Sign up to access all features of our service.
  • Job search
  • Favorites
  • Create a CV
    New
  • Salaries
  • Subscriptions

Senior Software Engineer II

$115k - $184k
Full-time

Mastercard

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 II

About the Role
As a Senior Data Engineer, you’ll take ownership of building and optimizing data platforms, pipelines, and systems that enable advanced analytics, machine learning, and business insights. You’ll collaborate closely with engineering, product, and analytics teams to deliver reliable, production-ready data solutions.

Overview
• Design, build, and maintain scalable data platforms leveraging Data Engineering best practices
• Develop and optimize large-scale data pipelines using Distributed Data Processing frameworks
• Implement and manage automated workflows using Workflow Orchestration to ensure reliable data movement and processing
• Design and integrate data from multiple sources using Data Integration techniques to create a unified, accessible data layer
• Build and maintain scalable Data Lakes for storing and analyzing large, diverse datasets
• Define and implement robust Data Modeling strategies to support analytics and reporting use cases
• Design and optimize Database Design solutions to ensure performance, scalability, and data integrity
• Process and transform large datasets using efficient Data Processing techniques to generate actionable insights
• Ensure strong Data Security practices, including data protection, governance, and compliance
• Lead system design discussions and contribute to architectural decisions
• Own full SDLC delivery including requirements, design, development, testing, and deployment
• Troubleshoot and resolve production issues through structured root cause analysis
• Drive improvements in performance, scalability, and reliability of data systems
• Collaborate across teams to align data solutions with business needs
• Mentor team members and contribute to knowledge sharing and technical development

All About You
• Experience designing and building scalable systems using modern Data Engineering principles
• Strong experience with Distributed Data Processing and large-scale data platforms
• Hands-on experience with Data Integration, Data Modeling, and Data Processing
• Experience building and maintaining Data Lakes and modern data architectures
• Solid understanding of Database Design and data optimization techniques
• Knowledge of Workflow Orchestration tools and end-to-end pipeline automation
• Strong understanding of Data Security and data governance practices
• Proven ability to work independently on complex technical challenges
• Strong troubleshooting and root cause analysis skills in data environments
• Experience working in Agile/Scrum environments and collaborating across teams
• Strong communication and collaboration skills, with the ability to influence decisions
• Experience mentoring or supporting other engineers
• Bachelor’s degree or equivalent experience

Nice to Have
• Experience with cloud platforms (AWS, Azure, or GCP) and modern data tooling
• Experience with event-driven or streaming architectures
• Exposure to machine learning or advanced analytics environments
Experience in high-throughput or regulated environments (payments, banking, fintech)

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 View email address on decentrajobs.com 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.

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 View email address on decentrajobs.com 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: $115,000 - $184,000 USD

Vacancy posted 3 days ago
Similar jobs that could be interesting for youBased on the Senior Software Engineer II in O Fallon, MO vacancy
  • $115k - $184k

     ...products and services that help people, businesses and governments realize their greatest potential. Title and Summary Software Engineer II (IBM ODM) Overview Mastercard is seeking a Software Engineer II (IBM ODM/Business Rule Author) to join the AI &... 
    Suggested
    Full time
    Part time
    Work experience placement
    Worldwide
    Flexible hours

    MasterCard

    O Fallon, MO
    4 days ago
  • $92k - $147k

     ...of products and services that help people, businesses and governments realize their greatest potential. Title and Summary Software Engineer II Who is Mastercard? We work to connect and power an inclusive, digital economy that benefits everyone, everywhere, by making... 
    Suggested
    Full time
    Part time
    Worldwide
    Flexible hours

    MasterCard

    O Fallon, MO
    3 days ago
  • $37.71 - $56.57 per hour

     ...HSHS Medical Group in O'Fallon, IL is seeking a full-time Cardiac Sonographer II to perform ultrasound procedures and provide patient care. The ideal candidate will have at least 2 years of cardiac sonography experience and required certifications. The position includes... 
    Senior
    Full time
    Relocation package
    Flexible hours

    HSHS Medical Group

    O Fallon, MO
    3 days ago
  • $132k - $212k

     ...products and services that help people, businesses and governments realize their greatest potential. Title and Summary Senior Software Engineer Who is Mastercard? Mastercard is a global technology company in the payments industry. Our mission is to connect and... 
    Senior
    Full time
    Part time
    Worldwide
    Flexible hours

