Principal Software Developer Jobs in Phoenix, AZ

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Principal Cybersecurity Engineer

NuLeap

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Remote or US

Third Party

Job Summary (List Format): - Lead the design and implementation of secure, scalable, and high-performance cloud-based systems. - Architect and develop backend systems using Rust (Tokio, Actix, Axum, Rocket) and Scala (Akka, ZIO, Cats, Play). - Ensure secure execution environments utilizing WebAssembly (WASM). - Employ extensive AWS services (Lambda, ECS, S3, API Gateway, CloudFront, DynamoDB, GuardDuty, WAF, Security Hub, KMS) for cloud infrastructure and security. - Implement and enforce AP
Posted 60+ days ago | Updated 8 days ago

(Remote) Principal Engineer

First American Financial Corporation

•

Remote or Santa Ana, California, USA

Full-time

Who We Are Join a team that puts its People First! Since 1889, First American (NYSE: FAF) has held an unwavering belief in its people. They are passionate about what they do, and we are equally passionate about fostering an environment where all feel welcome, supported, and empowered to be innovative and reach their full potential. Our inclusive, people-first culture has earned our company numerous accolades, including being named to the Fortune 100 Best Companies to Work For list for ten conse
Posted 60+ days ago | Updated 10 hours ago

Senior Staff Software Engineer - Fullstack

ServiceNow, Inc.

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Remote or West Palm Beach, Florida, USA

Full-time

Company Description It all started in sunny San Diego, California in 2004 when a visionary engineer, Fred Luddy, saw the potential to transform how we work. Fast forward to today - ServiceNow stands as a global market leader, bringing innovative AI-enhanced technology to over 8,100 customers, including 85% of the Fortune 500 . Our intelligent cloud-based platform seamlessly connects people, systems, and processes to empower organizations to find smarter, faster, and better ways to work. But thi
Posted 13 days ago | Updated 10 hours ago

Senior Staff Software Engineer - Fullstack

ServiceNow, Inc.

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Remote or Addison, Texas, USA

Full-time

Company Description It all started in sunny San Diego, California in 2004 when a visionary engineer, Fred Luddy, saw the potential to transform how we work. Fast forward to today - ServiceNow stands as a global market leader, bringing innovative AI-enhanced technology to over 8,100 customers, including 85% of the Fortune 500 . Our intelligent cloud-based platform seamlessly connects people, systems, and processes to empower organizations to find smarter, faster, and better ways to work. But thi
Posted 13 days ago | Updated 10 hours ago

Senior Staff Software Engineer - Fullstack

ServiceNow, Inc.

•

Remote or San Diego, California, USA

Full-time

Company Description It all started in sunny San Diego, California in 2004 when a visionary engineer, Fred Luddy, saw the potential to transform how we work. Fast forward to today - ServiceNow stands as a global market leader, bringing innovative AI-enhanced technology to over 8,100 customers, including 85% of the Fortune 500 . Our intelligent cloud-based platform seamlessly connects people, systems, and processes to empower organizations to find smarter, faster, and better ways to work. But thi
Posted 13 days ago | Updated 10 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 10 hours ago

Staff Software Engineer, AI Solutions

10x Genomics

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California, USA

Full-time

About the role 10x Genomics helps researchers answer biology's hardest and most elusive questions with single cell and spatial biology technology. We're harnessing the power of AI and large language models (LLMs) to revolutionize how researchers interact with their data and drive discovery. As an AI/LLM Engineer, you'll be at the forefront of developing intelligent, user-centric solutions that assist scientists and internal teams throughout their research journey-from experimental design and d
Posted 33 days ago | Updated 10 hours ago

Pega Lead Developer - Vice President - (Hybrid)

Citi

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Remote or Irving, Texas, USA

Full-time

Citi, the leading global bank, has approximately 200 million customer accounts and does business in more than 160 countries and jurisdictions. Citi provides consumers, corporations, governments, and institutions with a broad range of financial products and services, including consumer banking and credit, corporate and investment banking, securities brokerage, transaction services, and wealth management. As a bank with a brain and a soul, Citi creates economic value that is systemically responsib
Posted 10 hours ago

Lead Engineer - MES Opcenter

Katalyst Healthcares and Lifesciences

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Remote or New York, USA

Full-time

Job Description: The Lead Engineer will lead a team of technical resources to design, develop, configure, and test MES (Manufacturing Execution Systems) solutions. They will be directly responsible for leading resources contracted vi third-party and through other Pharmaceutical organizations to develop & deploy MES application software to Medical Device manufacturing sites globally. Responsibilities: Act as subject matter expert on system design and architecture. Solutioning and designing new
Posted 36 days ago | Updated 10 hours ago

