Principal Software Engineer Jobs in Missouri

521 - 540 of 668 Jobs

Senior Staff Verification EngineerJob Title - Senior Staff Verification Engineer

Marvell Semiconductor Inc.Company Name - Marvell Semiconductor Inc.

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Texas, USA

Full-time

About Marvell Marvell's semiconductor solutions are the essential building blocks of the data infrastructure that connects our world. Across enterprise, cloud and AI, automotive, and carrier architectures, our innovative technology is enabling new possibilities. At Marvell, you can affect the arc of individual lives, lift the trajectory of entire industries, and fuel the transformative potential of tomorrow. For those looking to make their mark on purposeful and enduring innovation, above and be

Senior Staff IT DeveloperJob Title - Senior Staff IT Developer

Right Skale, Inc.Company Name - Right Skale, Inc.

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Illinois, USA

Third Party

The Staff/Senior Staff IT Developer (Application Security) will design and secure internal applications, conduct security code reviews, perform penetration testing, and collaborate with cross-functional teams in an Agile environment. Key Responsibilities: Design secure, scalable IT solutions focused on performance. Conduct security code reviews for quality and best practices. Identify and remediate vulnerabilities (e.g., XSS, SQLi, CSRF, SSRF). Perform web app penetration testing (manual/automa

Lead Piping Stress Engineer 1 - NuclearJob Title - Lead Piping Stress Engineer 1 - Nuclear

Sargent & Lundy LLC.Company Name - Sargent & Lundy LLC.

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Remote

Full-time

Description Piping Engineering & Analysis Synopsis The Piping Engineering & Analysis discipline performs evaluations for piping systems in accordance with ASME Boiler and Pressure Vessel Code, ASME B31.1, ASME B31.7, and other codes as applicable to the specific evaluation being performed. The Piping Engineering & Analysis discipline also performs the following specialty topics. Vibration monitoring and analysis to evaluate system operational vibrations associated with plant modifications and

Ab Initio Lead ETL DeveloperJob Title - Ab Initio Lead ETL Developer

UNICOM TECHNOLOGIES INCCompany Name - UNICOM TECHNOLOGIES INC

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Remote or Norfolk, Virginia, USA

Full-time, Part-time, Contract, Third Party

Role: Ab Initio Lead ETL Developer Location Remote 10+ years' experience working in data warehousing environment using Ab Initio suite Rate $55/Hr On W2 ANY Visa Okay Only W2 No C2C Entertained Responsibilities: As an Ab Initio ETL Senior Developer, you will: Data Management: Oversee the extraction, transformation, and loading (ETL) processes for data warehousing. Component Design: Design and integrate ETL components while addressing and resolving data-related issues, collaborating closely

Lead Engineer - Stability Analysis (Remote Eligible, U.S.)Job Title - Lead Engineer - Stability Analysis (Remote Eligible, U.S.)

GE VernovaCompany Name - GE Vernova

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Remote

Full-time

Job Description Summary As a contributing member of the LOCA, Containment & Stability Analysis Team, you will perform safety analysis for plant thermal-hydraulic Stability, plant noise, Power Range Neutron Monitor (PRNM) stability interface, and other analyses supporting reload applications for Boiling Water Reactor (BWR) plants, including currently operating BWR plants as well as new plants (BWRX, Natrium) operating or planned worldwide. Job Description Essential Responsibilities Perform plan

Lead Field Service Engineer-MV/LV DrivesJob Title - Lead Field Service Engineer-MV/LV Drives

GE VernovaCompany Name - GE Vernova

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Remote

Full-time

Job Description Summary GE Vernova's Power Conversion & Storage business combines advanced energy conversion and storage systems to meet the electrification needs of utilities and industries. With a focus on power stability, energy storage and industrial electrification solutions, Power Conversion & Storage empowers customers by addressing their most complex electrification challenges and accelerating their transition to a sustainable, decarbonized future. The Lead Field Service Engineer - Driv

Lead Protection and Control EngineerJob Title - Lead Protection and Control Engineer

GE VernovaCompany Name - GE Vernova

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Remote

Full-time

Job Description Summary The Lead Protection & Control Engineer works on T&D substations for AC, HVDC and FACTS projects with designers, peer engineers & leaders. The engineer is responsible to define, design, coordinate all technical aspects of HV / EHV substation protection & control and oversee technical plant integration and optimization at project level considering safety, quality, schedule and cost criteria. The engineer should have great attention to detail with a can-do attitude & custome

Lead Frontend Engineer (Web)Job Title - Lead Frontend Engineer (Web)

eBay Inc.Company Name - eBay Inc.

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Remote or Portland, Oregon, USA

Full-time

At eBay, we're more than a global ecommerce leader - we're changing the way the world shops and sells. Our platform empowers millions of buyers and sellers in more than 190 markets around the world. We're committed to pushing boundaries and leaving our mark as we reinvent the future of ecommerce for enthusiasts. Our customers are our compass, authenticity thrives, bold ideas are welcome, and everyone can bring their unique selves to work - every day. We're in this together, sustaining the futur

Senior Bridge EngineerJob Title - Senior Bridge Engineer

Olsson Associates IncCompany Name - Olsson Associates Inc

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St. Louis, Missouri, USA

Full-time

Company Description We are Olsson, a team-based, purpose-driven engineering and design firm. Our solutions improve communities, and our people make it possible. Our most meaningful asset is our people, and we are dedicated to providing an environment where they can continue to learn, grow, and thrive. Our entrepreneurial spirit is what has allowed us - and will continue to allow us - to grow. The result? Inspired people, amazing designs, and projects with purpose. Job Description Join Olsson

