About Coretech3

Built for dependable Amazon marketplace operations

We pair deep SP-API and Advertising API experience with pragmatic cloud engineering—so your team ships automation that survives real-world rate limits, edge cases, and audits.

Since 2020

Amazon automation engineering

US + India

Global stakeholder coverage

End-to-end

Discovery through production ops

Amazon marketplace automation

SP-API

Ads API

Our mission

Engineering partners, not one-off vendors

Sellers and agencies shouldn't gamble on fragile scripts or opaque vendors. Since 2020 we've aligned roadmaps around measurable outcomes—inventory truth, reconciliation you can defend, dashboards operators trust, and releases that roll forward safely.

We work as an extension of your team: direct engineers on the thread, operational rigor baked in from day one, and delivery that spans US stakeholder hours with India engineering depth.

How we work

What sets our engagements apart

Direct engineers

Senior engineers on the thread from discovery through production—no revolving cast of juniors or account managers as buffers.

Operational rigor

Quotas, backoff, alerting, backups, and reproducible IaC—automation designed to survive peak season and audits.

Global delivery

US stakeholder coverage with India engineering depth—responsive across time zones without sacrificing code quality.

Capabilities

What we build & operate

SP-API ingestion, Advertising API pipelines, and the cloud infrastructure to run them reliably—scoped to what you actually need next.

Orders & inventory sync
Catalog & feeds
Finances & reports
Advertising API pipelines
Laravel / Node backends
React dashboards
Postgres data models
Queues & workers
Observability stacks
Hardened AWS patterns
Agency multi-tenant rollouts
GDPR-aware integrations
Who we support

Teams we partner with across marketplaces

Private-label sellers
Amazon agencies
D2C & retail brands
Aggregators & ops teams
Advertising partners
Marketplace SaaS

Ready to talk about your Amazon automation roadmap?

Discuss SP-API integrations, advertising tooling, or bespoke marketplace automation with engineers who understand production constraints.