOS capabilities within SkyOS across ECU domains in electric vehicles (EVs).Lead the development of proof-of-concept projects to evaluate architectural designs for functionality, performance, security, and reliability.Collaborate closely with engineering teams to understand real-world development constraints and ensure high-quality implementation, val
Easy Apply
Posted 60+ days ago | Updated 3 hours ago

Principal Engineer, Autonomy Interface Software

General Motors

•

Remote

Full-time

Job Description Remote : This role is based remotely but if you live within a 50-mile radius of Mountain View, you are expected to report to that location three times a week, at minimum. Role: The Principal Software Engineer at General Motors should be an experienced leader who cares deeply about software and software quality. As a Principal Software Engineer, you will be responsible for designing, documenting, and implementing complex, highly scalable, low-latency software in C++ on high perf
Posted 6 hours ago

Lead Software Engineer, AI

Thomson Reuters U.S. Inc.

•

Remote or Eagan, Minnesota, USA

Full-time

Lead Software Engineer - AI, Westlaw We are seeking an experienced Lead Software Engineer to join our fast-moving, forward-thinking group that is creating AI-driven software for legal professionals, and our flagship product, Westlaw. You will be developing and implementing cutting-edge solutions using Python, REST APIs, AI technologies, and AWS cloud infrastructure. About the Role: In this role as a Lead Software Engineer - AI, you will: Innovate, implement and operationalize in a fast-paced E
Posted 60+ days ago | Updated 9 hours ago

Staff Software Development Engineer

CVS Health

•

Remote or Woonsocket, Rhode Island, USA

Full-time

Bring your heart to CVS Health. Every one of us at CVS Health shares a single, clear purpose: Bringing our heart to every moment of your health. This purpose guides our commitment to deliver enhanced human-centric health care for a rapidly changing world. Anchored in our brand - with heart at its center - our purpose sends a personal message that how we deliver our services is just as important as what we deliver. Our Heart At Work Behaviors support this purpose. We want everyone who works at C
Posted 60+ days ago | Updated 9 hours ago

Staff Software Engineer

Samsung Electronics America

•

Remote or Mountain View, California, USA

Full-time

Position Summary Samsung Ads is a leading innovator in advertising technology, dedicated to providing cutting-edge solutions that optimize ad performance and deliver exceptional results for our clients. We are seeking a highly skilled and experienced front-end staff engineer to join our dynamic team and help shape the future of the ad tech industry. We seek a talented Staff Engineer to play a pivotal role in enhancing our platform's performance advertising capabilities. As a Staff Engineer, So
Posted 60+ days ago | Updated 9 hours ago

Sr,Developers ,lead ( New Relic resources)

Sunsoft Solutions, Inc.

•

Remote

Third Party, Contract

Immediate need and interviews Legacy system migration & observability ( New Relic) We are looking for passionate Software Developers and leads to join our modernization team focused on upgrading legacy systems and implementing observability best practices. You will work closely with senior developers and architects to refactor legacy applications, integrate New Relic for performance monitoring, and contribute to building cloud-native solutions. Responsibilities Assist in migrating legacy applica
Easy Apply
Posted 14 days ago

Engineer, Sr Staff Fuels & Methods

Constellation Energy

•

Kennett Square, Pennsylvania, 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 3 hours ago

Engineer, Sr Staff Fuels & Methods

Constellation Energy

•

Kennett Square, Pennsylvania, 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 19 hours ago

Principal Software Engineer - FACE Applications (Hybrid)

RTX Corporation

•

Remote or Cedar Rapids, Iowa, USA

Full-time

Date Posted: 2025-06-09 Country: United States of America Location: HIA32: Cedar Rapids, IA 400 Collins Rd NE , Cedar Rapids, IA, 52498-0505 USA Position Role Type: Hybrid U.S. Citizen, U.S. Person, or Immigration Status Requirements: Security Clearance: None/Not Required Shape the future of military avionics software. Collins Aerospace is seeking an experienced Principal Project Engineer to lead cross-functional engineering efforts within our Military Avionics Open Platform Application Softw
Posted 15 days ago | Updated 9 hours ago

Electrical Design Engineer (Hybrid-Puerto Rico)

RTX Corporation

•

Remote or Aguadilla, Aguadilla, Puerto Rico

Full-time

Date Posted: 2025-04-23 Country: United States of America Location: HPR01: Collins Puerto Rico- Aguadilla Road 110 North Km 28.8 San Antonio Industrial Park, Aguadilla, PR, 00603 USA Position Role Type: Unspecified U.S. Citizen, U.S. Person, or Immigration Status Requirements: Security Clearance: Join Collins Aerospace as an Electrical Design Engineer and assume a key role within the Communication Products Engineering department in Mission Systems. We're looking to create a pipeline of passiona
Posted 60+ days ago | Updated 9 hours ago

