Lead Software Engineer - Java development

Mastercard; Helena (MT); On-site; USD 140,000 - 180,000; Full time

Job summary

Mastercard is seeking a Lead Software Engineer to join the Fraud Insights team, focusing on Java development. You will design, develop, and deliver scalable fraud detection and analytics software, leveraging cloud-based microservices, data visualization, and SaaS integrations like Power BI.

You will mentor teams, drive testing and automation, and work with stakeholders across merchants, issuers, and digital players to reduce fraud risk and improve platform reliability.

Qualifications

• Minimum Bachelor’s degree in Information Technology, Computer Science or extensive work experience.
• 10+ years of hands-on software development experience with 6+ years in software and microservices architecture.
• Strong understanding of security practices and PoCs.
• Experience with Java, Spring Boot, and relational/noSQL databases.
• Experience with front-end frameworks (Angular preferred) and CI/CD tools.

Responsibilities

• Design highly scalable, fault-tolerant cloud systems.
• Ensure deliveries align with architectural design and best practices.
• Provide technical guidance to project teams.
• Drive adoption of Quality Engineering services (CI, testing, environment automation).
• Lead cross-team collaboration to deliver high-quality software.

Skills

Java 8+

Spring Boot

Microservices

Cloud platforms

Test automation

Jenkins

JMeter

Dynatrace

Splunk

SQL/NoSQL

REST APIs

Angular

BDD/TDD

Education

Bachelor's degree in IT/CS

Tools

Jenkins

SonarQube

Clover

Dynatrace

Splunk

Power BI

Job description

Our Purpose

Mastercard powers economies and empowers people in 200+ countries and territories worldwide. Together with our customers, we’re helping build asustainableeconomy where everyone can prosper. We support a wide range of digital payments choices, making transactionssecure, 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

Lead Software Engineer - Java developmentJob Description SummarySeeking a Lead Software Engineer to join Fraud Insights team, which serves various client-tele such as Merchants, Financial Institutions (Issuer, Acquirer), Digital players to recognize & identify fraud patterns in the respective ecosystems and provide ability to react with confidence. Our solution provides data analytics, visualization & data marketplace capabilities while leveraging cloud based user interface, micro-services, visualization capabilities, SaaS integrations like Power BI, Azure AD & SnowFlake.

• Are you motivated by speeding business solutions to market?
• Do you want to innovate, using cutting edge technologies on challenging business problems?
• Do you want to be part of an innovator that is changing the e commerce landscape and reinventing the way global merchants and issuers combat fraud through collaboration?

We welcome the challengers and thought leaders. We want the agile, creative risk-takers who can address challenges with an open mind, the freedom to innovate and the strength to dominate. Services growth is explosive, and only great problem-solvers, collaborators and thinkers can help us take it to the next level. If that sounds like you, keep reading.

Role

Provide support of applications software through programming, analysis, design, development and delivery of software solutions. Research alternative technical solutions for changing business needs.

Major Accountabilities

• Participate in designing highly scalable, fault tolerant, and performant systems in cloud
• Ensure project implementation(s) and technical delivery are compliant with solution architectural design and best practices
• Provide technical guidance to the project team(s)
• Consult and support project team(s) regarding project implementation
• Explain technical issues and solution strategies to stakeholders
• Ensure that technical designs and deliveries milestones are accomplished on time
• Ensure that technical designs and deliveries are aligned with business needs, infrastructure capabilities and security & compliance requirements
• Evaluate current and emerging technologies via Proof of Concepts or similar
• Assist with project scoping, sizing, prioritizing, planning, and estimation
• Identify and mitigate existing business risk(s) associated with solution architecture and technical designs
• Thrive in a highly collaborative company environment where agility is paramount
• Stay up to date with new technologies on the front-end and server-side through self-study, blogs, meetups, conferences, etc.
• Mentor development team on industry best practices
• Needs deep understanding of software development , architecture, and performance engineering to help drive quality early in the life cycle of a product development. In addition, experience in payment processing/domain is highly desirable.
• Will be responsible for driving adoption of Quality Engineering services (Code quality, Testing Services, Performance Engineering, Testing and Environment automation, Development Collaboration, Continuous Integration) .
• Requires an extensive understanding of BDD/TDD practices, code review and analysis techniques, and open source agile testing frameworks. This position leads the delivery quality across couple agile feature teams, and product releases.
• Interacts with technology staff including Quality Engineers, Operations, Developers, Devops Engineers, Product management, and Program management to identify scope of project/s and deliver services.
• Drive quality engineering, exploratory testing, and test automation covering all key practice areas including mobile, web, and API testing.
• Drive adoption of development services (Quality Engineering, Performance Engineering, Continuous Integration, Continuous Delivery, and Collaboration) amongst various delivery teams.
• Ensure that staff has skills and behaviors to perform tasks fully through effective communication of goals, objectives, performance and as necessary improvement plans.
• Understand end-customer needs and associated value chain to drive processes and practices to ensure flawless customer experience.
• Foster strategic thinking and continuous learning to help MasterCard continue to lead as a technology company providing differentiating high-quality products and services to enable global commerce.

All About You

• Minimum Bachelor's degree in Information Technology, Computer Science or extensive work experience.
• 10+ Years of Hands-on Software development experience. 6 + years in Software and microservices architecture. Familiar with DevOps and IT Operations best practices.
• Current understanding of best practices regarding application & system security
• Success with executing Proof of Concept plans
• Have strong data analytics knowledge, experience with ETL, Data Modelling & Pattern analysis using ML
• Success with producing high quality project design deliverables and documentation
• Deep domain knowledge of Java 8 (or later). Spring Boot knowledge is required.
• Extensive experience with databases: Relational & NoSQL
• Extensive experience with User interface development framework (Angular preferred)
• Ability to create good acceptance and integration test automation scripts and integrate with Continuous integration (Jenkins) and code coverage tools (Sonar, Clover) to ensure 9% or higher code coverage.
• Experience with performance engineering and profiling (e.g. Java JVM, Databases) and tools such as Load Runner, JMeter. Exposure to Application performance monitoring tools such as Dynatrace and Splunk desirable.
• Exposure to Cloud, Infrastructure-as-a-code concept, and tools such as Chef/Puppet desirable.
• Expertise with cross browser and cross device testing strategies (e.g. In the Wild testing) and automation via device clouds (Perfecto, Device Anywhere, Testdroid, etc)
• Sound knowledge of Java, Spring, JUnit, Eclipse IDE, Rest Assured, Appium, Jbehave/Cucumber frameworks, Databases, APIs (REST/SOAP), Continuous Delivery concepts and tools such as Jenkins/Bamboo, vulnerability tools such as Sonar, Checkmarx/Fortify, etc.
• Thorough and extensive knowledge and understanding of Software Engineering Concepts and Methodologies is required.
• Understanding of loosely coupled and stateless systems
• Demonstrated track record with highly scalable, distributed systems
• Familiarity with performance tuning, designing for failure & automation
• Positive outlook in meeting challenges and working to a high level
• Excellent written and spoken communication

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.