Tech Lead

NAVEEN CARPENTER

Senior Consultant Backend Engineering Node.js TypeScript GraphQL PostgreSQL AWS

***********@*****.*** +91-917******* LinkedIn Indore, MP Open to: Pune Indore Remote

PROFESSIONAL SUMMARY

Senior Backend Engineer and Tech Lead with 13+ years of experience designing and delivering scalable, cloud-native backend

systems using Node.js, TypeScript, GraphQL (Hasura), REST APIs, PostgreSQL/SQL, and AWS. Proven expertise in

microservices architecture, API design, database-driven workflows, CI/CD pipelines, and enterprise-grade security including OAuth2

and JWT. Strong track record of leading cross-functional Agile teams, conducting architecture reviews, mentoring engineers, and

delivering measurable business outcomes including a 25% AWS cost reduction and 15% operational efficiency improvement

for global enterprise clients. Experienced across fintech (Bank of Montreal), healthcare (JDRF), and enterprise SaaS domains.

KEY SKILLS

Backend Development: Node.js, TypeScript, Express.js, Hapi.js, GraphQL & Hasura: Hasura GraphQL Engine, GraphQL API

Microservices, RESTful APIs Design, Schema Mgmt, Role-Based Access, Permissions &

Metadata

Databases & SQL: PostgreSQL, MySQL, MongoDB, DynamoDB, Cloud & DevOps: AWS (Lambda, EC2, S3, CloudFormation,

Schema Design, Views, Triggers, DB-Backed Workflows CloudWatch, SNS, SQS, CloudFront), CI/CD (Jenkins, Git),

Docker

Security & Auth: OAuth2, JWT, API Security, Data Encryption, Performance & Observability: Performance Tuning,

IAM, TLS, Rate Limiting CloudWatch, Logging, APM, Load Balancing, Elasticsearch

Architecture: Clean Architecture, Domain-Driven Design (DDD), Agile & Collaboration: Scrum / SAFe, JIRA, Code Reviews,

Event-Driven Architecture, API Gateway Patterns Technical Documentation, Cross-functional Team Leadership

Frontend Integration: Angular, React, JSON, HTML/CSS API

integration with front-end frameworks

PROFESSIONAL EXPERIENCE

Tech Lead Backend Engineering & Cloud Architecture Feb 2022 Present

Tata Consultancy Services Ltd., Indore

Led end-to-end backend solution design and development using Node.js, TypeScript, and GraphQL, delivering enterprise-grade

APIs for global clients including Bank of Montreal and Waste Management Inc.

Designed and maintained scalable REST and GraphQL APIs; configured Hasura GraphQL Engine metadata, permissions,

relationships, and role-based access control for secure data exposure.

Implemented PostgreSQL and DynamoDB database-driven workflows designed schemas, views, triggers, and optimized

complex SQL queries for high-throughput financial and operational data.

Enforced backend security standards including OAuth2, JWT authentication, TLS encryption, and IAM-based access policies

across AWS-deployed microservices.

Built and maintained CI/CD pipelines using Jenkins and Git branching strategies, enabling zero-downtime deployments and

reliable release hygiene across environments.

Integrated third-party APIs, payment systems, and internal microservices; managed event-driven communication using AWS

SNS/SQS for async workflows.

Led architecture discussions, code reviews, and creation of reusable backend components mentoring a team of 6+ Node.js

and DevOps engineers.

Implemented observability using CloudWatch, Elasticsearch, and logging frameworks proactive monitoring, APM, and

L1 L3 production support.

Reduced AWS infrastructure costs by 25% through Lambda optimisation, CloudFormation IaC, and right-sizing strategies.

Senior Software Engineer Backend & API Development Oct 2018 Dec 2021

BeyondKey Systems Pvt. Ltd., Indore

Developed scalable backend services using Node.js, Express.js, TypeScript, MongoDB, and MySQL for JDRF (healthcare)

and Carry Green Stores (e-commerce) platforms.

Designed RESTful API architectures with strong focus on performance tuning, error handling, and backend security integrating

JWT-based authentication and Stripe payment APIs.

Worked extensively with both relational (MySQL/PostgreSQL) and NoSQL (MongoDB) databases schema design, query

optimisation, indexing, and aggregation pipelines.

