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Senior Full-Stack Software Engineer · 8+ yrs

Abbas Ali Lokhandwala

Building production applications with TypeScript, React & Node.js across fintech, blockchain and AI.

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STACK
TypeScript · React · Node.js
CHAINS
EVM · Cosmos · SOL · BTC
AI
Claude · Groq · Bedrock

01 · About

Building applications from schema to production.

I’m a full-stack software engineer with 8+ years of experience building production applications across fintech, blockchain, AI, and developer platforms.

I own database schemas, backend APIs, React interfaces, integrations, testing, and deployment. I’ve built indexing pipelines covering 20+ bridge protocols across 15+ chains and led a 12-person frontend engineering team.

Education: Master of Technology in Computer Science, Medicaps University · May 2013 – May 2017.

PORTFOLIO.STATS UTC 00:00:00
  • Years Experience 0+
  • Bridge Protocols Indexed 0+
  • Chains in Bridge Pipeline 0+
  • Frontend Team Members Led 0
▲ Fintech▲ Blockchain▲ AI▲ Data

02 · Experience

The career blockchain.

Production applications, data pipelines, wallet integrations, and engineering leadership.

  1. BLOCK #05 · CONFIRMED ✓

    Range Security

    Software Engineer — Blockchain Security & Risk Intelligence

    • Built a cross-chain bridge indexing and reconciliation pipeline covering 20+ bridge protocols across 15+ chains, including IBC transfer exploration and unified payments indexing.
    • Migrated a blockchain investigation platform’s data layer to Neo4j and Elasticsearch; added balances for XRPL, XRPL EVM, Solana, Cosmos, and ZigChain.
    • Improved high-volume transfer API performance with ClickHouse and implemented multisig and Safe account risk classification.
    • Built a cross-chain swap product from an empty repository with EVM and Solana wallets, transaction hooks, and recipient risk screening before execution.
    • Shipped wallet payment links, Cosmos indexing, support tooling, PagerDuty integrations, and Playwright end-to-end coverage.
    • Neo4j
    • Elasticsearch
    • ClickHouse
    • IBC
    • Solana
    • Playwright

  2. BLOCK #04 · CONFIRMED ✓

    Portal

    Web3 / Full-Stack Developer

    • Built production wallet features for browser and mobile, including Cardano support, manual multisig signing and broadcasting, and arbitrary Cosmos chain support.
    • Integrated MoonPay fiat on-ramp and off-ramp flows, Chrome Side Panel messaging, and secure smart-contract interactions into a browser wallet extension.
    • Delivered Network Explorer features for ANAME search, registration, permissions, staking, and validator workflows.
    • Led server-side rendering performance work and owned an internal machine learning discovery platform across schemas, APIs, on-chain integrations, and UI.
    • Developed a multi-network browser wallet and SDK functionality for Bitcoin–Ethereum cross-chain swaps; worked with Bitcoin and Lightning development environments.
    • React
    • Cosmos SDK
    • Cardano
    • MoonPay
    • Bitcoin
    • Lightning

  3. BLOCK #03 · CONFIRMED ✓

    Freelance Software Engineer

    Invoxa / Settlr · Rafa · Advice-AI

    • Built AI-powered OCR and document-analysis workflows using Anthropic Claude, Groq, AWS Bedrock, and AWS Textract.
    • Developed financial product features spanning ledger integrations, exchange rates, options trading, real-time ticker updates, watchlists, notifications, and dynamic tax calculation.
    • Claude API
    • Groq
    • AWS Bedrock
    • AWS Textract
    • Trading

  4. BLOCK #02 · CONFIRMED ✓

    Deqode

    Solution Engineer

    • Led a 12-person frontend engineering team delivering decentralized applications and browser extensions across Ethereum and Cosmos.
    • Built responsive React interfaces from Figma designs and contributed to decentralized finance products, including Sentiment.
    • Team leadership
    • React
    • DeFi
    • Ethereum
    • Cosmos

  5. BLOCK #01 · CONFIRMED ✓

    Amdocs

    Software Engineer

    • Developed automation and internal support tools for AT&T billing infrastructure, supporting monitoring, maintenance, and operational efficiency.
    • Awards: Smart-Ops Excellence Award; Best Entry, Global Innovation Drive; Best Newcomer Award.
    • Automation
    • Telecom billing
    • Monitoring

03 · Skills

A graph of connected skills.

Drag to orbit · hover or tap a node to inspect.

  • Frontend
  • Backend
  • Data
  • Blockchain / Web3
  • AI Integrations
  • Wallets
  • Infrastructure & Testing

04 · Capabilities

What I bring to the desk.

05 · Contact

Let's build something that works.

Full-stack engineering across fintech, blockchain, AI, and developer platforms.

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