Sajjan Kumar
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Sajjan Kumar Email & Phone Number

Tech Lead Backend | Python, Django, Big Data, API, AWS, Event-Driven, Agile | Building High-Performance Systems at HashedIn by Deloitte
Location: Gurugram, Haryana, India 7 work roles 1 school
1 work email found @ceeri.res.in LinkedIn matched
✓ Verified May 2026 4 data sources Profile completeness 100%

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Current company
Role
Tech Lead Backend | Python, Django, Big Data, API, AWS, Event-Driven, Agile | Building High-Performance Systems
Location
Gurugram, Haryana, India
Company size

Who is Sajjan Kumar? Overview

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Quick answer

Sajjan Kumar is listed as Tech Lead Backend | Python, Django, Big Data, API, AWS, Event-Driven, Agile | Building High-Performance Systems at HashedIn by Deloitte, a company with 624 employees, based in Gurugram, Haryana, India. AeroLeads shows a work email signal at ceeri.res.in and a matched LinkedIn profile for Sajjan Kumar.

Sajjan Kumar previously worked as SDE III at Hashedin By Deloitte and Backend Tech Lead at Datacultr. Sajjan Kumar holds Bachelor Of Technology (B.Tech.), Electronics And Communication Engineering from Rajasthan Technical University.

Company email context

Email format at HashedIn by Deloitte

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{first}.{last}@ceeri.res.in
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AeroLeads found 1 current-domain work email signal for Sajjan Kumar. Compare company email patterns before reaching out.

Profile bio

About Sajjan Kumar

Seasoned Backend Python Lead | 7.5+ Years | Building Scalable SystemsI am a results-oriented backend development lead with over 7.5 years of experience crafting and maintaining high-performance systems. My expertise lies in leveraging a diverse tech stack, including Python frameworks (Django, FastAPI), Big Data technologies (Kafka, KSQLDB, Elasticsearch), and API development, to design, develop, and deploy scalable solutions on the cloud (AWS, GCP).Key Skills:* Backend Development: Python, Django, FastAPI, REST APIs, Databases (PostgreSQL, MongoDB, Cassandra), Redis, RabbitMQ, Celery, Leek, Sentry* Big Data: Kafka, KSQLDB, Kafka-connect, Elasticsearch, Kibana, Presto/Trino, * DevOps: Git, Docker, Nginx, Grafana, Shell Scripting, Ansible, Github Actions, * Previous Experience: Machine Learning (Supervised Learning, NLP), Flask* Exposure: Apache Nifi, Tornado, Hadoop, Elastic Beat Service, Python Supervisor, ReactJs, Apache Superset, Dashboarding and Monitoring Tool, Serverless Computing* Continuous Learning: Exploring Kubernetes (K8s)Passionate about:* Designing and building innovative backend solutions* Streamlining workflows and ensuring optimal performanceFavorite Editor: Vim, VS Code

Listed skills include Html, Microsoft Office, Management, Microsoft Excel, and 15 others.

Current workplace

Sajjan Kumar's current company

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HashedIn by Deloitte
Hashedin By Deloitte
Tech Lead Backend | Python, Django, Big Data, API, AWS, Event-Driven, Agile | Building High-Performance Systems
bangalore, karnataka, india
Website
Employees
624
AeroLeads page
7 roles

Sajjan Kumar work experience

A career timeline built from the work history available for this profile.

Backend Tech Lead

Gurugram, Haryana, India

* Develop and maintain delivery plans, including scope, objectives, timelines, and resource allocation.* Coordinate with cross-functional teams to ensure alignment with delivery goals.* Own the technical architecture, design, and delivery of solutions.* Code reviews, Technical discussion with the team, feedback, JIRA, Documentation review

Apr 2023 - Oct 2024

Data Team - Lead

Gurugram, Haryana, India

* Kafka Pipeline to process around 2 million events per day in near real-time and batch processing.* Reporting Infra setup (Emails, Slack alerts, Dashboards)

Oct 2021 - Apr 2023

Senior Associate Technology

Gurugram, Haryana, India

* Build interface-level components using Python, Django, REST APIs, and Supervisor* Maintaining and bug fixes of legacy application* ElasticSearch setup and uses Elasticsearch APIs for reporting purposes. ElasticSearch indexes hold around 220 million documents and counting.

Oct 2019 - Oct 2021

Software Developer

New Delhi Area, India

Managing and Improving:--> 1. The Text De-duplication using the one-hot encoding and word vectors, paragraph embedding. 2. The NLP tasks such as NER, and text classification. 3. The Machine Learning pipeline of product. 4. Automated data extraction using web scraping from an external source.

Apr 2017 - Jun 2019

Social Media Associate

Jaipur Area, India

Jul 2016 - Aug 2016
Team & coworkers

Colleagues at HashedIn by Deloitte

Other employees you can reach at hashedin.com. View company contacts for 624 employees →

1 education record

Sajjan Kumar education

  • Rajasthan Technical University
    Rajasthan Technical University
    Electronics And Communication Engineering
FAQ

Frequently asked questions about Sajjan Kumar

Quick answers generated from the profile data available on this page.

What company does Sajjan Kumar work for?

Sajjan Kumar works for HashedIn by Deloitte.

What is Sajjan Kumar's role at HashedIn by Deloitte?

Sajjan Kumar is listed as Tech Lead Backend | Python, Django, Big Data, API, AWS, Event-Driven, Agile | Building High-Performance Systems at HashedIn by Deloitte.

What is Sajjan Kumar's email address?

AeroLeads has found 1 work email signal at @ceeri.res.in for Sajjan Kumar at HashedIn by Deloitte.

Where is Sajjan Kumar based?

Sajjan Kumar is based in Gurugram, Haryana, India while working with HashedIn by Deloitte.

What companies has Sajjan Kumar worked for?

Sajjan Kumar has worked for Hashedin By Deloitte, Datacultr, Contify, Bluecube Network, and Csir-Ceeri.

Who are Sajjan Kumar's colleagues at HashedIn by Deloitte?

Sajjan Kumar's colleagues at HashedIn by Deloitte include Harshit Varshney, Pritam Kumar Mandal, Mahaveer Singh, Anurag Jain, and Anushka Jain.

How can I contact Sajjan Kumar?

You can use AeroLeads to view verified contact signals for Sajjan Kumar at HashedIn by Deloitte, including work email, phone, and LinkedIn data when available.

What schools did Sajjan Kumar attend?

Sajjan Kumar holds Bachelor Of Technology (B.Tech.), Electronics And Communication Engineering from Rajasthan Technical University.

What skills is Sajjan Kumar known for?

Sajjan Kumar is listed with skills including Html, Microsoft Office, Management, Microsoft Excel, Microsoft Word, Sql, Powerpoint, and Python.

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