Sanjeev Kumar 🚀 profile photo 1 on Tal

Sanjeev Kumar 🚀

Staff Engineer @247.ai(iLabs) | Java, Web3, Backend, AI Agent | Ex- Nokia | Built 3 Startups (Failed & Learned)

Bangalore Urban

7+ years of work experience

[24]7.ai
Sep 20233 yrsPresent

India

Projects: 1. IVR Bot Development 2. Chat Bot Development 3. Concierge Bot Development 0. Lead IVR bot development. 1. Developed and maintained Java-based IVR solutions using proprietary Conversation Builder. 2. Integrated external APIs including third-party verification, customer records, and payment gateways. 3. Reduced backend API response times by 85% using pagination, Redis-based caching, and ORM optimizations. 4. Designed fallback strategies to ensure conversational continuity in high-latency environments. Implemented robust data-capture workflows to store dynamic IVR inputs. 5. Developed agentic bots with Generative AI, enhancing user experience and driving customer satisfaction with LLM. 6. Directed migration to Engagement Cloud (247 Internal) & Google Cloud Platform (GCP), maintaining code quality and reducing server costs by 30%. 7. Achieved a 15% increase in client retention, fostering strong relationships and seamless project management. 8. Successfully managed multiple projects, demonstrating organizational skills and attention to detail.
Nokia
Jul 20232 mosAug 2023

Bangalore Urban, Karnataka, India

Confidential [Project]
Nokia
May 20212 yrs 3 mosJul 2023

Bangalore Urban, Karnataka, India

Projects: 1. 5G Enabler 2. 4G NetAct 3. Mediation 0. Specialized in FCAPS framework within the telecommunications domain, with deep expertise in network management and operations. 1. Built scalable mediation components bridging telecom network elements and NMS. 2. Led backend modules in large-scale enterprise microservices using Spring Boot. 3. Created Disaster Recovery Bookkeeping mechanism, reducing potential data loss by 15%. 4. Developed load/stress testing automation using K6, Python, and custom scripts. 5. Designed user and group management modules integrated with Keycloak and OpenShift. 6. Automated credential rotation system-wide using secure vault-based APIs. 7. Implemented API rate limiting to prevent production downtime, ensuring consistent performance under high traffic conditions. Decreased server overload incidents by 70% through adaptive request throttling. 8. Contributed to backend feature development and refactored legacy code to improve readability and scalability.
Infostretch
Jan 20201 yr 5 mosMay 2021

On-site

Projects: 1. HealthCare System [Hapi-Fhir] 2. eCommerce - Customer Data Platform 3. sms Messaging System 4. Employee Management System 0. Worked on HealthCare Project and used various OpenSource application like gRPC, ElasticSearch, Redis-Cache, Hapi-Fhir .. etc 1. Used Various tools like Kibana, Site24x7 etc.. for Automating Alert, Monitoring API etc... 2. Integrated CDP systems (mParticle) and event pipelines with Kafka. 3. Built resilient REST APIs and improved performance by reducing DB calls by 20%. 4. Designed and implemented scalable, secure RESTful APIs supporting millions of authenticated requests across global cloud communication platforms. 5. Developed asynchronous background workers to offload heavy workloads, improving system responsiveness and service throughput. 6. Optimized CI/CD pipelines with automated linting, testing, and verification, reducing production deployment issues by 35%. 7. Built internal tooling and automation scripts to validate payment gateway integrations, reducing manual QA efforts by 50%. 8. Introduced real‑time monitoring with custom dashboards, enabling early detection of anomalies and reducing incident response times. 9. Authored comprehensive technical design documents, led cross‑team reviews, and coordinated delivery across multiple engineering teams
Infostretch
Jul 20196 mosDec 2019

