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93 software engineer jobs found in St. Louis, MO

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Wells Fargo
Lead Software Engineer (001376)
Wells Fargo St. Louis, MO, USA
At Wells Fargo, we want to satisfy our customers' financial needs and help them succeed financially. We're looking for talented people who will put our customers at the center of everything we do. Help us build a better Wells Fargo. It all begins with outstanding talent. It all begins with you. Wells Fargo Technology sets IT strategy; enhances the design, development, and operations of our systems; optimizes the Wells Fargo infrastructure footprint; provides information security; and enables continuous banking access through in-store, online, ATM, and other channels to Wells Fargo's more than 70 million global customers. Wells Fargo Bank N.A. seeks a Lead Software Engineer in Saint Louis, MO. *Job Role and Responsibility: * Responsible for leading a team of software engineers responsible for developing new application features and assisting with the maintenance of existing applications. The role develops and implements complex web-based trading applications on one...

Feb 23, 2026
Wells Fargo
Lead software engineer
Wells Fargo St. Louis, MO, USA
At Wells Fargo, we want to satisfy our customers' financial needs and help them succeed financially. We're looking for talented people who will put our customers at the center of everything we do. Help us build a better Wells Fargo. It all begins with outstanding talent. It all begins with you. Wells Fargo Technology sets IT strategy; enhances the design, development, and operations of our systems; optimizes the Wells Fargo infrastructure footprint; provides information security; and enables continuous banking access through in-store, online, ATM, and other channels to Wells Fargo's more than 70 million global customers. Wells Fargo Bank N.A. seeks a Lead Software Engineer in Saint Louis, MO. *Job Role and Responsibility: * Responsible for leading a team of software engineers responsible for developing new application features and assisting with the maintenance of existing applications. The role develops and implements complex web-based trading applications on one...

Feb 23, 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...

Feb 15, 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...

Feb 15, 2026
MasterCard
Full time
 
Senior Software Engineer (Mainframe)
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 Senior Software Engineer (Mainframe) Who is Mastercard Mastercard is a global technology company in the payments industry. We work to connect and power an inclusive, digital economy that benefits everyone, everywhere by making transactions safe, simple, smart and accessible. Our mission is to connect and power an inclusive, digital economy that benefits everyone, everywhere by making transactions safe, simple, smart, and accessible. Using...

Feb 15, 2026
MasterCard
Full time
 
Senior Software Engineer-1
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 Senior Software Engineer-1 Who is Mastercard Mastercard is a global technology company in the payments industry. We work to connect and power an inclusive, digital economy that benefits everyone, everywhere by making transactions safe, simple, smart and accessible. Our mission is to connect and power an inclusive, digital economy that benefits everyone, everywhere by making transactions safe, simple, smart, and accessible. Using secure data...

Feb 15, 2026
MasterCard
Full time
 
Senior Software Engineer-2
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 Senior Software Engineer-2 Who is Mastercard Mastercard is a global technology company in the payments industry. We work to connect and power an inclusive, digital economy that benefits everyone, everywhere by making transactions safe, simple, smart and accessible. Our mission is to connect and power an inclusive, digital economy that benefits everyone, everywhere by making transactions safe, simple, smart, and accessible. Using secure data...

Feb 15, 2026
PT
Contract
 
Senior Software Engineer
Primary Talent Partners O'Fallon, MO, USA
Primary Talent Partners has a new contract opening for a Senior Software Engineer - Level 7 with our global technology client in O Fallon, MO. This is a 6-month contract with a potential for extension. Pay: $67.00 - $77.00/hr ; W2 contract, no PTO, no Benefits. ACA-compliant supplemental package available for enrollment. Candidates must be legally authorized to work in the United States and must be able to sit on Primary Talent Partners W2 without sponsorship. Description: Participate in team prioritization discussions with Product/Business stakeholders Estimate and own delivery tasks (design, dev, test, deployment, configuration, documentation) to meet the business requirements Automate build, operate, and run aspects of software Drive code/design/process trade-off discussions within their team when required Report status and manage risks within their primary application/service Drive integration of services focusing on customer journey and experience...

