Nazmul Hoque Khan

Senior Backend Engineer

Anaqua

Sep 2023 - Dec 2025 (2 years 4 months)

💼 Senior Backend Engineer & AI Backend Lead ( RightHub Acquired by Anaqua ) At Righthub, I led the design and implementation of the entire AI backend from scratch, pioneering generative AI integrations, autonomous AI agents, and enterprise-grade AI systems. My work focuses on merging AI with large-scale enterprise systems to transform data-driven processes and user interactions. 🔧 Tech Stack: • Backend: Java (Spring Boot), Python (FastAPI) — microservice architecture for scalability and maintainability. • Databases: PostgreSQL, PGVector, JSONB — optimized vector search and AI data storage. • Cloud: GCP and AWS — containerized deployments with Docker, Kubernetes, and GitLab CI/CD for rapid, reliable releases. • Frontend: React, Redux, Type

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Senior Software Engineer

Flow AI

Jun 2022 - Aug 2023 (1 year 3 months)

Europe’s first LLM-powered email assistant, Flowrite scaled from 10,000 to 100,000 users before being acquired by MailMerge in 2024. 🚀 Key Achievements & Impact: • Led the AI backend architecture, building systems from scratch to support rapid growth, feature deployment, and seamless integration of cutting-edge LLM features. • Rapidly mastered specialized tools—Nomad, Nix, Gantry—to enhance AI observability, deployment consistency, and developer productivity. • Proactively analyzed and implemented cost-effective, scalable database solutions (AWS, Hetzner, MongoDB), saving ~40-50% on infrastructure while ensuring 99.9% uptime. • Collaborated closely with product and engineering teams, resolving live deployment bottlenecks and production cha

Senior Software Engineer

Last Call Media

May 2021 - Feb 2024 (2 years 10 months)

💼 Senior Software Engineer at Last Call Media At Last Call Media, I contributed to scalable, high-performance applications by combining cutting-edge technologies with best practices in software engineering. 🔧 Technical Stack: • Languages: TypeScript, Node.js, Python • Frontend: React, Next.js — modern web app development and server-side rendering. • Testing: Cypress — robust end-to-end testing for reliability and quality. • Databases: MongoDB, PostgreSQL — efficient data storage and retrieval. • Cloud: AWS — secure, scalable cloud infrastructure. • APIs: REST, GraphQL — seamless backend-frontend integrations. 💡 Impact: • Developed and deployed scalable, high-availability systems supporting thousands of users. • Implemented robust API arc

Senior Software Engineer

Spiio

May 2021 - Jun 2021 (2 months)

At Spiio, I joined the core team to accelerate the development of their precision agronomy IoT platform, built around real-time soil-sensor data and cloud analytics. 🔧 Technical Stack & Contributions: • Back-end & Microservices: Node.js, Python, Cote microservice framework, MongoDB (Mongoose), InfluxDB for time-series IoT data. • Messaging & Protocols: Implemented data pipelines using MQTT for sensor ingestion, and RabbitMQ/Celery for background processing. • Front-end: React-based dashboards to visualize moisture, temperature, salinity, and light sensor data. • Cloud & Infrastructure: Containerized deployments with Docker and Kubernetes on GCP, enabling scalable and resilient architecture. • Databases: Managed Firestore and MongoDB for me

Senior Backend Developer

The Virtulab

Jan 2021 - Jun 2022 (1 year 6 months)

At Virtulab, I led the design, implementation, and deployment of the entire backend and infrastructure, focusing on high-performance microservices, modern DevOps practices, and cloud-native solutions. 🚀 Impact: • Architected and implemented Node.js, Python, and Java 8 microservices using Express.js, Flask, and Spring Boot, ensuring scalable, maintainable backend systems. • Extensively used Google Cloud Platform services (Cloud Build, Cloud Deploy, Kubernetes, App Engine, BigQuery, Cloud Armor, Cloud Functions, API Gateway) for secure, reliable deployments. • Built robust CI/CD pipelines with GitHub Actions, enabling rapid testing, deployment, and rollback. • Established containerized deployments using Docker and Kubernetes, ensuring consis

Senior Software Engineer

Drop Delivery

Aug 2020 - Jul 2021 (1 year)

Contributed to the cannabis industry's leading delivery management platform, supporting rapid growth across six states and processing over $30M in orders and 228,000+ deliveries in just 17 months 🚀 Impact & Achievements: • Reinforced backend performance and reliability for high-load applications, enabling scaling to support tens of thousands of active users daily. • Developed and optimized PHP 7 backend systems and SQL database structure, ensuring fast, secure, and maintainable data access. • Built dynamic React JS features and updated legacy jQuery components, improving responsiveness and maintainability. • Deployed backend services to AWS, leveraging EC2, S3, CloudFront, and CloudWatch to ensure scalability and observability. • Collabora

Python Developer

ActivePrime

Jun 2020 - Nov 2020 (6 months)

