Audit Backend Security
Backend security review and hardening for authentication, authorization, tokens, sessions, secrets, validation, injection, payments, uploads, webhooks, data exposure, rate limits, and deployment configuration. Use when asked to audit, security-review, harden, threat-check, or inspect backend code for vulnerabilities across Express, NestJS, Django, Rails, Go, and other stacks.
Integrate Easypaisa
Design, implement, review, and troubleshoot secure Easypaisa merchant payment integrations for Pakistani websites, mobile apps, and commerce platforms. Covers Easypaisa Mobile Account and OTC flows, approved hosted or direct integration methods, callbacks/postbacks, transaction verification, reversals, settlement, merchant reporting, plugins, reconciliation, onboarding, and production rollout. Us…
Optimize Database
Perform complete database health, correctness, performance, reliability, and scalability audits across SQL, NoSQL, key-value, cache, search, and managed database systems. Detects the existing database and query layer, then checks indexes, query plans, schemas, constraints, relations, transactions, locks, pagination, pooling, caching, migrations, backups, observability, security, retention, replic…
Integrate Stripe
Design, implement, review, and troubleshoot secure Stripe integrations for one-time payments, Checkout, Payment Element, subscriptions, invoices, saved payment methods, refunds, disputes, webhooks, customer management, Stripe Tax, and Connect platforms or marketplaces. Use when adding Stripe to a web or mobile backend, building SaaS billing, accepting payments, creating connected accounts, or pre…
Integrate 1bill
Design, implement, review, and troubleshoot Pakistan 1LINK 1BILL integrations for bill inquiry, bill payment, fixed invoice or voucher collections, variable or top-up payments, credit-card bill payments, packages, payment-status inquiry, voids, PSID or consumer-number flows, reconciliation, and certification. Use when a bank, fintech, government entity, educational institution, utility, biller, o…
Improve Backend Code
>-
Architect Backend
Design, review, organize, and evolve scalable, secure, maintainable backend systems across any language, framework, runtime, database, API style, deployment model, or architecture. Detects whether a backend already exists and produces a safe improvement path before changing it; otherwise designs a new backend from scratch. Use when planning backend architecture, reviewing an existing system, reor…
Screenshot To Code
Recreate websites, application screens, components, dashboards, landing pages, and responsive interfaces from attached screenshots or visual references as accurate, maintainable frontend code. Use when implementing a supplied screenshot, matching an existing UI image, converting mockups into code, rebuilding multiple screens, or correcting a coded page whose rendering differs from a reference. In…
Integrate Jazzcash
Design, implement, review, migrate, and troubleshoot secure JazzCash merchant payment integrations for Pakistani websites, apps, and commerce platforms. Cover HTTP POST redirection, approved APIs or hosted checkout, JazzCash Mobile Wallet, voucher payments, cards when enabled, secure hashes, callbacks, status checks, refunds, settlement, reconciliation, onboarding, testing, and production rollout…