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 Role Overview We are seeking a highly capable Senior Software Engineer with a strong foundation in software development to join our engineering organisation. This role goes beyond traditional testing and requires a candidate who actively contributes to software design, development, and quality engineering practices. The ideal candidate will demonstrate a development-first mindset, with hands-on experience in building scalable backend systems and the ability to design and implement robust automation solutions across the application stack. The individual will play a key role in embedding quality into the development lifecycle, driving engineering best practices, and ensuring systems meet functional, non-functional, performance, and security requirements. Key Responsibilities Contribute to software development and quality engineering, ensuring high standards of code quality and system reliability Design and implement scalable, maintainable test automation frameworks across API and UI layers Collaborate with engineering teams to ensure testability, performance, and security are incorporated into system design Participate in software design and architecture discussions, providing input from a quality and reliability perspective Develop and execute unit, functional, integration, and end-to-end tests Drive shift-left testing practices across the development lifecycle Enhance and maintain CI/CD pipelines, ensuring automated test execution and release validation Perform and contribute to code reviews, ensuring adherence to engineering standards and best practices Support performance engineering efforts, including analysis, tuning, and scalability validation Ensure adherence to secure coding practices and identify potential vulnerabilities Contribute to operability engineering, including observability, monitoring, and system reliability Troubleshoot and resolve complex issues across systems, ensuring minimal disruption and high system availability Continuously identify opportunities to improve engineering and quality processes Required Skills & Experience Software Development (Mandatory) Strong hands-on experience in Java development Experience building backend systems using Spring Boot Solid understanding of: Object-oriented programming Data structures and algorithms Software design principles Proven experience contributing to production-grade Java applications Ability to contribute across development and automation testing responsibilities Test Engineering & Automation Experience in: API Testing (Postman or equivalent) API Automation using RestAssured (Java) UI Automation using Selenium WebDriver or Playwright Strong understanding of: Unit, functional, and integration testing (JUnit/TestNG) RESTful services, JSON, XML Ability to design and implement: Integration, acceptance, and end-to-end automation tests Software Design & Architecture Ability to contribute to software design and architecture decisions Understanding of building systems that are: Scalable Maintainable Secure Performant Awareness of architectural patterns and best practices Performance, Security & Reliability Experience in performance engineering concepts, including system analysis and optimisation Knowledge of secure coding practices and vulnerability prevention Understanding of reliability engineering and operability principles Engineering Practices & Tooling Strong experience with: Version control systems (Git) CI/CD tools (Jenkins, Bamboo or equivalent) Code quality and coverage tools (Sonar or equivalent) Experience working in Agile development environments Strong collaboration skills with cross-functional teams Core Engineering Capabilities Strong troubleshooting and debugging skills across distributed systems Ability to work independently in moderately complex to complex scenarios Consistently applies engineering skills with growing autonomy and reliability Ability to contribute to team-level engineering improvements and mentoring Preferred / Good to Have Full-stack development exposure (Frontend + Backend) Experience with UI frameworks such as: Angular React Exposure to cloud-based applications and distributed systems Experience with in-memory data grids (e.g., Pivotal GemFire) Strong SQL knowledge (preferably Oracle DB) Exposure to monitoring and observability tools Key Expectations from the Role Must have a strong development background and not be limited to traditional testing roles Should be flexible to work across: Software development Automation testing UI validation Expected to drive a quality-first engineering culture Ability to influence system design, architecture, and delivery practices Acts as a key contributor in complex problem-solving scenarios and supports broader engineering goals 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.

Role Description EyeUniversal is looking for a Lead Developer to build and maintain functional web pages and applications. This is a remote position. Lead Developer responsibilities include: - Leading a team of junior developers - Refining business specifications - Architecting software - Executing on deadlines with project managers and stakeholders - Meeting with clients by need - Resolving all technical issues To be successful in this role, you should have extensive experience in building software from scratch and in-depth knowledge of at least one of the following programming languages: Javascript, Ruby or PHP. Ultimately, you will ensure our websites, web applications, and software projects are up and running to cover both internal and customer needs. Responsibilities include: - Identifying user and system requirements for new websites and applications - Prioritizing software development projects, setting timelines and assigning tasks to team members - Creating wireframes to decide on the layout - Writing or reviewing code for various applications - Running functionality testing and debugging code - Overseeing junior web developers and evaluating their performance - Liaising with designers to decide on UI/UX elements (like graphics and navigation buttons) - Ensuring our software documentation is up-to-date - Collaborating with mobile developers to build mobile-responsive websites Qualifications - Work experience as a Senior Developer & Manager - Expertise in at least one programming language, preferably Javascript, Ruby or PHP - Solid knowledge of HTML/CSS - Experience with mockup and UI prototyping tools - Understanding of security practices - Familiarity with network diagnostics tools - Team management skills - Delivers on Deadline - Weekly Internal Meetings w/Management & Development team - Working in English knowledge (writing and speaking) - Spanish/English bilingual is a plus - BSc/MSc in Computer Science or relevant field Requirements - This is a remote and full-time position. - Pay rate is based on experience.