    MasterCard

    O Fallon, MO
    17 days ago
  • $115k - $184k

     ...Senior Software Engineer (Mainframe/COBOL) Mastercard's Core Payments team is seeking a Senior mainframe engineering leader who can operate as a technical expert, modernization advocate, and stakeholder partner. This role requires strong hands-on experience in mainframe... 
    Senior

    Dynamic Yield

    O Fallon, MO
    1 day ago
  • $115k - $184k

     ...products and services that help people, businesses and governments realize their greatest potential. Title and Summary Senior Software Engineer Who is Mastercard? We work to connect and power an inclusive, digital economy that benefits everyone, everywhere, by... 
    Senior
    Full time
    Part time
    Worldwide
    Flexible hours

    MasterCard

    O Fallon, MO
    9 days ago
  • $195k - $323k

     ...Principal Software Engineer, Senior Architect 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... 
    Senior

    Dynamic Yield

    O Fallon, MO
    1 day ago
  • $92k - $147k

     ...of products and services that help people, businesses and governments realize their greatest potential. Title and Summary Software Engineer II Overview The Transaction Switching team is looking for a Software Engineer II to help drive our software delivery strategy... 
    Full time
    Part time
    Worldwide
    Flexible hours

    Mastercard

    O Fallon, MO
    a month ago
  • $92k - $147k

     ...governments realize their greatest potential. Title and Summary Software Engineer II Who is Mastercard? Mastercard is a global technology...  ...of software solutions under the guidance of more senior engineers. This role is ideal for individuals who have a strong... 
    Full time
    Part time
    Worldwide
    Flexible hours

    Mastercard

    O Fallon, MO
    a month ago
  • $92k - $147k

     ...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. We work to connect and power an... 
    Full time
    Part time
    Worldwide
    Flexible hours

    Mastercard

    O Fallon, MO
    24 days ago
  • $92k - $147k

     ...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... 
    Full time
    Part time
    Worldwide
    Flexible hours

    Mastercard

    O Fallon, MO
    12 days ago
  • $92k - $147k

     ...products and services that help people, businesses and governments realize their greatest potential. Title and Summary Software Engineer II Mastercard is a global technology company in the payments industry. Our mission is to connect and power an inclusive,... 
    Full time
    Part time
    Worldwide
    Flexible hours
    Shift work

    Mastercard

    O Fallon, MO
    a month ago
  • $92k - $147k

     ...governments realize their greatest potential. Title and Summary Software Engineer || Overview At Mastercard, our industry expertise is...  ...Mastercard Corporate Solutions team is looking for a Software Engineer II to drive our customer experience strategy forward by... 
    Full time
    Part time
    Worldwide
    Flexible hours

    MasterCard

    O Fallon, MO
    4 days ago
  • NISC is seeking a versatile mid-to-senior software engineer to join their team in Lake Saint Louis, MO. In this role, you will engage in the full software delivery lifecycle, focusing on both application development and DevOps practices. You will collaborate with internal... 
    Senior

    NISC

    Lake Saint Louis, MO
    3 days ago
  • $115k - $184k

     ...products and services that help people, businesses and governments realize their greatest potential. Title and Summary Senior Software Engineer - Java Full Stack Engineer All About Us MasterCard is a technology company in the global payments business. We connect... 
    Senior
    Full time
    Part time
    Work experience placement
    Worldwide
    Flexible hours

    MasterCard

    O Fallon, MO
    6 days ago
  • A defense contracting firm located in O'Fallon, IL is looking for a Systems Engineer SME to provide strategic advice and technical guidance at Scott Air Force Base. The role demands over 10 years of experience in cloud engineering, specifically designing and deploying... 
    Senior

    Second-61

    O Fallon, MO
    1 day ago
  • Phase2 Technology in O'Fallon, Illinois, is seeking an experienced AI/ML Engineer to architect and implement AI-driven solutions for the Defense and Intelligence sectors. You will develop production-grade machine learning systems and collaborate across teams to enhance... 
    Senior
    Remote job
    Flexible hours

    Phase2 Technology

    O Fallon, MO
    3 days ago
  •  ...Senior Site Reliability Engineer The BizOps team is looking for a Senior Site Reliability Engineer who can help us solve problems and enhance our...  ...Support the application CI/CD pipeline for promoting software into higher environments through validation and operational... 
    Senior
    Shift work

    Dynamic Yield

    O Fallon, MO
    1 day ago
  • $77.5k - $176k

    Booz Allen Hamilton is seeking a DevOps engineer based in O'Fallon, Illinois, specializing in AI for the Department of War. This role involves streamlining IT operations and automating workflows to enhance productivity and speed in implementing Agentic AI solutions. Candidates... 
    Senior

