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Or
Software Engineer Intern - Customer Success Services
Oracle Jefferson City, MO, USA
Job Description The Program: Our future success depends on hiring world-class, early in career talent who are looking to power next-generation services and solutions. We are hiring bachelor's and master's interns and graduates with a diverse set of skills and experiences to work in and across multiple teams within Customer Success Services organization. Our program is intended to enhance your overall learning experience, help build your network, and accelerate your opportunity to make an impact. As part of the Oracle Customer Success Services team, you will be working with members of the international network of experts, and will contribute to global technology driven initiatives and innovation programs for continuous service improvements. Career Level - IC0 Intern Role for current Bachelor level students - Must be enrolled in a university prior to and post internship. Target Internship Duration: May-Aug 2026 or June-Sept 2026 Responsibilities What You'll Do:...

Jan 24, 2026
MasterCard
Full time
 
Principal Software Engineer
MasterCard O'Fallon, MO, USA
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 Principal Software Engineer Overview We are a St louis based development team building high value, cloud native applications. We are looking for brilliant and passionate software engineers to join our team. In this role you will play a leading role in building out a world class engineering team and design and implement world class innovative, high volume web applications. Role Design, code, document and test components / subsystems to a...

Jan 24, 2026
Or
Senior software engineer - development lead
Oracle Jefferson City, MO, USA
Job Description Senior Software Engineer - AI-Enhanced Development Lead Location: United States No visa sponsorship is available for this position. We are looking for a senior level Software Engineer who will champion the use of Artificial Intelligence across the entire software development lifecycle. In this role you will help guide a globally distributed development team in leveraging AI driven tools and techniques to accelerate design, coding, testing, deployment, and operations while preserving the rigor required for a highly regulated, mission critical financial services platform for higher education. You will work on a large, mature enterprise backend that powers student financial aid management for universities in the United States. The system runs in a strict regulatory environment and has deep, complex business logic. Your mission is to modernize the way we build and sustain this platform by introducing AI assisted practices that add real, measurable...

Jan 24, 2026
Or
Software engineer - customer services
Oracle Jefferson City, MO, USA
Job Description The Program: Our future success depends on hiring world-class, early in career talent who are looking to power next-generation services and solutions. We are hiring bachelor's and master's interns and graduates with a diverse set of skills and experiences to work in and across multiple teams within Customer Success Services organization. Our program is intended to enhance your overall learning experience, help build your network, and accelerate your opportunity to make an impact. As part of the Oracle Customer Success Services team, you will be working with members of the international network of experts, and will contribute to global technology driven initiatives and innovation programs for continuous service improvements. Career Level - IC0 Intern Role for current Bachelor level students - Must be enrolled in a university prior to and post internship. Target Internship Duration: May-Aug 2026 or June-Sept 2026 Responsibilities What You'll Do:...

Jan 24, 2026
Humana
Lead Software Engineer - Next Best Action
Humana Jefferson City, MO, USA
Become a part of our caring community and help us put health first We are seeking a seasoned Lead Software Engineer to architect and deliver the foundational services that enable real time recommendations to become dependable, auditable, and scalable outcomes. In this position, you will own the design and implementation of the State Machine (managing authoritative state and legal transitions) and Transactional Outbox (ensuring exactly-once intent emission for downstream consumers). Your solutions must be robust, traceable, and maintain high performance under significant concurrency and latency demands. This role is hands-on, combining technical leadership with active engineering: you will architect systems, set technical standards, mentor peers, and collaborate closely across platform, data, and product teams. Key Responsibilities State Machine Architecture Define execution lifecycles and business states, implementing strict legal transition guards....

