Open to software, product, and applied AI engineering roles · New Jersey, USA
Jefrey Peralta · Software Engineer · Full-Stack Systems · Applied AI
I turn operational problems into production software and AI systems.
I spent years operating businesses that ran on spreadsheets, CRMs, and duct tape. Now I build the software those operations deserve: payment infrastructure, internal tools, and AI systems, carried from discovery and architecture through deployment and operation.
Production fintech platform, launched and operated live
Payments, payouts, and reconciliation shipped
Internal operations software in daily use
AI features running in a real product
Deployments
Systems built inside the operations they run.
The admin Command Center, one operating view of the whole business. Synthetic data.
Production deployment · Financial operations
Velocity Platform
Operated in production, May to July 2026
The problem
Running the evaluation business required checkout, trader accounts, market data, risk enforcement, payments, payouts, and internal operations to work as one system.
The outcome
One production platform handled the customer and operational lifecycle from signup through trading and payout review.
The public face of Velocity Funds: a scroll-driven launch site that is also real infrastructure, with lead capture wired into the platform CRM and consent-gated analytics. Live, and you can click it.
Five-act scroll-cinematic homepage with GSAP ScrollTrigger and lazy-loaded three.js
Server-side lead capture proxying into the platform CRM with a service token
Requirements drawn from doing the work: I've run the collections, trading, and CRM workflows I build for.
collections ops · trading ops · CRM ops
System architecture and integration boundaries
Data models, service boundaries, queues, webhooks, and third-party integrations designed as one topology.
PostgreSQL · BullMQ · webhooks
Full-stack application engineering
Dashboards, admin surfaces, and typed APIs that people work in all day.
React · Next.js · Node.js · TypeScript
Payments and financial workflows
Checkout, webhooks, entitlements, payouts, and reconciliation built to survive retries.
Authorize.Net · PostgreSQL · Redis
Data modeling and PostgreSQL systems
Schemas written as migrations, row-level security, money in integer cents.
PostgreSQL · Supabase · SQL
Applied AI systems
LLM features shipped inside real products: versioned prompts, model routing, usage caps, and streaming.
OpenAI API · SSE streaming · versioned prompts · model routing
Business systems and integrations
Salesforce and CRM architecture, email infrastructure, market data, and the automation between them.
Salesforce · Resend · protobuf over WSS
Deployment, operations, and reliability
Deploys, monitoring, incident response, and the runbooks that follow.
Vercel · Railway · Docker · Sentry
Need an engineer who can own the messy parts?
I'm looking for software, full-stack, and product engineering roles where I can build reliable systems and keep growing, including applied AI and forward-deployed work. I bring the domain context, architect the system, build it, deploy it, and take responsibility for what ships.