- The Boeing Company (St. Charles, MO)
- …your future with us. The Boeing Company is looking for a **Weapons Associate Software Engineer ** located in **St. Charles, MO** . The **Direct Attack Weapons ... Software ** team is seeking a software engineer to develop, integrate, test, and deliver complex software solutions. The engineer will work with a… more
- Mastercard (O'Fallon, MO)
- …and governments realize their greatest potential._ **Title and Summary** Lead Software Engineer STRM program is dedicated collection of self-organizing, ... There is no dictated leadership hierarchy within the team members. * Lead Software Engineer at MasterCard is a high performing engineer within the… more
- The Boeing Company (St. Charles, MO)
- …with us. The Boeing Company is currently seeking an **_Experienced Embedded Software Engineer_** to support our **Precision Engagement Systems** located in **Saint ... Systems (CMS)** missions. Aligned with customer objectives, we deliver tailored software solutions through our exceptional workforce. In Saint Charles, MO, we… more
- The Boeing Company (Maryland Heights, MO)
- …Solutions, a part of Boeing Global Services BGS, is seeking **an Associate Software Engineer in Maryland Heights, MO** to support future franchise programs. ... This role involves software development for the next generation Mission Planning system...of Defense. You will be a member of a software development scrum team and follow the SAFe Agile… more
- Mastercard (O'Fallon, MO)
- …businesses and governments realize their greatest potential._ **Title and Summary** Software Engineer II Overview: Mastercard's Decision Management Platform team ... is seeking a Software Developer II to design, develop, and deliver scalable,...to design, develop, and deliver scalable, secure, and high-quality software solutions. In this role, you will contribute to… more
- Mastercard (O'Fallon, MO)
- …people, businesses and governments realize their greatest potential._ **Title and Summary** Lead Software Engineer Overview * Tech Lead at MasterCard is a high ... performing engineer within the organization and spearheads the architecture or...or framework implementations. He or she participates in the Software Development Life Cycle through Coaching, R&D, Proof of… more
- Mastercard (O'Fallon, MO)
- …businesses and governments realize their greatest potential._ **Title and Summary** Senior Software Engineer At Mastercard, our industry expertise is enhanced by ... - Hands-on engineer to contribute to all parts of the software 's development including design, development, documentation, and testing. - Writes and test… more
- Deloitte (St. Louis, MO)
- …Certifications: + Certified SAFe(R) Advanced Scrum Master + Certified SAFe(R) Agile Software Engineer + Certified SAFe(R) Agilist + Certified SAFe(R) Architect ... on May 31, 2026. What You'll Do As a Deloitte Tax Manager, AI Software Back-End Engineer , you will be in a lead role for design, development, debugging, testing,… more
- Mastercard (O'Fallon, MO)
- …governments realize their greatest potential._ **Title and Summary** Business Rules, Lead Software Engineer Who is Mastercard? Mastercard is a global technology ... The Business Rules Engineering & Strategy team is looking for a Lead Software Engineer to drive forth our mission of building robust IBM ODM Rule solutions… more
- Mastercard (O'Fallon, MO)
- …governments realize their greatest potential._ **Title and Summary** Senior Principal Software Engineer Overview: Mastercard's Business & Market Insights (B&MI) ... is seeking a Senior Principal Software Engineer to lead the design and development of advanced software solutions for Operational Intelligence program group… more
- Deloitte (St. Louis, MO)
- Role Overview: As a Full-stack Software Engineer , you will actively engage in your engineering craft, taking a hands-on approach to multiple high-visibility ... collaborating with cross-functional teams to design, develop, and deploy advanced software solutions. Recruiting for this role ends on 9/22/25. Key Responsibilities:… more
- ARCO (Brentwood, MO)
- …are we? We are ARCO, A Family Of Construction Companies. We're looking for a Software Engineer to join our expanding technology team in our Brentwood office. As ... a Software Engineer on the Integrations and DevOps team, you'll play a key role in designing, developing, and maintaining integrations between our core systems,… more
- ThermoFisher Scientific (St. Louis, MO)
- **Work Schedule** Standard (Mon-Fri) **Environmental Conditions** Office **Job Description** **Staff Software Engineer (Angular / C#.NET / SQL / MongoDB / Cloud ... Services)** **Position Summary:** The **Staff Software Engineer ** will be responsible for architecting, developing, and maintaining modern, scalable web… more
- Mastercard (O'Fallon, MO)
- …businesses and governments realize their greatest potential._ **Title and Summary** Senior Software Engineer Who is Mastercard? Mastercard is a global technology ... - with a relentless focus on our customers. As a Sr Software Development Engineer at Mastercard, you are expected to perform the following general duties:… more
- Mastercard (O'Fallon, MO)
- …businesses and governments realize their greatest potential._ **Title and Summary** Senior Software Engineer Overview: Who is Mastercard? Mastercard is a global ... We are seeking a highly skilled and motivated Senior Engineer to oversee technical projects, guide engineering teams, and...a related field. * 8+ years of experience in software /hardware engineering * Has the ability to write secure… more
- Mastercard (O'Fallon, MO)
- …help people, businesses and governments realize their greatest potential._ **Title and Summary** Software Engineer II Overview We work to connect and power an ... optimization and testing. We are looking for an experienced engineer that is passionate about performance with a constant...* Dig into Java code, databases, middleware, and vendor software to identify performance bottlenecks and resolve them *… more
- Mastercard (O'Fallon, MO)
- …businesses and governments realize their greatest potential._ **Title and Summary** Senior Software Engineer At Mastercard, we're shaping the future of data ... and trust. We are looking for a hands-on Data Quality Engineer with strong software engineering skills to design and implement scalable, cloud-based solutions… more
- Mastercard (O'Fallon, MO)
- …businesses and governments realize their greatest potential._ **Title and Summary** Lead Software Engineer Mastercard is a global technology company in the ... Overview Responsible for the analysis, design, development and delivery of software solutions Defines requirements for new applications and customizations, adhering… more
- Mastercard (O'Fallon, MO)
- …businesses and governments realize their greatest potential._ **Title and Summary** Lead Software Engineer Who is Mastercard? Mastercard is a global technology ... changing business needs. * Demonstrate active learning and sharing of software practices via Guild/Engineering community initiatives * Provide technical design and… more
- Eliassen Group (St. Louis, MO)
- **Lead .NET Software Engineer ** **St. Louis, MO** **Type:** Contract-to-Hire **Category:** Engineer **Industry:** Other **Reference ID:** JN -112025-104453 ... across the team. **Experience Requirements:** **Required:** + 8+ years of professional software development experience, including at least 3+ years in a technical… more