Jan 19, 2026
Humana
Senior Software Engineer - Next Best Action
Humana Jefferson City, MO, USA
Become a part of our caring community and help us put health first We are seeking an accomplished Senior Software Engineer to design, implement, and operate mission-critical stateful services that form the backbone of real-time, automated decisioning and personalization platforms. These systems are responsible for maintaining authoritative state, orchestrating lifecycle transitions, and ensuring reliable downstream effects-often in high-concurrency, low-latency environments. This position is ideal for engineers with a strong grasp of state machines, idempotency, distributed systems, and "exactly-once" execution semantics. You will also employ advanced AI-assisted and agentic engineering tools to drive correctness, velocity, resilience, and scalability. Key Responsibilities State Machine Architecture & Implementation Design, build, and maintain explicit state machines governing: Lifecycle transitions (e.g., open ? in progress ? completed ? suppressed)...

Jan 19, 2026
UU
Software Engineer
UKG (Ultimate Kronos Group) Jefferson City, MO, USA
Why UKG: At UKG, the work you do matters. The code you ship, the decisions you make, and the care you show a customer all add up to real impact. Today, tens of millions of workers start and end their days with our workforce operating platform. Helping people get paid, grow in their careers, and shape the future of their industries. That's what we do. We never stop learning. We never stop challenging the norm. We push for better, and we celebrate the wins along the way. Here, you'll get flexibility that's real, benefits you can count on, and a team that succeeds together. Because at UKG, your work matters-and so do you. Software Engineer, Ascentis Corporation, a UKG Company, Lowell, Massachusetts (Remote) Will work as part of an Agile team primarily focused on automation in software test & deployment. Will design test automation and execution plans, learn and overcome technical constraints and will deliver products that meet or exceed the quality standards set for the...

Jan 19, 2026
UU
Software engineer
UKG (Ultimate Kronos Group) Jefferson City, MO, USA
Why UKG: At UKG, the work you do matters. The code you ship, the decisions you make, and the care you show a customer all add up to real impact. Today, tens of millions of workers start and end their days with our workforce operating platform. Helping people get paid, grow in their careers, and shape the future of their industries. That's what we do. We never stop learning. We never stop challenging the norm. We push for better, and we celebrate the wins along the way. Here, you'll get flexibility that's real, benefits you can count on, and a team that succeeds together. Because at UKG, your work matters-and so do you. Software Engineer, Ascentis Corporation, a UKG Company, Lowell, Massachusetts (Remote) Will work as part of an Agile team primarily focused on automation in software test & deployment. Will design test automation and execution plans, learn and overcome technical constraints and will deliver products that meet or exceed the quality standards set for the...

Jan 19, 2026
General Motors
Principal Software Engineer
General Motors Jefferson City, MO, USA
Job Description About: A Principal Software Engineer at General Motors should be an experienced leader who cares deeply about software and software quality. As a Principal Software Engineer, you will be responsible for designing, documenting, and implementing complex, highly scalable, low-latency software for our Autonomy org. Your work will be the foundational software which the rest of AV builds upon. At General Motors, we believe in engineering leaders who remain deeply technical and understand the challenges their teams are facing. The ideal candidate will be comfortable switching context from programming, designing elegant software architectures, defining how to test, benchmark, and debug complex systems, and providing mentorship for staff and senior software engineers. What You'll Do (Responsibilities) Define and lead software strategy for new technology and highly complex features in our Autonomy org Define a technical vision and roadmap for...

Jan 16, 2026
Randstad Technologies
Contract
 
Cloud Software Engineer
Randstad Technologies St. Louis, MO, USA
Job Summary: Job description: About The Position Analyzes, designs, codes, tests, configures and modifies software projects and/or products or enhancements using various programming languages, technologies and development methodologies. Designs, develops, tests, debugs and implements application, software and/or operating system components, software tools, and utilities; conducts performance testing. Ensures that system improvements are successfully implemented and monitored to guarantee availability and increase efficiency. Completes technical documentation for multiple functions, including but not limited to testing, QA, training, troubleshooting, operating, and/or procedures for installation and maintenance. Key Responsibilities Include: Works across multiple modules on projects and supports groups of modules/module areas Implements and tests moderately complex code changes to fix identified defects in existing software products (e.g., identify and debug an...

