Principal Developer Jobs in Philadephia, PA

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Lead Machine Learning Engineer PennDnA

Penn Medicine

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Philadelphia, Pennsylvania, USA

Full-time

Description Penn Medicine is dedicated to our tripartite mission of providing the highest level of care to patients, conducting innovative research, and educating future leaders in the field of medicine. Working for this leading academic medical center means collaboration with top clinical, technical and business professionals across all disciplines. Today at Penn Medicine, someone will make a breakthrough. Someone will heal a heart, deliver hopeful news, and give comfort and reassurance. Our e
Posted 60+ days ago | Updated 11 hours ago

Lead Software Engineer - Backend (Hybrid/Onsite)

Visa Inc.

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Remote or Bellevue, Washington, USA

Full-time

Company Description Visa is a world leader in payments and technology, with over 259 billion payments transactions flowing safely between consumers, merchants, financial institutions, and government entities in more than 200 countries and territories each year. Our mission is to connect the world through the most innovative, convenient, reliable, and secure payments network, enabling individuals, businesses, and economies to thrive while driven by a common purpose - to uplift everyone, everywhe
Posted 13 days ago | Updated 1 hour ago

Staff Software Engineer, Supply Platform

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: The Supply Platform team is chartered with building the platform and tooling to enable Airbnb to onboard an
Posted 52 days ago | Updated 1 hour 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 53 days ago | Updated 1 hour ago

Principal Software Engineer - FACE Applications (Hybrid)

RTX Corporation

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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 16 days ago | Updated 1 hour ago

Lead Infrastructure and Operations Engineer

HF Management Services LLC

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Remote

Full-time

The Lead Engineer, I&O serves as a senior technical resource, responsible for guiding diverse teams through the complexities of various domains which may include networking, database, cloud solutions, and other technical areas. The Lead Engineer, I&O applies a visionary technical leadership approach to ensure the seamless integration of intricate technical tasks with overarching departmental and organizational objectives. Additionally, this role works with and mentors other engineers to identif
Posted 54 days ago | Updated 21 days ago

Lead Software Engineer (Hybrid NYC)

T. Rowe Price

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Remote or New York, New York, USA

Full-time

At T. Rowe Price, we identify and actively invest in opportunities to help people thrive in an evolving world. As a premier global asset management organization with more than 85 years of experience, we provide investment solutions and a broad range of equity, fixed income, and multi-asset capabilities to individuals, advisors, institutions, and retirement plan sponsors. We take an active, independent approach to investing, offering our dynamic perspective and meaningful partnership so our clien
Posted 17 days ago | Updated 1 hour ago

Lead Software Engineer (Hybrid NYC)

T. Rowe Price

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Remote or New York, New York, USA

Full-time

Requisition Number: 77046 Position Title: External Description: About this Position At T. Rowe Price, Engineers are pivotal in shaping the future of financial services. Collaborating closely with our business partners, they craft client experiences that redefine investment strategies. We are seeking a talented Lead Software Engineer to join our Technology Development Center in Union Square, NYC. Are you passionate about tackling complex business, data, and technical challenges? You will lead an
Posted 18 days ago | Updated 1 hour ago

Lead Software Engineer - Backend & APIs

ADDSOURCE

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Remote or US

Third Party

Title: Lead Software Engineer - Backend & APIs Position Type: Contract Location: Remote across USA/ Canada Location: Canada (Ideal) but also open for USA candidates too. Highlights/Mandatory: An expert in designing and scaling distributed, event-driven backend architectures using TypeScript, NestJS, and PostgreSQL. Extensive experience designing and optimizing PostgreSQL schemas and queries. Mastery of ORM tools (TypeORM, Prisma) and event-driven programming (Kafka, RabbitMQ, or similar). Stro
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Posted 18 days ago | Updated 2 hours ago

Principal Engineer - Steam Turbine

ENTRUST Solutions Group

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Remote or Greenville, South Carolina, USA

Full-time

Join ENTRUST's Power Generation group as a fulltime-Principal Engineer - Steam Turbine focused on supporting steam turbines engineering activities. This position offers remote and hybrid schedule options with minimal travel required. ENTRUST Solutions Group Power Generation offers independent third-party engineering solutions to global power providers and plant operations. Power Generation's service offerings cover conventional and renewable power, as well as compliance, encompassing plant conc
Posted 58 days ago | Updated 1 hour ago

