1c:I[91296,["/_next/static/immutable/chunks/3kn5le1r81i54.js","/_next/static/immutable/chunks/451yjbpvn-h3q.js","/_next/static/immutable/chunks/3ttclkqz-v06f.js","/_next/static/immutable/chunks/2rpggjya_zs0t.js","/_next/static/immutable/chunks/102s-f27jnapb.js","/_next/static/immutable/chunks/1hrq1e1_aww6y.js","/_next/static/immutable/chunks/02k1-vpp79k3y.js"],"default"] 1d:I[73350,["/_next/static/immutable/chunks/3kn5le1r81i54.js","/_next/static/immutable/chunks/451yjbpvn-h3q.js","/_next/static/immutable/chunks/3ttclkqz-v06f.js","/_next/static/immutable/chunks/2rpggjya_zs0t.js","/_next/static/immutable/chunks/102s-f27jnapb.js","/_next/static/immutable/chunks/1hrq1e1_aww6y.js","/_next/static/immutable/chunks/02k1-vpp79k3y.js"],"default",1] 1e:T1bab,

Blockchain Engineer with 5+ years of software engineering experience building smart contracts, wallet infrastructure, developer tooling and cross-chain applications across Ethereum, Bitcoin and Polkadot. Experienced designing production-ready blockchain systems, SDKs and developer platforms with Rust, Solidity and TypeScript.

- **Smart Contract:** Ink!, Solidity, Bitcoin/CKB Scripts, OpenZeppelin, Foundry, Plutus. - **Protocol Infrastructure:** Wallets, Account Abstractions, Session Auth, Cross-chain, Runtime Integrations. - **Technologies:** Substrate, Viem, Ethers, Polkadot API, Serverless, Postgres, React, Bash, Rust.

## Web3 Projects

### [PolkaBill Protocol](https://github.com/bolajahmad/polkabill-protocol) - A distributed stablecoin-based subscription and payments protocol for EVM wallets Designed a decentralized subscription protocol enabling merchants to accept stablecoin payments directly from users' wallets across multiple EVM-compatible networks without relying on centralized billing providers. - Architected a cross-chain recurring payment protocol coordinating merchant settlement, subscription lifecycle management and wallet-native payment authorization. - Built reusable TypeScript SDKs and merchant integration libraries simplifying protocol adoption across frontend applications and backend services. - Developed a full-stack management dashboard enabling users to manage subscriptions while providing merchants with payment analytics and billing administration. - Designed the protocol architecture to minimize cross-chain settlement latency while preserving verifiable payment execution and user ownership of funds. *Expertise: Smart Contracts, Cross-chain Systems, Wallet, SDK Development, Solidity, React*

### [Decentralized Agentic Payments](https://github.com/bolajahmad/decentralized-agentic-payment) - Machine-native payment infrastructure for autonomous agents Designed a payment protocol enabling AI agents to securely purchase APIs and digital services through user-controlled wallet authorization and verifiable on-chain settlement. - Implemented Solidity smart contracts supporting session-scoped authorization and programmable spending limits for autonomous agents. - Designed a proof-based settlement mechanism reducing on-chain transaction overhead through batched payment commitments while preserving payment verifiability. - Built JavaScript SDKs and CLI tooling allowing wallet owners to configure, monitor and audit agent payment activity in real time. - Integrated the protocol with LLM-driven agent workflows, enabling autonomous payment execution through conversational interfaces and developer tooling. *Expertise: Account Abstraction, Wallets, Session Auth, Solidity, SDK, Development, x402, MCP, Express, Goldsky/TheGraph*

### [PVM Runtime Precompiles](https://github.com/bolajahmad/dot-crypto-precompiles-primities) - Developer tooling for Substrate-native runtime cryptography. Built developer tooling exposing native runtime cryptographic precompiles to Solidity developers, enabling access to advanced cryptographic operations without reimplementing them inside smart contracts. - Developed Rust libraries implementing encoding, decoding and payload generation for BLS12-381, Schnorr signatures and additional runtime cryptographic primitives. - Built Solidity helper libraries exposing strongly typed interfaces for runtime precompiles, significantly simplifying contract integration with native runtime functionality. - Designed reusable CLI tooling generating deterministic payloads, test vectors and validation data for smart contract development and protocol testing. - Improved the developer experience for Revive-compatible runtimes by providing a complete tooling layer spanning Solidity libraries, Rust crates and command-line utilities. *Expertise: Runtime Engineering, Cryptography, Rust, Solidity, Developer Tooling, Polkadot SDK*

## Professional Experience

### Lead Frontend Engineer **Smarkt** Jan 2025 — Nov 2025 - Led frontend development across blockchain products, designing production interfaces for wallet connectivity, token trading and on-chain asset management. - Built user workflows for the Coinnekt ERC-20 ecosystem including token purchases, staking, liquidity provisioning and portfolio management. - Established reusable frontend architecture and integration patterns that accelerated delivery across multiple blockchain products.

