11/13/2026 updated

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Technology Lead | Senior Java Developer | Software Architect

Jaipur, India
Worldwide
Post Graduate Diploma in Advanced Computing (CDAC)
Jaipur, India
Worldwide
Post Graduate Diploma in Advanced Computing (CDAC)

Profile attachments

Ranjeet_Singh_Java_18years.docx

About me

Senior Software Engineer & Solution Architect with 18+ years of experience in Java, Spring Boot, Microservices, AWS, Kafka, and Agentic AI. Specialized in scalable enterprise solutions, cloud architecture, API modernization, and end-to-end technical delivery.

Java (Programming Language)Spring SecurityApplication Programming Interfaces (APIs)Data ArchitectureDevOpsEnterprise JavaBeansJava EE Connector ArchitectureJava ArchitecturesJava Development ToolsJDeveloperMessaging Application Programming InterfaceSoftware ArchitectureSun Certified Enterprise Architect (SCEA)Solution ArchitectureSystems DesignSystems IntegrationTechnology ArchitectureEvent-driven ArchitectureSpring CloudApache CamelSpring MVCBackendSpring DataEvent Driven ArchitectureApache KafkaFront End Software DevelopmentMicroservices
Java & Spring Boot Development
Expertise in Java (SE/EE), Spring Boot, Spring MVC, Spring Security, Spring Data, Hibernate, and JPA for building enterprise-grade, high-performance backend solutions across multiple domains.

Microservices & Cloud Architecture
Deep knowledge in designing and implementing microservices-based architectures deployed on AWS (EC2, S3, RDS, Lambda, SQS), including RESTful APIs, Event-Driven Architecture, and CI/CD pipelines.

Apache Kafka & Messaging Systems
Hands-on experience building and optimizing Kafka-based event orchestration for inter-module workflows, ensuring reliable message processing, fault tolerance, and real-time data synchronization.

Apache Camel & ActiveMQ Integration
Proficiency in Apache Camel and ActiveMQ for enterprise integration patterns and message-driven communication between distributed systems.

Frontend Technologies
Working knowledge of React JS, AngularJS, Backbone.js, jQuery, HTML5, CSS3, and Ajax for building dynamic front-end components and seamless user interfaces.

Database Management
Experience with Microsoft SQL Server, MySQL, and JPA/ORM query optimization for efficient data management and retrieval in enterprise applications.

DevOps & CI/CD
Practical experience with Docker containerization, CI/CD pipeline setup, Maven, Git/GitHub, and JIRA to streamline development, QA, and production deployments.

Agile & Scrum Methodologies
Active participation in Agile Scrum ceremonies including sprint planning, backlog refinement, daily stand-ups, retrospectives, and release planning, ensuring timely delivery of high-quality features.

Architecture & Design Patterns
Strong foundation in Microservices, RESTful APIs, Event-Driven Architecture (EDA), MVC, SOA, and Domain-Driven Design for scalable and maintainable system design.

Agentic AI Solutions
Familiarity with Agentic AI solutions as part of the modern technology stack for intelligent automation and decision-making.

Experience

Professional experience10+ years
Freelancer since2021

Languages

EnglishFluent

Project history

Senior Software Developer

EPAM System
Built and optimized Kafka-based event orchestration for inter-module workflows. Containerized microservices using Docker, streamlining CI/CD deployment pipelines. Collaborated with architects and business stakeholders to translate insurance workflows into scalable technical solutions. Played a key role in system integration, API design, and performance optimization. Participated in Agile Scrum ceremonies and performed peer code reviews to improve application maintainability and production stability.

Technology Lead

Infosys Limited
Led end-to-end technical delivery of two mission-critical automotive platforms (Lead Management Hub and Product Vehicle Data) for Toyota GB. Architected and implemented microservices-based backend using Java, Spring Boot, Hibernate, REST APIs, Apache Camel, and ActiveMQ on AWS. Drove system design, architecture documentation, and cross-team technical alignment. Conducted structured code reviews, reducing production defects by an estimated 30%. Mentored junior and mid-level developers in Spring Boot microservices and AWS-based deployments.

Associate Technology Lead (L2)

Sapient Corporation India
Delivered back-end features for Ladbrokes Sports Betting Management platform, handling bet-slip management, multi-selection combination logic, and ecommerce integration. Implemented complex business rules in Java/Spring for real-time bet computation and odds management. Conducted thorough code reviews and contributed to requirement analysis with onshore stakeholders.

Software Engineer

Cybage Software Pvt. Ltd.
Designed and developed three hotel-tech modules (IBE Guest Interface, IBE Manager, and Channel Manager) enabling hoteliers to manage room availability, rates, bookings, and channel distribution via a white-label SaaS platform. Built RESTful integrations and dynamic front-end components using Java, Struts, Spring IoC, JSP/Servlets, jQuery, and Ajax. Implemented full CRUD lifecycle for hotel data in the Channel Manager module.

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