Senior Software Engineer
Dynamic Yield
Senior Software Engineer
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.
Who is Mastercard? We work 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. We cultivate a culture of inclusion for all employees that respects their individual strengths, views, and experiences. We believe that our differences enable us to be a better team – one that makes better decisions, drives innovation, and delivers better business results.
Technology at Mastercard What we create today will define tomorrow. Revolutionary technologies that reshape the digital economy to be more connected and inclusive than ever before. Safer, faster, more sustainable. And we need the best people to do it. Technologists who are energized by the challenges of a truly global network. With the talent and vision to create the critical systems and products that power global commerce and connect people everywhere to the vital goods and services they need every day. Working at Mastercard means being part of a unique culture. Inclusive and diverse, a rich collaboration of ideas and perspectives. A place that celebrates your strengths, values your experiences, and offers you the flexibility to shape a career across disciplines and continents. And the opportunity to work alongside experts and leaders at every level of the business, improving what exists, and inventing what's next.
The Payment Enablement program provides a suite of value-added switching services to each qualified transaction processed by Mastercard, increasing the security, accessibility, and simplicity of data for participating customers.
About the Role Software Engineers at Mastercard design and code artificial intelligence, cloud, and machine learning platforms that provide mission-critical insights to many of the world's leading organizations and governments. As a Software Engineer, you will deliver these products and solutions with speed and agility as part of a small team. This will involve developing high-performing, highly scalable software solutions and products for some of the world's top brands. Specific tasks vary depending on the project and the business unit that you join in. All staff at Mastercard are expected to demonstrate 'Mastercard Way' cultural values every day - own it, simplify it, sense of urgency, thoughtful risk-taking, unlock potential, and be inclusive – with a relentless focus on our customers.
As a Senior Software Engineer at Mastercard, you are expected to perform the following general responsibilities:
- Actively participate in team prioritization discussions with Product/Business stakeholders
- Estimate and own delivery tasks (design, dev, test, deployment, configuration, documentation) to meet the business requirements
- Drive code/design/process trade-off discussions within their team when required
- Perform demos/acceptance discussions in interacting with Product owners
- Develop complete understanding of end-to-end technical architecture and dependency systems
- Drive adoption of technology standards and opinionated frameworks, and review coding, test, and automation work of team members
- Mentor and guide new and less-experienced team members
- Identify opportunities to improve an overall process and trim waste; Share and seek knowledge within Guild/Program to drive reuse of patterns/libraries/practices and enhance productivity
All About You
- Skillful at writing secure code in multiple languages; Familiar with secure coding standards (e.g., OWASP, CWE, SEI CERT) and vulnerability management
- Understands the basic engineering principles used in building and running mission critical software capabilities (security, scalability, resiliency, performance, operability, customer experience, testing, and simplification)
- Strong understanding of software design, software architecture, data structures, and algorithms, with the ability to develop scalable and maintainable solutions.
- Proficient in authoring test code with lots of smaller tests followed by few contract tests at service level and fewer journey tests at the integration level (Test Pyramid concept)
- Apply tools (e.g., Sonar, Zally, Checkmarx) and techniques to scan and measure code quality and anti-patterns as part of development activity
- Experience conducting code reviews and troubleshooting complex application and production issues in distributed systems.
- Proficient in collaborating with team and business stakeholders to estimate requirements (e.g., story pointing) and prioritize based on business value
- Able to perform domain-driven design to architect and map software solutions to business contexts
- Proficient in orchestrating release workflows and pipelines, and apply standardized pipelines via APIs to achieve CI and CD using industry standard tools (e.g., Jenkins, AWS/Azure pipelines, XL Release, others); Able to configure rules and build automation for code with vulnerability scanning and software composition analysis using standard tools (e.g., Sonar, Checkmarx, JFrog XRay, Veracode, others)
- Manage builds and artifacts leveraging standard tools (e.g., Artifactory) to ensure error-free deployment of production code using canary and or blue-green techniques
- Experience with performance tuning, monitoring, observability, and maintaining highly available production systems.
