- Mastercard (O'Fallon, MO)
- …that help people, businesses and governments realize their greatest potential._ **Title and Summary** Lead Software Engineer ( Java ) Join a high-impact, ... delivering robust capabilities with a strong emphasis on cryptography and secure software development. We're looking for a technically skilled and security-minded … more
- Mastercard (O'Fallon, MO)
- …businesses and governments realize their greatest potential._ **Title and Summary** Senior Software Engineer ( Java , SpringBoot, Angular) Overview * ... knowledge of business / functional requirements gathering as part of the software development lifecycle. * Participate in major projects and complex assignments with… more
- Mastercard (O'Fallon, MO)
- …help people, businesses and governments realize their greatest potential._ **Title and Summary** Lead Software Engineer STRM program is dedicated collection ... no dictated leadership hierarchy within the team members. * Lead Software Engineer at MasterCard...the day to day activities * Technical experience using Java /JEE/ Spring boot. Strong on Java Fundamentals… more
- The Boeing Company (Berkeley, MO)
- …Find your future with us. The Boeing Company is currently seeking a **Communications Software Lead Engineer -Developer** to support our **Air Proprietary 2 ... the Boeing Defense, Space & Security (BDS) business organization. The Mission Systems Communications Software Lead Engineer will lead the software… more
- Mastercard (O'Fallon, MO)
- …help people, businesses and governments realize their greatest potential._ **Title and Summary** Lead Software Engineer Who is Mastercard? Mastercard is a ... solutions in a SAFe/Agile process. - Full Stack developer with strong Java development/architecture experience. - - Experience with responsive design, working with… more
- Mastercard (O'Fallon, MO)
- …help people, businesses and governments realize their greatest potential._ **Title and Summary** Lead Software Engineer Who is Mastercard? Mastercard is a ... changing business needs. * Demonstrate active learning and sharing of software practices via Guild/Engineering community initiatives * Provide technical design and… 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 ... Java , JavaScript, COBOL, SQL) * Experience working on scalable, multi-threaded software products developed using core Java , Spring Core, Spring Boot, Spring… more
- Leonardo DRS, Inc. (Bridgeton, MO)
- …Engineering Technical Director, and Lead Software Engineers on various Software Engineering activities + May code using C/C++/C#/ Java to complete coding ... Summary** Leonardo DRS Land Systems is seeking an Embedded Software Engineer Intern for Summer 2026 to...working on a variety of programs and writing (C,C++,C#, Java and Python) software that runs on… more
- Leonardo DRS, Inc. (Bridgeton, MO)
- …Engineering Technical Director, and Lead Software Engineers on various Software Engineering activities + May code using C/C++/C#/ Java to complete coding ... Summary** Leonardo DRS Land Systems is seeking an Embedded Software Engineer Intern for Summer 2026 to...working on a variety of programs and writing (C,C++,C#, Java and Python) software that runs on… more
- The Boeing Company (Berkeley, MO)
- …your future with us. The Boeing Company is looking for a **DevSecOps & Environment Lead Engineer ** to join the Air Proprietary 2 Mission Systems team located in ... (BDS) business organization. The Boeing Company is currently seeking a **Senior Software Engineer -DevSecOps** to support our **Air Proprietary 2 Mission… more
- The Boeing Company (Berkeley, MO)
- …Find your future with us. The Boeing Company is currently seeking **Full Stack Software Engineer Lead (Associate, Mid-Level or Senior)** to support our ... software development lifecycle + 3+ years in full life cycle software development of Java -based (J2EE/ Java Spring) applications in a UNIX/Linux platform… more
- Mastercard (O'Fallon, MO)
- …people, businesses and governments realize their greatest potential._ **Title and Summary** Senior Software Engineer Who is Mastercard? We work to connect and ... changes. We are modernizing the ABU platform and seeking strong, innovative Software Engineers with experience in domain-driven design. We're looking for individuals… more
- The Boeing Company (Berkeley, MO)
- …Space & Security (BDS) Software Engineering organization. The Mission Systems Battlespace Picture Software Lead Engineer will be the lead the ... Find your future with us. The Boeing Company is currently seeking a ** Software Engineer -Systems** to support our **Air Proprietary 2 Mission Systems** **,… more
- Leidos (St. Louis, MO)
- …Decision Advantage Solutions Business Area, is currently seeking a highly motivated Sr. Software Engineer for the Chinook Program. The Chinook Program delivers ... GEOINT enterprise through secure, agile, and cloud-native development. As a senior engineer , you will lead technical development efforts, drive DevSecOps… more
- Mastercard (O'Fallon, MO)
- …businesses and governments realize their greatest potential._ **Title and Summary** Senior Software Engineer Job Description Summary Overview The MDES team is ... looking for a Senior Software Development Engineer who can develop microservices...quality, within schedule and within estimated efforts. * Assist Lead Engineer in low level design *… more
- Leidos (St. Louis, MO)
- …and able to obtain a Polygraph.** **Primary Responsibilities:** + Serve as the lead software engineer and technical advisor for mission applications ... of the Decision Advantage Solutions Business Area, is currently seeking an experienced Software Engineer Subject Matter Expert (SME) for the Chinook Program. The… more
- Mastercard (O'Fallon, MO)
- … Overview: Mastercard's Business & Market Insights (B&MI) is seeking a Senior Principal Software Engineer to lead the design and development of advanced ... and success. We turn complex data into actionable strategies that lead to better outcomes and sustained competitive advantage. Role: Technical Leadership… 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
- Mastercard (O'Fallon, MO)
- …and governments realize their greatest potential._ **Title and Summary** Senior Principal Software Engineer Overview: Ethoca, a Mastercard company, seeking a ... Senior Principal Software Engineer to provide technical leadership, architectural...matter, this is the place for you. Role: * Lead complex enterprise-wide services/programs, ensuring alignment with strategic objectives… 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 ... a relentless focus on our customers. As a Sr Software Development Engineer at Mastercard, you are...write secure code in two or more languages (eg, Java , JavaScript, Angular) and familiar with secure coding standards… more