Software Engineer II
$92k - $147kMasterCard
Software Engineer II - LogoSkip to main content#Software Engineer II page is loaded## Software Engineer IIApplylocations: O'Fallon, Missouritime type: Full timeposted on: Posted 22 Days Agojob requisition id: R-273060**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**### Software Engineer II### Who is Mastercard? Mastercard is a global technology company in the payments industry. 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 and networks, partnerships and passion, our innovations and solutions help individuals, financial institutions, governments, and businesses realize their greatest potential. Our decency quotient, or DQ, drives our culture and everything we do inside and outside of our company. With connections across more than 210 countries and territories, we are building a sustainable world that unlocks priceless possibilities for all. Overview The Remote Payment and Presentment System team is seeking a Software Engineer II to help advance our customer experience strategy through continuous innovation and problem-solving. Our platform is a well-established electronic payment network, founded in 1987, that serves as a central hub for routing, clearing, and settling consumer bill payments across the United States. It connects financial institutions, walk-in payment providers, and billers along with their service partners, including treasury institutions and processors, to enable seamless, reliable payment transactions. The ideal candidate for this role is a highly motivated and technically skilled software engineer who thrives in a fast-paced environment, demonstrates strong problem-solving abilities, and is passionate about building scalable, high-quality payment solutions that enhance the customer experience. Role • Follow established processes and best practices across the software delivery lifecycle, including development, testing, and deployment • Deliver assigned work with quality and timeliness, demonstrating self sufficiency in completing tasks while seeking guidance from senior team members when appropriate. • Proactively request and incorporate code reviews to continuously improve code quality • Develop a strong understanding of the broader system landscape and end-to-end architecture within owned areas • Contribute ideas and actionable feedback to enhance processes, performance, and product quality • Apply Mastercard technology standards and policies consistently in day-to-day work • Actively learn and share knowledge by participating in Guilds and engineering community initiatives All About You • Experience developing front-end applications using Angular, including writing and executing test scripts • Strong proficiency in TypeScript, Java, and SQL, with experience building microservices using Spring Boot • Familiarity with secure coding standards (e.g., OWASP, CWE) and code quality tools (e.g., Sonar, Checkmarx) • Experience with Git-based workflows, including branching strategies and peer code reviews • Ability to design and implement unit, integration, and service-level tests to ensure code quality and coverage • Understanding of core design patterns and modern application architectures (APIs, event-driven, microservices) • Experience participating in requirement analysis, estimation, and agile delivery (Scrum, Kanban, SAFe) • Knowledge of CI/CD practices, including automation, pipelines, and containerization • Solid understanding of building and operating secure, scalable, and reliable systems #LI-FT1### Mastercard is a merit-based, inclusive, equal opportunity employer that considers applicants without regard to gender, gender identity, sexual orientation, race, ethnicity, disabled or veteran status, or any other characteristic protected by law. We hire the most qualified candidate for the role. In the US or Canada, if you require accommodations or assistance to complete the online application process or during the recruitment process, please contact reasonable\View email address on click.appcast.io and identify the type of accommodation or assistance you are requesting. Do not include any medical or health information in this email. The Reasonable Accommodations team will respond to your email promptly.### **Corporate Security Responsibility**All 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* Complete all periodic mandatory security trainings in accordance with Mastercard’s guidelines.### In line with Mastercard’s total compensation philosophy and assuming that the job will be performed in the US, the successful candidate will be offered a competitive base salary and may be eligible for an annual bonus or commissions depending on the role. The base salary offered may vary depending on multiple factors, including but not limited to location, job-related knowledge, skills, and experience. Mastercard benefits for full time (and certain part time) employees generally include: insurance (including medical, prescription drug, dental, vision, disability, life insurance); flexible spending account and health savings account; paid leaves (including 16 weeks of new parent leave and up to 20 days of bereavement leave); 80 hours of Paid Sick and Safe Time, 25 days of vacation time and 5 personal days, pro-rated based on date of hire; 10 annual paid U.S. observed holidays; 401k with a best-in-class company match; deferred compensation for eligible roles; fitness reimbursement or on-site fitness facilities; eligibility for tuition reimbursement; and many more. Mastercard benefits for interns generally include: 56 hours of Paid Sick and Safe Time; jury duty leave; and on-site fitness facilities in some locations.**Pay Ranges**O'Fallon, Missouri: $92,000 - $147,000 USD #J-18808-Ljbffr