Jan 16, 2026
General Motors
Principal software engineer
General Motors Jefferson City, MO, USA
Job Description About: A Principal Software Engineer at General Motors should be an experienced leader who cares deeply about software and software quality. As a Principal Software Engineer, you will be responsible for designing, documenting, and implementing complex, highly scalable, low-latency software for our Autonomy org. Your work will be the foundational software which the rest of AV builds upon. At General Motors, we believe in engineering leaders who remain deeply technical and understand the challenges their teams are facing. The ideal candidate will be comfortable switching context from programming, designing elegant software architectures, defining how to test, benchmark, and debug complex systems, and providing mentorship for staff and senior software engineers. What You'll Do (Responsibilities) Define and lead software strategy for new technology and highly complex features in our Autonomy org Define a technical vision and roadmap for...

Jan 16, 2026
Randstad Technologies
Contract
 
Cloud software engineer
Randstad Technologies St. Louis, MO, USA
Job Summary: Job description: About The Position Analyzes, designs, codes, tests, configures and modifies software projects and/or products or enhancements using various programming languages, technologies and development methodologies. Designs, develops, tests, debugs and implements application, software and/or operating system components, software tools, and utilities; conducts performance testing. Ensures that system improvements are successfully implemented and monitored to guarantee availability and increase efficiency. Completes technical documentation for multiple functions, including but not limited to testing, QA, training, troubleshooting, operating, and/or procedures for installation and maintenance. Key Responsibilities Include: Works across multiple modules on projects and supports groups of modules/module areas Implements and tests moderately complex code changes to fix identified defects in existing software products (e.g., identify and debug an...

Jan 16, 2026
CO
Senior Software Engineer, Full Stack - Shopping (Remote)
Capital One Financial Corporation Jefferson City, MO, USA
Senior Software Engineer, Full Stack - Shopping (Remote) Do you love building and pioneering in the technology space? Do you enjoy solving complex business problems in a fast-paced, collaborative, inclusive, and iterative delivery environment? At Capital One Shopping, you'll be part of a big group of makers, breakers, doers and disruptors, who love to solve real problems and meet real customer needs. We are seeking a Senior Software Engineer who is passionate about marrying data with emerging technologies. As a Full Stack Engineer, you'll have the opportunity to be on the forefront of driving a major transformation within Capital One Shopping, working on identification and network integration to highlight new users. What You'll Do: Collaborate with and across Agile teams to design, develop, test, implement, and support technical solutions in full-stack development tools and technologies Share your passion for staying on top of tech trends, experimenting with and...

Jan 13, 2026
Or
Senior Software Engineer - AI Infra Compute
Oracle Jefferson City, MO, USA
Job Description OCI (Oracle Cloud Infrastructure) AI Infrastructure is at the forefront of building a cutting-edge, ultra-high-performance GPU platform designed to support AI/ML/HPC workloads. This is your chance to be part of the AI revolution, creating systems that allow customers to scale from tens to thousands of GPUs without compromising performance. Our team is the GPU Availability and Monitoring team in the Compute Org. we are responsible for designing and developing architectural changes for GPU delivery, health monitoring, triage automation, and diagnostic services. These are essential for running distributed AI/ML/HPC workloads across thousands of GPUs, leveraging technologies like RoCE and Infiniband. We're excited to meet a talented Senior Software Engineer like you, who shares our enthusiasm for innovation and excellence. As a valued member of our software engineering division, you'll have the opportunity to shape the future of our technology stack and drive...

Jan 13, 2026
Humana
Lead Software Engineer - Enterprise Observability
Humana Jefferson City, MO, USA
Become a part of our caring community and help us put health first Why Join Enterprise Observability Engineering? The Enterprise Observability Engineering team is a high-impact, high-autonomy group focused on building intelligent, scalable, and resilient observability solutions. We foster a culture of innovation, agility, and ownership-empowering engineers to solve complex problems, drive strategic initiatives, and shape the future of how we monitor and operate distributed systems. If you're passionate about building tools engineers love, solving unscoped challenges, and leading with technical excellence-this is the team for you. About the Role We're looking for a Lead Software Engineer with deep expertise in logging and observability engineering. You should be fluent in the principles of open telemetry, log ingestion, and event correlation across distributed systems. While familiarity with platforms like Splunk or Dynatrace is a plus, we value platform-agnostic...

