Principal Software Engineer Jobs in Virginia

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Staff Engineer, Software

Thermo Fisher Scientific

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Massachusetts, USA

Full-time

Work Schedule Standard (Mon-Fri) Environmental Conditions Office Job Description COMPANY: Thermo Fisher Scientific Inc. LOCATION: 168 Third Avenue, Waltham, MA 02451 TITLE: Staff Engineer, Software HOURS: Monday to Friday, 8:00 am to 5:00 pm DUTIES: Work with product development team of scientists and engineers to collect requirements and craft interactive scientific software solutions. Develop software applications using the latest browser, server side and database technologies.Maintain
Posted 10 days ago | Updated 4 hours ago

Staff Software Engineer - Full Stack/Java (Hybrid/Onsite)

Visa Inc.

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Remote or Austin, Texas, 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 10 days ago | Updated 4 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 10 days ago | Updated 5 hours ago

Principal Test Engineer

Leidos

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Reston, Virginia, USA

Full-time

Leidos has a new and exciting opportunity for a Principal Test Engineer in our National Security Sector's (NSS) Cyber & Analytics Business Area (CABA). Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management. At Leidos, we offer competitive benefits, including Paid Time Off, 11 paid Holidays, 401K with a 6% company match and immediate vestin
Posted 60+ days ago | Updated 4 hours ago

AI ML Engineer Principal

SAIC

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Remote

Full-time

Job ID: 2504476 Location: REMOTE WORK, CO, US Date Posted: 2025-05-20 Category: Engineering and Sciences Subcategory: Machine Learning Engineer Schedule: Full-time Shift: Day Job Travel: Yes, 10 % of the Time Minimum Clearance Required: Top Secret Clearance Level Must Be Able to Obtain: TS/SCI Potential for Remote Work: Yes Description SAIC is seeking an AI/ML Engineer Chief to support the AF TENCAP HOPE 2.0 contract. The AF TENCAP HOPE 2.0 contract bridges intelligence community coll
Posted 43 days ago | Updated 2 hours ago

Staff Software Engineer - Remote

Milliman IntelliScript

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Remote

Full-time

What We Do Milliman IntelliScript is a group of a few hundred experts in fields ranging from actuarial science to information technology to clinical practice. Together, we develop and deploy category-defining, data-driven, software-as-a-service (SaaS) products for a broad spectrum of insurance, health IT and life sciences clients. We are a business unit within Milliman, Inc., a respected consultancy with offices around the world. Candidates who have their pick of jobs are drawn to IntelliScript
Easy Apply
Posted 16 days ago

Senior Staff Software Engineer, Machine Learning

Discord Inc.

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Remote or San Francisco, California, USA

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. This individual i
Posted 5 hours ago

Staff Software Development Engineer

CVS Health

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Connecticut, USA

Full-time

At CVS Health, we're building a world of health around every consumer and surrounding ourselves with dedicated colleagues who are passionate about transforming health care. As the nation's leading health solutions company, we reach millions of Americans through our local presence, digital channels and more than 300,000 purpose-driven colleagues - caring for people where, when and how they choose in a way that is uniquely more connected, more convenient and more compassionate. And we do it all w
Posted 29 days ago | Updated 4 hours ago

Lead Software Engineer

Guardian Life Insurance Company

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Remote or New York, New York, USA

Full-time

Overview We are seeking a highly motivated Lead Software Engineer to join our team. In this role, you will work on deploying and managing applications on AWS and other cloud platforms, using various software frameworks such as Java, Node.js, Angular, React, and .NET. This position requires technical knowledge on AWS, SDLC concepts and will work independently with application development teams, business leaders, data and technical management to develop both architecture framework, and deliver so
Posted 60+ days ago | Updated 5 hours ago

Principal Analog Mixed Signal ASIC 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 12 days ago | Updated 5 hours ago

Lead Software Engineer

SS&C Technologies Inc

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Missouri, USA

Full-time

As a leading financial services and healthcare technology company based on revenue, SS&C is headquartered in Windsor, Connecticut, and has 27,000+ employees in 35 countries. Some 20,000 financial services and healthcare organizations, from the world's largest companies to small and mid-market firms, rely on SS&C for expertise, scale, and technology. Job Description We are seeking an experienced Lead Software Engineer to join our team. The ideal candidate will be responsible for the install, de
Posted 43 days ago | Updated 5 hours ago