DPHM ADEM Modeling Lead, Principal Engineer (Hybrid)

RTX Corporation

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Remote or Aguadilla, Aguadilla, Puerto Rico

Full-time

Date Posted: 2025-07-29 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 2 days ago | Updated 10 hours ago

Lead Engineer, Big Data

Molina Healthcare

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Remote or Long Beach, California, USA

Full-time

Job Description JOB SUMMARY Responsible for all the aspects of architecture, design and implementation of Data Management solution using Big Data platform on Cloudera or Hortonworks and other areas of enterprise application platforms. KNOWLEDGE, SKILLS & ABILITIES (Generally, the occupational knowledge and specific technical and professional skills and abilities required to perform the essential duties of this job): Provide leadership on choosing ideal Architecture, evaluating tools and Fram
Posted 47 days ago | Updated 10 hours ago

Staff Software Engineer in Test Systems Engineer

GE Aerospace

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Remote

Full-time

Job Description Summary Are you ready to take the lead in designing cutting-edge software architectures for data acquisition systems used in aircraft engine testing? Join our Data Acquisition Systems team and revolutionize how we acquire, store, manage, and process test data. You'll evaluate both vendor and in-house systems, explore new technologies, and spearhead software development efforts to advance our test cell systems. If you're passionate about collaborating with a dynamic team to upgrad
Posted 19 days ago | Updated 10 hours ago

Sr. RPA Developer

StoneGate-Technologies LLC

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Remote

Third Party, Contract

Title:Sr. RPA Developer(Remote) Location: Atlanta, GA 30334 Interview type: Webcam interview only Job Description: As part of the RPA team, this individual will lead the design, development, and implementation of UiPath automation solutions while mentoring a team of developers and ensuring adherence to best practices and architectural standards. You will work closely with architects, Sr. developers, managers, executives, and other groups throughout the development process. The ideal candidate co
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Posted 1 day ago

(USA) Senior, Software Engineer - Unified Payments Platform

Walmart Inc.

•

Remote or Bentonville, Arkansas, USA

Full-time

Position Summary What you'll do About the Team: The Unified Payments team is building a next-generation platform to handle all payment processing across Walmart's physical and digital channels.The platform is being re-architected from a legacy mainframe to a modern, cloud-native solution. Senior Software Engineer, you'll play a critical role in designing, developing, and delivering scalable solutions for Walmart's Unified Payments Platform. You'll work closely with Staff Engineers and cross-fu
Posted 10 hours 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 60+ days ago | Updated 10 hours ago

Staff Software Engineer, Backend - Onchain DevX

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 16 days ago | Updated 10 hours ago

Lead Engineer - Plant Electrical Systems Design

GE Vernova

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Remote or Wilmington, North Carolina, USA

Full-time

Job Description Summary Plant electric power distribution systems (EPDS) design including nuclear (NI) and turbine island (TI), balance of plant (BOP), and interface to switchyard and grid. Scope includes safety-related (S-R) or Safety Class 1 (SC1), augmented quality or SC2 and SC3, and nonsafety-related (NSR) systems for; advanced light water reactor (ALWR) [focus on BWRX-300] and advanced liquid metal reactor (ALMR) [Natrium] for commercial nuclear power plants and test facilitiesThis role fo
Posted 5 days ago | Updated 10 hours ago

Staff, 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 Walmart's core A.I. conversational platform, powering the vision of delivering the world's best personal assistants to Walmart's customers, accessible via natural voice commands, text messages, rich UI interactions, and a mix of all of the above via multi-modal experiences. We believe conversations are a natural and powerful user interface for interacting with technology and enable a richer customer experiences - both online and in-store. We are
Posted 39 days ago | Updated 10 hours ago

Staff Software Engineer, Compute Data Plane

Airbnb

•

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 Cloud Infrastructure team is responsible for delivering and operating the foundational platforms and clo
Posted 32 days ago | Updated 10 hours ago

Lead Platform Engineer

Booz Allen Hamilton

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Remote

Full-time

Job Number: R0222646 Platform Engineer, Lead The Opportunity: Are you looking for an opportunity to leverage your Platform Engineering expertise in a high-impact role? Booz Allen is building a next-generation end-to-end platform for development, testing, and production workloads to accelerate secure software development. We're looking for a Lead Platform Engineer to join the team. You'll help operate a secure, reliable, and highly available Cloud, managed hosting, and developer platform. You s
Posted 20 days ago | Updated 11 hours ago