Software Engineer II

<p>As a talented<strong> Software Engineer II</strong>, you will deliver resilient and sustainable software projects from design to implementation and rollout. You will execute on defined projects to achieve team-level goals and own minor features in support of larger features. You will independently define the right solutions or use existing approaches to solve defined problems, consistently deliver high quality code, and contribute to test development.</p> <p>At Marqeta, participation in a rotational on-call pager duty is a required part of the software engineering role. The specifics of the rotation may vary by team, depending on team size and structure, and will be discussed further during the interview process.</p> <p><strong>We're hiring for multiple roles at the Software Engineer II level, each on a different sub-team. </strong></p> <p><strong>The Impact You'll Have </strong></p> <ul> <li>Design, develop, implement, and deliver high-quality products that simplify financial services for our customers.</li> <li>Build testable, scalable, and trustworthy systems while eliminating manual tasks.</li> <li>Translate ideas into well-documented, well-tested, and maintainable code.</li> <li>Read, navigate, and contribute to a large-scale codebase, resolving bugs and enhancing functionality.</li> <li>Break down complex business problems into modular software solutions.</li> <li>Participate in agile ceremonies, code reviews, and on-call rotations.</li> <li>Collaborate cross-functionally with teams and stakeholders in a Flex-first environment.</li> <li>Identify areas for improvement in projects and processes, advocating for best practices.</li> <li>Mentor engineers, foster a collaborative team environment, and contribute to a strong engineering culture.</li> <li>Design and implement high-performance solutions for large-scale financial data and compliance challenges.</li> <li>Debug critical production issues across various services and technology layers.</li> <li>Automate processes to improve efficiency and focus on strategic challenges.</li> </ul> <p><strong>Who You Are</strong></p> <ul> <li>3+ years of experience in software development, specializing in backend engineering.</li> <li>Strong programming skills in Java (Spring Boot preferred) and familiarity with Python, Go, or Ruby.</li> <li>Experience with relational databases such as MySQL, Postgres, SQL Server, or Oracle.</li> <li>Strong foundation in service-oriented architectures and cloud computing (AWS preferred).</li> <li>Ability to develop clean, readable, and error-free code with thorough documentation and testing.</li> <li>Experience with infrastructure as code (IaC), CI/CD pipelines, and observability tools (e.g., DataDog).</li> <li>Strong analytical skills, with the ability to diagnose production issues and optimize system performance.</li> <li>Excellent communication skills, both verbal and written, with the ability to present complex ideas clearly.</li> <li>A collaborative and team-oriented mindset, with a willingness to mentor and learn from peers.</li> <li>Passion for continuous learning, particularly in payments, security, and FinTech domains.</li> </ul> <p><strong>Nice-To-Haves</strong></p> <ul> <li>Experience in the payments or FinTech space, including:</li> <ul> <li>Card Network certifications (Visa, Mastercard, AMEX, etc.).</li> <li>ISO8583 binary data handling and normalization.</li> <li>Understanding of card transaction types (Purchase, Refund, AFT) and their impacts.</li> </ul> <li>Hands-on experience with Kubernetes, Docker, and cloud-native architectures.</li> <li>Experience with big data analytics tools (e.g., Snowflake) and stream processing architectures.</li> <li>Contributions to technical blogs, open-source projects, or a public GitHub repository.</li> <li>Experience in migrating to microservices-based architectures.</li> </ul> <p>These roles offer the opportunity to drive meaningful impact in the financial industry while working in a highly collaborati ... (truncated, view full listing at source)