Hi, I'm Manoj Mishra
Principal Engineer • Full-Stack Engineer • AI/ML Integration
12+ years of experience architecting and scaling high-performance enterprise platforms, processing over $500M in secure transactions. Specializing in Ruby on Rails, React, and AWS, with a focus on AI/ML integration.
About Me
Principal Engineer and Full-Stack Developer with 12+ years of experience in architecting and scaling high-performance enterprise platforms, processing over $500M in secure transactions. Specializing in Ruby on Rails, React, and AWS, with a recent focus on AI/ML integration (RAG Pipelines, LLM Fine-Tuning) to drive innovation.
Proven success in technical leadership, strengthening DevOps/TDD culture, reducing infrastructure costs by up to 35%, and consistently achieving high availability (up to 99.9% uptime). Strong open-source contributor, passionate about building robust engineering tooling.
Based in Noida, Uttar Pradesh, I'm always exploring new technologies, contributing to open-source projects, and sharing knowledge with the developer community.
Skills
Languages
Frameworks & Frontend
Databases & Storage
DevOps & Infrastructure
Queues & Workers
AI/ML
Experience
Principal Engineer
Bold Technologies (FlexJobs)
Sep 2023 – Present
- Led the modernization and optimization of a high-traffic Rails 7 monolith, achieving 99.9% uptime for 50,000+ job seekers
- Reduced AWS infrastructure costs by 35% through strategic Docker containerization and resource tuning
- Mentored a team of 5, strengthened TDD culture (RSpec/Jest), reducing bugs by 30% and increasing release velocity by 25%
- Achieved 65% faster API responses through MySQL tuning and Cloudflare caching
- Built premium job-filtering UX using Vue.js, boosting application conversions by 18%
- Designed and implemented RAG-based internal tools using OpenAI embeddings and Chroma vector DB, enabling semantic search and automated content retrieval
Tech: Rails, Next.js, Vue.js, MySQL, Docker, AWS S3/ECS
Full Stack Engineer
SpacedVentures
Apr 2020 – Apr 2023
- Architected a high-security React and Rails fintech platform that processed $500M+ in investment capital for 10,000+ investors with zero security or operational incidents over three years
- Integrated FundAmerica & NorthCapital APIs; cut transaction processing time by 45%
- Achieved 85% code coverage via RSpec + Jest, reducing production bugs by 30%
Tech: Rails, React, PostgreSQL, Redux, Docker, AWS
Full Stack Engineer
Kognitive Corporation (Crowdmatrix)
Apr 2017 – Mar 2022
- Built investor platform enabling $100M+ in diversified allocations
- Implemented TDD pipelines (RSpec/Jest) reaching 90% coverage, reducing defect leakage by 40%
Tech: Rails, React, MySQL, Docker, AWS
Team Lead
Josh Software Pvt Ltd (Brandscope)
Jul 2013 – Apr 2016
- Led team of 8 to deliver a fashion e-commerce platform increasing checkout conversions by 40%; drove $10M+ annual sales
- Introduced engineering standards improving code quality by 50%
- Created multi-tenant SaaS architecture supporting 10 clients, cutting deployment complexity by 60%
Tech: Rails, jQuery, MongoDB, Nginx, Passenger, AWS
Software Engineer
Josh Software Pvt Ltd (Sprycer)
Apr 2012 – Jun 2013
- Built large-scale price comparison engines with crawling, scraping, and analytics layers
- Adopted TDD using RSpec for reliability and correctness
Tech: Rails, MongoDB, Elasticsearch, Redis, Angular.js, AWS
Projects
Job Seeker Platform & RAG Tools
Bold Technologies (FlexJobs)
2023 - Present
Led modernization of high-traffic Rails 7 monolith achieving 99.9% uptime for 50,000+ job seekers. Built premium job-filtering UX using Vue.js, boosting conversions by 18%. Designed RAG-based internal tools using OpenAI embeddings and Chroma vector DB.
Fintech Investment Platform
SpacedVentures
2020 - 2023
Architected a high-security React and Rails fintech platform that processed $500M+ in investment capital for 10,000+ investors with zero security or operational incidents. Integrated FundAmerica & NorthCapital APIs, cutting transaction processing time by 45%.
Investor Diversification Platform
Kognitive Corporation (Crowdmatrix)
2017 - 2022
Built investor platform enabling $100M+ in diversified allocations. Implemented TDD pipelines (RSpec/Jest) reaching 90% code coverage, reducing defect leakage by 40%.
Fashion E-Commerce Platform
Josh Software (Brandscope)
2013 - 2016
Led development of a fashion e-commerce platform that increased checkout conversions by 40%, driving $10M+ annual sales. Created multi-tenant SaaS architecture supporting 10 clients, cutting deployment complexity by 60%.
Price Comparison Engine
Josh Software (Sprycer)
2012 - 2013
Built large-scale price comparison engines with crawling, scraping, and analytics layers. Adopted TDD using RSpec for reliability and correctness.
Open Source Projects
Contributing to the open-source community with tools and applications focused on AI/ML integration, developer productivity, and innovative solutions.
Bitbucket PR Review Extension
GPT-powered AI code review tool that automates code review processes using advanced language models. Helps developers get instant feedback on pull requests with intelligent analysis and suggestions.
Grok Everywhere
Chrome extension for Grok API integration, enabling seamless access to Grok functionality across the web. Provides AI-powered assistance directly in the browser.
InsureLLM RAG Assistant
A Retrieval-Augmented Generation (RAG) chatbot application built with LangChain, Chroma, and Gradio. Enables intelligent document retrieval and question answering for insurance-related queries using semantic search.
Sourcemap Decoder
A Node.js package to decode sourcemaps and map minified positions to their original positions. Helps trace back minified JavaScript code to its original source code using source maps with CLI and programmatic interfaces.
Get In Touch
I'm always open to discussing new projects, creative ideas, or opportunities to be part of your visions.
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