Lead Software Engineer Mastercard IncLead Software EngineerO'Fallon, MO$140,000–$231,000 / yearAll activities involving access to Mastercard assets, information, and networks comes with an inherent risk to the organization and, therefore, it is expected that every person working for, or on behalf of, Mastercard is responsible for information security and must: Abide by Mastercard's security policies and practices; Ensure the confidentiality and integrity of the information being accessed; Report any suspected information security violation or breach, and. Overview: Mastercard''s Global Credit Authorization team is seeking a Lead Software Engineer (C/C++) to build and enhance high-performance, mission-critical systems that power secure, reliable payment processing at global scale.
Lead Software Engineer - Level 6 IconmaLead Software Engineer - Level 6O Fallon, MO$89.67–$93.93 / hourThis job is a developing subject matter expert in the Software Engineering area, influencing stakeholders and applying advanced knowledge to drive achievement of area goals and initiatives by contributing to solution development and improvements for existing products, services, and/or processes. Guides and mentors junior team members through on-the-job experiences, reviewing work and fostering a culture of continuous improvement to grow expertise around their discipline.
C# Lead Software Engineer duvari groupC# Lead Software EngineerChesterfield, MOAs a Lead Software Engineer, you’ll act as both a hands-on technical leader and a mentor, supporting a team through end-to-end software development initiatives using contemporary cloud and backend technologies. You’ll collaborate closely with product partners, infrastructure teams, and fellow engineering leaders to deliver secure, high-quality applications that support long-term business goals.
Lead Software Engineer, Phantom Works The Boeing CoLead Software Engineer, Phantom WorksMO$160,650–$217,350 / yearPreferred Qualifications (Desired Skills/Experience): Bachelor of Science degree from an accredited course of study in engineering, engineering technology (includes manufacturing engineering technology), chemistry, physics, mathematics, data science, or computer science and 5+ years of related work experience OR Bachelor's Degree and 13+ years of directly related work experience OR 17+ years of related, relevant experience. Phantom Works is an advanced research and development organization responsible for engaging customers through cutting-edge visual modeling and simulation; innovating cross-cutting concepts and technologies; prototyping solutions to extend current products and win new programs; and developing new businesses and entering new markets.
Lead Software Engineer (C/C++) MasterCardLead Software Engineer (C/C++)O'fallon, MO$140,000–$231,000 / yearAll activities involving access to Mastercard assets, information, and networks comes with an inherent risk to the organization and, therefore, it is expected that every person working for, or on behalf of, Mastercard is responsible for information security and must: Abide by Mastercard's security policies and practices; Ensure the confidentiality and integrity of the information being accessed; Report any suspected information security violation or breach, and. 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.
Lead Software Engineer (.Net) Safety NationalLead Software Engineer (.Net)Saint Louis, Missouri$111,650–$141,100 / yearSince 1942, we’ve been an industry leader, valuing integrity, teamwork, and stability while providing competitive rewards, top-tier benefits, career growth opportunities, and flexible work options that promote balance. In this dynamic role, you'll lead architectural design, influence technical strategy, and drive the transformation of legacy systems into scalable, modular cloud-native applications.
Lead Software Engineer - Level 6 Iconma LLCLead Software Engineer - Level 6O'Fallon, MOResponsibilities: This job is a developing subject matter expert in the Software Engineering area, influencing stakeholders and applying advanced knowledge to drive achievement of area goals and initiatives by contributing to solution development and improvements for existing products, services, and/or processes. Guides and mentors junior team members through on-the-job experiences, reviewing work and fostering a culture of continuous improvement to grow expertise around their discipline.
Technical Lead Software Engineer (Java, React, Spring boot) Medica Health Plans IncTechnical Lead Software Engineer (Java, React, Spring boot)St Louis, MO$100,300–$150,465 / yearThe IT Engineer IV will work with a team of developers and interact closely with business subject matter experts to design and build solutions that help Medica members, providers and brokers do business with us using our portals. This role is responsible for developing and supporting technology solutions to advance the Digital applications by using the latest technology, integrating with multiple data sources, and solving complex problems.
Lead Software Engineer : Mastercard Shiftcode Analytics, IncLead Software Engineer : MastercardO Fallon, MOResponsible for identifying and resolving end-to-end performance bottlenecks across distributed systems, Spring Boot services, middleware components, and hybrid cloud environments (private cloud + AWS). Ideal candidates have extensive experience with high-scale, multi-region, and high-transaction platforms (e.g., financial systems, payment processing, or large enterprise SaaS) running in a Cloud environment.
Lead Software Engineer - #26-17214 US Tech Solutions, Inc.Lead Software Engineer - #26-17214O Fallon, MO$90–$95 / hourThis job is a developing subject matter expert in the Software Engineering area, influencing stakeholders and applying advanced knowledge to drive achievement of area goals and initiatives by contributing to solution development and improvements for existing products, services, and/or processes. About US Tech Solutions: US Tech Solutions is a global staff augmentation firm providing a wide range of talent on-demand and total workforce solutions.
