How do you want to pay? It's a question you've answered on-screen or in-person thousands of times, but your choices have always been limited. Imagine the flexibility to pay however you want – credit, debit, multiple currencies, frequent flyer miles, loyalty points, or digital payments - all on the same card or digital wallet. Sound impossible? Episode Six makes the seemingly impossible happen every day. We're a global provider of API-based payment processing and wallet management infrastructure. We're 100% cloud-native, hyper-configurable, and a "Top 10 Place to Work in Fintech." And we're changing how people think about payments. Today, we're powering payments for one of the world's largest banks and airlines and numerous innovative fintechs. E6 is headquartered in Austin with offices in Tokyo, Singapore, Brisbane, and London. We provide technology for clients in 24 countries on four continents. Since 2018 when we launched with HSBC, we have grown more than 10x. Interested in redefining what's possible in payments? Join Episode Six today. What we're hiring for: We are a growing fintech organization looking to add a Senior Software Engineer to join our engineering team! What you'll be responsible for in this role: Code, test, analyze and review code for accuracy, functionality, performance, and security Participate in established Software Development Life Cycle which is broken up into sprints and help support product operations Provide Technical Leadership and mentoring other engineers with technical competence Communicate technical information, both written and verbal, effectively to other team members, teams and customers of varying technical experience Work collaboratively with other team members, teams and customers on projects with a positive and energetic influence Document solutions with developer documentation, flow charts, UML diagrams, comments and clear code What you'll be doing: Adopting New Mastercard and VISA Features like Donations and Carbon Calculator Implementing Spending Controls to prevent fraud and overspending Migrating active cards from old processors and competitors to our system with no downtime for card holders What experiences and skills are necessary to be successful in this role: 10+ years of experience working as a Java developer with 7+ years of experience in Java Enterprise software development Extensive experience working with stacks and platforms such as: Java and JVM memory and performance tuning. Mastery with Lambdas, Generics, and other data structures such as Map, List, Set Spring Framework or equivalent Commonly used Design Patterns and strong algorithm knowledge Concurrent programming knowledge, e.g. Actor Model, Java Completable Future, and different types of thread pool Executors Hibernate or equivalent JPA frameworks, tuning query performance. Restful Web Services My SQL, Oracle, DB2, MS SQL or No SQL datastores such as Cassandra What makes a successful E6er? We appreciate the unique backgrounds, skill sets, experiences, and contributions each E6er brings. With a strong culture of respect for all, we foster an inclusive and supportive environment for every E6er to excel and grow. We take immense pride in everything we do, no matter how big or small. We work hard, we work smart, and we sweat the details. We are humble enough to know that we do not know it all. We are excited to come to work every day, knowing we will be learning, improving, innovating, and making an impact. A people first mentality. Professional development from day 1, a 360 focus on your wellbeing, and the ability to work where you need to, we're here to support you. Authorization to work in either the U. S. or Canada is a precondition of employment at E6. We unfortunately are not able to provide employment sponsorship at this time. E6 is proud to be an Equal Employment Opportunity employer. We do not discriminate based upon race, religion, color, national origin, sex, sexual orientation, gender identity, gender expression, age, status as a protected veteran, status as an individual with a disability, genetic information, political views or activity, or other applicable legally protected characteristics. E6 is committed to providing reasonable accommodations for qualified individuals with disabilities who may require additional assistance in engaging in our application and interview process. Please feel free to reach out to E6's Talent Acquisition Team at if you need any assistance completing our application or need accommodations during your interview process. Apply for this job * indicates a required field First Name * Last Name * Email * Phone Resume/CV * Linked In Profile Website Where are you permanently located? * Do you require sponsorship now or in the future? * #J-18808-Ljbffr