Deliverability Specialist

Role Overview
We are looking for a Deliverability Specialist to own and optimize email deliverability across our high-volume newsletter portfolio. This is a highly technical, hands-on role where you will be responsible for ensuring millions of emails reach subscribers' inboxes every day.
You will work closely with the Head of Project, Production Manager, and Marketing team to build, maintain, and continuously improve our sending infrastructure, authentication, reputation, and inbox placement strategy.
Key Responsibilities
Own inbox placement, sender reputation, and deliverability performance across all domains, IPs, and ESPs
Monitor sender reputation across major mailbox providers
Conduct seed testing and inbox placement analysis
Investigate and resolve deliverability incidents
Manage SPF, DKIM, DMARC, and BIMI
Plan IP and domain warming strategies
Maintain Google Postmaster Tools, Microsoft SNDS, and feedback loops
Design and optimize multi-ESP infrastructure
Lead ESP migrations
Optimize cold audience deliverability and list hygiene
Advise marketers on deliverability best practices
Build dashboards, alerts, and reporting

Requirements

Must Have
Agency-side deliverability experience managing multiple client projects with tailored strategies for different audiences, sending infrastructures, and deliverability challenges.
OR experience as a Deliverability Manager or Email Marketer within gambling, casino, affiliate, or similarly high-volume performance marketing environments.
Experience managing 200,000–300,000 email sends per day on a single project (not aggregated across multiple clients).
Strong experience building audience segments, automations, lifecycle journeys, and analyzing subscriber behavior.
Ability to diagnose and resolve sender reputation issues, inbox placement problems, and declining open rates.
Creative and non-linear problem-solving skills, with the ability to test multiple hypotheses and identify unconventional solutions.
Excellent English communication skills (C1+).

Nice to Have

Recent experience (within the last 12 months) managing Yahoo deliverability at volumes exceeding 50,000 emails per day.
Who We're Looking For
Ownership mindset
Commercial thinking
Strong stakeholder communication
Thrives in fast-paced environments
Attention to detail
Continuous learner

What We Offer

Professional Growth
International environment
Career development
Learning resources
High-performing team
Modern tools

Benefits

Competitive salary
Paid vacation
Paid sick leave
Work-life balance
Paid English classes
Multisport card
Team events
Working Environment
Remote or hybrid
Modern Warsaw office
Office perks
Supportive team
Comfortable workspace
We look forward to meeting you!