SAGAR BANKAR
Principal Engineer | Engineering Manager | Solution Architect
Mumbai
Summary
Tech-savvy Leader | Hands-on Engineer | Product Strategist
- Passionate about building impactful, user-driven products.
- Hands-on engineer — capable of writing code from scratch to production-grade systems.
- 10+ years of experience in coding, architecting, and delivering high-performance, mission-critical applications.
- Blend of technical expertise and business acumen to drive product innovation and growth.
- Skilled in product ideation, strategic planning, execution, and delivery.
- Proven track record of creating product roadmaps, managing go-to-market (GTM) strategies, and driving adoption.
- Effective in guiding cross-functional teams across product, engineering, and design.
- Champion of digital transformation and emerging technologies.
- Experienced in establishing strong engineering culture and implementing development best practices.
- Domain expertise: B2B & B2C, Telecommunications, Fintech, and Logistics.
Overview
9
9
years of professional experience
6
6
years of post-secondary education
Work History
Engineering Manager
Cogoport
2023.01 - 2025.05
- Led the expansion of Cogoport’s products across multiple geographies, ensuring GDPR compliance, platform scalability, and regulatory alignment.
- Posted in China to lead the launch and localization of products tailored for the China ecosystem, including deep integration with WeChat, and support for WeChat-native experiences.
- Managed and mentored a cross-functional team of 30–40 engineers across backend, frontend, mobile, QA, and DevOps.
- Built and launched CogoONE, Cogoport’s in-house OmniChannel platform, delivering $1.2M in annual cost savings. Led the complete product lifecycle: strategy, architecture, roadmap, execution, and go-to-market. Integrated global voice calling systems (e.g., Twilio, Vonage) and messaging platforms (SMS, WhatsApp, Telegram, etc.), ensuring worldwide compatibility and seamless cross-channel communication. Tech stack: Java (Spring Boot), Kafka, PostgreSQL, Supabase, Redis, Docker, Kubernetes, React.js, AWS.
- Designed and deployed a multi-platform AI-powered chatbot using LLMs and internal data models. Successfully integrated with Web, WhatsApp, IVR, Meta, Telegram, WeChat, Line, and Zalo, resulting in 600+ bookings worth $1.5M within 3 months. Tech stack: Python, LangChain, ChatGPT, and Gemini APIs, Meta APIs, Twilio, Node.js, MongoDB.
- Architected and delivered a robust AI-powered ticketing system, enabling automated assignment and over 60% ticket resolution through historical data insights. Tech stack: GoLang, Java (Spring Boot), Elasticsearch, SQS, ReactJS.
- Oversaw the development of a React Native mobile application for global trade operations, improving productivity and visibility for internal teams and partners. Tech stack: React Native, Firebase, REST APIs, GitHub Actions.
- Championed engineering excellence by instituting best practices: clean code principles, SOLID design, multi-level peer reviews, automated CI/CD pipelines, and zero-downtime deployments (blue-green/canary). Standardized LLD/HLD documentation, knowledge sharing, and architecture review processes.
Senior Technical Lead
Cogoport
2022.04 - 2023.01
- Designed and executed an in-house MarTech solution to handle 100,000+ concurrent notifications, emails, and WhatsApp messages as part of large-scale marketing campaigns. Eliminated reliance on external vendors, leading to $10,000 per month in cost savings. Tech stack: Java (Spring Boot), AWS SQS, Redis, PostgreSQL, Supabase, AWS SES, WhatsApp Cloud API, Firebase, and Cron workers.
- Engineered a fast and efficient User Segmentation Engine to dynamically group users into cohorts across various data sources for real-time, targeted campaigns. Achieved less than 10-second segmentation performance through optimized queries and in-memory caching. Tech stack: Python, PostgreSQL, Supabase, Redis, React, Node.js, AWS Lambda, AWS SQS.
- Developed a configurable Promotional Offers and Discount Engine, enabling teams to create, manage, and automate promotional campaigns with rule-based flexibility. Enabled marketing operations with low-code/no-code workflows for campaign rollout. Tech stack: Java (Spring Boot), PostgreSQL, Supabase, Redis, AWS SQS, REST APIs, React.
- Led development of the Supplier-Side Platform for Cogoport partners, streamlining core workflows such as rate upload, booking confirmation, and invoicing. Enhanced operational efficiency and user satisfaction among B2B logistics partners. Tech stack: React, Node.js, Java (Spring Boot), PostgreSQL, AWS S3, AWS SQS, Supabase.
- Designed and implemented the CogoPoints Rewards System, a loyalty engine that incentivized users with rewards for bookings and milestone achievements. Boosted user retention and engagement across both partner and customer platforms. Tech stack: Java (Spring Boot), AWS SQS, PostgreSQL, Redis, Supabase, React, Node.js.
Technical Lead
Cogoport
2021.02 - 2022.04
- As a team lead, I successfully managed a team of 20 engineers, overseeing the development of SaaS solutions. I directed initiatives including container tracking, schedules, subscription modules, and payment functionality for comprehensive and efficient software solutions.