- Proficient in authoring test cases leveraging behavior-driven development and customer journey concepts
- Experience developing applications which use cryptography preferred
- Bachelor's degree in software engineering, computer science, information technology or related discipline preferred, or equivalent work experience; Payment industry knowledge preferred but not required
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 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.
- ...JavaScript, Go). Orchestrates the deployment/maintenance of complex applications. Responsible for performance engineering of the enterprise software architecture. Significant code development, commitment of code/review of pull-requests, and modest day-to-day...Senior
- ...Quality Engineering Team Lead Mastercard is a global technology company in the payments industry. Our mission is to connect and power... ...other organizations, this position needs deep understanding of software development, architecture, and performance engineering to help...SeniorWork experience placement
- ...Job Title Bachelor’s degree in information systems, information technology, computer science, engineering, or equivalent work experience. More than 7 years of industry experience. Excellent communication skills, with the ability to interact across multiple organizational...SeniorWork experience placement
- ...Senior Software Engineer Visa: No OPT EAD, US Citizen or Green Card preferred Location: Hybrid in O'Fallon, Missouri (St. Louis) Duration: at least 1 year, likelihood of extension Interview: 2 client interviews, second one on-site if...SeniorLong term contractWork experience placementLocal areaRelocationFlexible hours
- ...Senior Software Engineer Location: O'Fallon, Missouri - onsite (LOCAL ONLY) Rate - $65/hr. on C2C Java/JEE 6-10 years Essential responsibilities of the position: Execute and own the baseline architecture implementations and design activities collaborating...SeniorWork experience placementInternshipLocal area
$115k - $184k
...products and services that help people, businesses and governments realize their greatest potential. Title and Summary Senior Software Engineer Overview Customer Connectivity is a global Mastercard team that designs, builds and supports service platforms that...SeniorFull timePart timeWork experience placementWorldwideFlexible hours$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 power...SeniorFull timePart timeWorldwideFlexible hours$115k - $184k
...products and services that help people, businesses and governments realize their greatest potential. Title and Summary Senior Software Engineer Job Overview: Responsible for the analysis, design, development, testing, and delivery of secure, scalable software...SeniorFull timePart timeWork experience placementWorldwideFlexible hours$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...SeniorFull timePart timeWorldwideFlexible hours$115k - $184k
...products and services that help people, businesses and governments realize their greatest potential. Title and Summary Senior Software Engineer Overview: Mastercard Send (part of the Mastercard Move portfolio) enables near real-time money movement across billions...SeniorFull timePart timeWorldwideFlexible hoursShift work- ...Senior Software Development Engineer Location: O'Fallon, Missouri (1000 Technology) Duration: 24 Months Conversion to an employee prior to that if candidate is strong. SDRAM team (Smart Data Real time Account Management) on the CERA (Commercial Expense Reporting...SeniorFor contractorsWork experience placementBank staffFlexible hours
$115k - $184k
...products and services that help people, businesses and governments realize their greatest potential. Title and Summary Senior Software Development Engineer Overview The Senior Software Development Engineer is a senior individual contributor responsible for designing...SeniorFull timePart timeWorldwideFlexible hours- ...functionality ¿ Expertise in agile and waterfall delivery, life cycle management tools (JIRA/Rally/Rational Concert/Quality Center), software testing standards, methods and conventions. ¿ Exposure to Device/Browser compatibility ¿ Exposure on validating code review r and...Senior
- ...Sr. Software Engineer We are seeking a skilled Software Developer with a strong background in Java, Spring Boot, Microservices, and Kafka. The ideal candidate will have a minimum of 5 years of experience in software development, with a proven track record of delivering...Senior
- ...Sr. Software Engineer This is hybrid in O'Fallon, Missouri 3 days per week (Tuesday, Thursday, and Friday). Top 3 Required Skills:... ...meet increasing scale and impact. You will work directly with senior engineers, architects, and product managers to deliver features...SeniorWork experience placement3 days per week
