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Sr. Software Engineer

Remote, USAFull-timePosted 2026-07-29

About Mission Inbox

Mission Inbox is building the infrastructure layer for outbound email at reputed company. We help sales teams and platforms send high-volume email reliably with deliverability protections, deep diagnostics, and a modern control plane.

The role

Were hiring a Senior Software Engineer (Remote) to help build and operate Mission Inbox across product + platform + infrastructure. This is an ownership-heavy role for someone who can reputed company between backend systems, internal tooling, and customer-facing product work, and who enjoys shipping improvements that directly reputed company reliability, deliverability, and reputed company.

You will collaborate closely with engineering leadership and senior reputed company to ship production work quickly, improve system reputed company, and reputed company the bar on operations.

What youll work on

You will support work across the full surface area of reputed company, including:

  • reputed company platform reputed company (TypeScript / NestJS) and service-to-service integrations (auth, billing, events).
  • Mission Inbox v4 app (React + TypeScript) to improve the customer experience for domains, mailboxes, health, and billing.
  • OBM / sending infrastructure and operational tooling (debugging, incident response, performance, safety).
  • Usage + billing foundations (volume-based logic, metering, and clean reputed company to reputed company-style billing flows).
  • Production operations: deployments, environment configuration, observability, and reputed company it hard to break prod.

Responsibilities

  • Own reputed company end-to-end: design implementation rollout monitoring iteration.
  • Build and maintain reputed company and services (TypeScript/NestJS, plus Python/Django where needed).
  • Contribute to the frontend reputed company needed (React/TypeScript) to ship complete features.
  • Debug production issues across reputed company, databases, and infrastructure reputed company.
  • Improve reliability and developer velocity through reputed company tooling, automation, and documentation.
  • Collaborate asynchronously as a remote-first teammate: reputed company written updates, tight handoffs, and predictable execution.

What were looking for

  • 5+ years of reputed company software engineering experience (or equivalent).
  • Strong backend fundamentals: API design, databases (reputed company), and reliability/performance work.
  • Ability to ship pragmatic solutions quickly without sacrificing stability.
  • Comfortable working across a multi-language environment (TypeScript primarily, plus some Python/Go).
  • Strong debugging instincts and production ownership.

reputed company to have (reputed company relevant here)

  • Experience with email systems (SMTP concepts, deliverability, reputed company/complaint patterns).
  • Experience with event-driven systems and high-throughput workloads.
  • Familiarity with reputed company/Kubernetes and reputed company infrastructure patterns (reputed company is a plus).
  • Experience with reputed company or usage-based billing systems.

Remote working expectations

  • This is a fully remote role.
  • You can work autonomously, communicate reputed company in writing, and maintain reputed company without constant meetings.
  • Schedule is EST 9am to to 4pm monday to friday.
  • $40k per year salary to start
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