Principal Process Controls & Validation Engineer

Regeneron Pharmaceutical

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Remote or Rensselaer, New York, USA

Full-time

Regeneron is currently looking for a Principal/ Staff Process Controls & Validation Engineer for the Labeled Drug Product fill/finish manufacturing processes. This is Monday-Friday, 8am-4:30pm schedule. Process Sciences is a technical services department that deals with a range of scientific, technical, engineering, and mathematical needs from the laboratory to the manufacturing floor. This role provides technical support to manufacturing, quality and CMC Regulatory for manufacturing processes f
Posted 21 days ago | Updated 4 hours ago

Principal Engineer - Probabilistic Risk Assessment (Hybrid)

Westinghouse Electric Company LLC

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Dallas, Texas, USA

Full-time

Are you interested in being part of a creative team that supports Westinghouse's mission to provide clean energy solutions? At Westinghouse, we recognize that our employees are our most valuable asset, and we want to recruit the most qualified talent while recognizing and encouraging the value of diversity in the global workplace. About the role: As a Principal Engineer for Risk Analysis, you will Perform Probabilistic Risk Assessments (PRA) for complex nuclear power plant systems evaluating a
Posted 60+ days ago | Updated 5 hours ago

Senior Staff Software Engineer, Community Support Engineering

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: At Airbnb, we're reimagining how support is delivered at a global scale. The Community Support Engineering
Posted 37 days ago | Updated 5 hours ago

Java Software Engineer Staff

Lockheed Martin Corporation

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Remote or King of Prussia, Pennsylvania, USA

Full-time

Job Description Combat Effectiveness Core (CEC) team is building a space combat simulator to model space conflicts. What forces will be needed to win? How can available resources best be allocated? What are the most effective defenses to adversary threats? CEC software simulates a wide range of scenarios, wargaming the actions from both sides of a conflict to help our stakeholders develop strategy, tactics, techniques, and procedures. The team builds on this foundation for our partners by creat
Posted 20 days ago | Updated 4 hours ago

Lead Software Engineer (IAM/CIAM)

Eliassen Group

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Anywhere, US

Contract

Description: Our client is looking for a lead software engineer to support multiple projects simultaneously, from the development phase to product support, relating to CIAM/IAM/SSO solutions. Our ideal candidate is a go-getter with a strong background in Java, CIAM/SSO, AWS, Rest API, GitHub, RDMS (Oracle preferred). This role can be 100% remote and the intention is to convert to a full time employee of our marvelous client! This is a contract to hire opportunity. Applicants must be willing and
Posted 9 days ago | Updated 4 hours ago

Staff Software Engineer, Control

PsiQuantum

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Remote or Palo Alto, California, USA

Full-time

Quantum computing holds the promise of humanity's mastery over the natural world, but only if we can build a real quantum computer. PsiQuantum is on a mission to build the first real, useful quantum computers, capable of delivering the world-changing applications that the technology has long promised. We know that means we will need to build a system with roughly 1 million qubits that supports fault tolerant error correction within a scalable architecture, and a data center footprint. By harnes
Posted 60+ days ago | Updated 4 hours ago

Lead Software Engineer Full Stack (Angular & Java)

Inclined Inc

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Remote

Contract, Third Party

Role : Lead Software Engineer Full Stack (Angular & Java) Location : US Remote 2+ years experience working in a lead capacity 10+ years of overall IT experience 3+ years of experience with Angular 8+ using NgRx 8+ years of experience implementing REST services with Java and Spring Boot Some experience in deploying to a cloud platform (Kubernetes, PCF, Google Cloud Platform, Azure, AWS, etc.) Some experience with TDD, in both frontend and backend technologies Good written and verbal communicatio
Easy Apply
Posted 4 days 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 12 days ago | Updated 4 hours ago

Staff Software Engineer, PinCompute 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 12 days ago | Updated 4 hours ago