Ahmedabad

1. Worked on Enterprise Development with Spring boot Framework. 2. Worked on Spring MVC,CORE and Uses Hibernate ORM for Mapping 3. Experienced in NoSql and Sql Database. 4. Build Microservices and Implemented AOP, Java Service Discovery with Netflix, Eureka, Spring Cloud and Feign in an Api Gateway and Secure Java Services Microservices with OAuth 2.0, and also Implemented distributed tracking via Zipkin and Sleuth. 5. Knowledge of Distributed System, Worked On Distributed Messaging System ex:- Kafka, Distributed Cache ex:- HazelCast. 6. Worked on Rest API Automation using Jersey Java Client, Rest Assured Java FrameWork, Postman 7. Worked on Mobile Automation using Appium and Cloud Mobile Automation Using Perfecto. 8. Worked on Website Automation using QAF (QMetry Automation Framework), Selenium and TestNg.
OnGraph Technologies Limited
Jan 20193 mosMar 2019

Jaipur, Rajasthan, India

1. Created a Reddit-style content aggregation site using Angular, Spring Boot, and MySQL. 2. Implemented rating systems, moderation workflows, and discussion threads. 3. Implemented secure JWT-based authentication and bcryptjs password encryption, ensuring protected access to all CRUD operations and API endpoints 4. Migrated a monolithic system to microservices using Spring Boot, Docker, and Kubernetes, improving scalability by 200%. Enhanced system efficiency by 50% through optimized service-to-service communication.
Jan 20191 moJan 2019

India

I am very glad that student's from various colleges joined this Initiative (#FREE 30DAYSOFCODE) and enjoyed 30 days of (Mail to Mail) coding bootcamp. Questions can be found via below Link.

Sanjeev’s AI Stack

antigravity
antigravity
claude code
claude code
codex
codex
gemini
gemini
github copilot
github copilot

Education

Jaipur National University

B.Tech, Computer Science and Engineering

Jaipur National University

20154 yrs2019

Senior Secondary

Sri Chaitanya Vidya Niketan, Andhra Pradesh

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Sanjeev Kumar 🚀 on Tal

Headline

Staff Engineer @247.ai(iLabs) | Java, Web3, Backend, AI Agent | Ex- Nokia | Built 3 Startups (Failed & Learned)

About

Software Engineer with 7 years of experience in building scalable backend systems using Java, Spring Boot, and distributed technologies like Kafka and Docker. Proficient in developing micro-services architectures, API integrations, performance tuning, and DevOps workflows. Demonstrated ability to improve system efficiency, reduce latency, and automate key infrastructure components. Web3, Defi, Crypto Core Java Java - 8, Python, GoLang Spring Boot Microservices Problem Solving Data Structures and Algorithm Design Patterns System Design Distributed Systems

Location

Bangalore Urban

AI stack

antigravity

claude code

codex

gemini

github copilot

Work experience

Staff Engineer(Innovation Lab) at [24]7.ai, Sep 2023 - Present · 3 yrs, India, Projects: 1. IVR Bot Development 2. Chat Bot Development 3. Concierge Bot Development 0. Lead IVR bot development. 1. Developed and maintained Java-based IVR solutions using proprietary Conversation Builder. 2. Integrated external APIs including third-party verification, customer records, and payment gateways. 3. Reduced backend API response times by 85% using pagination, Redis-based caching, and ORM optimizations. 4. Designed fallback strategies to ensure conversational continuity in high-latency environments. Implemented robust data-capture workflows to store dynamic IVR inputs. 5. Developed agentic bots with Generative AI, enhancing user experience and driving customer satisfaction with LLM. 6. Directed migration to Engagement Cloud (247 Internal) & Google Cloud Platform (GCP), maintaining code quality and reducing server costs by 30%. 7. Achieved a 15% increase in client retention, fostering strong relationships and seamless project management. 8. Successfully managed multiple projects, demonstrating organizational skills and attention to detail.

