Java Developer - Spring Boot/Hibernate

Job Description

Description About the Role : We are seeking an experienced Java Developer who can work independently and deliver high-quality, scalable solutions within defined timelines. The role involves developing enterprise-grade Java applications, building secure integrations, and collaborating with stakeholders through regular project updates. Key Responsibilities Application Development & Integration : Design, develop, and deploy Java application modules following best practices Build and maintain RESTful APIs and integrate third-party services Handle asynchronous communication with NPCI and other payment systems Implement HSM integrations, socket programming, multi-threading, and load balancing Work with CMS platforms (Visa, Mastercard, RuPay Card Management systems) Architecture & Design Translate solution architectures into application capabilities Apply Domain-Driven Design (DDD) principles to align with business requirements Create high-level design artifacts including: Application architecture diagrams Use cases and activity diagrams Data models, schema designs, and database designs Code Quality & DevOps Implement quality gates including secure coding, test coverage, and code standards Define and follow branching, merging, and code commit strategies Support deployment orchestration, release notes, and version control processes Collaboration & Reporting Participate in client meetings to gather and prioritize requirements Provide weekly project updates and status reports Mentor and guide team members to meet project deliverables Production Support Perform root cause analysis using application monitoring and log analysis Resolve critical production and post-production issues efficiently Technical Skills Required Core Technologies : Core Java, Java Design Patterns Spring Core, Spring Boot Microservices Architecture Hibernate / JPA RESTful Web Services ANSI SQL, Oracle Database Integration & Payments CMS (Visa, Mastercard, RuPay Card Management Systems) HSM Integration NDC & ISO Protocols Kafka (event-driven architecture) Frontend & Cloud (Good to Have) AngularJS / ReactJS JavaScript AWS Cloud Test Automation Frameworks Methodologies & Tools Agile / Scrum CI/CD pipelines Version control and release management Experience & Qualifications 4+ years of experience in Full-Stack Java Development Strong experience in project-based delivery models Proven ability to work independently in a freelance or contract setup Excellent problem-solving and communication skills What We Offer Flexible work hours and remote engagement Opportunity to work on high-impact, payment-domain projects Clear scope, defined deliverables, and professional collaboration (ref:hirist.tech)