Rajat Tyagi
Pune,Maharashtra
Summary
Backend Software Engineer with 6.5+ years of experience building scalable, high-performance distributed systems using Java and Spring Boot.
Strong expertise in system design, event-driven architecture (Kafka), and search platforms (Solr), with hands-on experience in cloud-native development using AWS, Docker, and Kubernetes.
Currently leading engineering initiatives as a Tribe Lead, with proven ability to drive delivery, improve system performance, and collaborate across global teams. Experienced in leveraging AI technologies (Spring AI, Claude Code, GitHub Copilot) to build modern, intelligent backend systems.
Overview
7
7
years of professional experience
1
1
Certification
Work History
Specialist Programmer L3
Infosys Limited
Pune
01.2025 - Current
- Working on a large-scale Sales Platform, building backend services using Java and Spring Boot.
- Designed and implemented event-driven architecture using Kafka, enabling real-time data processing and system decoupling.
- Integrated Apache Solr for high-performance search capabilities, improving query relevance and response time.
- Applied strong system design principles to build scalable, fault-tolerant, and low-latency services.
- Delivered features end-to-end, collaborating with cross-functional teams including product and design.
- Performed performance tuning, debugging, and root cause analysis to enhance system reliability.
- Used Hubble for monitoring and Splunk for log analysis, improving observability and faster issue resolution.
- Leveraged AI-assisted development tools (GitHub Copilot, Claude Code) to improve development speed and code quality.
- Successfully completed an Infosys Spring AI project, gaining hands-on experience in integrating AI capabilities into backend systems.
Specialist Programmer L2
Infosys Limited
Pune
01.2022 - 12.2024
- Designed and developed scalable microservices architecture for enterprise applications.
- Built event-driven pipelines using Kafka, improving system throughput and reliability.
- Developed secure and high-performance REST APIs using Spring Boot.
- Deployed and maintained applications on AWS and Azure, enhancing scalability and availability for enterprise users.
- Containerized applications using Docker and managed deployments via Kubernetes.
- Optimized backend performance through efficient database design (MySQL) and targeted query tuning, improving response times.
- Implemented Spring Security best practices for secure backend systems.
- Automated CI/CD pipelines with Jenkins and GitHub Actions, streamlining deployment process and reducing manual errors.
Specialist Programmer L1
Infosys Limited
Pune
08.2019 - 12.2021
- Developed RPA solutions using UiPath, improving operational efficiency.
- Built reusable automation components to reduce development effort across projects.
- Created PDD and SDD documentation to ensure clarity and consistency in automation workflows.
- Gathered requirements and collaborated with stakeholders to define product features and functionality.
Education
Bachelor of Science - Computer Science And Engineering
Graphic Era University
Dehradun06-2019
Skills
- Languages & Frameworks:
Java, Spring Boot, Spring Security, Hibernate, JPA, Spring AI - Architecture & Backend:
Microservices, Distributed Systems, System Design, REST APIs - Messaging & Search:
Kafka, Apache Solr - Databases:
MySQL, Couchbase
- Monitoring & Observability:
Hubble, Splunk - Cloud & DevOps:
AWS, Azure, Docker, Kubernetes, Jenkins, GitHub Actions - Tools & Productivity:
Git, Maven, Gradle, IntelliJ IDEA, Postman, GitHub Copilot, Claude Code
Certification
Infosys Certified Microservices Developer
Infosys Certified Java Developer
Infosys Certified Spring Boot Developer
Infosys Certified AWS Developer
Infosys Certified GenAI Builder
UiPath Certified RPA Advanced Developer
AI & ML Certification – Cambridge University (6-month program)
Infosys Certified Java Developer
Infosys Certified Spring Boot Developer
Infosys Certified AWS Developer
Infosys Certified GenAI Builder
UiPath Certified RPA Advanced Developer
AI & ML Certification – Cambridge University (6-month program)
Accomplishments
AOC Summer 2022 – Infosys
UiPath Automation Excellence Award (India & South Asia) 2022
Hackett Digital Award 2021
Code Gladiators Finalist 2021
Infosys Insta Award 2020
UiPath Automation Excellence Award (India & South Asia) 2022
Hackett Digital Award 2021
Code Gladiators Finalist 2021
Infosys Insta Award 2020
Leadership & Responsibilities
- Acting as a Tribe Lead in Infosys STG Unit, driving technical direction and ensuring alignment with business goals.
- Leading a team of 10–12 developers, ensuring high-quality delivery and adherence to best practices.
- Serving as CSR Track Lead for Infosys STG, managing and contributing to organizational social initiatives.
- Mentoring engineers on system design, backend architecture, and modern development practices.
- Conducting technical interviews and contributing to hiring decisions.
Timeline
Specialist Programmer L3
Infosys Limited
01.2025 - Current
Specialist Programmer L2
Infosys Limited
01.2022 - 12.2024
Specialist Programmer L1
Infosys Limited
08.2019 - 12.2021
Bachelor of Science - Computer Science And Engineering
Graphic Era University