Mishu Singh

Hi, I'm Mishu Singh

Backend Java Developer

Experienced Java Developer with 4+ years building enterprise-grade applications using Spring Boot, Microservices, and modern backend technologies. Passionate about creating scalable, high-performance solutions.

Years Experience

10+

Technologies Mastered

Major Companies

About Me

I'm a passionate Backend Java Developer with over 3 years of experience in building enterprise-grade applications. I specialize in Spring Boot, Microservices architecture, and modern backend technologies.

Currently working at Tata Consultancy Services, I focus on modernizing legacy systems, designing scalable RESTful APIs, and implementing robust security protocols. I have a proven track record of delivering high-performance solutions in agile environments.

Pune, India

(956) 170-8013

mishusingh800@gmail.com

Available for opportunities

Education

Bachelor of Engineering

Electronics Engineering

YCCE, Nagpur • GPA: 8.25 • 2021

Core Strengths

• Enterprise Application Development
• Microservices Architecture
• RESTful API Design
• Database Optimization
• Security Implementation
• Performance Optimization

Professional Experience

System Engineer

Tata Consultancy Services•Pune, Maharashtra

Oct 2023 – Present

• Modernized enterprise systems by upgrading legacy platforms and re-architecting monoliths into Spring Boot microservices
• Designed and built secure, scalable RESTful APIs using Java 8+, Spring Data JPA, Spring Security, and JWT/OAuth2 with Okta-based authentication
• Adopted event-driven architecture using Apache Kafka for asynchronous, decoupled communication
• Leveraged Spring Cloud for service discovery, configuration, and inter-service communication
• Streamlined containerized deployments using Docker and implemented CI/CD pipelines via GitHub Actions
• Implemented unit and integration tests with JUnit and Mockito to ensure code quality and reliability
• Enabled full observability with Prometheus, Grafana, and Zipkin for monitoring, alerting, and root cause analysis

Java 8+Spring BootSpring CloudApache KafkaDockerOAuth2JWTOkta

Software Engineer

Capgemini India•Pune, Maharashtra

July 2021 – July 2023

• Developed and maintained RESTful APIs using Java 8+, Spring Boot, Spring Core, and Spring Security
• Built scalable and secure backend services using Spring Data JPA, Hibernate, and MySQL
• Implemented robust security protocols and authentication mechanisms, including OAuth2 and JWT
• Delivered high-quality, reliable features through JUnit and Mockito based test-driven-development (TDD)
• Actively participated in Agile methodologies including daily stand-ups, sprint planning, and retrospectives

Java 8+Spring BootSpring SecurityHibernateMySQLOAuth2JWTJUnit

Featured Projects

Bidding Procurement System

Built a distributed bidding platform for procurement requests using Java, Spring Boot, Kafka, and OAuth2, focusing on real-time vendor interaction and scalable microservices architecture.

• Designed decoupled microservices with Spring Cloud and OpenFeign for clean inter-service communication

• Implemented Auth0-based OAuth2.0 authentication and authorization for secure, role-based access

• Containerized services with Docker and enabled centralized logging with Logback

• Added observability via Spring Boot Actuator and Prometheus for monitoring

JavaSpring BootApache KafkaOAuth2Spring CloudDockerAuth0Prometheus

Enterprise Microservices Platform

Modernized legacy monolithic applications into a scalable microservices architecture using Spring Boot and Spring Cloud ecosystem.

• Re-architected monolithic applications into 8+ independent microservices

• Implemented API Gateway pattern for centralized routing and security

• Added distributed tracing and monitoring with Zipkin and Prometheus

• Achieved 40% improvement in system performance and scalability

Spring BootSpring CloudAPI GatewayZipkinPrometheusDockerKubernetes

Secure Authentication Service

Developed a comprehensive authentication and authorization service supporting multiple OAuth2 providers and JWT token management.

• Integrated multiple OAuth2 providers (Google, GitHub, Okta)

• Implemented JWT token generation, validation, and refresh mechanisms

• Added role-based access control (RBAC) with fine-grained permissions

• Built admin dashboard for user and role management

Spring SecurityOAuth2JWTOktaSpring Data JPAPostgreSQLRedis

Technical Skills

Programming Languages

Java 8Java 17SQLJavaScriptTypeScript

Frameworks & Libraries

Spring BootSpring CoreSpring Data JPASpring SecurityHibernateJUnitMockito

Databases

MySQLPostgreSQLOracleH2Redis

Cloud & DevOps

DockerKubernetesJenkinsGitHub ActionsMavenGradle

Security & Authentication

OAuth2JWTOktaKeycloakSpring Security

Tools & Technologies

GitGitHubIntelliJ IDEAPostmanSwaggerApache KafkaJira

Architectural & Methodological Expertise

Microservices ArchitectureRESTful API DesignEvent-Driven ArchitectureTest-Driven Development (TDD)CI/CD PipelinesPerformance OptimizationSystem Monitoring & ObservabilityAgile Methodologies

Get In Touch

Ready to collaborate on your next project? Let's connect and build something amazing together.

Email Me

Drop me a line for project discussions or opportunities