### Blockchain Engineer **RegionX** Jul 2025 — Oct 2025 - Built a Rust-based notification service monitoring Polkadot Coretime events using SubXT and Substrate APIs. - Developed full-stack features supporting RegionX's Coretime marketplace, integrating React interfaces with Rust backend services.

### Software Engineer **Outliant** 2022 — 2024 - Built production web applications spanning e-commerce, digital assets and immersive virtual experiences using React, TypeScript and AWS. - Contributed to early blockchain initiatives including NFT marketplaces, wallet integrations and digital asset management during the emergence of Ethereum NFT ecosystems. - Developed scalable serverless APIs and cloud infrastructure supporting customer-facing applications while improving deployment automation and operational reliability.

## Open Source & Contributions

### Open Source **[Polkadot SDK](https://github.com/paritytech/polkadot-sdk/pulls/bolajahmad)** - Contributed improvements to runtime development tooling, XCM weight generation, procedural macros and developer experience within the Polkadot SDK. **Fiber Network** - Contributed infrastructure improvements and explored developer tooling around watchtower services, wallet integrations and payment network infrastructure. ### Technical Writing ([Portfolio](https://vercel.com/bolajahmads-projects/portfolio-app/8mTzwq1yhYb1FcVN1GvEradbVY69/writing)) Published technical articles covering blockchain protocols, smart contracts, cryptography and developer tooling across Ethereum, Bitcoin, CKB and Polkadot. ### Technical Programs **_Bitshala Bitcoin Bootcamp_**: - Implemented Bitcoin transactions, Script execution, wallet generation and protocol internals through Rust-based engineering exercises.

1f:T1c02,

Developer Relations Engineer with a background in Blockchain Engineering specializing in developer onboarding, technical education, and developer tooling for blockchain ecosystems. Experienced designing curricula, building reference implementations, authoring technical documentation, and delivering hands-on workshops that help developers move from first exposure to production-ready applications. Combines software engineering with developer advocacy to improve developer experience, ecosystem adoption, and community growth.

- **Languages:** Rust, Typescript, Haskell, Solidity, Bitcoin Scripts, CKB Scripts. - **Blockchains:** Ethereum, Bitcoin, Polkadot, Nervos/CKB, Substrate, EVM. - **Developer Experience:** Documentation, Curriculum Design, Developer Tooling, Live Coding.

## Professional Experience

### Developer Advocate **Polkadot Africa** Oct 2025 - Jan 2026 - Designed and delivered technical workshops across **Nigeria and Ghana**, introducing developers to the Polkadot ecosystem through hands-on sessions covering smart contracts, runtime concepts and developer tooling. - Authored technical articles explaining new ecosystem capabilities, including Polkadot 2.0, `pallet-revive`, smart contract development and emerging developer workflows, helping simplify complex protocol concepts for ecosystem developers. - Mentored developers participating in ecosystem hackathons through architecture reviews, implementation guidance and technical support, contributing to multiple teams progressing to prize-winning blockchain projects. - Developed practical learning materials, reference implementations and workshop resources that reduced onboarding friction for developers building with Ink!, Solidity, Rust and the Polkadot SDK. - Represented the ecosystem at conferences, workshops and community events, acting as a technical bridge between protocol engineering teams and application developers while gathering feedback to improve the developer experience.

### Developer Mentor **Dapps Over Apps** 2024 - Present - Mentored Web2 software engineers transitioning into Web3 through community-led workshops covering blockchain fundamentals, smart contract architecture and decentralized application development across Ethereum, Polkadot, NEAR and Substrate ecosystems. - Designed and delivered a live two-part Rust and Ink! smart contract workshop series attended by **50+ developers**, building a complete decentralized application from scratch while demonstrating implementation, testing, benchmarking and frontend integration. - Facilitated interactive live coding and debugging sessions, helping developers understand engineering trade-offs and problem-solving techniques rather than simply reproducing tutorial code.

