Sanjeev Kumar

CEO

Gurgaon, Haryana, India8 yrs experience

Most Likely To SwitchHighly Stable

Key Highlights

Led multiple high-impact projects in backend engineering.
Expert in microservice architecture and cloud-native systems.
Ranked among top 0.65% coders on HackerRank.

Stackforce AI infers this person is a Backend Engineering expert with a focus on SaaS and Sales Enablement.

Contact

sanjeev051996@gmail.com 9572168486 LinkedIn

Skills

Core Skills

NodejsJavascriptClojureReact.jsTwilioSalesforceJavaSpring FrameworkPythonFlaskNode.jsAwsRuby On Rails

Other Skills

AWS CloudFormationAWS Elastic BeanstalkAerospikeAlgorithmsAmazon Relational Database Service (RDS)Amazon S3Amazon Web Services (AWS)AngularJSApache KafkaApplication Programming Interfaces (API)BitbucketBootstrapC++CardsCascading Style Sheets (CSS)

About

Tech lead with expertise in backend engineering system design architecture and implementation with a proven track record of building scalable, distributed, and production-grade backend systems leading cross-functional teams across startups and large tech companies like Tripadvisor, OYO, and Shipsy. Adept in designing and implementing microservice architectures using NestJS, NodeJS, Spring Boot, ReactJS, ROR, Python, and Clojure. IIT(ISM) Dhanbad alumnus with deep expertise in concurrency, cloud-native systems, API development, and performance optimization. Known for delivering highly available, resource-efficient, and maintainable systems in fast-paced environments. Experience building robust software applications in sales enablement and sales AI, travel and hospitality, logistics, e-commerce, fantasy gaming, productivity management and AI led design automation scaling to a million rpm. Consistently ranked among the top 0.65% coders on HackerRank. Passionate about elegant system design, competitive coding, and AI-driven product innovation.

Experience

8 yrs

Total Experience

1 yr 7 mos

Average Tenure

3 yrs 10 mos

Current Experience

Confidential

Technical Lead

Aug 2022 – Present · 3 yrs 10 mos · Gurgoan · Remote

Tech lead for tripadvisor flights microservices team with 4 backend engineers and 2 frontend engineers. Integrated Kayak and skyscanner API for flight itineraries. Reformed the existing services to better assign the tags to the itineraries as best, cheapest and shortest. Reformed the service to provide indicative pricing cards for next 6 months flights between 2 stations using kayak and sky scanner indicative pricing API and worked with SEO team to develop pages for better search rank when users search for flights between stations on a search engine. Led flight itinerary aggregator [integrated with Kayak and Sky Scanner] and ML-based reviews integrations for TripAdvisor resulting in revenue increase by 15 percent.
Led the development of AI copilot that connects with sales reps calendar and auto joins the meeting (zoom, google meet, webex) via recall bot api and helps sales reps to manage and close deal pipeline faster and help them make more informed decisions. Integrates with assembly ai for meeting transcripts to extract and autofill the CRM [Salesforce and Hubspot] scorecard, generate meeting summaries and create follow ups and help sales managers to forecast the sales with daily reports, using OpenAI & Recall APIs with Clojure and React.js stack integrated with Zoom, Calender API, Slack and teams, GPT and Claude at Instaworks with 8 engineers. Onboarded 100+ B2B sales teams with 40% increase in their quarterly prospect reach and 25% increase in their deals closed.
Engineering head for AI Dialer Service that integrates with Salesforce CRM and salesloft and outreach SEP and with an existing enrichment pipeline built inhouse and creates a dialable list of contacts for prospecting and integrates with twilio to auto dial as per configuration by the sales reps at Regie AI, managing a team of 6 engineers and 1 UX designer. Integrated Salesforce CRM reports, Twilio regulatory compliance, Salesloft SEP call tasks, Apollo API for AI dialer automation at Regie AI.

NodeJSJavaJavaScriptClojureReact.jsSpring Framework+33

Jio platforms limited (jpl)

Software Engineering Manager

Dec 2021 – Aug 2022 · 8 mos · Gurgoan · Remote

Payment Engine tech team for AJIO B2B
Backend lead for AJIO’s payment systems and Led the integration of Perfios, UPI intent, Juspay payment gateways to improve success rate from 62 percent to 85 percent for the payments for AJIO B2B with a team of 4 backend engineers. Integrated Low success rate alerts, led the implementation of a new architecture for pay later based payment option using Perfios which resulted in an improved payment experience and lesser drop offs during payment phase. Part of the senior engineering hiring panel. Mentored junior engineers and started weekly technical sessions with focus on driving an L & D based environment for the team.