    Booz Allen Hamilton

    O Fallon, MO
    4 days ago
  • $96k - $163k

     ...realize their greatest potential. Title and Summary Senior Site Reliability Engineer Overview- The B&MI BizOps team is looking for a...  ...support our developers during the application build phase in software run principals that includes operational design, automation... 
    Senior
    Full time
    Part time
    Worldwide
    Flexible hours
    Shift work

    MasterCard

    O Fallon, MO
    5 days ago
  • $107.9k - $195.05k

     ...Description The Leidos Spatial Solutions Division has an exciting opportunity for a senior DevOps Engineer to assist with the development, integration, deployment, and sustainment of mission critical systems that enable NGA's Geospatial Intelligence (GEOINT) mission... 
    Senior
    Local area
    Immediate start
    Remote work

    Leidos

    O Fallon, MO
    4 hours ago
  • $80k - $125k

     ...application process. Full-Time Professional East Peoria, IL, US Salary Range: $80,000.00 - $125,000.00 Annually Job Summary: The Senior Network Engineer - Core/IP Infrastructure is responsible for designing, implementing, and operating i3 Broadband’s carrier‑grade IP backbone... 
    Senior
    Full time
    Work at office

    I3 Broadband LLC

    Saint Peters, MO
    4 days ago
  • $96k - $163k

     ...governments realize their greatest potential. Title and Summary Senior Platform Engineer - Database Admin Overview • Provide world-class...  ...partitioning. • Advanced knowledge of Oracle RAC, Cluster Resource software and Oracle 12C features. Education (preferred): •... 
    Senior
    Full time
    Part time
    Worldwide
    Flexible hours

    MasterCard

    O Fallon, MO
    1 day ago
  • $115k - $184k

     ...products and services that help people, businesses and governments realize their greatest potential. Title and Summary Senior Software Engineer Overview We work to connect and power an inclusive, digital economy that benefits everyone, everywhere, by making transactions... 
    Senior
    Full time
    Part time
    Worldwide
    Flexible hours

    Mastercard

    O Fallon, MO
    a month ago
  • $115k - $184k

     ...products and services that help people, businesses and governments realize their greatest potential. Title and Summary Senior Software Engineer Who is Mastercard? We work to connect and power an inclusive, digital economy that benefits everyone, everywhere, by... 
    Senior
    Full time
    Part time
    Worldwide
    Flexible hours

    Mastercard

    O Fallon, MO
    29 days ago
  • $115k - $184k

     ...products and services that help people, businesses and governments realize their greatest potential. Title and Summary Senior Software Engineer Who is Mastercard? Mastercard is a global technology company in the payments industry. Our mission is to connect and... 
    Senior
    Full time
    Part time
    Worldwide
    Flexible hours

    Mastercard

    O Fallon, MO
    16 days ago
  •  ...Moofwd, Inc. has a Software Engineer position in OFallon, MO, to plan, design and develop modern microservice-based solutions using Java and Spring Boot in a cloud-based environment. Send your CV and a short cover note to ****@*****.***. recblid zbbymvnig2kru4y3... 

    Moofwd

    O Fallon, MO
    5 days ago
  • $115k - $184k

     ...products and services that help people, businesses and governments realize their greatest potential. Title and Summary Senior Software Engineer Who is Mastercard? Mastercard is a global technology company in the payments industry. Our mission is to connect and... 
    Senior
    Full time
    Part time
    Worldwide
    Flexible hours

    Mastercard

    O Fallon, MO
    a month ago
  • $115k - $184k

     ...products and services that help people, businesses and governments realize their greatest potential. Title and Summary Senior Software Engineer Who is Mastercard? We work to connect and power an inclusive, digital economy that benefits everyone, everywhere, by... 
    Senior
    Full time
    Part time
    Worldwide
    Flexible hours

    Mastercard

    O Fallon, MO
    a month ago
  • $115k - $184k

     ...products and services that help people, businesses and governments realize their greatest potential. Title and Summary Senior Software Engineer Who is Mastercard? Mastercard is a global technology company in the payments industry, committed to powering an inclusive... 
    Senior
    Full time
    Part time
    Worldwide
    Flexible hours

    Mastercard

    O Fallon, MO
    24 days ago

Do you want to receive more vacancies?

Subscribe and receive similar vacancies to Senior Software Engineer II. Be the first to apply!