Open to Web3 roles
Harpreet Singh
@0xharp
Full-stack engineer. 8.5+ years building enterprise platforms.
Now shipping on Solana. Bounty winner, M.Sc. Blockchain.
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Harpreet Singh
@0xharp
open to work
- 8.5+ yrs · enterprise engineering
- OWSOps · 1st prize
- LazorKit · 1st prize
- M.Sc. Blockchain · IIIT-B × LJMU
- B.Tech CS · PEC Chandigarh
Architecture Stack
> _initialize_stack
Web3: [Solana, TypeScript, Next.js, Anchor, Rust]
Backend: [Java, Spring Boot, Microservices, Kong]
Cloud: [AWS EKS, Docker, Kubernetes, PostgreSQL]
> Status: Optimal
Hackathons & Bounties
Solana ecosystem builds, shipped and judged.
OWS Hackathon · 1st Prize
OWSOps · Spend Governance
Local-first ops dashboard for the Open Wallet Standard.
- Manages AI agent wallets without ever touching private keys.
- Unified policy engine: per-agent budget caps, chain restrictions, daily/monthly limits.
- Three approval modes: Auto, Veto Window (real-time WebSocket alerts), Strict (human-in-the-loop).
- Shipped as `npx ows-ops` with spend analytics, live activity feed, and a transaction playground.
Superteam Bounty · 1st Prize
LazorKit Cookbook
8-recipe developer cookbook for the LazorKit SDK.
- Passkey-based wallet creation, gasless USDC transfers, Raydium DEX swaps.
- Metaplex NFT minting (standard + compressed cNFTs) and Marinade liquid staking.
- React Native mobile app with deep linking and gasless transactions.
- Subscription billing recipe with token delegation and backend automation.
Superteam Bounty · 3rd Prize
Superteam Academy
Full-stack LMS for Solana developers, built for the Superteam Brazil bounty.
- Monaco code editor with live Rust + TypeScript test execution and pass/fail feedback.
- Soulbound XP via Token-2022 and Metaplex Core credential NFTs that upgrade per learning track.
- On-chain enrollment plus leaderboard synced from devnet via Helius DAS (no mocks).
- Multi-auth (Solana SIWS, Google, GitHub) with account linking; 3 themes including Brasil; EN/PT-BR/ES i18n.
Institutional Architecture
Tier-1 Indian Private Bank
ConfidentialSDE 3, Platforms Engineering
May 2024 - Present
Primary Deliverable
DPDPA Privacy Compliance Platform
Highlight
Scale: 50M+ customers, 1B+ consent records under management.
- Architected in-house Consent Management Platform and ROPA system.
- Kong API Gateway on AWS EKS for service mesh, inter-service routing, and rate limiting.
- Built consent lifecycle, data principal rights workflows, and audit-trail processing registry.
- CMP serves multiple data principal categories: customers, prospects, employees, and vendors.
JavaSpring BootAWS EKSKong GatewayAurora PostgreSQLMicroservices
Goldman Sachs
Vice President, Engineering
Jan 2023 - Apr 2024
Primary Deliverable
Enterprise Risk Management Framework
Highlight
Foundational tech lead for firmwide non-financial risk.
- Designed the enterprise risk framework from scratch.
- Built taxonomy and inventory tooling for Firm Activities, Business Processes, Risks, and Controls.
- Modeled complex inter-entity linkages mapped to firm risks and controls.
- Shipped Issues & Findings MVP collating IA, Regulatory, and Compliance findings.
JavaSpring BootSpring BatchReactJSSybase ASEReladomo
Goldman Sachs
Associate / Analyst, Engineering
Jun 2017 - Dec 2022
Primary Deliverable
Operational + Model Risk Management Platforms
Highlight
Entitlements: 50,000+ entities, 2,000+ users, 10+ roles.
- Replaced a vendor Op Risk tool, migrating all historical data.
- Built RCSA and SOX workflows: Inventory, Assessments, Certifications, Challenge.
- Periodic ETL from Sybase ASE (OLTP) to Snowflake (OLAP) for firmwide risk analytics.
- Earlier: model lifecycle (inventorization, attestation, validation) with Hadoop + Sybase + Tableau reporting.
JavaSpring BootSpring BatchReactJSSybase ASESnowflakeHadoopHive
Let's build
Hiring for Web3?
Open to senior backend, full-stack, and protocol engineering roles in the Solana ecosystem and beyond.
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