Senior Software Engineer, Message Delivery

Working at Omnisend is... kind of boring. Not the soul-crushing kind of boring — more like the “no drama, no chaos, just smart people doing great work” kind. The kind that lets you focus on what matters, without pointless meetings, micromanagement, or bureaucracy. We’re data-driven. We test, we iterate, we improve. Gut feelings don’t drive decisions — insights do. We trust each other. We’re transparent, give real feedback, and actually listen. No egos, no hand-holding — just a team of experienced professionals moving fast, adapting easily, and delivering impact. Omnisend is customer-funded and customer-driven. Our work is rooted in solving real problems that help ecommerce brands grow. No empty promises — we bring in results. And yes, we have fun. But the grown-up kind — workations, team gatherings, the occasional party. No forced fun, no awkward icebreakers. Just genuine moments with a team that actually enjoys working together. The Message Delivery team is the backbone of Omnisend’s multichannel communication stack — ensuring that millions of marketing messages reliably reach inboxes, phones, and browsers every day. We’re responsible for the reliable, fast, and compliant delivery of email, SMS, and push notifications. Our scope includes: Managing message sending infrastructure; Enabling message rendering and personalization across channels; Powering message tracking, analytics, and logs for customers and support; Collaborating with Product, Support, and Customer Success to deliver high-quality CX We are looking for a Senior Full-stack Engineer with a preference for backend development. People that are proactive, product-minded and enthusiastic about crafting the impactful software product for our customers find a best fit at Omnisend.

What you’ll do @Omnisend

• Contribute significantly to product development decisions

• Design, develop, and test features

• Resolve technical challenges for seamless system functionality and optimal performance

• Maintain features with effective monitoring, logging, and alerting

• Share best practices with team members

We expect that you’ll bring

• Hands-on experience (5+ years) implementing and maintaining scalable, highly available, high load systems

• Customer centricity

• Ideally, experience with Golang or alternatively proficiency in any backend programming language with the willingness to learn Golang

• Familiarity with modern software build pipelines and tools

• Proficiency in any database

• Experience with real time distributed messaging tools, like NSQ, Pub/Sub

• Working experience with any cloud provider (at Omnisend we use Google Cloud Services)

• Experience with event based architecture

How we work and what we value

• Company-wide OKR

• Empowered product teams that solve customer and business problems

• Objective-based planning and experimentation-driven delivery

• Product-led growth

• We look at product metrics daily, we speak to our customers and do it often

• Outcomes and bringing value to our customers over outputs and feature factories

• Ship to learn. Experimentation to validate hypotheses and assumptions

• Truly embracing data-driven decisions

What we offer in return

• Gross salary starting point from 6000 EUR/month based on experience

• Quarterly salary reviews

• An unlimited learning budget for self-improvement complying with the best interest of Omnisend

• Working methods and best practices inspired by the best tech companies in Silicon Valley

• Over 80% senior colleagues in Product - and over half company-wide - to accelerate your growth

• Flexible working hours

• Hybrid work (in Vilnius, Kaunas, Charleston): three days a week in the office with your team, two from home. Fully remote if you’re based elsewhere

• Possibility to work from anywhere in the world

• Private health insurance

• Unlimited access to psychotherapy

• Workstation budget

• Personalized work anniversary gifts (house cleaning, spa treatments, international flights etc.)

• Annual company trip abroad, company gatherings twice a year, team-led teambuildings

• Additional days off for KASP and Rifleman’s Union members

• Inclusive family-related time-off policy.

Omnisend is an email and SMS marketing platform built for ecommerce brands. With one-click integration to major ecommerce platforms, intuitive automation, and powerful email templates, we make sophisticated marketing effortless — no learning curve required. Award-winning 24/7/365 customer support? Check. A platform trusted by growing brands and seasoned pros alike? Absolutely. The idea that “great marketing needs to be expensive”? Our 150,000+ customers prove that wrong every day.