Jishnu Nandhiath
Verified Expert in Engineering
Software Engineer and Developer
Bengaluru, Karnataka, India
Toptal member since June 18, 2026
Jishnu is a lead engineer with 5+ years of experience in full-stack and cloud infrastructure. He has primary expertise across payment tools, fintech architecture and open source developer tools. And He has extensive experience across languages and frameworks like Django, FastAPI, React, Next.js, Go etc.
Portfolio
Experience
- Full-stack - 5 years
- Python - 5 years
- React - 5 years
- Amazon Web Services (AWS) - 4 years
- PostgreSQL - 4 years
- TypeScript - 4 years
- Django - 4 years
- Google Cloud Platform (GCP) - 4 years
Work Experience
Product Engineer
NeoFi
- Led a team of four engineers to design and implement end-to-end KYC and AML validation pipelines for a fiat-to-token gateway, reducing fraudulent onboarding by 90%.
- Designed and built an event-driven transaction orchestration service, enabling asynchronous blockchain transaction execution and lifecycle tracking.
- Architected and implemented a low-latency investment execution platform enabling simultaneous multi-asset investment workflows with millisecond-level order completion.
- Containerized and optimized real-time orderbook streaming infrastructure, improving streaming efficiency by 50%.
Software Engineer
Tata Consultancy Services
- Built a Python back-end framework that allows our banking customers to remediate failed credit card transactions in the international market.
- Developed an observability dashboard in Splunk, based on logs ingested from a Java Vert.x back end, enabling real-time monitoring, troubleshooting, and operational insights.
- Developed a Slack bot to check the business function availability and stats with ease.
Project History
Kuberns: PaaS Platform
https://kuberns.com/ROLES AND RESPONSIBILITIES
• Designed a scalable compute allocation system for dynamic EC2 provisioning, enabling efficient workload scheduling and resource management across multiple customer projects.
• Implemented an end-to-end deployment engine handling project builds, artifact management, environment provisioning, and application rollouts through a unified developer experience.
• Developed a Prometheus-based monitoring and alerting framework with custom metric aggregation and query-driven alert policies, improving platform observability and operational reliability.
Bulkoid: SMMA Service
https://bulkoid.com/ROLES AND RESPONSIBILITIES
• Designed and implemented payment routing and transaction processing systems, enabling reliable subscription and campaign billing operations.
• Built scheduled automation pipelines using Bash and Crontab to manage campaign lifecycle events, reporting, account maintenance, and background processing tasks.
• Optimized database design and API performance in MySQL and Flask, improving system scalability and operational efficiency as the platform grew.
• Collaborated on a product strategy and experimentation, running A/B tests and implementing data-driven enhancements that increased feature adoption and overall platform engagement.
• Developed multi-domain routing based on incoming requests.
Elite QR: QR AS A SERVICE
https://eliteqrcode.com/Built a bulk file pipeline on S3 using presigned URLs for direct client-to-bucket uploads, offloading transfer load from the application servers and handling [large/multi-part] files without tying up request threads.
Implemented secure payment routing with Stripe, including idempotent webhook handling for async payment confirmation and per-tenant routing so charges resolved to the correct account.
Organized storage and access by tenant, enforcing isolation at the Amazon S3 key/prefix level and scoping all file access through signed, time-limited URLs.
Education
Bachelor's Degree in Electronics Engineering
TKM College of Engineering - Kollam, India
Certifications
Azure AZ-900
Microsoft
Skills
Libraries/APIs
Asyncio, React, Node.js, Claude API, SQLAlchemy, REST APIs, Google Maps API, GraphQL API, Stripe, OpenAI API, Pydantic, Pandas, jQuery, Stripe API, Django ORM, WebRTC
Tools
Celery, Git, GitHub, Claude, Claude Code, Terraform, Amazon CloudFront, SonarCloud, Splunk, Amazon Simple Email Service (SES), AWS IAM, Google AI Platform, Sentry, Docker Compose, Google Kubernetes Engine (GKE), NPM, BigQuery, GitLab, GitLab CI/CD, GitLab Runner, Kubectl, Agora
Languages
Python, Go, TypeScript, JavaScript, SQL, HTML, CSS, GraphQL, CSS3, Bash, Solidity, Java, Python 3
Frameworks
Flask, Django, Django Channels, Angular, Next.js, Tailwind CSS, JSON Web Tokens (JWT), AWS HA, LangGraph, Flutter, Material UI, Electron, React Native, Express.js, Windows PowerShell, Django REST Framework, Django Ninja, Starlette, Alembic, Bootstrap
Paradigms
API Architecture, Agile, Role-based Access Control (RBAC), Microservices, Testing, Refactoring, DevOps, Model Context Protocol (MCP), ETL, B2B, Database Design, Real-time Systems
Platforms
Docker, Amazon Web Services (AWS), Google Cloud Platform (GCP), Windows, Linux, Vertex AI, Firebase, Netlify, Mobile, Kubernetes, LangSmith, Azure, DigitalOcean, PostHog, Amazon EC2
Storage
PostgreSQL, Redis, Amazon S3 (AWS S3), Databases, Cloud Deployment, NoSQL, Database Management, MySQL, InfluxDB, Couchbase, Google Cloud SQL, Google Bucket
Industry Expertise
Cybersecurity, Healthcare
Other
FastAPI, OpenAI, Django REST, Agentic AI, Anthropic, Full-stack, Architecture, Authentication, Full-stack Development, SaaS, Security, APIs, Webhooks, API Integration, Agentic Coding, WebSockets, OAuth, CI/CD Pipelines, Deployment, AI Integration, API Design, Back-end, Back-end Development, Integrations, LLM Integration, Authorization, Database Schema Design, Fintech, Cloud Storage, API Gateways, AI-generated Code, Minimum Viable Product (MVP), Email, Medical Software, Software Development, Software Engineering, Medical Devices, Prompt Engineering, Generative Artificial Intelligence (GenAI), Product Management, Web Development, Observability, Identity & Access Management (IAM), Middleware, RESTFul APIs, Agentic AI Systems, LangChain, Supabase, Content Delivery Networks (CDN), Large Language Models (LLMs), AI Agents, Artificial Intelligence (AI), Gemini, Amazon Bedrock AgentCore, Supabase Auth, Anthropic SDK, Serverless, Know Your Customer (KYC), Know Your Business (KYB), Payments, AI Agent Orchestration, Software Architecture, Data Engineering, Open Source, Machine Learning, Healthtech, Electronic Health Records (EHR), Legacy Code, Technical Leadership, AI Tools, Integration, Anti-money Laundering (AML), Multi-factor Authentication (MFA), Enterprise Architecture, SDKs, Web Application Design, SPL, GitHub Actions, Prometheus, OpenTelemetry, Log4j, Enterprise, Agentic Workflow Design, OpenAI SDK, Amazon RDS, SQL Administration, Boto3, Radix UI, Axios, Foundry, Payment APIs, A/B Testing, Domain DNS Setup, Gemini API, Computer Organization, Dashboards, Real-time Data, Real-time Analytics, Real-time Processing, Finance APIs, Trade Finance, Real-time Streaming, DNS, Google BigQuery, Web Dashboards, Senior Full-stack Engineer
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