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13 senior it software engineer jobs found

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PT
Senior IT Software Engineer (C)
Prime Therapeutics Jefferson City, MO
At Prime Therapeutics (Prime), we are a different kind of PBM, with a purpose beyond profits and a unique ability to connect care for those we serve. Looking for a purpose-driven career? Come build the future of pharmacy with us. Job Posting Title Senior IT Software Engineer (C) Job Description The Sr Software Engineer is responsible for leading the design of technology solutions to ensure they meet all resiliency, stability, non-functional, functional and operational readiness use cases. This position is responsible for owning the technology solutions within their area, including proactive monitoring and alerting, technological roadmap and communication of overall health and future sustainability. Responsibilities Lead design to ensure the technology solutions meet all resiliency, stability, non-functional, functional and operational readiness use cases Lead ongoing development, maintenance and support of existing systems and platforms Manage...

Apr 18, 2026
PT
Senior it software engineer
Prime Therapeutics Jefferson City, MO
At Prime Therapeutics (Prime), we are a different kind of PBM, with a purpose beyond profits and a unique ability to connect care for those we serve. Looking for a purpose-driven career? Come build the future of pharmacy with us. Job Posting Title Senior IT Software Engineer (C) Job Description The Sr Software Engineer is responsible for leading the design of technology solutions to ensure they meet all resiliency, stability, non-functional, functional and operational readiness use cases. This position is responsible for owning the technology solutions within their area, including proactive monitoring and alerting, technological roadmap and communication of overall health and future sustainability. Responsibilities Lead design to ensure the technology solutions meet all resiliency, stability, non-functional, functional and operational readiness use cases Lead ongoing development, maintenance and support of existing systems and platforms Manage...

Apr 18, 2026
EM
Senior Software Engineer - Java/Typescript/AWS
Enterprise Mobility St. Louis, MO
Overview As we continue to build our team in support of our vision to the be the world's best and most trusted mobility company, Enterprise Fleet Management, an affiliate of Enterprise Mobility is excited to announce the opening of a Engineer 2, Software. The Information Technology (IT) department of Enterprise Fleet Management builds and implements powerful solutions that help to drive and support the operations of our business spread across the US and Canada. Here, you will be part of a team that creates and delivers leading-edge technologies and expansive systems that impact every aspect of our growing businesses. We provide the resources to enable and develop our innovative I.T. professionals in a variety of career paths. Being a member of EFM IT offers all the advantages of a smaller shop including the opportunity to shape a more progressive architecture. Professionals who effectively navigate change and readily wear many hats will find this an opportunity to...

May 16, 2026
EY
Tech Consulting - Full-Stack C# Developer - Senior - Multiple Locations
EY Jefferson City, MO
Location: Los Angeles, New York City, Hoboken, San Francisco, San Jose, Seattle, Boston, Chicago, St. Louis, Philadelphia, Dallas, Houston, Irvine, San Diego, Portland, Denver, Minneapolis, Nashville, Phoenix, Pittsburgh, McLean, Atlanta, Charlotte, Detroit, Columbus, Cleveland, Akron, Cincinnati, Miami At EY, we're all in to shape your future with confidence. We'll help you succeed in a globally connected powerhouse of diverse teams and take your career wherever you want it to go. Join EY and help to build a better working world. Technology - Digital Engineering - Full Stack Engineer (Senior) Whole industries have been disrupted and transformed in recent years by rapidly evolving digital technologies. At EY, we help clients understand, architect, select, and build large-scale modern technology solutions that power their businesses across web, mobile, cloud platforms, physical environments, and intelligent systems. Our teams span digital strategy, architecture,...

May 06, 2026
MasterCard
Full time
 
Senior Principal Software Engineer
MasterCard O'Fallon, MO
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 potential. Title and Summary Senior Principal Software Engineer Overview: Mastercard’s AI & Data Platform Engineering team is seeking a Senior Principal Engineer to provide technology leadership and strategic influence across enterprise-scale initiatives for the next generation Decision Management Platform. With deep architectural expertise and ability to collaborate across the organization, you will have the ability to drive innovation and engineering excellence. Key...

May 05, 2026
MasterCard
Full time
 
Senior principal software engineer
MasterCard O'Fallon, MO
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 potential. Title and Summary Senior Principal Software Engineer Overview: Mastercard’s AI & Data Platform Engineering team is seeking a Senior Principal Engineer to provide technology leadership and strategic influence across enterprise-scale initiatives for the next generation Decision Management Platform. With deep architectural expertise and ability to collaborate across the organization, you will have the ability to drive innovation and engineering excellence. Key...

May 05, 2026
Highmark Health
Associate Software Engineer
Highmark Health Jefferson City, MO
Company : enGen Job Description : JOB SUMMARY **CANDIDATE MUST BE US Citizen (due to contractual/access requirements) ** This job is an integral member of an agile software engineer team responsible for building scalable software applications across all digital channels to serve our customers. Responsible for taking an enterprise-wide, architectural view of the solutions and the technical execution of products using the technical stack that best meets the needs of the platform. The incumbent, and team, will be involved in every aspect as a part of the software application build process from idea generation, business analysis, technical design and software development using the latest technologies and design patterns. ESSENTIAL RESPONSIBILITIES Responsible for designing and creating engineering specifications for software applications and programs. Responsible for writing code that adheres to coding standards. Perform code reviews. Responsible...