Feb 13, 2026
IG
Senior Software Engineer
Insight Global Hazelwood, MO, USA
Job Description In the Government Vehicle Health Maintenance Systems organization, our team of engineers develops, fields, and supports platform health management systems for the F/A-18, MQ-25, F-15, T-38, T-7, and proprietary platforms. Our software acquires and manages platform health and usage data, performs health and usage assessments, and recommends maintenance actions. We create and sustain products and solutions that maximize platform mission readiness and effectiveness, reduce lifecycle costs, and keep our customers safe. Successful candidates will design, implement, and sustain software across all phases of the software development lifecycle to support platform health management systems. In this role, the engineer will develop cloud-based, microservice applications within a CI/CD software build pipeline and work in an Agile team to acquire and manage platform health and usage data, perform automated assessments, and produce actionable maintenance...

Feb 17, 2026
Sc
Full time
 
Staff Software Engineer, Public Sector
Scaleapi St. Louis, MO, USA
Scale AI is seeking highly skilled and motivated Software Engineers to join our dynamic Federal Engineering team. As a part of this team, you will play a critical role in delivering high-impact AI-powered mission solutions for government customers. Our scalable and high-performance platform forms the foundation for these solutions, and your expertise will be instrumental in designing and implementing systems that can handle billions of data points with exceptional performance. You will: Design and implement scalable backend systems for Federal customers, leveraging Scale's modern and cloud-native AI infrastructure Collaborate with cross-functional teams to define and execute the vision for backend solutions, ensuring they meet the unique needs of government agencies operating in secure environments Develop distributed systems, data-intensive applications, and machine learning infrastructure to enable real impact for mission owners Build robust and reliable backend...

Feb 14, 2026
GA
Senior Software Engineer - Embedded, Clothes Care
GE Appliances St. Louis, MO, USA
Mar 11, 2026
GA
Senior software engineer - embedded care
GE Appliances St. Louis, MO, USA
Mar 11, 2026
Randstad Technologies
Contract
 
Software Engineer
Randstad Technologies St. Louis, MO, USA
Job Summary Randstad Digital is hiring and we're looking for someone like YOU to join our team! If you are seeking a new opportunity, looking to grow in your career, or you know someone who is - we want to hear from you! Take a look at the below opportunity, or feel free to visit RandstadUSA.com to view and apply. location: St. Louis, Missouri job type: Contract salary: $48.59 - 53.59 per hour work hours: 8am to 5pm education: Bachelors Responsibilities In this contingent resource assignment, you may: Consult on or participate in moderately complex initiatives and deliverables within Software Engineering and contribute to large-scale planning related to Software Engineering deliverables. Review and analyze moderately complex Software Engineering challenges that require an in-depth evaluation of variable factors. Contribute to the resolution of moderately complex issues and consult with others to meet Software Engineering deliverables while leveraging solid understanding...

Feb 20, 2026
Randstad Technologies
Software Engineer
Randstad Technologies St. Louis, MO, USA
job summary: Randstad Digital is hiring and we're looking for someone like YOU to join our team! If you are seeking a new opportunity, looking to grow in your career, or you know someone who is - we want to hear from you! Take a look at the below opportunity, or feel free to visit RandstadUSA.com to view and apply.     location: St. Louis, Missouri job type: Contract salary: $48.59 - 53.59 per hour work hours: 8am to 5pm education: Bachelors   responsibilities: In this contingent resource assignment, you may: Consult on or participate in moderately complex initiatives and deliverables within Software Engineering and contribute to large-scale planning related to Software Engineering deliverables. Review and analyze moderately complex Software Engineering challenges that require an in-depth evaluation of variable factors. Contribute to the resolution of moderately complex issues and consult with others to meet Software Engineering deliverables while leveraging solid...