EPC Transmission Line Engineering ManagerJob Title - EPC Transmission Line Engineering Manager

LeidosCompany Name - Leidos

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Remote

Full-time

Leidos is seeking a Manager of Transmission Line EPC Engineering who will manage a collaborative and dynamic team working in a fast- paced environment, solving challenging problems involved with electric transmission. The successful candidate will serve as a Lead Engineer and Subject Matter Expert on electric transmission line design projects of overhead and underground systems for some of the largest utilities and developers in the country. Projects will focus on EPC and Design-Build opportunit

Lead JavaScript DeveloperJob Title - Lead JavaScript Developer

Tradeweb Markets LLCCompany Name - Tradeweb Markets LLC

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Remote or Jersey City, New Jersey, USA

Full-time

Company Description Tradeweb Markets is a world leader in the evolution of electronic trading. A fintech company serving approximately 2,500 clients ? including the world?s largest banks, asset managers, hedge funds, insurance companies, wealth managers and retail clients -- in more than 65 countries across the globe. Since our first trade in 1998, we have helped transform and electronify the fixed income markets. Tradeweb is a culture built on innovation, creativity and collaboration. Through a

Big Data Engineer Sr Lead - SVP - TAMPAJob Title - Big Data Engineer Sr Lead - SVP - TAMPA

CitiCompany Name - Citi

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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

VP, Sr. Fullstack Developer (Apps Dev Tech Lead Analyst )- C13 - TAMPAJob Title - VP, Sr. Fullstack Developer (Apps Dev Tech Lead Analyst )- C13 - TAMPA

CitiCompany Name - Citi

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Remote or Tampa, Florida, USA

Full-time

Job Description The Applications Development Technology Lead Analyst is a senior level position responsible for establishing and implementing new or revised application systems and programs in coordination with the Technology team. The overall objective of this role is to lead applications systems analysis and programming activities. Responsibilities: Partner with multiple management teams to ensure appropriate integration of functions to meet goals as well as identify and define necessary sys

Senior Staff Full Stack EngineerJob Title - Senior Staff Full Stack Engineer

eBay Inc.Company Name - eBay Inc.

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Remote or San Jose, California, USA

Full-time

Lead Full Stack Developer with kuberntesJob Title - Lead Full Stack Developer with kuberntes

HStechnologies LLCCompany Name - HStechnologies LLC

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Remote

Full-time

Build modern, full stack applications using technologies like React or Angular on the frontend, and Node.js, Java, or Python on the backend.Design and develop clean, scalable APIs and microservices, keeping performance, security, and maintainability in mind.Lead the effort to containerize applications with Docker and manage their deployment and scaling using Kubernetes, either in a public cloud (AWS, Google Cloud Platform, Azure) or hybrid environment.Take ownership of how we deploy and run our

Lead ServiceNow Developer - ITOM and ITAM CertifiedJob Title - Lead ServiceNow Developer - ITOM and ITAM Certified

Pyramid Technology Solutions, Inc.Company Name - Pyramid Technology Solutions, Inc.

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Remote

Contract

Title: Lead ServiceNow Developer Location: Remote in US, EST time zone preferred Duration: 6 Months with extension Must Have: ITOM and ITAM certificatesGood communication skills because will work directly with the stakeholders.We are building the following capabilities using Service Now in 2025-2026: Hardware Asset Management.Software Asset Management.App portfolio management.GenAI.SecOps. Client already implemented SNOW 2 years ago Implemented ITSM.CMDB data clean-up is needed. Skills and quali

Senior Transportation Engineer - RoadwayJob Title - Senior Transportation Engineer - Roadway

Olsson Associates IncCompany Name - Olsson Associates Inc

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St. Louis, Missouri, USA

Full-time

Lead Cyber Security Engineer 1 - NuclearJob Title - Lead Cyber Security Engineer 1 - Nuclear

Sargent & Lundy LLC.Company Name - Sargent & Lundy LLC.

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Remote

Full-time

Description Nuclear Power is a carbon-free energy source. Our nuclear power generation clients are digitizing their existing power plants and building new nuclear power plants, small modular reactors (SMR) due to the increasing demand for electric power. This is expanding our work in the Instrumentation and Controls Engineering group. Due to this influx of work, Sargent & Lundy has a need for additional I&C Engineers. This position requires an engineer who has expertise in US nuclear cyber sec

Lead, Windows Server Engineer (Auditing)Job Title - Lead, Windows Server Engineer (Auditing)

MastercardCompany Name - Mastercard

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O'Fallon, Missouri, USA

Full-time

Our Purpose Mastercard powers economies and empowers people in 200+ countries and territories worldwide. Together with our customers, we're helping build a sustainable economy where everyone can prosper. We support a wide range of digital payments choices, making transactions secure, simple, smart and accessible. Our technology and innovation, partnerships and networks combine to deliver a unique set of products and services that help people, businesses and governments realize their greatest po

Transmission Planning Engineering ManagerJob Title - Transmission Planning Engineering Manager

LeidosCompany Name - Leidos

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Remote

Full-time

Leidos offers its knowledge and expertise over a wide area of cutting-edge energy technologies and independent oversight, combined with proven business acumen. Building our work for publicly and privately owned utilities, financial institutions and local governments, we are able to provide our clients with business insight into all sectors of the infrastructure industry. We are seeking a Transmission Planning Engineering Manager who will lead dynamic team within our Energy & Systems Solutions, a