01/24/2026 updated
partially available
info: Available evenings and weekends
Backend Engineer - Java/Spring Boot Microservices Developer
Kochi, India
Only remote
B.Tech in Computer Science EngineeringJava (Programming Language)Application Programming Interfaces (APIs)Amazon Web ServicesAmazon Elastic Compute CloudAmazon S3Cloud ComputingDatabasesContinuous IntegrationDatabase DesignDevOpsDjangoEnterprise Resource PlanningPython (Programming Language)PostgreSQLLoad Testing
Java/Spring Boot Development
Expertise in building microservices and REST APIs using Java and Spring Boot framework for production ERP systems
Database Design and Optimization
Advanced skills in SQL schema design, indexing, query optimization, and working with PostgreSQL and Redis databases
Cloud and DevOps Technologies
Proficiency in AWS services (S3, EC2, Lambda, SQS), Docker containerization, and CI/CD pipeline implementation
API Design and Integration
Experience in designing REST APIs and handling external API integrations with focus on performance optimization
Asynchronous Processing
Implementation of messaging systems using AWS SQS and asynchronous processing patterns for scalable applications
Performance Optimization
Load testing, performance tuning, and system reliability improvements in high-throughput environments
Python Development
Backend development experience using Python and Django framework for web applications
Machine Learning Integration
Experience with RAG/LLM integrations and CNN + InceptionV3 ensemble for ML pipeline development
Expertise in building microservices and REST APIs using Java and Spring Boot framework for production ERP systems
Database Design and Optimization
Advanced skills in SQL schema design, indexing, query optimization, and working with PostgreSQL and Redis databases
Cloud and DevOps Technologies
Proficiency in AWS services (S3, EC2, Lambda, SQS), Docker containerization, and CI/CD pipeline implementation
API Design and Integration
Experience in designing REST APIs and handling external API integrations with focus on performance optimization
Asynchronous Processing
Implementation of messaging systems using AWS SQS and asynchronous processing patterns for scalable applications
Performance Optimization
Load testing, performance tuning, and system reliability improvements in high-throughput environments
Python Development
Backend development experience using Python and Django framework for web applications
Machine Learning Integration
Experience with RAG/LLM integrations and CNN + InceptionV3 ensemble for ML pipeline development
Experience
Professional experience0 - 5 years
Freelancer since2023
Languages
EnglishFluent
Project history
Designed and maintained Spring Boot microservices and REST APIs supporting high-volume transactional workflows across multiple business modules. Built and optimized backend data access using Hibernate/JPA and SQL databases, improving API response times by 40%. Engineered a distributed notification platform using AWS SQS, increasing throughput by 60% and reducing message failures by 45%.