Lead Software Integration Engineer - Workday Mastercard IncLead Software Integration Engineer - WorkdayO'Fallon, MO$122,000–$207,000 / yearAll activities involving access to Mastercard assets, information, and networks comes with an inherent risk to the organization and, therefore, it is expected that every person working for, or on behalf of, Mastercard is responsible for information security and must: Abide by Mastercard's security policies and practices; Ensure the confidentiality and integrity of the information being accessed; Report any suspected information security violation or breach, and. Lead delivery activities within Agile engineering teams, partnering with Product Owners and stakeholders to prioritize work, refine requirements, support backlog management, participate in sprint planning, and drive iterative delivery of Workday platform capabilities.
NewLead Software Test & Verification Engineer, Phantom Works BoeingLead Software Test & Verification Engineer, Phantom WorksBerkeley, MissouriBachelor of Science degree from an accredited course of study in engineering, engineering technology (includes manufacturing engineering technology), chemistry, physics, mathematics, data science, or computer science and 9+ years of related work experience OR Bachelor’s Degree and 13+ years of directly related work experience OR 17+ years of related, relevant experience. Knowledge of software practices (e.g., configuration control, change management, problem reporting, software design, peer review, testing, and T&E specific practices), programming languages, operating systems and computing technology applicable to laboratory and flight test systems, including real-time, non-real-time, network-centric, monitoring and control applications.
Lead Software Development Engineer Mastercard IncLead Software Development EngineerO'Fallon, MO$140,000–$231,000 / yearAll activities involving access to Mastercard assets, information, and networks comes with an inherent risk to the organization and, therefore, it is expected that every person working for, or on behalf of, Mastercard is responsible for information security and must: Abide by Mastercard's security policies and practices; Ensure the confidentiality and integrity of the information being accessed; Report any suspected information security violation or breach, and. The Lead Software Development Engineer is a technical leader responsible for driving software architecture, engineering strategy, and delivery of Mastercard''s next-generation payment platforms.
Senior Software Engineer-Oracle EPM AmerenSenior Software Engineer-Oracle EPMSaint Louis, Missouri$105,100–$204,400 / yearAssists in performing root cause analysis and interprets the results; provides input into action plan (e.g., provides input into prioritization of offensive/customer-facing issues and defensive/internally focused backlogs). Analyzes, designs, codes, tests, configures and modifies software projects and/or products or enhancements using various programming languages, technologies and development methodologies.
Software Engineer Reinventing Geospatial, Inc. (RGi)Software EngineerSt. Louis, MORGi provides opportunities, resources, training, and mentorship to all our employees to let them take control of their careers and become a leader or a crucial member of our company. A strong working knowledge of: AWS, Azure, or similar cloud platforms, MySQL, PostgreSQL, or SQL Server.
Staff Software Engineer / Architect Java Modernization (AWS / Kubernetes) Yantran LLCStaff Software Engineer / Architect Java Modernization (AWS / Kubernetes)OFALLON, MOPosition Title: Staff Software Engineer / Architect – Java Modernization (AWS / Kubernetes). to lead the modernization of a largescale, mission critical Java platform.
Senior Software Engineer - Aviation Displays Garmin LtdSenior Software Engineer - Aviation DisplaysSt. Louis, MOOverview We are seeking a full-time Senior Software Engineer - Aviation Displays at Garmin's U.S. headquarters in the Greater Kansas City area, or Garmin's office location in Chandler, AZ or St. In this role, you will be responsible for providing technical leadership and project planning for software development for products, applications, or systems new to Garmin as an individual contributor.
ConvergeCONSUMER - Technical Software Engineering Lead (Manager) - Innovation_Delivery_Transformation Deloitte Touche Tohmatsu LtdConvergeCONSUMER - Technical Software Engineering Lead (Manager) - Innovation_Delivery_TransformationSt. Louis, MO$148,200–$292,300 / yearConvergeCONSUMER is a product-driven business that combines differentiated consumer insights with robust prediction and optimization capabilities to help consumer-focused businesses improve decision-making and deliver personalized experiences to drive growth, consumer loyalty, and profitability. Our approach for addressing this complexity is simple: we combine Deloitte's next-generation technology platforms with decades of experience in the consumer sector and a deep understanding of its unique issues and challenges to drive profitability and future growth for our clients.
Software Development Engineer II- CI/CD & Platform Automation Engineer (DevOps) EsriSoftware Development Engineer II- CI/CD & Platform Automation Engineer (DevOps)Saint Louis, MissouriDesign, implement, and maintain high-speed CI/CD pipelines using GitHub Actions/Azure DevOps for cloud-native workflows and Jenkins for complex, cross-platform on-premises build automation. Work with the team to help design and implement monitoring frameworks to track build performance; assist in automated load and performance testing of the Python stack to identify regressions before release.
NewEmbedded Software Engineer Intern Leonardo DRS IncEmbedded Software Engineer InternBridgeton, MO$41,011–$53,315 / yearSeveral factors can influence the pay scale, including but not limited to: Federal contract labor categories and contract wage rates, collective bargaining agreements, geographic location, business considerations, scope, and responsibilities of the position, local or other applicable market conditions, and internal equity. Leonardo DRS Land Systems is seeking an Embedded Software Engineer Intern for Summer 2026 to help our Software Engineering (SW) team meet the technical performance requirements on complex system development programs.