Ashwani

Lead Java Developer

Infosys • Fulltime

May 2024 - Dec 2025 • 1 yr 7 mos

Lead engineer for enterprise-grade Java/Spring Boot applications. Designed and implemented scalable backend systems, REST APIs, microservices, and secure authentication flows. Key Responsibilities: Architected and developed Spring Boot microservices for high-traffic business applications Integrated secure authentication (JWT, OAuth2, SSO) Built payment and workflow automation modules Implemented CI/CD pipelines and optimized deployments Mentored developers and reviewed code for quality and performance Worked directly with stakeholders to convert requirements into working backend systems

Sr. Java Software Engineer

Zkteco • Fulltime

May 2022 - Oct 2023 • 1 yr 5 mos

Role Summary: Developed and optimized complex Java backend systems powering biometric and security platforms. Key Responsibilities: Built Spring Boot modules for device management, authentication, and data processing Created REST APIs for biometric and attendance systems Improved application performance and reduced response times through profiling & optimization Integrated third-party systems and automated workflows Maintained scalable relational database schemas (PostgreSQL/MySQL) Delivered secure, production-ready backend code for global deployments Relevant for Fiverr gigs: API development, integration tasks, backend optimizations, performance tuning.

Sr. Software Engineer

Concentrix • Fulltime

Jul 2020 - Mar 2022 • 1 yr 8 mos

Role Summary: Worked on large-scale enterprise applications, designing backend components and automation workflows. Key Responsibilities: Developed Spring Boot services for customer management and workflow automation Implemented REST APIs consumed by internal and external systems Migrated legacy modules to modern Spring Boot architecture Built dashboards and backend logic for reporting systems Ensured security best practices across all modules Relevant for Fiverr gigs: Spring Boot migration, backend enhancements, enterprise app development.