Engineer, Sr Staff Fuels & Methods

Constellation Energy

•

Kennett Square, Pennsylvania, 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 9 hours ago

Digital Software Engineer Senior Lead Analyst

Citi

•

Remote or Irving, Texas, USA

Full-time

Citibank, N.A. seeks a Digital Software Engineer Senior Lead Analyst for its Irving, Texas location. Duties: Design enterprise architecture patterns, frameworks, and reusable services to support standards and cloud adoption utilized across operations, personal banking, and wealth management applications. Provide architectural guidance to application engineering groups. Enable cloud adoption using application programing interfaces (API) and Microservices, reference implementations, scalable comm
Posted 24 days ago | Updated 9 hours ago

Component Engineer - (SR. Mbr Engrg Staff) (HYBRID TELEWORK)

Lockheed Martin Corporation

•

Remote or Moorestown, New Jersey, USA

Full-time

Job Description WHO WE ARE We are committed to work-life balance by promoting this hybrid telework opportunity. These job requirements allow the employee to work at a Lockheed Martin-designated office or job site for part of their schedule and has a predefined regular, recurring telework schedule for the remaining part of their work schedule. At Lockheed Martin Rotary and Mission Systems, we are driven by innovation and integrity. We believe that by applying the highest standards of business e
Posted 25 days ago | Updated 9 hours ago

Principal Software Engineer, Anaplan Lead

Amgen Inc

•

Remote

Full-time

Career Category Information Systems Job Description Join Amgen's Mission of Serving Patients At Amgen, if you feel like you're part of something bigger, it's because you are. Our shared mission-to serve patients living with serious illnesses-drives all that we do. Since 1980, we've helped pioneer the world of biotech in our fight against the world's toughest diseases. With our focus on four therapeutic areas -Oncology, Inflammation, General Medicine, and Rare Disease- we reach millions of pat
Posted 27 days ago | Updated 9 hours ago

Big Data Engineer Sr Lead - SVP - TAMPA

Citi

•

Remote or Tampa, Florida, USA

Full-time

Role Overview: As part of Citi's broad transformation strategy, Regulatory Reporting team is undertaking a large-scale multi-year transformation. This will need strong engineers, agile practitioners, and technical visionaries to drive the success. To this effect, Application Development Sr Lead Analyst/Manager plays a pivotal role in the execution of data and technical strategy. A seasoned practitioner with experience of working with enterprise data warehouses and experience with data intensive
Posted 15 days ago | Updated 9 hours ago

Staff Mobile Engineer, iOS

Adobe Systems

•

Remote or New York, New York, USA

Full-time

Our Company Changing the world through digital experiences is what Adobe's all about. We give everyone-from emerging artists to global brands-everything they need to design and deliver exceptional digital experiences! We're passionate about empowering people to create beautiful and powerful images, videos, and apps, and transform how companies interact with customers across every screen. We're on a mission to hire the very best and are committed to creating exceptional employee experiences wher
Posted 60+ days ago | Updated 9 hours ago

Lead/Senior Machine Learning Engineer

Cisco Systems, Inc.

•

Remote

Full-time

Cisco Meraki is revolutionizing the way IT administrators manage their infrastructure by providing simple and secure cloud-managed solutions. With a large install base of customers and rich multidimensional data sets, the potential for data analytics to improve business performance for both our customers and our own business is enormous. About the role We, the data science team is a growing group that works closely with executives and leaders across the company to support the business strategy.
Posted 60+ days ago | Updated 9 hours ago

Lead Ruby on Rails Developer (Must Have Lead Experience)

Talent Groups

•

Remote

Contract, Third Party

Role: Ruby on Rails Developer Remote Contract Job Description: Required Qualifications: 5+ years of progressive software development/delivery experience with Ruby or similar language2+ years of experience working across a large codebase with responsibility for understanding how changes affect other parts of that codebaseProven ability to work in a fast-paced environment while maintaining adherence to standards and best practicesExperience leading small project teamOrganizational, analytical, and
Easy Apply
Posted 12 days ago | Updated 5 days ago

Electrical Design and Integration Engineer (Experienced, Lead or Senior)

Boeing Company

•

Remote or Everett, Washington, USA

Full-time

Electrical Design and Integration Engineer (Experienced, Lead or Senior) Company: The Boeing Company Boeing Space, Defense, Space & Security (BDS) is hiring two Electrical Design and Integration Engineers to join our team in Everett, WA or Tukwila, WA. The positions available are for candidates at various skill levels (Experienced, Lead or Senior) based on applicant demand and available talent. In this role, you will be responsible for the design, integration, and optimization of electrical w
Posted 7 days ago | Updated 9 hours ago