Vetted Talent
Siranjeevi Rajendran
Vetted Talent
Back-end Engineer with 12+ years of experience specializing in Java, micro-services, and open-source technologies. Proven track record of designing, implementing, and optimizing scalable architectures for global companies. Skilled in leading cross-functional teams and consistently delivering complex projects on time and within scope.
- Role
Technical Lead
- Years of Experience
13.83 years
Skillsets
- Algorithms
- Mentoring
- Restful APIs
- Java
- SQL
- Agile
- Spring Boot
- Spring
- Docker
- Kafka
- Domain-driven development
- Architecture
- Distributed Systems
- Kubernetes
- AWS
- Microservices
- Data Structures
- Kubernetes
- MongoDB
- IntelliJ
- Java - 11 Years
- Python - 2 Years
- AWS - 8 Years
- Git
- Message brokers
- Spring Boot
- TDD
- Kafka
- IDE
- Spring Boot - 10 Years
- SQL - 9 Years
- NO SQL - 8 Years
- Distributed Systems - 8 Years
- Git
- Leadership
- Agile methodologies
- Agile methodologies
- Cross-functional collaboration
Vetted For
6Skills
- Roles & Skills
- Results
- Details
Staff EngineerAI Screening- 69%
- Skills assessed :CI/CD, Python, Java, Micro services, Spring Boot, System Design
- Score: 62/90
Professional Summary
13.83Years
- Sep, 2023 - Present2 yr 7 months
Technical Lead
Sigmoid - Mar, 2021 - Mar, 20221 yr
Staff Software Engineer
FourKites, Inc. - Apr, 2017 - Dec, 20203 yr 8 months
Senior Member Of Technical Staff
athenahealth - May, 2012 - Aug, 20142 yr 3 months
Software Engineer
Payoda Technologies Pvt Ltd - Aug, 2014 - Jun, 2015 10 months
Senior Software Engineer
Samsung Global Research (SGR) - Jun, 2015 - Mar, 20171 yr 9 months
Software Development Engineer II
Ola - Sep, 2008 - Jun, 20101 yr 9 months
Vice President
Rotaract
Applications & Tools Known
Ruby on Rails
Spring Boot
MySQL
Okta
Node.js
CloudFormation
.png)
Docker
ECS
Google API
Prometheus
.jpg)
Grafana
SNS
kibana
filebeat
.png)
Jenkins
Maven
Terraform
Intellij
Eclipse
Sublime
Git
BitBucket
Perforce
SVN
Kubernetes
RESTful APIs
CI/CD
Terraform
AWS
Azure
Maven
Terraform
Rabbit MQ
Kafka
SQS
VS Code
Prometheus
kibana
Work History
13.83Years
Technical Lead
SigmoidSep, 2023 - Present2 yr 7 months
Developed ETL pipelines using AWS Step Functions, & improved data processing efficiency by 30%. Collaborated with BIG clients to gather requirements, ensuring accurate data migration within the stipulated time.
Staff Software Engineer
FourKites, Inc.Mar, 2021 - Mar, 20221 yr
Modularized monolithic Ruby on Rails projects into Spring Boot microservices, boosting performance and usability by 40%. Designed a scalable platform from scratch, tracking millions of loads daily with better reliability.
Senior Member Of Technical Staff
athenahealthApr, 2017 - Dec, 20203 yr 8 months
Collaborated with the Platform Identity team to implement fine-grained access control, enhancing platform security and reducing unauthorized access incidents.
Software Development Engineer II
OlaJun, 2015 - Mar, 20171 yr 9 months
Designed and implemented a micro-service architecture for OlaCabs to send transactional communications, handling up to 5M daily.
Senior Software Engineer
Samsung Global Research (SGR)Aug, 2014 - Jun, 2015 10 months
Software Engineer
Payoda Technologies Pvt LtdMay, 2012 - Aug, 20142 yr 3 months
Vice President
RotaractSep, 2008 - Jun, 20101 yr 9 months
Achievements
- Developed ETL pipelines using AWS Step Functions, improving data processing efficiency by 30%.
- Modularized monolithic Ruby on Rails projects into Spring Boot microservices, boosting performance and usability by 40%.
- Designed a scalable platform from scratch, handling millions of queries daily with high efficiency.
- Implemented fine-grained access control, enhancing platform security and reducing unauthorized access incidents.
- Delivered a scalable messaging micro-service with a PubNub back-end, handling up to 1M+ messages daily with low latency.
- Designed and implemented a micro-service architecture for Olacabs to send transactional communications, handling up to 5M messages daily and improving message reliability across the company.
- Collaborated with clients to gather requirements, ensuring accurate data migration.
- Collaborated with product teams and API vendors to ensure smooth, bug-free production releases, improving time-to-market.
- Led 4 cross-functional teams to deliver transport platform initiatives across Ocean, Air, Rail & Road, enhancing service coverage.
- Partnered with ML experts to enhance container arrival predictions, resulting in more accurate ETA estimates.
- Collaborated with the Platform Identity team to implement fine-grained access control, enhancing platform security and reducing unauthorized access incidents.
- Designed and integrated REST APIs with OKTA for login and session management using JWT, improving authentication speed and user experience.
- Led sprints as Scrum Master, ensuring timely delivery and boosting team collaboration.
- Developed Java and Node.js SDKs for FGAC consumers, reducing client onboarding time by 40%.
- Managed deployments using CloudFormation, Docker images, and ECS, cutting deployment time by 50% and increasing efficiency.
- Designed and implemented a micro-service architecture for Olacabs to send transactional communications (e.g., Cab Arrived, Booked), handling up to 5M messages daily and improving message reliability across the company.
- Led a small team of 2 freshers, building the system from scratch with continuous review from the Architect, delivering a fully functional solution in just 3 months and accelerating time-to-market.
- Developed comprehensive reporting and metrics systems, reducing communication failure rates by 25% and enhancing visibility for critical messages.
- Integrated external APIs (Google, SMS, email vendors) to support seamless push notifications, ensuring 99.9% up-time and reliable delivery.
- Enhanced the system over time to handle increasing traffic, resulting in 30% improved performance and robustness in high-load scenarios.
Education
Master of (M.C.A)
P.S.G College of Technology, Coimbatore (2012)