### Blockchain Instructor (Contract) **Web3Bridge Bootcamp** Oct 2025 - Designed and delivered a two-week intensive blockchain engineering curriculum covering Rust, Ink!, Solidity, React, PAPI and full-stack decentralized application development for both in-person and remote participants. - Developed structured learning materials, practical labs and end-to-end reference implementations that guided developers from blockchain fundamentals to building complete smart contract applications. - Taught advanced smart contract engineering concepts including contract architecture, security considerations, gas optimization, testing, benchmarking and frontend integration through live coding demonstrations. - Guided participants through debugging real implementation challenges during interactive sessions, helping developers build confidence in diagnosing and solving production-oriented engineering problems.

## Developer Enabling Projects ---

### Rust & Ink! Smart Contract Starter Series Developer Onboarding | Smart Contracts | Rust - Designed and delivered an introductory learning pathway helping Web2 developers transition into Rust-based smart contract development on Polkadot using Ink!. - Created a complete workshop curriculum, live coding demonstrations and reusable GitHub examples covering project setup, contract architecture, testing, deployment and frontend integration. - Built a production-style Todo List decentralized application from scratch during live sessions, guiding developers through implementation decisions, debugging and development workflows rather than scripted demonstrations.

### Full-Stack Blockchain Development Curriculum Curriculum Design | Developer Education | Developer Experience - Designed a comprehensive two-week blockchain engineering curriculum enabling developers with Rust and Solidity experience to build production-ready decentralized applications on Polkadot. - Structured progressive learning modules covering contract storage, balances, gas optimization, wallet interactions, frontend integration with PAPI, cross-contract communication and cross-chain messaging. - Guided developers from foundational runtime concepts to independently building proposal voting decentralized applications deployed on Paseo Asset Hub, reinforcing complete end-to-end development workflows.

### PVM Runtime Cryptographic Developer Toolkit Developer Tooling | Runtime Infrastructure | Developer Experience - Built developer tooling that simplified access to runtime-hosted cryptographic precompiles from Solidity smart contracts, improving the developer experience for teams building on revive-compatible runtimes. - Explored developer ergonomics around runtime-hosted cryptographic primitives, focusing on reducing onboarding friction and improving adoption of emerging protocol capabilities.

### Technical Writing ([portfolio](https://yourwebsite.dev/writing))

Published technical articles and implementation guides covering, React application architecture,Smart contracts development with Rust and ink!, Blockchain account models and UTXO systems, Data encoding for applications, Frontend integration with blockchain SDKs/wallets. [Read them here](https://portfolio-app-pi-red.vercel.app/writing). ### Speaking & Workshops ([Portfolio](https://yourwebsite.dev/community))

I participate in community events where I get to speak about interesting blockchain concepts, guide into building blockchain applications, public building and also organized other Workshops. [Read them here](https://portfolio-app-pi-red.vercel.app/community).

20:T203b,

**Senior Frontend Engineer** with over five years of experience building production web applications and leading frontend architecture across fintech, SaaS, and blockchain products. Experienced delivering end-to-end features spanning modern React applications, backend APIs, cloud infrastructure, and developer tooling, with a strong focus on performance, maintainability, and user experience.

## Core Competencies

**Focus Areas:** Frontend Architecture, Backend APIs, System Design, Database Design, CI/CD, Dev Experience, Technical Leadership, Product Engineering. **Frontend:** React, NextJS, Typescript, Vite, Angular, State Management, Viem/Wagmi, PAPI. **Backend:** NodeJS, Express, NestJS, REST, GraphQL, TypeORM, Prisma, PostgreSQL, MongoDB, MySQL. **Infrastructure**: Docker, Serverless, CI/CD, AWS, Coolify, Hetzner, Ethereum, Polkadot, Wallet Integration, Smart Contracts.

## Professional Experience

### Lead Frontend Engineer **[Smarkt](https://smarkt.tech/)** Aug 2024 — Oct 2025 - Led a frontend team of 2-3 engineers within a cross-functional squad (including design) to build reusable Web3 infrastructure for wallet connection, account management, transaction execution and blockchain state synchronization, improving both developer productivity and end-user experience. - Partnered with Protocol and backend engineers to ship a production ERC-20 token exchange on Polygon that has facilitated #30M+ in on-chain token transactions, while designing a streamlined wallet authentication and session system that minimized unnecessary signature prompts without compromising security.

