Sr. Software Engineer
Share
Job Location:
Monthly Salary:
Posted on:
3 hours ago
Vacancies:
1 Vacancy
Job Summary
About Mission Inbox
Mission Inbox is building the infrastructure layer for outbound email at scale. 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 move between backend systems internal tooling and customer-facing product work and who enjoys shipping improvements that directly impact reliability deliverability and revenue.
You will collaborate closely with engineering leadership and senior builders to ship production work quickly improve system clarity and raise the bar on operations.
What youll work on
You will support work across the full surface area of the company including:
- Core platform APIs (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 handoff to Stripe-style billing flows).
- Production operations: deployments environment configuration observability and make it hard to break prod.
Responsibilities
- Own projects end-to-end: design implementation rollout monitoring iteration.
- Build and maintain APIs and services (TypeScript/NestJS plus Python/Django where needed).
- Contribute to the frontend when needed (React/TypeScript) to ship complete features.
- Debug production issues across code databases and infrastructure layers.
- Improve reliability and developer velocity through better tooling automation and documentation.
- Collaborate asynchronously as a remote-first teammate: clear written updates tight handoffs and predictable execution.
What were looking for
- 5 years of professional software engineering experience (or equivalent).
- Strong backend fundamentals: API design databases (Postgres) 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.
Nice to have (very relevant here)
- Experience with email systems (SMTP concepts deliverability bounce/complaint patterns).
- Experience with event-driven systems and high-throughput workloads.
- Familiarity with Docker/Kubernetes and cloud infrastructure patterns (DigitalOcean is a plus).
- Experience with Stripe or usage-based billing systems.
Remote working expectations
- This is a fully remote role.
- You can work autonomously communicate clearly in writing and maintain momentum without constant meetings.
- Schedule is EST 9am to to 4pm monday to friday.
- $40k per year salary to start
Key Skills
- Spring
- .NET
- C/C++
- Go
- React
- OOP
- C#
- Data Structures
- JavaScript
- Software Development
- Java
- Distributed Systems
