Headline

14+ Years Experienced Full Stack Java Developer specializing in Java Spring Boot and AWS. Proficient in Android & React Native Development, with expertise in creating applications for consumer and enterprise products.

About

With over 14+ years of experience, I specialize in full stack development for large-scale consumer and enterprise applications. I have extensive expertise in Java backend development, microservices architecture using Spring Boot and Spring MVC, React, AWS. Additionally, I have a strong background in mobile application development for Android and React Native platforms. Throughout my career, I have successfully managed teams of over 20+ members in previous roles.

Location

Bengaluru

AI stack

claude code

claude

codex

github copilot

lovable

openai

Work experience

Technical Consultant at Entrepreneur, Apr 2024 - Present · 2 yrs 5 mos, Bengaluru, Karnataka, India, Entrepreneur / Technical Consultant – Java, SpringBoot based Microservices, IoT & Cloud Solutions | APR 2024 - Ongoing ❏ Designed & developed the temperature-sensing IoT-based microservices system (SmartSense B2B2C application) using Spring Boot, MQTT, PostgreSQL, AWS, Docker, Kubernetes, and Kafka for real-time IoT data processing. ❏ Implemented Keycloak OAuth2 security, role-based access, and account lockout mechanisms with an admin-controlled unlock feature. ❏ Developed an event-driven alert system using AWS SNS & SQS to notify admins of device failures. ❏ Integrated monitoring & logging via Prometheus, Grafana, and AWS CloudWatch for system health insights. ❏ Built a React-based dashboard for real-time sensor monitoring and admin controls. ❏ Optimized performance & scalability with Kafka-based event streaming, load balancing, and retry mechanisms. ❏ Deployed on AWS, leveraging API Gateway, Lambda, SQS, SNS, and CloudWatch for high availability and fault tolerance. ❏ Tech Stack: Java, Spring Boot, Kafka, MQTT, PostgreSQL, AWS, Docker, Kubernetes, Keycloak, Prometheus, Grafana, React, JUnit

Technical Lead at ADPCX, Jan 2026 - Feb 2026 · 2 mos, Bengaluru, Karnataka, India, ❏ Implemented and delivered the Virtual Office Web portal for the customer care call centre for UK customers. The tech stack used was Java, Spring Boot, React, React Native, and Postgres. ❏ Built a quality intelligence platform for call centre agent management. The tech stack used was Java, Spring Boot, React, React Native, and Postgres. ❏ In this leadership role managed a team of over 10 people. Driving engineering initiatives for the CX platform. ❏ Evaluated architecture and delivery roadmap. Conduct scrum calls. Thoroughly documented the design approach.

Principal Engineer at izmo ltd, Dec 2023 - Mar 2024 · 4 mos, Bengaluru, Karnataka, India, ❏ An auto retailing web solution for automotive retailers, it caters a large set of automotive retailers to showcase their dealers based on geography. The application is SEO-rich and extensively locates users with particular dealers in their location. ❏ As a hands-on individual contributor, responsible for bringing architectural changes, solving existing problems, improving performance of the application, and documenting new changes. ❏ Spearheaded the migration of legacy monolithic systems to microservices using SpringBoot, improving scalability and efficiency. ❏ Implemented Redis caching for the dealers module, reducing database load and response times significantly. ❏ Optimized data entities with large fields and enhanced processes or jobs for loading site URLs, ensuring robust performance by reducing job failures. ❏ Successfully resolved customer-specific data and configuration issues, enhancing client satisfaction. ❏ Produced comprehensive documentation outlining architectural changes required across application with zero impact on existing customers. ❏ Mentored junior engineers and collaborated closely with cross-functional teams including Architects, Engineering Managers, Directors, and CTOs.

Assistant Manager Technology- Payments at Synechron, Nov 2020 - Dec 2023 · 3 yrs 2 mos, Banglore, ❏ Worked on the Cards and Payments domain for German client Diebold Nixdorf, contributing to the solution of Java-based cloud-native systems for full control over card-based payments. ❏ Provided technical guidance in planning, executing, and validating complex payment flows, collaborating with offshore and onshore (German) teams, including technical architects and product managers. ❏ Worked on the Euronet Worldwide multi-tenant card systems at the Pune location along with the client. ❏ Developed applications in Microservices, and Spring Boot leveraging design patterns and suitable design principles. ❏ Applied RESTful design principles and ensured good understanding and working experience in SpringBoot, Spring Data, Hibernate, and REST. ❏ Gained exposure with message queues such as Kafka and RabbitMQ briefly. ❏ Worked with frontend technologies/frameworks like React, Vue ❏ Acquired know-how in containerization applications like Docker and Kubernetes. ❏ Got hands-on experience in writing Unit tests using JUnit. ❏ Applied knowledge of development lifecycle, standard approaches to follow, tools to use for specific use cases and changes to be made for application running environments. ❏ Showcased a good understanding and hands-on work experience in Core Java/J2EE, OOPS, multithreading, Collections, Concurrency, Exception Handling, JDBC, and File I/O. ❏ Worked with architects, and product owners and suggested better approaches at various instances. ❏ Provided mentoring across teams comprising over more than 15 team members.

Principal Engineer at CropIn Technology, Apr 2019 - Oct 2020 · 1 yr 7 mos, Bengaluru, Karnataka, India, ❏ Contributing to various codebases of RESTful web services built in Java, SpringBoot, Microservices & Android native apps by participating in project analysis, design, implementations, and commissioning phases. ❏ Built RESTful microservices for bulk data upload & handled integration with external applications like ZohoBooks. ❏ Taking initiatives to drive topics to resolution with a high level of quality, speed, performance, reliability, and efficiency. ❏ Providing technical guidance in planning, architecting & executing assigned projects, and mentoring junior engineers across teams. ❏ Evaluating existing engineering processes and recommending improvements, providing solutions by being involved in security audits. ❏ Demonstrated proficiency in SQL and databases, including Postgres and MS SQL Server. Also worked on the NoSQL Couchbase database. ❏ Worked with Jenkins, Maven, and SonarQube for continuous integration. ❏ Exhibited experience in tuning applications based on performance and load tests.

Lead Software Engineer - Mobile at CropIn Technology, Oct 2016 - Apr 2019 · 2 yrs 7 mos, Bengaluru Area, India, ❏ Handled Requirement Elicitation, Analysis, and documenting workflows based on business requirements. ❏ Led development of enterprise mobile application(s) built-in Android, React Native & SpringBoot by taking necessary architectural, design, and development decisions for the products on all verticals including mobile, service, and backend. ❏ Worked with CXOs to understand business needs. Proposed a solution and took the initiative to build a PWA to engage indirect users of the product, which was built using React JS & Redux. ❏ Handled team recruitment, engagement, and appraisals and mentored a team of 5 comprising both mobile and web resources to follow best practices.

Senior Engineer - Android at CropIn Technology, Sep 2015 - Sep 2016 · 1 yr 1 mo, Bengaluru, Karnataka, India, ❏ Handled building enterprise Android application(s) for new & evolving products in the agribusiness sector. ❏ Designed an application feature to audit areas of farmland and ship them to production. ❏ Demonstrated proficiency in GIT for code versioning.

Education

Bachelor of Engineering (B.E.), Computer Science, Adichunchanagiri Institute of Technology, Chikmagalur, Karnataka

Public links

github: https://github.com/vinaykashyapts