### Software Engineer **[Outliant](https://www.outliant.com/)** Jan 2022 — Mar 2024 - Led frontend development of [Trust20](https://portfolio-app-pi-red.vercel.app/projects/trust20) from its earliest stages (React/Vite, AWS serverless, PostgreSQL, Stripe), building the course-purchase and payment flow that onboarded tens of thousands of users and drove $100K+ in course revenue. - Built and maintained the customer-facing web application for Culligan — a company serving 170M+ customers worldwide — architecting the frontend for resilience and reliability under enterprise-scale traffic. - Designed reusable frontend architecture, component systems and integration patterns for applications embedded into Webflow, establishing implementation standards that improved maintainability and streamlined collaboration between engineering, design and content teams. - Delivered production features spanning payment processing, webhook-driven workflows, notifications, newsletters, customer management and e-commerce integrations by collaborating closely with backend engineers building AWS Lambda, SQS and REST API services. - Led frontend implementation across multiple client engagements including SaaS platforms, Shopify applications, blockchain products and enterprise websites, integrating technologies such as Shopify APIs, Contentful CMS, Blockfrost, The Graph and IPFS while adapting architecture to diverse business domains. - Built NFT marketplace interfaces and applications interacting with smart contracts, IPFS, and on-chain metadata across multiple blockchain ecosystems.

### Frontend Engineer **[Firstbank of Nigeria](https://firstbillspay.com/) (Digital Labs)** Jan 2021 — Nov 2021 - Designed and implemented a secure embedded React application delivered through an iframe, establishing reliable cross-window communication between independent applications while preserving authentication boundaries and protecting sensitive customer information. - Maintained and enhanced customer-facing React applications, improving performance, usability and maintainability while extending features across a multi-portal architecture serving both customers and merchant partners. - Designed a secure embedded application architecture enabling isolated deployment of independently versioned React applications while maintaining authenticated communication between host and embedded contexts. - Managed frontend deployment pipelines on Azure DevOps, maintaining CI/CD workflows, environment configuration and automated deployments through YAML-based build pipelines to support reliable production releases.

### Frontend Developer (Contract - Part-Time) **[Needle Technologies](https://needletech.ng/#projectsSection)** Sep 2020 — Mar 2021 - Built responsive web applications and administrative dashboards for public sector and enterprise clients using React and TypeScript, contributing to digital transformation initiatives spanning agriculture, financial services and internal business operations. - Developed production dashboard interfaces supporting government-backed farmer registration and loan management programmes, collaborating with cross-functional teams to deliver maintainable frontend architecture and intuitive data management experiences.

## Selected Engineering Projects

### [PolkaBill Protocol](https://portfolio-app-pi-red.vercel.app/projects/polkabill-protocol) - Full-stack subscription infrastructure for blockchain payments Designed and built a subscription billing platform enabling merchants to manage recurring payments across blockchain networks through reusable SDKs, frontend components and production-ready dashboard applications. - Developed a reusable TypeScript SDK abstracting complex blockchain interactions into a simple developer-friendly API for subscription creation, billing management and recurring payment execution. - Built reusable React UI components enabling one-click integration of subscription flows, payment management and customer billing experiences into third-party applications. - Architected the frontend to support cross-chain payment workflows while hiding protocol complexity behind consistent application interfaces, improving both developer experience and end-user usability. *Expertise: Product Engineering, React, Next.js, TypeScript, SDK Design, Developer Experience, Blockchain Integrations*

### [Wandash](https://portfolio-app-pi-red.vercel.app/projects/wandasmeabeg) - Real-time giveaway platform with complex client-side state management. Designed and implemented the frontend architecture for a multiplayer gaming giveaway platform requiring synchronized real-time state, responsive user interactions and scalable application architecture. - Built a modular frontend architecture capable of coordinating multiple concurrent application states while maintaining predictable UI behaviour across gameplay, user sessions and live updates. - Implemented resilient client-side data management strategies to minimise race conditions between asynchronous API requests, optimistic updates and real-time application events. *Expertise: Frontend Architecture, React, TypeScript, State Management, API Design, Performance Optimisation*

## Technical Writing

## Education

**B.Eng Chemical Engineering** University of Ilorin Second Class Upper

21:T17e9,

# Professional Summary Rust engineer transitioning into blockchain protocol and distributed systems engineering. Over the past several years I have built blockchain applications while progressively moving closer to protocol-level development through Bitcoin, CKB and Polkadot ecosystems. My recent work centers around understanding blockchain internals including transaction validation, scripting systems, runtime execution, cryptographic primitives, networking, wallet infrastructure and distributed protocol design. Alongside open source contributions, I regularly document my research, implement protocol experiments and build developer tooling to deepen my understanding of blockchain infrastructure.

