Principal Software Engineer Jobs in Philadephia, PA

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Sr. Staff Software Engineer - AI Products and Platforms

Eli Lilly and Company

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Remote or Indianapolis, Indiana, USA

Full-time

At Lilly, we unite caring with discovery to make life better for people around the world. We are a global healthcare leader headquartered in Indianapolis, Indiana. Our employees around the world work to discover and bring life-changing medicines to those who need them, improve the understanding and management of disease, and give back to our communities through philanthropy and volunteerism. We give our best effort to our work, and we put people first. We're looking for people who are determined
Posted 54 days ago | Updated 11 hours ago

Staff Software Engineer, Payments Funds Ledger

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's mission is to create a world where anyone can belong anywhere. Airbnb Payments team supports this
Posted 60+ days ago | Updated 11 hours ago

Digital Software Engineer Senior Lead Analyst

Citi

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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 26 days ago | Updated 11 hours ago

Senior Staff Software Engineer, Backend (Platform - Risk)

Coinbase

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Remote

Full-time

Ready to be pushed beyond what you think you're capable of? At Coinbase, our mission is to increase economic freedom in the world. It's a massive, ambitious opportunity that demands the best of us, every day, as we build the emerging onchain platform - and with it, the future global financial system. To achieve our mission, we're seeking a very specific candidate. We want someone who is passionate about our mission and who believes in the power of crypto and blockchain technology to update the
Posted 60+ days ago | Updated 11 hours ago

Staff Software Engineer - DevEx Platform

Circles Inc.

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Remote or San Francisco, California, USA

Full-time

Circle is a financial technology company at the epicenter of the emerging internet of money, where value can finally travel like other digital data - globally, nearly instantly and less expensively than legacy settlement systems. This ground-breaking new internet layer opens up previously unimaginable possibilities for payments, commerce and markets that can help raise global economic prosperity and enhance inclusion. Our infrastructure - including USDC, a blockchain-based dollar - helps busines
Posted 60+ days ago | Updated 11 hours ago

Senior Staff Software Engineer, Backend (Platform - FinHub)

Coinbase

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Remote

Full-time

Ready to be pushed beyond what you think you're capable of? At Coinbase, our mission is to increase economic freedom in the world. It's a massive, ambitious opportunity that demands the best of us, every day, as we build the emerging onchain platform - and with it, the future global financial system. To achieve our mission, we're seeking a very specific candidate. We want someone who is passionate about our mission and who believes in the power of crypto and blockchain technology to update the
Posted 60+ days ago | Updated 11 hours ago

Staff Software Engineer - UI and Interactions (Full-Stack)

Discord Inc.

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Remote

Full-time

Discord is used by over 200 million people every month for many different reasons, but there's one thing that nearly everyone does on our platform: play video games. Over 90% of our users play games, spending a combined 1.5 billion hours playing thousands of unique titles on Discord each month. Discord plays a uniquely important role in the future of gaming. We are focused on making it easier and more fun for people to talk and hang out before, during, and after playing games. Join our team as
Posted 11 days ago | Updated 11 hours ago

Senior Staff Engineer - Linux Kernel Software Engineer

Qualcomm Technologies

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Remote or Santa Clara, California, USA

Full-time

Company: Qualcomm Atheros, Inc. Job Area: Engineering Group, Engineering Group > Software Engineering General Summary: We are looking for motivated Linux Kernel Software Engineer to join the Qualcomm Infrastructure Wi-Fi Connectivity group, to be part of defining the next generation WLAN products. As part of this group, you will be responsible for: Work with the Opensource community and Qualcomm upstream wireless ath12k driver to contribute and review patchesWork with a kenel.org project and
Posted 60+ days ago | Updated 11 hours ago

Sr. Databricks Lead Engineer - 100% Remote

Smart Caliber Technology

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Remote

Third Party, Contract

Position: Sr. Databricks Lead engineer Duration: 6+ months Location: 100% Remote Job Summary: We are looking for a highly skilled and motivated Senior Data Engineer to lead the design and development of scalable, enterprise-grade data pipelines and frameworks within the Azure ecosystem. This role requires deep expertise in Databricks (PySpark/Scala), Delta Lake, real-time data streaming, and Azure integration tools. The ideal candidate will have hands-on experience implementing the Medallion arc
Easy Apply
Posted 1 day ago | Updated 18 hours ago

Staff Software Engineer, Backend (Institutional - Exchange)

