Senior Software Engineer

Join a fast-growing fintech environment focused on transforming how digital payments are built and delivered. As a Senior Software Engineer, you will develop and optimize cloud-native payment processing and ledger infrastructure that supports banks and innovative financial technology companies worldwide. You will combine deep Java expertise with advanced performance engineering to build reliable, secure, and high-throughput transaction systems. In this role, you will contribute throughout the software development lifecycle, from technical design and implementation to product launches and operational stability. You will also provide technical leadership, mentor engineers, and collaborate with cross-functional teams to align engineering decisions with business and regulatory needs. This opportunity is suited to an experienced engineer who enjoys solving complex technical challenges and shaping scalable fintech solutions.

The ideal candidate brings extensive Java enterprise development experience, strong technical problem-solving skills, and a track record of guiding engineers in a fintech environment. Required qualifications include:

• A bachelor's degree in Computer Science, Software Engineering, or a closely related technical field, or a foreign equivalent.

• At least 7 years of professional experience as a Java developer.

• At least 6 years of experience in Java enterprise software development.

• At least 5 years of experience with Java and JVM memory and performance tuning, including strong knowledge of lambdas, generics, and data structures such as maps, lists, and sets.

• At least 5 years of experience with the Spring Framework or an equivalent framework.

• At least 5 years of experience applying common software design patterns and advanced algorithm design for high-throughput systems.

• At least 4 years of experience with concurrent programming techniques, such as the Actor Model, Java CompletableFuture, and thread-pool executors, particularly for real-time transaction systems.

• At least 4 years of experience with Hibernate or equivalent JPA frameworks, including query performance optimization.

• At least 4 years of experience with relational databases such as MySQL, Oracle, DB2, or Microsoft SQL Server, as well as NoSQL databases such as Cassandra or MongoDB.

• At least 2 years of experience ensuring software development compliance.

• At least 3 years of experience leading cross-functional teams or mentoring engineers in a fintech environment.

• Strong communication and documentation skills, with the ability to explain technical decisions to both technical and non-technical stakeholders.