Feb 20, 2026
PT
Contract
 
Software Engineering - Advanced
Primary Talent Partners O'Fallon, MO, USA
Primary Talent Partners has a new contract opening for a Software Engineering - Advanced with our global technology client in O Fallon, MO. This is a 12-month contract with a potential for extension. Pay: $75.00 - $85.00/hr ; W2 contract, no PTO, no Benefits. ACA-compliant supplemental package available for enrollment. Candidates must be legally authorized to work in the United States and must be able to sit on Primary Talent Partners W2 without sponsorship. Description: Payments Development team owns a number of applications, primarily focusing on the Client Send application. Client send is an API based application which primarily focuses on P2P and Disbursement transactions and is heavily integration with Client core applications. Responsible for the analysis, design, development and delivery of software solutions. Develop, customize, and test applications to integrate to Client's specifications. Provide leadership, mentoring, and technical training to...

Feb 14, 2026
Ac
Software Test Engineer
Actalent Bridgeton, MO, USA
I'm currently hiring for Software Test Engineer position in St. Louis, MO area! Job Responsibilities Design, develop, analyze, document and support testing of products, systems, or subsystems (with electrical,mechanical, hydraulic, and/or software components). Determine how to create processes to best test a product in order to assure that the product meetsapplicable requirements and specifications. Lead the design and development of test programs to measure the functionality and integrity of products andservices. Write test plans and procedures to evaluate the ability of products to meet performance standards andspecifications. Troubleshoot test hardware and software. Design and setup instrumentation for measuring test parameters, e.g. strain, pressure, acceleration,temperature, etc. Analyze measurement data to verify performance criteria. Provide budget, cost and schedule inputs for assignments and proposals. Be able to work independently, regularly...

Feb 20, 2026
EY
Full time
 
Technical Product Manager - Senior - Consulting - Location OPEN
EY St. Louis, MO, USA
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. Technology - Product Management - Business Product Management - Senior At EY, our purpose is to shape the future. The insights and quality services we provide help build trust and confidence in the capital markets and economies all over the world. We develop outstanding leaders who are teamed to deliver our promises to all our stakeholders. In so doing, we play a critical role in building a better working world for our people, for our clients and for our communities. The opportunity The Platforms Practice specializes in mission-critical, intelligent platforms for the world’s most ambitious organizations. Using our product-driven, AI-centric approach, we empower organizations to build for the intelligent digital...

Feb 21, 2026
RG
Software Virtualization Engineer
Royce Geo Arnold, MO, USA
Feb 23, 2026
Lensa
Jr Sediment Remediation Engineer
Lensa St. Louis, MO, USA
Lensa is a career site that helps job seekers find great jobs in the US. We are not a staffing firm or agency. Lensa does not hire directly for these jobs, but promotes jobs on LinkedIn on behalf of its direct clients, recruitment ad agencies, and marketing partners. Lensa partners with DirectEmployers to promote this job for CDM Smith. Clicking "Apply Now" or "Read more" on Lensa redirects you to the job board/employer site. Any information collected there is subject to their terms and privacy notice. 43492BR Requisition ID 43492BR Business Unit TSU Job Description CDM Smith is seeking candidates for a jr. level Sediment Remediation Engineer position. The candidate must have demonstrated expertise working with a team of engineers and scientists on sediment remediation projects for a variety of clients including those in the Federal and Public sector. Sediment remediation experience will be considered on an individual basis, but experience in the following bullets...

Mar 11, 2026
Emerson
Senior Process Automation System Engineer - DeltaV
Emerson St. Louis, MO, USA
Job Description If you are a Process Control Automation professional looking for growth and professional development, we have a great opportunity for you! Emerson is looking to add a Senior Process Automation System Engineer - DeltaV to one of our following locations, Durham, NC, Blue Bell, PA, Houston, TX, Round Rock, TX, St. Louis, MO, or Kansas City, KS . You will perform/own the design, implementation, testing, and startup of Process Control Systems for our clients using DeltaV. You will work with customers, other engineers, and project managers at Emerson. In This Role, Your Responsibilities Will Be: Lead or Work on a project team responsible for the design, configuration, and testing of continuous and batch control strategies. Plan, coordinate and review the work of other project team members (or a subset of the team). Work with customer’s process engineers to develop functional requirements. Lead and Participate in the start-up of complex systems at the...