Application Developer Location: Laurel United States Full time Job Description: The Opportunity: As a Application Developer, you can resolve a problem with a complete end-to-end solution in a fast, agile environment. If you're looking for the chance to not just develop software, but to create a system that will make a difference, we need you on our team. We're looking for a seasoned developer like you with the expertise needed to build software and systems from vision to production-ready. This role is more than just coding. As a Application Developer at Booz Allen, you'll oversee a team as they learn new tools and techniques and identify needed system improvements. You'll help clients overcome their most difficult challenges using the latest architectural approaches, tools, and technologies. You'll make sure the solution developed by the team considers the current architecture and operating environment, as well as future functionality and enhancements. Work with us as we shape systems for the better. Join us. The world can't wait. You Have: - 4+ years of experience with software design and development - Experience with development with three or more of the following languages: Python, Java, Go, Rust, or Structured Query Language (SQL), and NoSQL - Experience with computer science, including in data structures, algorithms, object-oriented programming, and software design - Knowledge of the Linux operating system - Ability to develop applications for Linux - TS/SCI clearance with a polygraph - Bachelor's degree Nice If You Have: - Experience with designing and optimizing resilient, secure, or survivable applications to meet resource constraints - Experience with leading efforts to establish mature secure software development practices that lead to lower defect escape rates and resiliency against attack - Experience with JMS, JSON, XML, SOA, RESTful applications, or web front-end technologies, including Bootstrap, Angular, HTML, HTML5, CSS, JavaScript, C, C++, C#, or Ajax - Knowledge of Cross Domain guard solutions, including Forcepoint High Speed Guards, OWL Data Diodes, and ISSE Guards - Ability to confer with system and hardware engineers to derive software requirements and subsequently develop them for production - Ability to write and review software product documentation - Master's degree Clearance: Applicants selected will be subject to a security investigation and may need to meet eligibility requirements for access to classified information; TS/SCI clearance with polygraph is required. Compensation At Booz Allen, we celebrate your contributions, provide you with opportunities and choices, and support your total well-being. Our offerings include health, life, disability, financial, and retirement benefits, as well as paid leave, professional development, tuition assistance, work-life programs, and dependent care. Our recognition awards program acknowledges employees for exceptional performance and superior demonstration of our values. Full-time and part-time employees working at least 20 hours a week on a regular basis are eligible to participate in Booz Allen's benefit programs. Individuals that do not meet the threshold are only eligible for select offerings, not inclusive of health benefits. We encourage you to learn more about our total benefits by visiting the Resource page on our Careers site and reviewing Our Employee Benefits page. Salary at Booz Allen is determined by various factors, including but not limited to location, the individual's particular combination of education, knowledge, skills, competencies, and experience, as well as contract-specific affordability and organizational requirements. The projected compensation range for this position is $69,400.00 to $158,000.00 (annualized USD). The estimate displayed represents the typical salary range for this position and is just one component of Booz Allen's total compensation package for employees. This posting will close within 90 days from the Posting Date. Identity Statement As part of the hiring process, we will ask you to complete an identity verification process that leverages advanced biometrics and artificial intelligence to ensure authenticity and protect against identity fraud. You are expected to be on camera during interviews and assessments. We reserve the right to take your picture to verify your identity and prevent fraud. Candidate AI Usage Policy AI is a part of our daily work at Booz Allen, and we are committed to the responsible and ethical use of AI tools. However, we want to ensure a fair candidate process based on your own skills and knowledge. As part of this commitment, the use of artificial intelligence (AI) or other tools to assist with responses during interviews (whether in-person or virtual) is prohibited unless permission is explicitly provided. Work Model Our people-first culture prioritizes the benefits of collaboration, whether it occurs in person or virtually. To support engagement and effective communication, employees working virtually are generally expected to have their cameras on during meetings. - Remote: If this position is listed as remote, there may still be occasions when you are required to work in person at a Booz Allen or customer facility. - Hybrid: If this position is listed as hybrid, you will be expected to work from a Booz Allen facility frequently, in alignment with leadership expectations and the needs of the role. You may also be required to work from or visit a customer facility. - Onsite: If this position is listed as onsite, work will primarily be performed at a Booz Allen office or customer facility, where employees will collaborate directly with colleagues and customers as required by the role. Commitment to Non-Discrimination All qualified applicants will receive consideration for employment without regard to disability, status as a protected veteran or any other status protected by applicable federal, state, local, or international law.

• Lead the design, development, and delivery of scalable full-stack applications and platform capabilities. • Design and build modern web applications using React (primary) and Angular (secondary) frameworks, ensuring high performance, responsiveness, and maintainability. • Develop and support backend services and APIs while collaborating closely with architecture, product, QA, and operations teams. • Participate in application design discussions, technical solutioning, and architectural reviews. • Mentor junior and mid-level engineers and provide technical leadership across development initiatives. • Collaborate with cross-functional teams to refine, prioritize, and deliver business requirements in an Agile environment. • Conduct code reviews and promote engineering best practices, coding standards, and secure development principles. • Troubleshoot and resolve complex production issues, performance bottlenecks, and application defects. • Contribute to continuous improvement of software architecture, CI/CD pipelines, cloud adoption, and development processes. • Create and maintain technical documentation, design artifacts, and operational runbooks. • Participate in an on-call production support rotation (approximately every 6 weeks) to ensure application stability and timely issue resolution. • Provide production release support during scheduled release windows, including participation in release activities on designated Sundays (typically every second Sunday).