$115k - $184k
...Overview Software Engineer II (IBM ODM/Business Rule Author) – AI & Decisioning Platform Enablement (AI & DPE) team. In this role you will be part of the Business Rules Engineering & Strategy team, focused on designing and delivering robust IBM Operational Decision Manager...SuggestedFull timeWork experience placementFlexible hours- ...MasterCard is seeking a Software Engineer II in O'Fallon, Missouri. The ideal candidate will follow software delivery processes and engage in customer experience innovation within a fast-paced environment. Candidates should have a strong foundation in Angular, TypeScript...Suggested
- ...Paragon is recruiting for a Security Engineer II to work on the PEO-T contract for USTRANSCOM. Security Engineer II provides technical support in the areas of vulnerability and risk assessment, network security, product evaluation, and security implementation. Understands...SuggestedContract workWork at office
- ...Joint Fires Network Engineer II I2X Technologies is seeking a Joint Fires Network Engineer II to support ongoing activities for a customer... ...change management tasks which include hardware replacement, software configurations, and ASI management. Utilize incident...SuggestedWork experience placementLong distanceShift workNight shift
- ...Implementations/Activations Network Engineer II - Scott Air Force Base, IL Description LightGrid is hiring for an Implementations/Activation... ..., including consulting with users to determine hardware, software, or system functional requirements in support of customer resources...Suggested
- ...LightGrid is seeking an Implementations/Activations Network Engineer II for Scott Air Force Base, IL. The candidate will perform critical duties such as customer coordination, Initial Test and Acceptance, and management of Telecommunication Service Orders (TSOs). This...
- ...As an analyst on the Data Science & Engineering team, you will develop data & analytics solutions that sit atop vast datasets gathered by retail stores, restaurants, banks, and other consumer-focused companies. The challenge will be to create high-performance algorithms...
- ...SDA Network Engineer II Position Summary: We are seeking an SDA Network Engineer II to support mission-critical network operations at Scott Air Force Base, IL. This role focuses on monitoring, analyzing, configuring, and restoring customer circuits across transport...Work at officeShift workNight shift
- ...Novul Solutions is seeking an SDA Network Engineer II at Scott Air Force Base, IL, to enhance network operations and support mission-critical activities. The role emphasizes circuit monitoring, troubleshooting, and enhancing connectivity during various outages. The ideal...Night shift
- ...LightGrid is Hiring! We are looking for an Implementations Network Engineer II t work at Scott AirForceBase. ACTIVE DoD SECRET is a must.... ...baseline configurations customized for each site. Upgrade software on Cisco and Juniper devices. Create/update project planning...Full time
$80k - $120k
...Description SAIC is seeking a Systems Engineer for the Cloud team to support an IT Service... ...specific, detailed information for hardware and software selection, cloud service provider... .... Active DoD Secret Clearance. IAT Level II certifications (Security+, CySA+, GICSP,...Contract workMonday to FridayWeekend work- ...Information Technology, database & COTS integration, and custom software development. Onyx pairs subject matter and functional experts... ...clearance ~ US Citizen ~ Bachelor's degree ~ DoD 8570 IAT-II ~5+ years software development, 3+ years Java enterprise ~ Web...Flexible hours
$80k - $120k
...Description SAIC is seeking a Systems Engineer for the Cloud team to support an IT Service... ..., detailed information for hardware and software selection, cloud service provider... ...Active DoD Secret Clearance IAT Level II certifications (Security+, CySA+, GICSP,...Contract workMonday to FridayWeekend work- ...Cloud Engineer Our foundation is built upon the heart of patriotism; grounded in protecting... ..., detailed information for hardware and software selection, cloud service provider... ...Must have at least one of these IAT Level II certifications: Security+, CECCNA-Security...Weekend work
- ...security, cyber security, or cutting‑edge engineering applications, I2X is ready to offer you... ...Technologies is seeking a Data Engineer Software Developer to support ongoing activities for... ...certification or equivalent DoD 8570 IAT II certification is required. Preferred Qualifications...Full timeWork experience placementRemote workLong distance
$120k - $160k
...Description SAIC is seeking a Cloud Engineer SME to support an IT Service Management effort... ...Provide detailed information for hardware and software selection, cloud service provider... ...At least one of the following IAT Level II certifications: Security+, CECCNA‑Security...Contract workRelocation packageWeekend work- ...should have experience with Java, Angular, and cloud security. The ideal applicant will possess an Active Secret Clearance, IAT Level II certification, and at least 3 years in development or cybersecurity. Opportunities for collaboration with DevSecOps teams and...