Coinbase

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Remote

Full-time

Ready to be pushed beyond what you think you're capable of? At Coinbase, our mission is to increase economic freedom in the world. It's a massive, ambitious opportunity that demands the best of us, every day, as we build the emerging onchain platform - and with it, the future global financial system. To achieve our mission, we're seeking a very specific candidate. We want someone who is passionate about our mission and who believes in the power of crypto and blockchain technology to update the
Posted 60+ days ago | Updated 11 hours ago

Staff Software Engineer, Backend (Platform - Risk Platform)

Coinbase

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Remote

Full-time

Ready to be pushed beyond what you think you're capable of? At Coinbase, our mission is to increase economic freedom in the world. It's a massive, ambitious opportunity that demands the best of us, every day, as we build the emerging onchain platform - and with it, the future global financial system. To achieve our mission, we're seeking a very specific candidate. We want someone who is passionate about our mission and who believes in the power of crypto and blockchain technology to update the
Posted 60+ days ago | Updated 11 hours ago

Lead AI/ML Software Engineer - Remote

UnitedHealth Group

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Remote or Eden Prairie, Minnesota, USA

Full-time

Optum is a global organization that delivers care, aided by technology to help millions of people live healthier lives. The work you do with our team will directly improve health outcomes by connecting people with the care, pharmacy benefits, data and resources they need to feel their best. Here, you will find a culture guided by diversity and inclusion, talented peers, comprehensive benefits and career development opportunities. Come make an impact on the communities we serve as you help us adv
Posted 60+ days ago | Updated 11 hours ago

Lead Software Engineer - Remote

UnitedHealth Group

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Remote or San Diego, California, USA

Full-time

Optum is a global organization that delivers care, aided by technology to help millions of people live healthier lives. The work you do with our team will directly improve health outcomes by connecting people with the care, pharmacy benefits, data and resources they need to feel their best. Here, you will find a culture guided by diversity and inclusion, talented peers, comprehensive benefits and career development opportunities. Come make an impact on the communities we serve as you help us adv
Posted 40 days ago | Updated 11 hours ago

Lead Software Engineer, CoCounsel AI Assistant

Thomson Reuters U.S. Inc.

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Remote or Eagan, Minnesota, USA

Full-time

Lead Software Engineer, CoCounsel AI Assistant Are you a Full Stack software engineer passionate about building AI-driven products? Would you like to help shape the future of agentic UIs? If that's you, then consider joining the CoCounsel AI Assistant team as a Lead Fullstack Software engineer. You'll be part of a team responsible for pushing forward innovative products for legal and other professionals. About the Role The CoCounsel AI Assistant team is both a platform and a product team. The Le
Posted 17 days ago | Updated 11 hours ago

Principal Data Science ML Engineer - Hybrid - Seattle

Nordstrom

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Remote or Seattle, Washington, USA

Full-time

Job Description As a Principal Machine Learning Engineers at Nordstrom you will have the opportunity to develop and implement advanced machine learning systems and infrastructure, focusing on Merchandising, Supply Chain, and Inventory helping Nordstrom optimize profit while improving the customer experience. The Principal ML Engineer will collaborate closely with data scientists, software engineers, and product teams to translate complex business problems into production-ready solutions. You wi
Posted 60+ days ago | Updated 11 hours ago

Staff Software Engineer, Backend (Institutional - Foundations)

Coinbase

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Remote

Full-time

Ready to be pushed beyond what you think you're capable of? At Coinbase, our mission is to increase economic freedom in the world. It's a massive, ambitious opportunity that demands the best of us, every day, as we build the emerging onchain platform - and with it, the future global financial system. To achieve our mission, we're seeking a very specific candidate. We want someone who is passionate about our mission and who believes in the power of crypto and blockchain technology to update the
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 14 days ago | Updated 11 hours ago

Principal Digital Electronics Design 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 11 hours ago

Principal Power Supply Design Engineer (Hybrid)

RTX Corporation

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Remote or Windsor, Connecticut, USA

Full-time

Date Posted: 2025-03-27 Country: United States of America Location: 01: Building 01 Windsor Locks One Hamilton Road, Windsor Locks, CT, 06096 USA Position Role Type: Hybrid U.S. Citizen, U.S. Person, or Immigration Status Requirements: Security Clearance: None/Not Required Joining Collins Aerospace isn't just about finding a job; it's about embarking on a journey to redefine the future of aerospace technology. Collins Aerospace, an RTX company, is a leader in technologically advanced and inte
Posted 60+ days ago | Updated 11 hours 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
Easy Apply
Posted 20 days ago | Updated 11 hours ago