JavaSpring FrameworkPostgreSQLHibernatePayment GatewaysSoftware Development+6

Mason

Senior Software Engineer

Oct 2020 – Dec 2021 · 1 yr 2 mos · Bangalore Urban, Karnataka, India · Remote

Design automation tool development.
Backend lead for Oauth authentication service at Mason (Ad Campaign Design Software), adding integrations for Twitter, LinkedIn, Invision, Figma with a team of 5 engineers. Integrated social media API’s for campaign promotion on Instagram, Twitter, LinkedIn and Facebook. Added payment subscription service using Stripe bolt checkout. Optimised the text content in canvas designer with affine transformations for rotation and translation. Participated in hiring panels for senior and mid-level engineering roles.
Added Oauth for third parties Slack, Twitter, LinkedIn, Calendar, figma
Social media integration for sharing designed posters and running Ad campaigns - Twitter, Instagram, LinkedIn and Facebook API integrations
Integrated stripe payment gateway and subscriptions

Python (Programming Language)FalconFlaskPostgreSQLElasticsearchCircleCI+10

Oyo

Senior Software Engineer

Sep 2019 – Sep 2020 · 1 yr · Gurgoan · On-site

Pricing Engine tech team
Re-architected the existing price aggregator service (aggregating base price, promotions, payment offers, taxes, insurances etc) to 10M+ rpm and re-write the service from ruby monolith to Java microservice with a team of 5 backend engineers. Collaborated and worked with devops team to optimize the infrastructure using Kubernetes and AWS spot instances and performed cost analysis to reduce the burden of infrastructure resource overuse resulting in Infrastructure cost reduced by 15 cr INR per month. Conducted technical interviews and mentored junior engineers.

JavaSpring FrameworkRuby on RailsPostgreSQLHibernateCassandra+13

Shipsy

2 roles

Software Engineer ll

Promoted

Feb 2019 – Jul 2019 · 5 mos · Gurgaon, India

Backend Service Lead for EXIM [NodeJS, NestJS based multi-tenant
service], an ecosystem for all stakeholders in the supply chain industry
involved in the export-import of goods across ports all over the globe.
Lead the team to introduce microservice architecture from old
monolithic service.
Core member of hiring and training processes, conducted regular technical training and played a major role in performance reviews.
Integrated CI-CD tools for smooth microservice deployment [Buddy
pipelines (CI tool), Bitbucket (linting checks), Docker (build), AWS Fargate
cloud infrastructure (server), slack (slash commands), saw (server logs)]
Responsibilities: Architecture level work-flow charts and diagrams for
major features, reporting manager of a team of 10 colleagues.

Node.jsTypeScriptMongoDBPostgreSQLIonicdocker+7

Software Engineer

Mar 2018 – Feb 2019 · 11 mos · Gurgaon, India

Full Stack developer across NodeJS, AngularJS, NestJS,
Loopback, TypeScript, Ionic based services.
Courier label printing [in PDF format] architecture [scale of 1 lac labels
per request]
Integrated third-party [payUMoney] online payment gateway with
existing courier booking system at Shipsy.
Hands-on with integration of dev-ops tools like data-dog, sentry,
new-relic, nginx, docker, pm2, cronitor, s3, ec2, ecs, third party
integrations, web-sockets, eslint.

NestJSJavaScriptTypeScriptNode jsReact.jsAngularJS+10

Qlinkus technologies

Software Developement Internship

Dec 2016 – Jan 2017 · 1 mo · Kolkata Area, India · On-site

Developed automated IVR call based customer support system [Ruby On Rails and
MongoDB NoSQL Database].
Technologies used:
Ruby On Rails, MongoDB, java script, HTML5, CSS, Bootstrap, jQuery, Git, Bitbucket, Postman, Ubuntu

Node.jsJavaScriptHTML5Cascading Style Sheets (CSS)TwilioAmazon Relational Database Service (RDS)