MailerLite seeks a Customer Support Specialist to investigate and resolve complex technical customer issues, collaborate with Technical Support and Engineering, improve self-serve resources, and work alongside AI support. Role requires 2+ years of B2B SaaS live chat and email support experience, fluency in English and Spanish, and familiarity with tools/tech like Intercom, Slack, DNS, API, HTML, WordPress and e-commerce. Remote-first, shift-based covering EMEA or Asia-Pacific hours. Salary stated: 30,000–37,000 USD/year.