At ActivePrime, I maintained and enhanced legacy CRM integrations, building backend tooling that connected diverse enterprise systems and improved data quality for Salesforce and other platforms. 🔧 Tech Stack & Key Contributions: • Backend: Developed Flask-based Python services and REST APIs to support CRM plugins across Salesforce, Dynamics 365, Oracle Service Cloud, NetSuite, Siebel, and Sugar CRM. • Data Processing: Utilized Pandas and SQLite for efficient data transformations and tooling. • Testing & Quality: Implemented PyTest unit tests, and BDD frameworks (Cucumber/Gherkin) to ensure functionality and reliability. • Frontend Support: Extended lightweight web UIs and tools using Vue.js and jQuery. • Containerization: Dockerized appli

Full Stack Engineer

Pipelinepharma

May 2020 - Jun 2022 (2 years 2 months)

At Pipelinepharma, I was a key driver of engineering innovation, building scalable backend systems and modern DevOps practices that enabled the platform to grow and succeed in the highly regulated pharmaceutical domain. 🚀 Impact: • Led the design and development of Node.js/TypeScript and Python/Django microservices, ensuring secure, reliable, and maintainable backend APIs. • Implemented GraphQL with Hasura to accelerate data querying and simplify integrations across the platform. • Designed robust data models and optimized queries in PostgreSQL, supporting high-performance licensing search and transaction flows. • Deployed and maintained containerized applications using Docker and AWS container services, ensuring scalability and consistent

Javascript Developer

Sutraq Technologies Ltd

Mar 2020 - Aug 2020 (6 months)

At Sutraq Technologies, I served as a key backend engineer, leading the design and implementation of a comprehensive FinTech solution focused on SME finance and micro-savings. 🔧 Key Contributions & Achievements: • Architected and implemented Node.js microservices to manage financial workflows, supporting seamless creation, approval, disbursement, and repayment of loans. • Developed micro-savings modules enabling users to create flexible savings plans, with real-time tracking of contributions and withdrawals. • Built robust RESTful APIs to integrate with various third-party services and ensure consistent data flow across all modules. • Designed and implemented secure and scalable MongoDB clusters, ensuring high concurrency and low-latency d

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Senior Software Engineer

Sparrow Intelligence

Feb 2020 - Current (6 years 6 months)

💼 Founder & Principal Engineer — Sparrow Intelligence I run Sparrow Intelligence, a systems-focused studio building AI-native backend platforms for teams that need reliability, clarity, and scale — not demos. We design and implement: - agentic AI workflows - organization-wide knowledge and search systems - production-grade backend infrastructure Our work typically starts where existing systems become hard to reason about — large codebases, fragmented documentation, and complex data flows. Core focus areas: - Applied AI (LLMs, RAG, agentic systems) - Backend architecture (Python, Node.js, Java, FastAPI, Spring Boot) - Cloud-native infrastructure (AWS, GCP, Docker, Kubernetes) - Data, search, and vector systems - API-first internal platforms

Software Developer

PurpleSlate

Jan 2020 - Jul 2020 (7 months)

At PurpleSlate, I contributed to their upcoming Hadom project—an innovative platform connecting bars/restaurants—developing core backend services and scalable APIs. 🔧 Key Contributions & Achievements: • Built backend APIs with Python (Flask), GraphQL, and Celery — powering data ingestion, business logic, and asynchronous workflows. • Designed and implemented efficient data models in MongoDB and DynamoDB to manage venue listings, promotions, and real-time availability. • Engineered Celery-based microservices for background tasks—email notifications, data syncing, and analytics processing—ensuring reliability and modularity. • Deployed applications on AWS, using Docker containers and CI/CD pipelines to enable rapid, reproducible deployments.

Python Engineer

Crowdbotics

Sep 2019 - Jul 2020 (11 months)

Worked on RecruitBot, an AI-powered recruitment platform built to streamline hiring, reduce time-to-fill by up to 60%, and support automated outreach using ML-powered candidate matching from a database of over 600 million profiles . 🔧 Key Contributions & Achievements: - Developed and maintained core backend services using Django and Django REST Framework, enabling secure and high-performance REST APIs for candidate search, profile enrichment, and analytics pipelines. - Enhanced scalability of critical features by migrating performance-sensitive endpoints to Scala microservices, improving throughput and reducing latency. - Built Swagger-documented APIs to streamline integration with web and mobile clients, along with internal admin dashboar

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Software Engineer

OPERR TECHNOLOGIES, INC.