Participated in architecture reviews and contributed reusable backend modules; maintained technical documentation for APIs and

backend configurations.

Maintained production system reliability across 4 servers with CloudWatch monitoring, automated failover, and performance

optimisation achieving 90%+ client satisfaction.

Earned TCS Silver Certificate for high-impact deployment and knowledge-sharing contributions.

Team Lead & Tech Lead Backend Solutions Apr 2017 Sep 2018

Bonasys IT Solutions Pvt. Ltd., Indore

Led backend development team building high-availability Node.js APIs and microservices for Auto By Offer vehicle purchasing

platform.

Implemented clean architecture patterns and domain-driven design principles for scalable, maintainable service

decomposition.

Managed Agile/Scrum sprints using JIRA; drove stakeholder engagement and delivered solutions on time within budget.

Senior Web Application Developer May 2016 Mar 2017

Shanti Infotech Pvt. Ltd., Indore

Built performant server-side applications using Node.js and JavaScript; managed MySQL and MongoDB databases with

optimised queries and data validation.

Integrated front-end Angular components with Node.js backend APIs, ensuring clean API contracts and responsive UX.

Web Developer Nov 2014 Mar 2016

TECHMEN Compusoft Pvt. Ltd., Indore

Developed full-stack web applications using JavaScript, Node.js, SQL/NoSQL databases in Agile team environments.

Web Developer Feb 2012 Sep 2014

Green Web Solution Pvt. Ltd., Indore

Built foundational web applications; developed expertise in JavaScript, backend logic, and relational database management.

KEY PROJECTS

Bank of Montreal (BMO) Business Banking API Platform Jan 2024 Present

Stack: Node.js, TypeScript, GraphQL, AWS Lambda, PostgreSQL, DynamoDB, JWT, OAuth2, CloudFormation

Designed encrypted, low-latency business banking APIs using GraphQL and REST. Implemented role-based access control,

OAuth2/JWT security, and DB-driven workflows on PostgreSQL for one of Canada's top financial institutions.

Waste Management Truck Down Tracking System Mar 2022 Apr 2025

Stack: Node.js, TypeScript, AWS Lambda, MongoDB, PostgreSQL, SNS/SQS, CloudWatch, CI/CD

Built event-driven microservices fleet tracking platform. Integrated SNS/SQS async messaging, implemented observability via

CloudWatch, and improved operational efficiency by 15% through cloud-native backend optimisation.

JDRF Type 1 Diabetes Research Platform Feb 2019 Dec 2021

Stack: Node.js, Express.js, TypeScript, MongoDB, MySQL, JWT, Angular, REST APIs

Developed secure REST API backend for healthcare data management; implemented JWT authentication, role-based data

access, and optimised SQL/NoSQL queries for research stakeholder portal.

Carry Green Stores E-Commerce Backend Dec 2018 Oct 2019

Stack: Node.js, Express.js, MySQL, MongoDB, Stripe API, Redis (caching), REST APIs

Built high-performance bulk ordering backend with Stripe payment integration, Redis caching for session management, and

optimised MySQL schemas for wholesale product management.

EDUCATION & CERTIFICATIONS

Bachelor of Engineering Computer Science

RGPV University Mandsaur Institute of Technology (MIT), MP 2011

AWS Solutions Architect Training Course

Amazon Web Services

AWS Developer Associate Training Course

Amazon Web Services

KEY ACHIEVEMENTS

Reduced AWS cloud infrastructure costs by 25% via Lambda tuning, CloudFormation IaC, and auto-scaling strategies.

Improved enterprise operational efficiency by 15% for Waste Management Inc. through Node.js microservices and cloud-native

design.

Maintained 90%+ client satisfaction at BeyondKey by delivering complex, secure, on-time backend solutions.

Earned TCS Silver Certificate for high-impact production deployment and engineering knowledge-sharing leadership.

Enhanced system reliability across 4 production servers via proactive CloudWatch monitoring, automated recovery, and

performance tuning.

Led cross-functional teams of 6+ engineers across backend, DevOps, and QA to deliver enterprise-grade digital transformation

projects.

Languages: English, Hindi DOB: 03 Aug 1987 Indore, MP Open to Relocation: Pune Indore Remote

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