---

# Core Competencies - Rust Programming - Blockchain Protocols - Distributed Systems - Runtime Development - Bitcoin Scripts - Wallet Infrastructure - Cryptography - Networking - Protocol Research

---

# Technical Expertise ### Protocol Development Rust, Substrate, FRAME, Runtime Architecture, SCALE Codec, Storage Models ### Bitcoin Transactions, UTXO Model, Bitcoin Script, PSBT, Mempool Analysis, Mining, Nodes ### Networking Fiber Network, Lightning Concepts, Peer-to-Peer Systems, Channel Architecture ### Cryptography Hashing, Commitments, Schnorr Signatures, BLS12-381, Merkle Trees ### Tooling Cargo, Git, SubXT, ckb-cli, Bitcoin Core CLI

---

# Selected Protocol Projects

## PVM Runtime Cryptographic Precompiles **Role** Protocol Infrastructure Contributor **Stack** Rust • Substrate • pallet-revive • Solidity • Cryptography - Built developer tooling exposing native runtime cryptographic precompiles to Solidity contracts. - Designed encoding libraries and helper tooling for Schnorr signatures and BLS12-381 operations. - Improved the developer experience around runtime-hosted cryptographic functionality. - Explored the interaction boundary between runtime execution and smart contract environments.

## Substrate Proof of Existence Runtime (Planned) **Stack** Rust • FRAME • SubXT - Designing a production-oriented FRAME runtime implementing a Proof of Existence protocol. - Exploring pallet architecture, storage layouts, runtime APIs and off-chain interaction through SubXT. - Intended as a practical learning project for runtime architecture and blockchain state management.

## Bitcoin Protocol Exercises **Stack** Rust • Bitcoin Core • Bitcoin Script - Implemented multiple protocol exercises covering Bitcoin transactions, scripting, wallet generation and transaction decoding. - Explored Bitcoin's execution model through practical implementation rather than theory alone. - Studied transaction serialization, signature verification and UTXO validation.

## Fiber Network Infrastructure Research **Stack** CKB • Fiber • Rust - Investigated infrastructure requirements around watchtowers, payment channels and wallet integrations. - Designed concepts for developer tooling simplifying Fiber application development. - Researched channel lifecycle management and off-chain payment infrastructure.

---

# Research, Open Source & Ecosystem Experience

## CKB Builders Program **Nervos Foundation** - Document daily protocol research covering CKB architecture, Cells, Scripts, Fiber Network and RGB++. - Build practical experiments to reinforce protocol concepts. - Share implementation notes and developer documentation.

## BOSS Bitcoin Program - Complete weekly protocol challenges covering Bitcoin cryptography, consensus, scripting and wallet internals. - Study Bitcoin Core concepts through implementation-focused exercises. - Produce detailed technical write-ups documenting protocol understanding.

## Bitshala Bitcoin Development Program - Completed projects implementing Bitcoin transactions, scripts, mining concepts and node interaction. - Studied _Programming Bitcoin_ and _Mastering Bitcoin_ through guided practical exercises. - Built tooling around Bitcoin Core CLI and transaction inspection.

## Polkadot Open Source - Contributed protocol improvements around runtime cryptographic precompiles. - Study FRAME internals, runtime execution and SDK architecture. - Continue contributing tooling and infrastructure improvements.

---

# Open Source & Technical Writing ### Open Source - Polkadot SDK contributions - Runtime cryptographic tooling - Blockchain infrastructure experiments ### Technical Writing - Daily protocol research - Runtime architecture notes - Bitcoin implementation walkthroughs - CKB ecosystem documentation ### Content Creation - Live protocol engineering sessions - Distributed systems discussions - Blockchain architecture deep dives

---

# Research Programs & Technical Communities ### Programs - CKB Builders - BOSS Bitcoin Program - Bitshala — Programming Bitcoin ### Ongoing Study - Bitcoin Core - Fiber Network - Lightning Network - Substrate Runtime Development - Distributed Systems - Consensus Algorithms - Decentralized Storage

---

# Education **B.Eng Chemical Engineering** University of Ilorin Second Class Upper

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Bolaji Ahmad Portfolio