May 03, 2026
Or
Senior Software Engineer and CMTS - Exadata (Redwood City, CA)
Oracle Jefferson City, MO
Job Description Job Title: Senior Software Engineer and CMTS - Exadata Location: In-office position in Redwood City, CA We are looking for smart systems software engineers with BS/MS/PhD in Computer Science or related fields to join the Exadata Team @ Oracle Server Technologies ( https://www.oracle.com/engineered-systems/exadata/ ). Oracle Exadata technology is the newest innovation in Oracle's history as the provider of the industry's number one database technology. Exadata group (Server Technologies Division) is responsible for the development of all aspects of the Exadata Storage Server and Exadata Database Machine which is named as Oracle's most successful new product. Team and Product Description: Oracle Exadata is an enterprise database platform that runs Oracle AI Database workloads of any scale and criticality with high performance, availability, and security. Exadata's scale-out design employs unique optimizations that let transaction processing,...

May 03, 2026
Highmark Health
Associate software engineer
Highmark Health Jefferson City, MO
Company : enGen Job Description : JOB SUMMARY **CANDIDATE MUST BE US Citizen (due to contractual/access requirements) ** This job is an integral member of an agile software engineer team responsible for building scalable software applications across all digital channels to serve our customers. Responsible for taking an enterprise-wide, architectural view of the solutions and the technical execution of products using the technical stack that best meets the needs of the platform. The incumbent, and team, will be involved in every aspect as a part of the software application build process from idea generation, business analysis, technical design and software development using the latest technologies and design patterns. ESSENTIAL RESPONSIBILITIES Responsible for designing and creating engineering specifications for software applications and programs. Responsible for writing code that adheres to coding standards. Perform code reviews. Responsible...

May 03, 2026
Or
Senior software engineer
Oracle Jefferson City, MO
Job Description Job Title: Senior Software Engineer and CMTS - Exadata Location: In-office position in Redwood City, CA We are looking for smart systems software engineers with BS/MS/PhD in Computer Science or related fields to join the Exadata Team @ Oracle Server Technologies ( https://www.oracle.com/engineered-systems/exadata/ ). Oracle Exadata technology is the newest innovation in Oracle's history as the provider of the industry's number one database technology. Exadata group (Server Technologies Division) is responsible for the development of all aspects of the Exadata Storage Server and Exadata Database Machine which is named as Oracle's most successful new product. Team and Product Description: Oracle Exadata is an enterprise database platform that runs Oracle AI Database workloads of any scale and criticality with high performance, availability, and security. Exadata's scale-out design employs unique optimizations that let transaction processing,...

May 03, 2026
EY
SDC BCM Tech DevOps Engineer---Senior--Tampa or Dallas
EY Jefferson City, MO
Location: Anywhere in Country At EY, we're all in to shape your future with confidence. We'll help you succeed in a globally connected powerhouse of diverse teams and take your career wherever you want it to go. Join EY and help to build a better working world. EY is the only professional services firm with a separate business unit ("FSO") that is dedicated to the financial services marketplace. Our FSO teams have been at the forefront of every event that has reshaped and redefined the financial services industry. If you have a passion for rallying together to solve the most complex challenges in the financial services industry, come join our dynamic FSO team! We help our clients transform. Together we are changing the way they interact with their Customers, Employees and Partners alike. We are modernizing their applications, creating new ones and driving business efficiency across their ever-changing platform and channel infrastructures. Everything we do centers around...

Apr 26, 2026
EY
Tech devops engineer - senior
EY Jefferson City, MO
Location: Anywhere in Country At EY, we're all in to shape your future with confidence. We'll help you succeed in a globally connected powerhouse of diverse teams and take your career wherever you want it to go. Join EY and help to build a better working world. EY is the only professional services firm with a separate business unit ("FSO") that is dedicated to the financial services marketplace. Our FSO teams have been at the forefront of every event that has reshaped and redefined the financial services industry. If you have a passion for rallying together to solve the most complex challenges in the financial services industry, come join our dynamic FSO team! We help our clients transform. Together we are changing the way they interact with their Customers, Employees and Partners alike. We are modernizing their applications, creating new ones and driving business efficiency across their ever-changing platform and channel infrastructures. Everything we do centers around...

Apr 26, 2026
Ma
Full time
 
Software engineer
Maritz Fenton, MO
Where Human Connection Fuels Possibility At Maritz, decades of innovation and perseverance have built more than just a strong reputation - they've shaped a culture where human connection and collaboration are at the heart of everything we do. Joining Maritz means becoming part of a workplace grounded in a critical truth; people and their potential is our greatest resource. Maritz helps companies achieve their business goals by inspiring people to perform their best. We design experiences, incentives, and recognition programs that spark action and deliver measurable impact. And we've brought this human-first design inward - intentionally building teams that care for each other and collaborate powerfully. In our most recent employee survey, nearly 90% of respondents said that their managers care about their concerns and 82% said they feel genuinely appreciated. We know that when employees feel seen, supported, and celebrated for who they are, they thrive and so...

Apr 17, 2026
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