Software Engineer (ClojureJS, Google Cloud Platform, Typescript)

InfoObjects Inc

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Remote

Contract

Software Engineer (Clojure, Google Cloud Platform, Typescript) Location: 100% remote Duration: 6+ Months Contract Summary:Full stack needed, must have Clojure, Google Cloud Platform and TypescriptL4/L5 not entry level, 1+ years in testing, launching, dev**Clojure a mustSr engineer / level Staff Engineer with ClojureFull stack true full stack.The fte req looking for the front end.Contract more clojureCustomer facing ?The team work directly with CTO, she is managing the gapsAn engineering leader i
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Posted 5 days ago

Principal, Software Engineer - Conversational AI

Walmart Inc.

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Remote or Sunnyvale, California, USA

Full-time

Position Summary What you'll do Cortex Team is Walmarts core A.I. conversational platform, powering the vision of delivering the worlds best personal assistants to Walmarts customers, accessible via natural voice commands, text messages, rich UI interactions, and a mix of all of the above via multi-modal experiences. We believeconversationsare a natural and powerful user interface for interacting with technology and enable a richer customer experiences both online and in-store. We are building
Posted 60+ days ago | Updated 1 hour ago

Electrical and Instrumentation Lead Design Engineer

GE Vernova

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Remote

Full-time

Job Description Summary The employee will be responsible for the design of hydro generator and turbine electrical auxiliary (Instrumentation & Electrical protection) systems and monitoring for installed based projects. He/she will also be responsible to give technical support for supply chain and site activities related to hydro generators. Job Description Key responsibilities/essential functions include: We are looking for an auxiliary system electrical lead engineer with strong design skill
Posted 28 days ago | Updated 1 hour ago

Staff Software Engineer, Experimentation Platform

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 60+ days ago | Updated 1 hour ago

Staff Software Engineer, Product Safety

Pinterest, Inc.

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Remote or Chicago, Illinois, 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 60+ days ago | Updated 1 hour 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 25 days ago | Updated 1 hour ago

Asset Lifecycle Management Lead Engineer

KeyCorp

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Remote or Brooklyn, Ohio, USA

Full-time

Location: 4910 Tiedeman Road - Brooklyn, Ohio 44144 We are looking for a Lead Engineer in the Asset Lifecycle Management team to be responsible for configuration management database support, maintenance and updates. This candidate will work with technology teams and development engineers in support of our CMDB landscape in ServiceNow. This role will participate in regulator remediation activities through process and workflow adaptations or programming changes. They will be responsible for scrip
Posted 26 days ago | Updated 1 hour ago

Lead Windows Engineer

Infinite Computer Solutions (ICS)

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Remote

Full-time

Job Description: Job Title: Lead Windows Engineer Location: 100% Remote Type: Full Time/W2 with Infinite Computer Solutions Job Summary: We are seeking a Lead Windows Engineer to take ownership of end-to-end infrastructure solution delivery for our enterprise customers. This role requires close collaboration with cross-functional teams, including Development, Product, and Project Management, to deliver scalable, secure, and high-performing Windows-based solutions on both on-premises and cloud p
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Posted 21 hours ago

Senior Software Engineer - Full Stack (Remote)

Donnelley Financial Solutions

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Remote

Full-time

Join a dynamic team at the pulse of global markets, where we deliver innovative software and service solutions for essential financial reporting and capital markets transactions. At DFIN, we are a values-driven organization that empowers you to build a fulfilling career while bringing your authentic self to work every day. Our "Win as One" mentality ensures that our team's success is directly linked to Client, Shareholder and Employee Satisfaction. Recognized by Newsweek as one of AMERICA'S MOST
Posted 10 days ago | Updated 1 hour ago

Test Lead with Python

KCI, LLC

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Remote

Full-time

Not open for 3rd party, no visa sponsorship. This job is fully remote and open to only Tecnical testing leads with PYTHON programming experience. Software Engineer 4 - Test Lead (with PYTHON) Technical Testing Lead - iGridMinimum of 3-5 years of software development in test (SDET) experience in software development area (must have)Python programming experience (must have)Experience in following testing automation genres: micro services, integration & regression, AWS environment & toolsets, kafk
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Posted 12 days ago