Omnisend7mo ago

Senior Software Engineer, Message Delivery

Lithuania·VilniusFull timesenior

Software EngineerSoftware Engineering

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Quick Summary

Overview

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.

Technical Tools

gcpgoab-testingcustomer-successecommerce

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.

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

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

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

Gross salary starting point from 6500 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

Senior colleagues (over 70%) enable us to have a high-performing, productive environment where your growth will accelerate

Flexible working hours and remote work possibilities

Private health insurance

Unlimited access to psychotherapy

Workstation budget

Personalized work anniversary gifts, such as house cleaning, spa treatments, international flights etc.

Attractive workations and team-led team-building events

Location & Eligibility

Where is the job

Vilnius, Lithuania

Hybrid — some on-site time required

Who can apply

Listed under

Lithuania

Listing Details

Posted: January 14, 2026
First seen: March 26, 2026
Last seen: July 8, 2026

Posting Health

Days active: 163
Repost count: 0
Trust Level: 33%
Scored at: September 6, 2026

Signal breakdown

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Apply for this position

Omnisend

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Omnisend is an ecommerce-tailored email & SMS marketing automation platform that helps businesses to increase their sales by converting their visitors and retaining their customers.

Employees

350

Founded

2014

Domain

Jobs

External application · ~5 min on Omnisend's site

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