Software Engineer Job at TFECTA - Digital Innovations, San Francisco, CA

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  • TFECTA - Digital Innovations
  • San Francisco, CA

Job Description

Job Title

Software Engineer – Platform & Systems

Job Description

CrossTerra is building the infrastructure to power seamless cross-border commerce—fulfillment, localization, payments, and marketplace integrations that work across borders and systems. Our stack spans APIs, Lambdas, multi-tenant frontends, and cloud-native infrastructure. Your job is to help us scale it the right way.

We're looking for a senior engineer who can execute at a high level within a systems-oriented environment. You’ll bring clarity, structure, and repeatability to projects. You'll work closely with the CTO to turn a scalable vision into reality through clean code, sound architecture, and great tooling.

This is a hands-on role. You'll be working in a modern polyglot stack with opportunities to shape patterns, ship features, and write infrastructure code. We expect engineers to make smart use of AI to move faster and maintain quality.

What You’ll Do

  • Implement and evolve standards across Python Lambdas, TypeScript frontends, Terraform modules, and container infrastructure—adhering to an emerging set of platform defaults.
  • Refactor and abstract: take complex logic or brittle services and turn them into clean interfaces others can build on.
  • Own key workflows such as CI/CD pipelines, observability layers, dev containers, and local development tooling.
  • Contribute to new services: help stand up new event-driven Lambdas and APIs tied to logistics, customs, payments, and catalog sync.
  • Leverage AI tools productively: use Cursor, Codex, ChatGPT, and similar tools to accelerate coding, documentation, test-writing, and refactors.
  • Collaborate cross-functionally with product and other engineers to deliver robust, well-tested features on clear timelines.
  • Write documentation that scales — from README guides to design notes that explain how and why a system works.

Our Stack

  • APIs & Lambdas: Python 3.11 (FastAPI, SQLAlchemy, AWS Lambda, EventBridge, Poetry)
  • Frontends: Next.js (App Router, SSR, Tailwind, Ant Design)
  • Infrastructure: Terraform, ECS/Fargate, Docker, RDS, S3, Secrets Manager, EKS
  • Dev Tooling: DevContainers, GitHub Actions
  • Data & Feeds: PostgreSQL, Elasticsearch (IK/Nori), Shopify, DeepL
  • Observability: OpenTelemetry, CloudWatch, Grafana
  • Process: PR-driven, structured onboarding, docs-first culture

Restrictions

  • Telecommuting is OK
  • Agencies are OK

Requirements

You might be a fit if you:

  • Have 7+ years of experience building backend systems and infrastructure in fast-paced environments.
  • Write clean, maintainable Python and TypeScript—and know how to make that work in a Dockerized, cloud-native environment.
  • Understand how to ship features without accumulating debt, and how to pay it down when needed.
  • Have strong instincts for system boundaries, testability, and deployment safety.
  • Know how to use AI tools to speed up development and eliminate repetition without compromising clarity.
  • Communicate clearly in PRs, docs, and Slack—and default to transparency.
  • Are energized by shipping real systems, not just debating architecture.

Bonus points for:

  • Experience with commerce, logistics, or marketplace platforms.
  • Familiarity with Alibaba Cloud, DevOps pipelines, or deploying within mainland China.
  • Contributions to shared tooling, infra modules, or open source libraries.
  • Building systems that support multi-market, multi-language, or multi-tenant deployments.

About the Company

CrossTerra is an early-stage company building the infrastructure to power global commerce. We help merchants scale across borders by making localization, fulfillment, and payments seamless and interoperable. Our goal is to make cross-border growth feel like local growth—without the usual friction.

Why This Role Matters

You’ll be a key executor in making our growing stack scalable, maintainable, and understandable by others. This is a rare opportunity to join a platform early and help operationalize good ideas into good defaults. You’ll have a clear strategy, thoughtful leadership, and the autonomy to execute at a high level with real impact.

Contact Info

  • Contact : Winton Welsh
  • E-mail contact :  hiring@crossterra.com
  • Web

Job Tags

Full time, Local area, Remote work,

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