Email Deliverability Engineer at Salesforge · Remote only · 2 - 15 years · Raised funding · Remote only · Posted 12 Oct 2026
Salesforge builds cold email infrastructure: Salesforge, Mailforge, Infraforge, Primeforge and Warmforge. We're hiring an Email Deliverability Engineer to own deliverability across the whole product suite.
What you'll do
- Own all deliverability topics end to end: inbox placement, sender reputation, bounces, blocks and spam folder issues
- Manage our sending IPs: pools, warmup, rotation, reputation monitoring and blocklist remediation
- Run and tune our mail server stack (Postfix, Exim, Dovecot) on Linux
- Investigate client accounts with deliverability problems, find root causes and drive fixes with the customer and our support team
- Configure and audit email authentication: SPF, DKIM, DMARC, rDNS, MX
- Monitor mailbox provider signals (Google Postmaster Tools, Microsoft SNDS, feedback loops) and react before issues reach customers
- Work with backend engineers on tooling, alerting and automation for deliverability
What we're looking for
- 2+ years hands-on with email infrastructure or deliverability
- Strong Dovecot experience (must have), plus Postfix and/or Exim
- Deep understanding of SMTP, DNS and email authentication
- Comfortable on Linux servers: reading mail logs, debugging delivery, scripting
- Experience with IP warmup, blocklist delisting and reputation management
- Investigative mindset: you enjoy digging through logs and headers to find why mail isn't landing
Nice to have
- Background at an ESP or cold email / sales engagement platform
- Experience with PowerMTA, KumoMTA or similar MTAs
- Python, Go or Bash for automation
Why join
- Fully remote, with at least 4 hours overlap with GMT+3
- Own a business-critical area across five products
- Small, fast team working directly with the CTO
Shubham Vishwakarma
Full Stack Developer - Averlon
About Salesforge
About
Salesforge is building the operating system for modern outbound sales.
Instead of companies stitching together dozens of disconnected tools for prospecting, email infrastructure, deliverability, outreach, LinkedIn, AI and reply management, we're building the entire stack ourselves — as one connected ecosystem.
The Forge Stack covers the complete journey from identifying a potential customer to booking a meeting:
Leadsforge is our AI-powered prospecting engine, searching across hundreds of millions of contacts to discover, enrich and qualify the right people and companies.
Mailforge provides distributed email infrastructure at scale, while Infraforge gives sophisticated senders their own private infrastructure and dedicated IPs.
Primeforge provisions and manages Google Workspace and Microsoft 365 mailboxes at scale.
Warmforge is our deliverability layer — warming mailboxes, monitoring sender reputation, testing inbox placement and helping keep outbound infrastructure healthy.
Salesforge is the command center where everything comes together. Teams build sophisticated multichannel sequences across email and LinkedIn, personalize outreach with AI, manage thousands of senders, handle conversations and turn replies into pipeline.
And on top of the entire stack sits Agent Frank, our autonomous AI SDR. Frank can find prospects, research them, create personalized outreach, follow up, manage conversations and work toward booking meetings — using the infrastructure and products underneath him.
We're not building another SaaS dashboard.
We're building a deeply interconnected system spanning large-scale email infrastructure, distributed systems, data enrichment, search, deliverability, automation, multichannel communication and autonomous AI agents.
For engineers, that means working on problems where software interacts with millions of real-world entities, external providers and constantly changing systems — and where reliability, scale and speed actually matter.
If you want to build products where AI meets serious infrastructure, and see what you build used directly to generate revenue for companies around the world, Salesforge is a pretty exciting place to do it.
Tech stack
Go Programming (Golang)
PostgreSQL
Amazon Web Services (AWS)
KubernetesCompany video
Candid answers by the company
Fully Remote
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Salesforge builds cold email infrastructure that gives senders the domains, mailboxes, dedicated IPs and warmup they need to land in the inbox. We're hiring a Product Manager to own the roadmap for our cold email products.
What you'll do
- Own the roadmap for our cold email products, from discovery to launch
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- Small, fast team working directly with the CTO
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Follow CutshortShubham Vishwakarma
Full Stack Developer - Averlon