Signzy—Java Developer

Job description

Description: About the Role We are looking for a Java Developer (junior to mid-senior level) to design, build, and maintain backend services and APIs that power our B2B SaaS and financial platforms. You will work on secure, scalable, high-availability systems used by banks, NBFCs, and fintech partners, collaborating closely with product, frontend, QA, and DevOps teams. Key Responsibilities ● Design, develop, and maintain backend services and RESTful APIs using Java (8+/17+) and Spring/Spring Boot. ● Implement features and workflows for payments, lending, core banking integrations, and other BFSI/fintech use cases. ● Build and optimize database models and queries using relational databases (PostgreSQL/MySQL) and ORM frameworks such as JPA/Hibernate. ● Contribute to multi-tenant, cloud-native SaaS architecture, ensuring security, performance, and reliability of shared services. ● Write unit and integration tests (JUnit, Mockito/TestNG) and participate in code reviews to uphold coding standards and best practices.hiring. ● Profile and tune application performance, including memory management, garbage collection behavior, connection pooling, and caching (e.g., Redis). ● Integrate with message queues, third-party fintech APIs, and internal microservices for event-driven and asynchronous workflows. ● Collaborate across functions to refine requirements, provide technical estimates, and support release planning and production deployments. ● Troubleshoot and resolve production issues, ensuring robust logging, monitoring, error handling, and incident follow-up.hiring. ● Create and maintain technical documentation for services, APIs, and system integrations. Required Qualifications (Junior–Mid Level) ● Experience: Approximately 1–3 years of hands-on experience as a Java Developer / Backend Developer on the JVM in production environments. ● Strong command of core Java (collections, generics, streams, concurrency) and object-oriented design principles. ● Practical experience with Spring/Spring Boot, including building RESTful APIs and backend services. ● Experience working with relational databases (PostgreSQL/MySQL) and ORM tools such as Hibernate/JPA. ● Familiarity with build and dependency management tools (Maven/Gradle) and Git-based workflows. ● Basic understanding of software development life cycle, Agile methodologies, and test-driven development principles. ● Good problem-solving skills, attention to detail, and ability to debug and troubleshoot backend issues. ● Effective communication and teamwork skills, with ability to collaborate across engineering, product, and business teams. Domain & Sector Experience (Preferred) ● Experience working on products or projects in Banking, BFSI, or Fintech (payments, lending, digital onboarding, core banking integrations, etc.). ● Exposure to B2B or enterprise SaaS platforms, including multi-tenant architectures, cloud deployments, and subscription-based products. ● Understanding of security, compliance, and data privacy considerations in financial services (e.g., secure coding, authentication/authorization, encryption).