Led development of financial systems for cash collections, deposits, and bank reconciliations, including reusable frameworks for NACHA processing and generic fixed-width file generation

Architected and maintained compliance integrations with federal and state agencies, including IRS 941 quarterly filings, MEF (Modernized e-File), and New York/state-specific specifications

Designed scalable processing systems using concurrency primitives (locks, semaphores) to handle high-throughput workloads reliably

Built internal platforms and tooling to support regulatory workflows, improving reliability and throughput of critical tax and payroll processes

Leveraged AI-assisted development and agent-based tooling to rapidly prototype and accelerate system design and implementation

Led a small engineering team, defining technical specifications and ensuring alignment with compliant system architecture standards

Drove end-to-end delivery across the software development lifecycle, from requirements through deployment and maintenance

Conducted code reviews and mentored engineers, improving code quality and team effectiveness

Designed and maintained system architecture with a focus on ACA compliance, ensuring regulatory accuracy and reliability in payroll systems

Designed and implemented WCF services supporting core payroll and HCM functionality, enabling scalable management of employee and payroll-related data

Built internal code generation tools and automation pipelines to improve developer productivity, including automatic conversion of backend DTOs into TypeScript entities

Developed and maintained authentication systems, including OpenID integration and multi-factor authentication workflows

Created reusable front-end components and page architectures to standardize UI development and accelerate feature delivery

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Led and supported deployments of AMM protocols, including Uniswap V2/V3-style architectures

Integrated with external partners across lending, bridging, and routing systems to optimize liquidity aggregation and execution

Designed and implemented custom smart contracts, including Uniswap V4-style architectures and extensible protocol components

Built advanced account abstraction systems using ERC-4337, ERC-2535 (Diamond Proxy), and ERC-712 signatures, including custom RPC layers for ERC-1193-compatible wallet interactions and batched transaction support

Developed custom DAO governance systems supporting multi-choice voting and flexible proposal structures

Implemented zero-knowledge proof systems (Groth16) for anonymous on-chain voting

Collaborated with leading protocols and organizations, including Uniswap Foundation (grant recipient), and consulted for AMMs such as QuickSwap and SpookySwap

Designing content management systems

Architecting database design

Implemented audit log which sits on top of entity framework

HTML5 and bootstrap design

Server and client validation

Caching

Ajax