TL;DR

Senior Fullstack Engineer (Ecommerce): Building and maintaining core billing, pricing, and access systems for a high-growth marketing automation platform with an accent on backend scalability and performant frontend integration. Focus on designing robust microservices, influencing technical architecture, and solving complex challenges in a data-driven, customer-focused environment.

Location: Hybrid in Vilnius or Kaunas, Lithuania.

Salary: From 6,500 EUR/month.

Company

Omnisend is a customer-centric, product-focused company providing an all-in-one email and SMS marketing automation platform that empowers e-commerce brands to scale efficiently.

What you will do

  • Design and develop scalable, high-load features and systems.
  • Contribute significantly to product development strategy and technical decision-making.
  • Solve complex technical challenges to ensure seamless system functionality and high performance.
  • Maintain system reliability through effective monitoring, logging, and alerting.
  • Collaborate with product and engineering peers to deliver impactful product outcomes.
  • Share best practices and mentor team members to maintain high engineering standards.

Requirements

  • 5+ years of hands-on experience in implementing and maintaining scalable, high-load systems.
  • Proficiency in Go or another backend language with a willingness to learn Go.
  • Comprehensive knowledge of modern frontend frameworks like React or Angular.
  • Experience with server-side logic and API interactions using Node.js or Go.
  • Strong background in database management, specifically with MongoDB.
  • Working experience with cloud providers, specifically Google Cloud Services.

Nice to have

  • Deep understanding of system design, architecture, and microservices best practices.
  • Experience with real-time distributed messaging tools and event-based architecture.
  • Proficiency in writing comprehensive unit and integration tests.

Culture & Benefits

  • Flexible working hours with hybrid work possibilities.
  • Unlimited learning budget for professional development.
  • Private health insurance and unlimited access to psychotherapy.
  • Quarterly salary reviews and workstation budget.
  • High-performing environment with over 70% senior colleagues.
  • Engagement through workations and team-led social events.