Rajat Singh
Senior Developer at Publicis Sapient | Java | AWS | Spring boot | Microservices | Kafka | Redis | Docker | Kubernetes
- Role
- Senior Java Developer at Tata Consultancy Services
- Location
- Indore, MP, IN
- LinkedIn followers
- 500 followers
About Rajat Singh
As a Senior Jave Developer/Technical Lead at TCS, I bring over 6 years of experience in modernizing legacy systems and architecting scalable, cloud-native microservices solutions. By leveraging Java, Spring Boot, and AWS technologies, our team has successfully enabled zero-downtime migrations while ensuring backward compatibility and improving system reliability. My focus on building efficient pipelines with Kafka, SQS, and ActiveMQ has enhanced real-time data processing capabilities. With expertise in DevOps practices, I have directed Kubernetes and Docker-based deployments, automated CI/CD pipelines, and implemented infrastructure provisioning with Terraform. Collaborating with cross-functional teams, I mentor engineers on clean coding practices, SOLID principles, and Agile methodologies. Passionate about integrating AI tools like ChatGPT to accelerate delivery, I remain committed to aligning technology strategies with business goals.
Experience
Senior Java Developer
Jul 2019 — Present · Indore, IN
Technical Lead / Senior Java Developer(July 2019 – Present)Designed, developed, and deployed scalable backend solutions using Java, Spring Boot, and Microservices architecture, ensuring high availability, performance, and security.Implemented high-throughput messaging systems (Kafka, AWS SQS, ActiveMQ) and automated scheduling using Apache Airflow, enabling reliable inter-service communication.Managed end-to-end deployments using Docker and Kubernetes, achieving consistent release cycles with near-zero rollback incidents.Key Highlights: Reduced batch processing time from 4 hours to ~12 minutes through multitasking and multithreading integration. Achieved 30% faster data retrieval and 25% better response time via caching and performance tuning. Maintained 100% uptime during architecture transitions with zero customer impact.
Education
Prestige Institute of Engineering Management & Research (PIEMR)
Bachelor's degree, Computer Science
2015 — 2019
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