Mar 11, 2026
WW
Senior Information Security Engineer
World Wide Technology Healthcare Solutions St. Louis, MO, USA
US Citizenship is REQUIRED for this opening. Please note that at this time, partners or corp to corp candidates cannot be considered. Why WWT? At World Wide Technology, we work together to make a new world happen. Our important work benefits our clients and partners as much as it does our people and communities across the globe. WWT is dedicated to achieving its mission of creating a profitable growth company that is also a Great Place to Work for All. We achieve this through our world-class culture, generous benefits and by delivering cutting-edge technology solutions for our clients. Founded in 1990, WWT is a global technology solutions provider leading the AI and Digital Revolution. WWT combines the power of strategy, execution and partnership to accelerate digital transformational outcomes for organizations around the globe. Through its Advanced Technology Center, a collaborative ecosystem of the world's most advanced hardware and software solutions, WWT...

Mar 11, 2026
Le
Full time
 
AI Engineer
Leidos St. Louis, MO, USA
Description The Leidos FS2 Aero team has an opening for an experienced AI Engineer to contribute to AI solutions, work on development, collaborate with pipeline development and deployment teams. The Aero teams are involved in the deployment and maintenance of multiple operational cloud deployed software technologies and solutions. We are looking for a motivated AI engineer, to work on challenging problems in a variety of Aeronautical based systems to get results that surpass the outcomes achieved with new AI technologies, capabilities and features. Primary Responsibilities Strong collaboration with teams in the design and implementation of AI architectures to include operational status, coding improvements, dashboard tooling including security. Collaborates with Leidos AI initiatives, providing insight into technologies, tooling and practices. Designs, secures and automates AWS cloud initiatives while optimizing agent and customer experiences to full AI potential....

Mar 09, 2026
Actalent
Full time
 
QC Micro Investigator II
Actalent St. Louis, MO, USA
Job Title: QC Micro Investigator II Job Description The Quality Investigator/Scientist II operates in a high-throughput environment, completing investigations primarily for QC Micro. This role involves leading multiple investigations simultaneously and ensuring their timely completion through dedication, tenacity, and building relationships with partners in QA and various testing groups. As a strong individual contributor, the Quality Engineer/Scientist III maintains a steady record closure rate while working on moderate complexity investigations. Responsibilities Stay current with training in Success Factors. Conduct RAPID meetings with QA and QC staff occasionally. Use TrackWise software to author investigations. Be responsible for compliance-related deliverables including audit support, presentations to senior management and site leadership, and generating trend reports. Support compliance culture initiatives and assist in implementing changes. Develop the team...

Mar 09, 2026
Lensa
Full time
 
GXP Customer Success Engineer (Onsite)
Lensa St. Louis, MO, USA
Lensa is a career site that helps job seekers find great jobs in the US. We are not a staffing firm or agency. Lensa does not hire directly for these jobs, but promotes jobs on LinkedIn on behalf of its direct clients, recruitment ad agencies, and marketing partners. Lensa partners with DirectEmployers to promote this job for BAE Systems USA. Clicking "Apply Now" or "Read more" on Lensa redirects you to the job board/employer site. Any information collected there is subject to their terms and privacy notice. Job Description The Customer Success (CS) team at GXP is seeking a highly skilled Customer Success Engineer to provide customer engaging support, configuration and training for our Geospatial eXploitation Products (GXP) Platform, desktop applications. The ideal candidate will have extensive experience with our desktop solution, SOCET GXP, and a proven track record of explaining complex photogrammetric workflows, including triangulation, terrain generation and editing,...

Mar 09, 2026
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