Jul 2019 - Jun 2020 (1 year)

At OPERR, the first licensed Dispatch Service Provider in NYC for non-emergency medical transportation (NEMT), I helped build and scale their core transportation management platform, supporting dispatching, real-time billing, and fleet management across the city 🔧 Key Contributions & Achievements: • Developed backend services using Spring MVC/Boot and Spring Security, powering dispatch workflows, user roles, billing, and dynamic trip scheduling. • Designed microservices to process real-time vehicle dispatch, GPS tracking, digital phone integration, and call routing—supporting efficient NEMT operations with regulatory compliance . • Implemented Kafka event streams to handle high-throughput data pipelines for trip updates, billing events, an

JavaScript Web Extractor

Jeeng Ltd

Mar 2019 - Nov 2019 (9 months)

At Jeeng Ltd, I was responsible for designing and developing advanced web scraping solutions to extract critical data from diverse web sources. This role required building and maintaining robust, scalable, and efficient JavaScript-based scrapers that could handle complex site structures, anti-bot measures, and dynamic content. 🔧 Key Contributions & Achievements: • Engineered custom web scrapers using VanillaJS and Vue.js, automating data extraction across multiple high-traffic websites. • Developed reusable modules and dynamic selectors to adapt to constantly changing website structures, ensuring continued data integrity. • Implemented headless browser automation (via Puppeteer) to bypass dynamic content loading and scraping restrictions,

Web Production @ FinanceBuzz

Launch Potato

Feb 2019 - Feb 2020 (1 year 1 month)

At Launch Potato, I contributed to FinanceBuzz, a major personal finance and lifestyle blog, by streamlining their CMS and ensuring efficient content management and publishing workflows. 🔧 Key Contributions & Achievements: • Designed, maintained, and enhanced the Django CMS backend to support content creators in posting, editing, and managing financial blog articles efficiently. • Developed custom Django models to handle dynamic content types, SEO metadata, and editorial workflows. • Implemented RESTful APIs in Django to connect the CMS with external analytics and marketing tools. • Built CI/CD pipelines for automated testing and deployment, ensuring zero downtime for critical content updates. • Collaborated closely with content teams to t

Software Engineer

Selvin Co

Sep 2018 - Jan 2020 (1 year 5 months)

At Selvin Co, I was deeply involved in the design, development, and deployment of multiple web applications, with a strong emphasis on backend development and seamless integration with CraftCMS. I contributed significantly to high-profile projects like moneywise.com, a financial literacy platform that demanded a robust and scalable architecture. 🔧 Key Contributions & Achievements: • Architected and implemented backend services using Node.js, delivering RESTful APIs to support dynamic front-end applications. • Integrated and extended CraftCMS to manage content effectively across multiple client projects, ensuring both flexibility and maintainability. • Developed modular, reusable components in Vue.js, React.js, and Nuxt.js, improving user e

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Data Quality Analyst & Researcher

Data Research Company

Jul 2018 - Jul 2019 (1 year 1 month)

At Data Research Company, I was instrumental in analyzing, validating, and ensuring the integrity of critical data sets gathered from diverse and dynamic online sources. I developed and maintained sophisticated scrapers to automate data collection from both open and restricted-access websites. 🔧 Key Contributions & Achievements: • Designed and implemented robust web scrapers using Python and Node.js, integrating advanced authentication flows (OAuth, session cookies) to extract data from social media platforms and other secure sources. • Conducted thorough data validation and quality checks to ensure the accuracy and reliability of scraped data before integrating it into production systems. • Built data transformation pipelines that standar

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Salesforce Developer & Consultant

Mar 2018 - Jan 2019 (11 months)

As a Salesforce Developer & Consultant at AZX Sport, I played a critical role in bridging complex business requirements with Salesforce integrations, focusing on backend development, API integrations, and ensuring smooth data exchanges between systems. 🔧 Key Contributions & Achievements: • Architected and implemented Rootstock ERP integration with Salesforce, enabling seamless data synchronization between sales, finance, and inventory systems. • Developed a custom middleware application using Java and APEX that automated data exchanges via Salesforce’s robust REST and SOAP APIs, ensuring data integrity and reducing manual intervention. • Designed and implemented Salesforce workflows, triggers, and Apex classes to automate business processe

Software Engineer

Workspace InfoTech Limited

Dec 2017 - Oct 2020 (2 years 11 months)

At Workspace Infotech, I worked as a Full-Stack Engineer with a strong backend focus. I delivered complex solutions for enterprise clients in the USA and Australia, specializing in real estate applications, E-commerce ERP systems, and mission-critical integrations. 🔧 Key Contributions & Achievements: • Architected and developed a multi-tenant real estate management platform with dynamic property listings, geolocation-based search, and real-time data pipelines. Leveraged Spring Boot, Python Flask, Node.js, and GraphQL to ensure seamless frontend interactions. • Led the design and development of a modular E-commerce ERP featuring inventory management, advanced order processing, multi-currency support, and tax modules. Built highly concurrent

Software Engineer

Intoiit Bangladesh Ltd

Mar 2016 - Dec 2017 (1 year 10 months)

At Intoiit Bangladesh Ltd., I served as a key backend developer, contributing to complex ERP and hospital management systems that streamlined operations for high-profile clients including the Bangladesh Army. 🔧 Key Projects & Achievements: • Kurmitola Golf Club ERP: Developed a modular ERP solution using Java Spring Boot and CodeIgniter for managing memberships, tee time reservations, payments, and course maintenance. Ensured the system was scalable, secure, and easy to maintain. • Rangpur CMH (Hospital Management System): Architected and implemented backend services and APIs with Spring Boot, CodeIgniter, PostgreSQL, and MongoDB. Features included patient records management, appointment scheduling, pharmacy management, and analytics dashb

Nazmul Hoque Khan

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