- Led initiatives to optimize AWS infrastructure, implementing right-sizing of servers and resources. Achieved a significant cost reduction, effectively halving the overall expenses.
Senior Software Engineer
Amdocs India
2019.11 - 2021.01
- Contributed to the Product Development and R&D division at Amdocs, delivering scalable and innovative solutions for global telecom leaders including AT&T, Vodafone, and Orange.
- Played a pivotal role in the initial project setup and successful go-live phases for all three telecom giants, including environment setup, configuration, deployment, and customer alignment.
- Core contributor to the development of Real-Time Billing (RTB), part of the Revenue One suite, enabling real-time billing, rating, and payment processing for millions of subscribers.
- Designed and developed cloud-native microservices optimized for high availability, low latency, and fault tolerance in telecom-grade systems.
- Worked closely with global, cross-functional teams in agile sprints to deliver production-ready features and customer-specific configurations.
- Tech Stack: Languages & Frameworks: Java, Spring Boot; Architecture: Microservices, RESTful APIs; Database: MySQL, Redis; Integration & Automation: Workato, Apache Kafka, RabbitMQ; Cloud & DevOps: Docker, AWS ECS, GitHub Actions, Jenkins, ELK Stack, Prometheus, Grafana, Git; Tools & Practices: Agile, CI/CD pipelines, JIRA, Confluence.
Full Stack Engineer
TMW Fintech Pvt. Ltd
2018.09 - 2019.11
- Company Overview: FinTech Startup - Consumer Wallet & Merchant Acquiring Solution
- Designed and developed merchant Acquiring solution platform tmwBiz which includes white label payment gateway for online and offline merchants.
- Developed a core transaction engine which will take care of all the payments related activities and to incorporate integration with different payment aggregators and banks directly.
- Developed the complete backend based on Microservices architecture and used Netflix OSS
- Designed and Developed solutions like pay via payment link for merchants and customers flexibility.
- Contributed to design and development Android Application, Merchant Dashboard and Admin Dashboard using android and angular 6.
- Later stage contributed to product road map and did some research to get some cool features onboard like Bill Sharing using tmwBiz platform, Inventory management, recurring payments with notification, pre-onboarded QR codes for the merchant so that they can start accepting money without a delay.
Software Engineer
Reliance Jio
2017.02 - 2018.09
- Company Overview: Payments Bank.
- Responsible for building core technology infrastructure and the development of some of the core features, such as Bill Payments, NEFT (P2B), Load Money functionality, and Mass Transit features like Bus Bookings and Hotel Booking.
Engineering Intern
AppsDaily Solution
2015.12 - 2016.01
- Company Overview: Insure-Tech Platform
- Worked Under Technology department to build features to prevent fraud in claim process of mobiles, laptops and digital devices.
Education
Bachelor's Degree - Computer Engineering
University of Mumbai
2013.07 - 2016.08
Diploma - Computer Engineering
Government Polytechnic, Amravati
2010.06 - 2013.07
Skills
Product Development & Strategy
Product Management
GTM Strategy
Solution Architecture & Implementation
Team Building
Digital Transformation
Engineering Management
DevOps
Microservices
IT Infrastructure Design
Emerging Technologies
Design Patterns
Cloud Native Solutions
B2B and B2C Channel Growth
Spring Boot
Java
Ruby on Rails
React JS
CI-CD
Docker
GIT
Jenkins
Amazon Web Services
API Gateways
Database Technology
MySQL
TIBCO
PostGre
Google Cloud
Couchbase DB
Firebase
React Native
NoSQL
Mobile Development
Marketing Tech
Consumer Tech
Engineering Execution
Kafka, SQS, SNS
Data Lakes
Workato
Awards
- Growth Lever Award (Nov 2022):
Received Cogoport's 2022 Offsite Award in Thailand for exceptional product delivery and engineering excellence. - AWS Certified Solutions Architect – Associate (Jun 2020):
Achieved certification demonstrating expertise in designing and deploying scalable, reliable AWS solutions. - Certificate of Appreciation – Reliance Jio (Mar 2018):
Awarded for consistently delivering timely and high-quality engineering results. - 1st Runner-Up – TechIons 2014 (Jan 2014):
Recognized at an international tech fest for outstanding performance in technical innovation and problem-solving.
Timeline
Engineering Manager
Cogoport
2023.01 - 2025.05
Senior Technical Lead
Cogoport
2022.04 - 2023.01
Technical Lead
Cogoport
2021.02 - 2022.04
Senior Software Engineer
Amdocs India
2019.11 - 2021.01
Full Stack Engineer
TMW Fintech Pvt. Ltd
2018.09 - 2019.11
Software Engineer
Reliance Jio
2017.02 - 2018.09
Engineering Intern
AppsDaily Solution
2015.12 - 2016.01
Bachelor's Degree - Computer Engineering
University of Mumbai
2013.07 - 2016.08
Diploma - Computer Engineering
Government Polytechnic, Amravati
2010.06 - 2013.07