Senior Software Engineer, Message Delivery
Location: Vilnius, Lithuania / Kaunas, Lithuania · Category: Engineering & Development · Seniority: Senior · Posted: September 23, 2026 · Verified: Sep 23, 2026
Role Overview & Description
Track team expansion and market signals for Omnisend
Polaris7 monitors open roles, strategic market movements, and M&A developments in real time. Get automated intelligence briefings on Omnisend and benchmark against direct competitors.
Omnisend
omnisend.comEcommerce marketing automation for email, SMS and push.
Unlock full company profile, competitors & live market signals for Omnisend
Similar Positions in DACH
Related roles across advertising, media, and data
This Senior Software Engineer I role on the Email team builds and maintains the core infrastructure for delivering billions of personalized emails monthly, including a highly parallelized sending platform, REST APIs, and dashboards. Responsibilities include developing new features, improving performance, and guiding architectural decisions. Requires 5+ years of full-stack experience, strong technical leadership, and experience with Ruby, Go, TypeScript, MongoDB, or Postgres.
This Senior Software Engineer role builds and scales Reddit's distributed messaging and streaming infrastructure handling over 50 million messages per second. The engineer will own produce and consume infrastructure, refine technical strategy, and collaborate with ML/AI/Search teams, requiring 5+ years of experience with internet-scale software and proficiency in Go, Python, C++, or Java with Kafka and Kubernetes.
This backend engineer owns a core part of Ramp's communications platform, handling transactional messages across email, SMS, push, Slack, Teams, and WhatsApp. The role involves building delivery workflows that are idempotent and reliable, and creating communication preferences and controls. Requires experience with production backend systems and a focus on reliability and correctness in high-volume distributed systems.
This role designs and oversees the deployment of email and SMS messaging solutions for enterprise customers, ensuring seamless integration and scalability. It involves architecting messaging workflows, collaborating with engineering teams, and optimizing deliverability and performance.
More Positions at Omnisend
3 more open roles
Oversees email and SMS deliverability and compliance, ensuring high inbox placement and regulatory adherence. Focuses on cross-channel optimization and risk management to maintain sender reputation and legal compliance.
Manages customer accounts and provides support for clients in South America, focusing on satisfaction and retention in the SMB segment. Requires regional market knowledge and language skills.
Manages customer accounts and provides support to ensure satisfaction and retention for SMB clients. Focuses on building relationships and driving value through proactive account management.