- ...environments Qualifications Active Secret Clearance IAT Level II certification (CompTIA Security+ CE preferred) Bachelor’s degree... ...equivalent experience) Minimum 5+ years of experience in cloud engineering/architecture, with a focus on AWS or similar cloud platforms Strong...For contractorsLocal area
$115k - $184k
...Senior Software Engineer in Test Location: OFallon, MO, USA. Mission Mastercard powers economies and empowers people in 200+ countries and territories worldwide, helping build a sustainable economy where everyone can prosper. We support a wide range of digital payments...WorldwideFlexible hours$80k - $120k
...certifications* SAIC is seeking a skilled and motivated Cloud Engineer to join our team in supporting an IT Service Management (ITSM)... ...and experience operating AWS environments. IAT Level II certification (e.g., Security+, CECCNA-Security, CySA+ **, GICSP...Contract workRelocation packageMonday to Friday$59.15k - $106.93k
...multiple openings in our Joint Fires Network (JFN) NOC for Network Engineer II supporting our Global Solutions Management-Operations II (GSMO... ...change management tasks which include hardware replacement, software configurations, and ASI management. Utilize incident...Full timeShift workNight shift- ...Security Engineer (HYBRID) - Scott Air Force Base - Secret SOC is seeking Security Engineer to join our customer's team at Scott Air... ...equivalent experience ~ One or more of the following IAM Level II certifications required: CAP, CASP+ CE, CISM, CISSP, GSLC, CCISO...For contractorsWork at office
- ...environments. The Cloud Security Developer works closely with DevSecOps engineers, developers, and cybersecurity teams to ensure that applications... ...secure coding Qualifications Active Secret Clearance IAT Level II certification (CompTIA Security+ CE required) 3+ years of...Local area
- ...Smith Group in Belleville, IL, seeks a Transportation Project Engineer I/II to assist with the design of transportation projects,... ...years of experience. Candidates should be familiar with CAD software like MicroStation and AutoCAD. Gonzalez Companies offers a competitive...
- ...realize their greatest potential.***Title and Summary**### BizOps Engineer II### "Overview The BizOps team is looking for a Site Reliability... .... • Support the application CI/CD pipeline for promoting software into higher environments through validation and operational gating...Full timePart timeWorldwideFlexible hoursShift work
- ...tools like PCF (Pivotal Cloud Foundry) demonstrates the candidate’s ability to work within cloud environments effectively. Modern Software Design Principles: Deep understanding of design principles like SOLID, DRY (Don't Repeat Yourself), and Single Responsibility. This...Full timeH1b
$59.15k - $106.93k
...A federal agency seeks an Implementations/Activations Network Engineer at Scott AFB, IL, to oversee network installations and activations in support of the Department of Defense. Responsibilities include managing service orders and ensuring compliance with DISA standards...- ...exploration, national security, cyber security, or cutting‑edge engineering applications, I2X is ready to offer you the chance to make a... ...procedures, including consulting with users to determine hardware, software, or system functional requirements in support of customer...Work experience placementLong distance
- Job Description Perform installation oversight, configuration, testing, monitoring, servicing of network equipment, and activation of DoD network services/projects in accordance with DISA standards. Primary Responsibilities: Lead and train team on...Immediate startFlexible hours
- ...MasterCard is looking for a Senior Data Engineer in O’Fallon, Missouri to build and optimize data platforms that enable advanced analytics and machine learning. You'll collaborate with engineering, product, and analytics teams to deliver production-ready data solutions...
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