- ...new CEO, *** is committed to a transformative journey with 'Scale @ Speed' as our guiding principle. Role Overview: As a Software Engineer in Corporate Solutions at you'll work with modern full-stack development practices with a focus on microservice and...Senior
- ...Senior Java Backend DeveloperO'Fallon, Missouri [Onsite]Job Description:6+ years of experience in backend development using Java.Strong expertise in Core Java, Spring Boot, and REST APIs.Hands-on experience with Kafka / event streaming platforms.Solid understanding of...Senior
- Mastercard is seeking a Senior Site Reliability Engineer to enhance reliability, scalability, and performance of our critical IT & Data Management platforms. You will design resilient architectures, automate deployments, and champion observability to ensure always-on services...Senior
- ...realize their greatest potential. Title and Summary Senior Site Reliability Engineer Overview-The ProCOM team is looking for a Site... ...• Support the application CI/CD pipeline for promoting software into higher environments through validation and operational...SeniorFull timePart timeImmediate startWorldwideFlexible hours
- As a Senior Site Reliability Engineer at Mastercard, you’ll drive the performance, reliability, and scalability of mission-critical, cloud-native payment... ...across distributed systems. Collaborating closely with software and platform teams, you’ll champion SRE best practices,...Senior
$96k - $163k
...governments realize their greatest potential. Title and Summary Senior Site Reliability Engineer, Performance Engineering Senior Site Reliability... ...from LoadRunner to Gatling or BlazeMeter. • Strong software performance analysis, bottleneck identification, scaling,...SeniorFull timePart timeWorldwideFlexible hours$96k - $163k
...governments realize their greatest potential. Title and Summary Senior Site Reliability Engineer Who is Mastercard? At Mastercard technology, we... ...our developers during the application build phase in software run principles that include operational design,...SeniorFull timePart timeWorldwideFlexible hours- Mastercard seeks a Senior Site Reliability Engineer in Financial Services within the IT & Data Management team. You’ll design, build, and optimize... ...scalable platforms that power global payments. Partner with software and data teams to improve reliability, observability, and...Senior
- ...multi-tiered web applicationsExperience integrating vendor and open source products into an overall systemExperience specifying hardware/software requirements, and estimating complex IT effortsSelf-motivated with the ability to accomplish tasks with minimal direction...Senior
- ...Senior Java Engineer Senior Java Engineer O’Fallon MO – Day 1 Onsite BS in CS 10+ yrs. experience Experience in object-oriented programming and concepts. Experienced in Java backend application development. Comfortable enough in handling algorithms,...Senior
- ...Software EngineerInterview: Coding Test + F2F This is hybrid from day-1 (Need only local candidates) Visa: USC, GC, GC EAD, H4, L2Responsible... ...in interacting with Product ownersUnderstands operational and engineering experience, actively works to improve experience and metrics...SeniorContract workLocal area
- ...Senior Java Full-Stack DeveloperOur client, a credit card company, is looking for a Senior... ...refining business requirements.Ensure software designs align with client's Enterprise... ...Safe Harbor, and others.Drive performance engineering of the enterprise software architecture...SeniorWork experience placement
$115k - $184k
...Senior Software Engineer - JavaMastercard's Enterprise Credit Risk (ECR) team is seeking a talented Senior Software Engineer – Java Full Stack to design, build, and modernize applications that power credit decisioning, portfolio risk management, lender workflows, customer...SeniorFull timePart timeFlexible hours3 days per week- Red River is seeking a highly skilled Data Engineer to design, build, and maintain scalable data pipelines at Scott Air Force Base, supporting the Defense Information Systems Agency (DISA). The role emphasizes ingestion, processing, and analytics for reporting while upholding...Senior
$96k - $163k
...algorithms, data structures, scripting, pipeline management, and software design principles. Systematic problem-solving... ...digital payment solutions. We are currently searching for a Senior Site Reliability Engineer to join our Foundry BizOps team. This role is pivotal in...SeniorFull time
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to Senior Software Engineer. Be the first to apply!
- software development engineer aws O Fallon, MO
- real time software engineer O Fallon, MO
- financial software developer O Fallon, MO
- part time software developer O Fallon, MO
- experienced software developer O Fallon, MO
- remote entry level software developer O Fallon, MO
- information technology software engineer O Fallon, MO
- software system engineer O Fallon, MO
- network software engineer O Fallon, MO
- senior software engineer O Fallon, MO