Jan 13, 2026
OA
Full time
 
Principal Software Engineer - App Dev Digital Commerce
O'Reilly Auto Parts Springfield, MO, USA
Compensation Pay Range $119,200.00 - $178,800.00 The actual hourly rate will equal or exceed the required minimum wage applicable to the job location. Additional compensation includes annual, quarterly performance, or premiums may be paid in amounts ranging per hour in specific circumstances. Premiums may be based on schedule, facility, season, or specific work performed. Multiple premiums may apply if applicable criteria are met. A Principal Software Engineer-Digital Commerce will apply advanced technical expertise and leadership skills to design, develop, and maintain complex applications and systems, ensuring optimal performance and high-quality standards. This role involves comprehensive software analysis, project coordination, and system maintenance, contributing significantly to the organization's technical direction and strategic goals. We are specifically looking for Java, GCP and React experience Essential Job Functions Lead the development of new and...

Jan 13, 2026
EG
Sr. Software Engineer
Eliassen Group Jefferson City, MO, USA
Sr. Software Engineer Anywhere Type: Contract Category: Engineer Industry: Financial Services Workplace Type: Remote Reference ID: JN -012026-104874 Date Posted: 01/04/2026 Shortcut: http://careers.eliassen.com/hpoWzn Description Recommended Jobs Description: 100% Remote We are looking for a hands-on Senior Backend Engineer to build customer-facing product features for our clients Personal Loans vertical . You will work in a fast-paced environment, delivering high-quality solutions with strong observability and reliability. This role requires deep backend engineering expertise and the ability to execute technical tasks independently after onboarding. Due to client requirement, applicants must be willing and able to work on a w2 basis. For our w2 consultants, we offer a great benefits package that includes Medical, Dental, and Vision benefits, 401k with company matching, and life insurance. Rate: $75 - $90 /...

Jan 13, 2026
Humana
Lead software engineer - enterprise
Humana Jefferson City, MO, USA
Become a part of our caring community and help us put health first Why Join Enterprise Observability Engineering? The Enterprise Observability Engineering team is a high-impact, high-autonomy group focused on building intelligent, scalable, and resilient observability solutions. We foster a culture of innovation, agility, and ownership-empowering engineers to solve complex problems, drive strategic initiatives, and shape the future of how we monitor and operate distributed systems. If you're passionate about building tools engineers love, solving unscoped challenges, and leading with technical excellence-this is the team for you. About the Role We're looking for a Lead Software Engineer with deep expertise in logging and observability engineering. You should be fluent in the principles of open telemetry, log ingestion, and event correlation across distributed systems. While familiarity with platforms like Splunk or Dynatrace is a plus, we value platform-agnostic...

Jan 13, 2026
OA
Full time
 
Principal software engineer - digital
O'Reilly Auto Parts Springfield, MO, USA
Compensation Pay Range $119,200.00 - $178,800.00 The actual hourly rate will equal or exceed the required minimum wage applicable to the job location. Additional compensation includes annual, quarterly performance, or premiums may be paid in amounts ranging per hour in specific circumstances. Premiums may be based on schedule, facility, season, or specific work performed. Multiple premiums may apply if applicable criteria are met. A Principal Software Engineer-Digital Commerce will apply advanced technical expertise and leadership skills to design, develop, and maintain complex applications and systems, ensuring optimal performance and high-quality standards. This role involves comprehensive software analysis, project coordination, and system maintenance, contributing significantly to the organization's technical direction and strategic goals. We are specifically looking for Java, GCP and React experience Essential Job Functions Lead the development of new and...