SDE-2 (R&D) at Nokia, Jul 2023 - Aug 2023 · 2 mos, Bangalore Urban, Karnataka, India, Confidential [Project]

Research And Development Engineer at Nokia, May 2021 - Jul 2023 · 2 yrs 3 mos, Bangalore Urban, Karnataka, India, Projects: 1. 5G Enabler 2. 4G NetAct 3. Mediation 0. Specialized in FCAPS framework within the telecommunications domain, with deep expertise in network management and operations. 1. Built scalable mediation components bridging telecom network elements and NMS. 2. Led backend modules in large-scale enterprise microservices using Spring Boot. 3. Created Disaster Recovery Bookkeeping mechanism, reducing potential data loss by 15%. 4. Developed load/stress testing automation using K6, Python, and custom scripts. 5. Designed user and group management modules integrated with Keycloak and OpenShift. 6. Automated credential rotation system-wide using secure vault-based APIs. 7. Implemented API rate limiting to prevent production downtime, ensuring consistent performance under high traffic conditions. Decreased server overload incidents by 70% through adaptive request throttling. 8. Contributed to backend feature development and refactored legacy code to improve readability and scalability.

Software Engineer at Infostretch, Jan 2020 - May 2021 · 1 yr 5 mos, On-site, Projects: 1. HealthCare System [Hapi-Fhir] 2. eCommerce - Customer Data Platform 3. sms Messaging System 4. Employee Management System 0. Worked on HealthCare Project and used various OpenSource application like gRPC, ElasticSearch, Redis-Cache, Hapi-Fhir .. etc 1. Used Various tools like Kibana, Site24x7 etc.. for Automating Alert, Monitoring API etc... 2. Integrated CDP systems (mParticle) and event pipelines with Kafka. 3. Built resilient REST APIs and improved performance by reducing DB calls by 20%. 4. Designed and implemented scalable, secure RESTful APIs supporting millions of authenticated requests across global cloud communication platforms. 5. Developed asynchronous background workers to offload heavy workloads, improving system responsiveness and service throughput. 6. Optimized CI/CD pipelines with automated linting, testing, and verification, reducing production deployment issues by 35%. 7. Built internal tooling and automation scripts to validate payment gateway integrations, reducing manual QA efforts by 50%. 8. Introduced real‑time monitoring with custom dashboards, enabling early detection of anomalies and reducing incident response times. 9. Authored comprehensive technical design documents, led cross‑team reviews, and coordinated delivery across multiple engineering teams

Intern at Infostretch, Jul 2019 - Dec 2019 · 6 mos, Ahmedabad, 1. Worked on Enterprise Development with Spring boot Framework. 2. Worked on Spring MVC,CORE and Uses Hibernate ORM for Mapping 3. Experienced in NoSql and Sql Database. 4. Build Microservices and Implemented AOP, Java Service Discovery with Netflix, Eureka, Spring Cloud and Feign in an Api Gateway and Secure Java Services Microservices with OAuth 2.0, and also Implemented distributed tracking via Zipkin and Sleuth. 5. Knowledge of Distributed System, Worked On Distributed Messaging System ex:- Kafka, Distributed Cache ex:- HazelCast. 6. Worked on Rest API Automation using Jersey Java Client, Rest Assured Java FrameWork, Postman 7. Worked on Mobile Automation using Appium and Cloud Mobile Automation Using Perfecto. 8. Worked on Website Automation using QAF (QMetry Automation Framework), Selenium and TestNg.

Internship at OnGraph Technologies Limited, Jan 2019 - Mar 2019 · 3 mos, Jaipur, Rajasthan, India, 1. Created a Reddit-style content aggregation site using Angular, Spring Boot, and MySQL. 2. Implemented rating systems, moderation workflows, and discussion threads. 3. Implemented secure JWT-based authentication and bcryptjs password encryption, ensuring protected access to all CRUD operations and API endpoints 4. Migrated a monolithic system to microservices using Spring Boot, Docker, and Kubernetes, improving scalability by 200%. Enhanced system efficiency by 50% through optimized service-to-service communication.

Initiative at #FREE 30DAYSOFCODE, Jan 2019 - Jan 2019 · 1 mo, India, I am very glad that student's from various colleges joined this Initiative (#FREE 30DAYSOFCODE) and enjoyed 30 days of (Mail to Mail) coding bootcamp. Questions can be found via below Link.

Education

B.Tech, Computer Science and Engineering, Jaipur National University

Senior Secondary, Sri Chaitanya Vidya Niketan, Andhra Pradesh