Jan 13, 2026
UG
Full time
 
Software Engineer (Mainframe)
UniGroup Fenton, MO, USA
Location: Hybrid – Fenton, Missouri Schedule: Hybrid (on-site for special events or as business needs arise) Position Overview The Software Engineer designs, develops, tests, and supports UniGroup’s core business applications running in a mainframe environment. This role plays a critical part in maintaining and enhancing systems that support order processing, billing, and transportation operations across the organization. The Software Engineer collaborates closely with other engineers, analysts, and business partners to support daily operations, ensure system stability, and contribute to efforts that reduce reliance on legacy platforms over time. This is a hands-on role well-suited for someone who enjoys working in established systems while supporting modernization through testing, documentation, and technical partnership. Responsibilities Design, develop, test, and support software applications within a mainframe environment Write, maintain, and debug COBOL...

Jan 12, 2026
Or
Principal Software Engineer - AI Infra Compute
Oracle Jefferson City, MO, USA
Job Description Description OCI (Oracle Cloud Infrastructure) AI Infrastructure is at the forefront of building a cutting-edge, ultra-high-performance GPU platform designed to support AI/ML/HPC workloads. This is your chance to be part of the AI revolution, creating systems that allow customers to scale from tens to thousands of GPUs without compromising performance. Our team is the GPU Availability and Monitoring team in the Compute Org. we are responsible for designing and developing architectural changes for GPU delivery, health monitoring, triage automation, and diagnostic services. These are essential for running distributed AI/ML/HPC workloads across thousands of GPUs, leveraging technologies like RoCE and Infiniband. We're excited to meet a talented Senior Software Engineer like you, who shares our enthusiasm for innovation and excellence. As a valued member of our software engineering division, you'll have the opportunity to shape the future of our technology...

Jan 12, 2026
UG
Full time
 
Software engineer
UniGroup Fenton, MO, USA
Location: Hybrid – Fenton, Missouri Schedule: Hybrid (on-site for special events or as business needs arise) Position Overview The Software Engineer designs, develops, tests, and supports UniGroup’s core business applications running in a mainframe environment. This role plays a critical part in maintaining and enhancing systems that support order processing, billing, and transportation operations across the organization. The Software Engineer collaborates closely with other engineers, analysts, and business partners to support daily operations, ensure system stability, and contribute to efforts that reduce reliance on legacy platforms over time. This is a hands-on role well-suited for someone who enjoys working in established systems while supporting modernization through testing, documentation, and technical partnership. Responsibilities Design, develop, test, and support software applications within a mainframe environment Write, maintain, and debug COBOL...

Jan 12, 2026
OA
Full time
 
Principal Software Engineer - UI
O'Reilly Auto Parts Springfield, MO, USA
Compensation Pay Range $119,200.00 - $178,800.00 The actual hourly rate will equal or exceed the required minimum wage applicable to the job location. Additional compensation includes annual, quarterly performance, or premiums may be paid in amounts ranging per hour in specific circumstances. Premiums may be based on schedule, facility, season, or specific work performed. Multiple premiums may apply if applicable criteria are met. A Principal Software Engineer will apply advanced technical expertise and leadership skills to design, develop, and maintain complex applications and systems, ensuring optimal performance and high-quality standards. This role involves comprehensive software analysis, project coordination, and system maintenance, contributing significantly to the organization's technical direction and strategic goals. We are Specifically looking for Java, React and GCP Experience Essential Job Functions Lead the development of new and existing software...

Jan 11, 2026
OA
Full time
 
Principal software engineer - ui
O'Reilly Auto Parts Springfield, MO, USA
Compensation Pay Range $119,200.00 - $178,800.00 The actual hourly rate will equal or exceed the required minimum wage applicable to the job location. Additional compensation includes annual, quarterly performance, or premiums may be paid in amounts ranging per hour in specific circumstances. Premiums may be based on schedule, facility, season, or specific work performed. Multiple premiums may apply if applicable criteria are met. A Principal Software Engineer will apply advanced technical expertise and leadership skills to design, develop, and maintain complex applications and systems, ensuring optimal performance and high-quality standards. This role involves comprehensive software analysis, project coordination, and system maintenance, contributing significantly to the organization's technical direction and strategic goals. We are Specifically looking for Java, React and GCP Experience Essential Job Functions Lead the development of new and existing software...

Jan 11, 2026
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